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npa-nxx	State	Company	FRN	RMD	OCN	Rate Center	CLLI	Assign Date	Misc
231-213	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	TRAVERSECY	TRCYMIMNDS1	03/26/2015	Prefix Type: RBOC Switch Name: TRAVERSE CITY DS1 Switch Type: DMS100 LATA: Grand Rapids MI (348) Tandem: TRCYMIMN20T 🔧 Explore Switch(CLLI: TRCYMIMNDS1))
231-213 is split into 1,000-number blocks - detail below
231-213-0XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	TRAVERSECY	TRCYMIMNDS1	03/26/2015	Prefix Type: RBOC Switch Name: TRAVERSE CITY DS1 Switch Type: DMS100 LATA: Grand Rapids MI (348) Tandem: TRCYMIMN20T 🔧 Explore Switch(CLLI: TRCYMIMNDS1))
231-213-1XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	TRAVERSECY	TRCYMIMNDS1	03/26/2015	Prefix Type: RBOC Switch Name: TRAVERSE CITY DS1 Switch Type: DMS100 LATA: Grand Rapids MI (348) Tandem: TRCYMIMN20T 🔧 Explore Switch(CLLI: TRCYMIMNDS1))
231-213-2XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	TRAVERSECY	TRCYMIMNDS1	03/26/2015	Prefix Type: RBOC Switch Name: TRAVERSE CITY DS1 Switch Type: DMS100 LATA: Grand Rapids MI (348) Tandem: TRCYMIMN20T 🔧 Explore Switch(CLLI: TRCYMIMNDS1))
231-213-3XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	TRAVERSECY	TRCYMIMNDS1	03/26/2015	Prefix Type: RBOC Switch Name: TRAVERSE CITY DS1 Switch Type: DMS100 LATA: Grand Rapids MI (348) Tandem: TRCYMIMN20T 🔧 Explore Switch(CLLI: TRCYMIMNDS1))
231-213-4XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	TRAVERSECY	TRCYMIMNDS1	03/26/2015	Prefix Type: RBOC Switch Name: TRAVERSE CITY DS1 Switch Type: DMS100 LATA: Grand Rapids MI (348) Tandem: TRCYMIMN20T 🔧 Explore Switch(CLLI: TRCYMIMNDS1))
231-213-5XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	TRAVERSECY	TRCYMIMNDS1	03/26/2015	Prefix Type: RBOC Switch Name: TRAVERSE CITY DS1 Switch Type: DMS100 LATA: Grand Rapids MI (348) Tandem: TRCYMIMN20T 🔧 Explore Switch(CLLI: TRCYMIMNDS1))
231-213-6XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	TRAVERSECY	TRCYMIMNDS1	03/26/2015	Prefix Type: RBOC Switch Name: TRAVERSE CITY DS1 Switch Type: DMS100 LATA: Grand Rapids MI (348) Tandem: TRCYMIMN20T 🔧 Explore Switch(CLLI: TRCYMIMNDS1))
231-213-7XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	TRAVERSECY	TRCYMIMNDS1	03/26/2015	Prefix Type: RBOC Switch Name: TRAVERSE CITY DS1 Switch Type: DMS100 LATA: Grand Rapids MI (348) Tandem: TRCYMIMN20T 🔧 Explore Switch(CLLI: TRCYMIMNDS1))
231-213-8XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	TRAVERSECY	TRCYMIMNDS1	03/26/2015	Prefix Type: RBOC Switch Name: TRAVERSE CITY DS1 Switch Type: DMS100 LATA: Grand Rapids MI (348) Tandem: TRCYMIMN20T 🔧 Explore Switch(CLLI: TRCYMIMNDS1))
231-213-9XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	TRAVERSECY	TRCYMIMNDS1	03/26/2015	Prefix Type: RBOC Switch Name: TRAVERSE CITY DS1 Switch Type: DMS100 LATA: Grand Rapids MI (348) Tandem: TRCYMIMN20T 🔧 Explore Switch(CLLI: TRCYMIMNDS1))
231-237	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	CHARLEVOIX	CHVXMIMNRS0	00/00/0000	Prefix Type: RBOC Switch Name: CHARLEVOIX RS0 Switch Type: N/A LATA: Grand Rapids MI (348) Tandem: TRCYMIMN20T 🔧 Explore Switch(CLLI: CHVXMIMNRS0))
231-237 is split into 1,000-number blocks - detail below
231-237-0XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	CHARLEVOIX	CHVXMIMNRS0	N/A	Prefix Type: RBOC Switch Name: CHARLEVOIX RS0 Switch Type: N/A LATA: Grand Rapids MI (348) Tandem: TRCYMIMN20T 🔧 Explore Switch(CLLI: CHVXMIMNRS0))
231-237-1XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	CHARLEVOIX	CHVXMIMNRS0	N/A	Prefix Type: RBOC Switch Name: CHARLEVOIX RS0 Switch Type: N/A LATA: Grand Rapids MI (348) Tandem: TRCYMIMN20T 🔧 Explore Switch(CLLI: CHVXMIMNRS0))
231-237-9XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	CHARLEVOIX	CHVXMIMNRS0	N/A	Prefix Type: RBOC Switch Name: CHARLEVOIX RS0 Switch Type: N/A LATA: Grand Rapids MI (348) Tandem: TRCYMIMN20T 🔧 Explore Switch(CLLI: CHVXMIMNRS0))
231-238	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	INDIAN RIV	INRVMIMNRSA	00/00/0000	Prefix Type: RBOC Switch Name: INDIAN RIVER Switch Type: N/A LATA: Grand Rapids MI (348) Tandem: TRCYMIMN20T 🔧 Explore Switch(CLLI: INRVMIMNRSA))
231-238 is split into 1,000-number blocks - detail below
231-238-0XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	INDIAN RIV	INRVMIMNRSA	N/A	Prefix Type: RBOC Switch Name: INDIAN RIVER Switch Type: N/A LATA: Grand Rapids MI (348) Tandem: TRCYMIMN20T 🔧 Explore Switch(CLLI: INRVMIMNRSA))
231-238-1XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	INDIAN RIV	INRVMIMNRSA	N/A	Prefix Type: RBOC Switch Name: INDIAN RIVER Switch Type: N/A LATA: Grand Rapids MI (348) Tandem: TRCYMIMN20T 🔧 Explore Switch(CLLI: INRVMIMNRSA))
231-238-4XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	INDIAN RIV	INRVMIMNRSA	N/A	Prefix Type: RBOC Switch Name: INDIAN RIVER Switch Type: N/A LATA: Grand Rapids MI (348) Tandem: TRCYMIMN20T 🔧 Explore Switch(CLLI: INRVMIMNRSA))
231-238-6XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	INDIAN RIV	INRVMIMNRSA	N/A	Prefix Type: RBOC Switch Name: INDIAN RIVER Switch Type: N/A LATA: Grand Rapids MI (348) Tandem: TRCYMIMN20T 🔧 Explore Switch(CLLI: INRVMIMNRSA))
231-238-7XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	INDIAN RIV	INRVMIMNRSA	N/A	Prefix Type: RBOC Switch Name: INDIAN RIVER Switch Type: N/A LATA: Grand Rapids MI (348) Tandem: TRCYMIMN20T 🔧 Explore Switch(CLLI: INRVMIMNRSA))
231-238-8XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	INDIAN RIV	INRVMIMNRSA	N/A	Prefix Type: RBOC Switch Name: INDIAN RIVER Switch Type: N/A LATA: Grand Rapids MI (348) Tandem: TRCYMIMN20T 🔧 Explore Switch(CLLI: INRVMIMNRSA))
231-238-9XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	INDIAN RIV	INRVMIMNRSA	N/A	Prefix Type: RBOC Switch Name: INDIAN RIVER Switch Type: N/A LATA: Grand Rapids MI (348) Tandem: TRCYMIMN20T 🔧 Explore Switch(CLLI: INRVMIMNRSA))
231-242	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	HARBOR SPG	HRSPMIMNRSA	00/00/0000	Prefix Type: RBOC Switch Name: HARBOR SPRINGS Switch Type: N/A LATA: Grand Rapids MI (348) Tandem: TRCYMIMN20T 🔧 Explore Switch(CLLI: HRSPMIMNRSA))
231-242 is split into 1,000-number blocks - detail below
231-242-0XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	HARBOR SPG	HRSPMIMNRSA	N/A	Prefix Type: RBOC Switch Name: HARBOR SPRINGS Switch Type: N/A LATA: Grand Rapids MI (348) Tandem: TRCYMIMN20T 🔧 Explore Switch(CLLI: HRSPMIMNRSA))
231-242-1XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	HARBOR SPG	HRSPMIMNRSA	N/A	Prefix Type: RBOC Switch Name: HARBOR SPRINGS Switch Type: N/A LATA: Grand Rapids MI (348) Tandem: TRCYMIMN20T 🔧 Explore Switch(CLLI: HRSPMIMNRSA))
231-256	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	LKLEELANAU	LKLLMIMNRSA	00/00/0000	Prefix Type: RBOC Switch Name: LAKE LEELANAU Switch Type: N/A LATA: Grand Rapids MI (348) Tandem: TRCYMIMN20T 🔧 Explore Switch(CLLI: LKLLMIMNRSA))
231-256 is split into 1,000-number blocks - detail below
231-256-0XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	LKLEELANAU	LKLLMIMNRSA	N/A	Prefix Type: RBOC Switch Name: LAKE LEELANAU Switch Type: N/A LATA: Grand Rapids MI (348) Tandem: TRCYMIMN20T 🔧 Explore Switch(CLLI: LKLLMIMNRSA))
231-256-2XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	LKLEELANAU	LKLLMIMNRSA	N/A	Prefix Type: RBOC Switch Name: LAKE LEELANAU Switch Type: N/A LATA: Grand Rapids MI (348) Tandem: TRCYMIMN20T 🔧 Explore Switch(CLLI: LKLLMIMNRSA))
231-256-7XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	LKLEELANAU	LKLLMIMNRSA	N/A	Prefix Type: RBOC Switch Name: LAKE LEELANAU Switch Type: N/A LATA: Grand Rapids MI (348) Tandem: TRCYMIMN20T 🔧 Explore Switch(CLLI: LKLLMIMNRSA))
231-256-8XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	LKLEELANAU	LKLLMIMNRSA	N/A	Prefix Type: RBOC Switch Name: LAKE LEELANAU Switch Type: N/A LATA: Grand Rapids MI (348) Tandem: TRCYMIMN20T 🔧 Explore Switch(CLLI: LKLLMIMNRSA))
231-256-9XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	LKLEELANAU	LKLLMIMNRSA	N/A	Prefix Type: RBOC Switch Name: LAKE LEELANAU Switch Type: N/A LATA: Grand Rapids MI (348) Tandem: TRCYMIMN20T 🔧 Explore Switch(CLLI: LKLLMIMNRSA))
231-258	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	KALKASKA	KLKSMIKKDS0	00/00/0000	Prefix Type: RBOC Switch Name: KALKASKA Switch Type: DMS10 LATA: Grand Rapids MI (348) Tandem: TRCYMIMN20T 🔧 Explore Switch(CLLI: KLKSMIKKDS0))
231-264	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	ELK RAPIDS	ELKRMIMNDS0	00/00/0000	Prefix Type: RBOC Switch Name: ELK RAPIDS Switch Type: DMS10 LATA: Grand Rapids MI (348) Tandem: TRCYMIMN20T 🔧 Explore Switch(CLLI: ELKRMIMNDS0))
231-264 is split into 1,000-number blocks - detail below
231-264-0XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	ELK RAPIDS	ELKRMIMNDS0	N/A	Prefix Type: RBOC Switch Name: ELK RAPIDS Switch Type: DMS10 LATA: Grand Rapids MI (348) Tandem: TRCYMIMN20T 🔧 Explore Switch(CLLI: ELKRMIMNDS0))
231-264-5XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	ELK RAPIDS	ELKRMIMNDS0	N/A	Prefix Type: RBOC Switch Name: ELK RAPIDS Switch Type: DMS10 LATA: Grand Rapids MI (348) Tandem: TRCYMIMN20T 🔧 Explore Switch(CLLI: ELKRMIMNDS0))
231-264-6XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	ELK RAPIDS	ELKRMIMNDS0	N/A	Prefix Type: RBOC Switch Name: ELK RAPIDS Switch Type: DMS10 LATA: Grand Rapids MI (348) Tandem: TRCYMIMN20T 🔧 Explore Switch(CLLI: ELKRMIMNDS0))
231-264-8XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	ELK RAPIDS	ELKRMIMNDS0	N/A	Prefix Type: RBOC Switch Name: ELK RAPIDS Switch Type: DMS10 LATA: Grand Rapids MI (348) Tandem: TRCYMIMN20T 🔧 Explore Switch(CLLI: ELKRMIMNDS0))
231-264-9XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	ELK RAPIDS	ELKRMIMNDS0	N/A	Prefix Type: RBOC Switch Name: ELK RAPIDS Switch Type: DMS10 LATA: Grand Rapids MI (348) Tandem: TRCYMIMN20T 🔧 Explore Switch(CLLI: ELKRMIMNDS0))
231-266	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	IRONS	IRONMIIRRS1	00/00/0000	Prefix Type: RBOC Switch Name: IRONS Switch Type: N/A LATA: Grand Rapids MI (348) Tandem: TRCYMIMN20T 🔧 Explore Switch(CLLI: IRONMIIRRS1))
231-266 is split into 1,000-number blocks - detail below
231-266-2XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	IRONS	IRONMIIRRS1	N/A	Prefix Type: RBOC Switch Name: IRONS Switch Type: N/A LATA: Grand Rapids MI (348) Tandem: TRCYMIMN20T 🔧 Explore Switch(CLLI: IRONMIIRRS1))
231-266-5XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	IRONS	IRONMIIRRS1	N/A	Prefix Type: RBOC Switch Name: IRONS Switch Type: N/A LATA: Grand Rapids MI (348) Tandem: TRCYMIMN20T 🔧 Explore Switch(CLLI: IRONMIIRRS1))
231-266-8XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	IRONS	IRONMIIRRS1	N/A	Prefix Type: RBOC Switch Name: IRONS Switch Type: N/A LATA: Grand Rapids MI (348) Tandem: TRCYMIMN20T 🔧 Explore Switch(CLLI: IRONMIIRRS1))
231-267	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	WILLIAMSBG	WLBGMIWBRSA	00/00/0000	Prefix Type: RBOC Switch Name: WILLIAMSBURG Switch Type: N/A LATA: Grand Rapids MI (348) Tandem: TRCYMIMN20T 🔧 Explore Switch(CLLI: WLBGMIWBRSA))
231-267 is split into 1,000-number blocks - detail below
231-267-5XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	WILLIAMSBG	WLBGMIWBRSA	N/A	Prefix Type: RBOC Switch Name: WILLIAMSBURG Switch Type: N/A LATA: Grand Rapids MI (348) Tandem: TRCYMIMN20T 🔧 Explore Switch(CLLI: WLBGMIWBRSA))
231-267-9XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	WILLIAMSBG	WLBGMIWBRSA	N/A	Prefix Type: RBOC Switch Name: WILLIAMSBURG Switch Type: N/A LATA: Grand Rapids MI (348) Tandem: TRCYMIMN20T 🔧 Explore Switch(CLLI: WLBGMIWBRSA))
231-276	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	INTERLOCHN	GRWNMIMNRS0	00/00/0000	Prefix Type: RBOC Switch Name: GRAWN RS0 Switch Type: N/A LATA: Grand Rapids MI (348) Tandem: TRCYMIMN20T 🔧 Explore Switch(CLLI: GRWNMIMNRS0))
231-276 is split into 1,000-number blocks - detail below
231-276-0XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	INTERLOCHN	GRWNMIMNRS0	N/A	Prefix Type: RBOC Switch Name: GRAWN RS0 Switch Type: N/A LATA: Grand Rapids MI (348) Tandem: TRCYMIMN20T 🔧 Explore Switch(CLLI: GRWNMIMNRS0))
231-276-4XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	INTERLOCHN	GRWNMIMNRS0	N/A	Prefix Type: RBOC Switch Name: GRAWN RS0 Switch Type: N/A LATA: Grand Rapids MI (348) Tandem: TRCYMIMN20T 🔧 Explore Switch(CLLI: GRWNMIMNRS0))
231-276-5XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	INTERLOCHN	GRWNMIMNRS0	N/A	Prefix Type: RBOC Switch Name: GRAWN RS0 Switch Type: N/A LATA: Grand Rapids MI (348) Tandem: TRCYMIMN20T 🔧 Explore Switch(CLLI: GRWNMIMNRS0))
231-276-6XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	INTERLOCHN	GRWNMIMNRS0	N/A	Prefix Type: RBOC Switch Name: GRAWN RS0 Switch Type: N/A LATA: Grand Rapids MI (348) Tandem: TRCYMIMN20T 🔧 Explore Switch(CLLI: GRWNMIMNRS0))
231-276-7XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	INTERLOCHN	GRWNMIMNRS0	N/A	Prefix Type: RBOC Switch Name: GRAWN RS0 Switch Type: N/A LATA: Grand Rapids MI (348) Tandem: TRCYMIMN20T 🔧 Explore Switch(CLLI: GRWNMIMNRS0))
231-276-9XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	INTERLOCHN	GRWNMIMNRS0	N/A	Prefix Type: RBOC Switch Name: GRAWN RS0 Switch Type: N/A LATA: Grand Rapids MI (348) Tandem: TRCYMIMN20T 🔧 Explore Switch(CLLI: GRWNMIMNRS0))
231-347	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	PETOSKEY	PTSKMIMNDS0	00/00/0000	Prefix Type: RBOC Switch Name: PETOSKEY Switch Type: 5ESS LATA: Grand Rapids MI (348) Tandem: TRCYMIMN20T 🔧 Explore Switch(CLLI: PTSKMIMNDS0))
231-348	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	PETOSKEY	PTSKMIMNDS0	00/00/0000	Prefix Type: RBOC Switch Name: PETOSKEY Switch Type: 5ESS LATA: Grand Rapids MI (348) Tandem: TRCYMIMN20T 🔧 Explore Switch(CLLI: PTSKMIMNDS0))
231-352	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	FRANKFORT	FRFTMIMNRSA	00/00/0000	Prefix Type: RBOC Switch Name: FRANKFORT Switch Type: N/A LATA: Grand Rapids MI (348) Tandem: TRCYMIMN20T 🔧 Explore Switch(CLLI: FRFTMIMNRSA))
231-352 is split into 1,000-number blocks - detail below
231-352-2XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	FRANKFORT	FRFTMIMNRSA	N/A	Prefix Type: RBOC Switch Name: FRANKFORT Switch Type: N/A LATA: Grand Rapids MI (348) Tandem: TRCYMIMN20T 🔧 Explore Switch(CLLI: FRFTMIMNRSA))
231-352-4XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	FRANKFORT	FRFTMIMNRSA	N/A	Prefix Type: RBOC Switch Name: FRANKFORT Switch Type: N/A LATA: Grand Rapids MI (348) Tandem: TRCYMIMN20T 🔧 Explore Switch(CLLI: FRFTMIMNRSA))
231-352-5XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	FRANKFORT	FRFTMIMNRSA	N/A	Prefix Type: RBOC Switch Name: FRANKFORT Switch Type: N/A LATA: Grand Rapids MI (348) Tandem: TRCYMIMN20T 🔧 Explore Switch(CLLI: FRFTMIMNRSA))
231-352-6XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	FRANKFORT	FRFTMIMNRSA	N/A	Prefix Type: RBOC Switch Name: FRANKFORT Switch Type: N/A LATA: Grand Rapids MI (348) Tandem: TRCYMIMN20T 🔧 Explore Switch(CLLI: FRFTMIMNRSA))
231-352-7XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	FRANKFORT	FRFTMIMNRSA	N/A	Prefix Type: RBOC Switch Name: FRANKFORT Switch Type: N/A LATA: Grand Rapids MI (348) Tandem: TRCYMIMN20T 🔧 Explore Switch(CLLI: FRFTMIMNRSA))
231-352-8XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	FRANKFORT	FRFTMIMNRSA	N/A	Prefix Type: RBOC Switch Name: FRANKFORT Switch Type: N/A LATA: Grand Rapids MI (348) Tandem: TRCYMIMN20T 🔧 Explore Switch(CLLI: FRFTMIMNRSA))
231-352-9XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	FRANKFORT	FRFTMIMNRSA	N/A	Prefix Type: RBOC Switch Name: FRANKFORT Switch Type: N/A LATA: Grand Rapids MI (348) Tandem: TRCYMIMN20T 🔧 Explore Switch(CLLI: FRFTMIMNRSA))
231-354	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	CORAL	TRFNMIMNRSA	00/00/0000	Prefix Type: RBOC Switch Name: TRUFANT Switch Type: N/A LATA: Grand Rapids MI (348) Tandem: GDRPMIBL21T 🔧 Explore Switch(CLLI: TRFNMIMNRSA))
231-354 is split into 1,000-number blocks - detail below
231-354-6XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	CORAL	TRFNMIMNRSA	N/A	Prefix Type: RBOC Switch Name: TRUFANT Switch Type: N/A LATA: Grand Rapids MI (348) Tandem: GDRPMIBL21T 🔧 Explore Switch(CLLI: TRFNMIMNRSA))
231-386	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	NORTHPORT	NPRTMIMNRSA	00/00/0000	Prefix Type: RBOC Switch Name: NORTHPORT Switch Type: N/A LATA: Grand Rapids MI (348) Tandem: TRCYMIMN20T 🔧 Explore Switch(CLLI: NPRTMIMNRSA))
231-386 is split into 1,000-number blocks - detail below
231-386-5XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	NORTHPORT	NPRTMIMNRSA	N/A	Prefix Type: RBOC Switch Name: NORTHPORT Switch Type: N/A LATA: Grand Rapids MI (348) Tandem: TRCYMIMN20T 🔧 Explore Switch(CLLI: NPRTMIMNRSA))
231-386-7XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	NORTHPORT	NPRTMIMNRSA	N/A	Prefix Type: RBOC Switch Name: NORTHPORT Switch Type: N/A LATA: Grand Rapids MI (348) Tandem: TRCYMIMN20T 🔧 Explore Switch(CLLI: NPRTMIMNRSA))
231-386-9XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	NORTHPORT	NPRTMIMNRSA	N/A	Prefix Type: RBOC Switch Name: NORTHPORT Switch Type: N/A LATA: Grand Rapids MI (348) Tandem: TRCYMIMN20T 🔧 Explore Switch(CLLI: NPRTMIMNRSA))
231-389	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	HARRIETTA	HRTAMIMNRSA	00/00/0000	Prefix Type: RBOC Switch Name: HARRIETTA Switch Type: N/A LATA: Grand Rapids MI (348) Tandem: TRCYMIMN20T 🔧 Explore Switch(CLLI: HRTAMIMNRSA))
231-389 is split into 1,000-number blocks - detail below
231-389-0XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	HARRIETTA	HRTAMIMNRSA	N/A	Prefix Type: RBOC Switch Name: HARRIETTA Switch Type: N/A LATA: Grand Rapids MI (348) Tandem: TRCYMIMN20T 🔧 Explore Switch(CLLI: HRTAMIMNRSA))
231-389-2XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	HARRIETTA	HRTAMIMNRSA	N/A	Prefix Type: RBOC Switch Name: HARRIETTA Switch Type: N/A LATA: Grand Rapids MI (348) Tandem: TRCYMIMN20T 🔧 Explore Switch(CLLI: HRTAMIMNRSA))
231-392 is split into 1,000-number blocks - detail below
231-392-0XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	TRAVERSECY	TRCYMIMNDS1	03/15/2004	Prefix Type: RBOC Switch Name: TRAVERSE CITY DS1 Switch Type: DMS100 LATA: Grand Rapids MI (348) Tandem: TRCYMIMN20T 🔧 Explore Switch(CLLI: TRCYMIMNDS1))
231-392-7XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	TRAVERSECY	TRCYMIMNDS1	02/24/2004	Prefix Type: RBOC Switch Name: TRAVERSE CITY DS1 Switch Type: DMS100 LATA: Grand Rapids MI (348) Tandem: TRCYMIMN20T 🔧 Explore Switch(CLLI: TRCYMIMNDS1))
231-392-8XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	TRAVERSECY	TRCYMIMNDS1	02/24/2004	Prefix Type: RBOC Switch Name: TRAVERSE CITY DS1 Switch Type: DMS100 LATA: Grand Rapids MI (348) Tandem: TRCYMIMN20T 🔧 Explore Switch(CLLI: TRCYMIMNDS1))
231-398	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	MANISTEE	MNSTMIMNDS0	00/00/0000	Prefix Type: RBOC Switch Name: MANISTEE Switch Type: 5ESS LATA: Grand Rapids MI (348) Tandem: TRCYMIMN20T 🔧 Explore Switch(CLLI: MNSTMIMNDS0))
231-398 is split into 1,000-number blocks - detail below
231-398-0XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	MANISTEE	MNSTMIMNDS0	N/A	Prefix Type: RBOC Switch Name: MANISTEE Switch Type: 5ESS LATA: Grand Rapids MI (348) Tandem: TRCYMIMN20T 🔧 Explore Switch(CLLI: MNSTMIMNDS0))
231-398-1XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	MANISTEE	MNSTMIMNDS0	N/A	Prefix Type: RBOC Switch Name: MANISTEE Switch Type: 5ESS LATA: Grand Rapids MI (348) Tandem: TRCYMIMN20T 🔧 Explore Switch(CLLI: MNSTMIMNDS0))
231-398-2XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	MANISTEE	MNSTMIMNDS0	N/A	Prefix Type: RBOC Switch Name: MANISTEE Switch Type: 5ESS LATA: Grand Rapids MI (348) Tandem: TRCYMIMN20T 🔧 Explore Switch(CLLI: MNSTMIMNDS0))
231-398-3XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	MANISTEE	MNSTMIMNDS0	N/A	Prefix Type: RBOC Switch Name: MANISTEE Switch Type: 5ESS LATA: Grand Rapids MI (348) Tandem: TRCYMIMN20T 🔧 Explore Switch(CLLI: MNSTMIMNDS0))
231-398-4XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	MANISTEE	MNSTMIMNDS0	N/A	Prefix Type: RBOC Switch Name: MANISTEE Switch Type: 5ESS LATA: Grand Rapids MI (348) Tandem: TRCYMIMN20T 🔧 Explore Switch(CLLI: MNSTMIMNDS0))
231-398-6XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	MANISTEE	MNSTMIMNDS0	N/A	Prefix Type: RBOC Switch Name: MANISTEE Switch Type: 5ESS LATA: Grand Rapids MI (348) Tandem: TRCYMIMN20T 🔧 Explore Switch(CLLI: MNSTMIMNDS0))
231-398-9XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	MANISTEE	MNSTMIMNDS0	N/A	Prefix Type: RBOC Switch Name: MANISTEE Switch Type: 5ESS LATA: Grand Rapids MI (348) Tandem: TRCYMIMN20T 🔧 Explore Switch(CLLI: MNSTMIMNDS0))
231-436	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	MACKINAWCY	MCCYMIMNRSA	00/00/0000	Prefix Type: RBOC Switch Name: MACKINAW CITY Switch Type: N/A LATA: Grand Rapids MI (348) Tandem: TRCYMIMN20T 🔧 Explore Switch(CLLI: MCCYMIMNRSA))
231-436 is split into 1,000-number blocks - detail below
231-436-4XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	MACKINAWCY	MCCYMIMNRSA	N/A	Prefix Type: RBOC Switch Name: MACKINAW CITY Switch Type: N/A LATA: Grand Rapids MI (348) Tandem: TRCYMIMN20T 🔧 Explore Switch(CLLI: MCCYMIMNRSA))
231-436-5XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	MACKINAWCY	MCCYMIMNRSA	N/A	Prefix Type: RBOC Switch Name: MACKINAW CITY Switch Type: N/A LATA: Grand Rapids MI (348) Tandem: TRCYMIMN20T 🔧 Explore Switch(CLLI: MCCYMIMNRSA))
231-436-7XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	MACKINAWCY	MCCYMIMNRSA	N/A	Prefix Type: RBOC Switch Name: MACKINAW CITY Switch Type: N/A LATA: Grand Rapids MI (348) Tandem: TRCYMIMN20T 🔧 Explore Switch(CLLI: MCCYMIMNRSA))
231-436-8XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	MACKINAWCY	MCCYMIMNRSA	N/A	Prefix Type: RBOC Switch Name: MACKINAW CITY Switch Type: N/A LATA: Grand Rapids MI (348) Tandem: TRCYMIMN20T 🔧 Explore Switch(CLLI: MCCYMIMNRSA))
231-436-9XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	MACKINAWCY	MCCYMIMNRSA	N/A	Prefix Type: RBOC Switch Name: MACKINAW CITY Switch Type: N/A LATA: Grand Rapids MI (348) Tandem: TRCYMIMN20T 🔧 Explore Switch(CLLI: MCCYMIMNRSA))
231-439	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	PETOSKEY	PTSKMIMNDS0	00/00/0000	Prefix Type: RBOC Switch Name: PETOSKEY Switch Type: 5ESS LATA: Grand Rapids MI (348) Tandem: TRCYMIMN20T 🔧 Explore Switch(CLLI: PTSKMIMNDS0))
231-462	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	FOUNTAIN	FONTMIMNRSA	00/00/0000	Prefix Type: RBOC Switch Name: FOUNTAIN Switch Type: N/A LATA: Grand Rapids MI (348) Tandem: TRCYMIMN20T 🔧 Explore Switch(CLLI: FONTMIMNRSA))
231-462 is split into 1,000-number blocks - detail below
231-462-3XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	FOUNTAIN	FONTMIMNRSA	N/A	Prefix Type: RBOC Switch Name: FOUNTAIN Switch Type: N/A LATA: Grand Rapids MI (348) Tandem: TRCYMIMN20T 🔧 Explore Switch(CLLI: FONTMIMNRSA))
231-462-9XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	FOUNTAIN	FONTMIMNRSA	N/A	Prefix Type: RBOC Switch Name: FOUNTAIN Switch Type: N/A LATA: Grand Rapids MI (348) Tandem: TRCYMIMN20T 🔧 Explore Switch(CLLI: FONTMIMNRSA))
231-464	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	FREESOIL	FONTMIMNRSA	00/00/0000	Prefix Type: RBOC Switch Name: FOUNTAIN Switch Type: N/A LATA: Grand Rapids MI (348) Tandem: TRCYMIMN20T 🔧 Explore Switch(CLLI: FONTMIMNRSA))
231-464 is split into 1,000-number blocks - detail below
231-464-5XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	FREESOIL	FONTMIMNRSA	N/A	Prefix Type: RBOC Switch Name: FOUNTAIN Switch Type: N/A LATA: Grand Rapids MI (348) Tandem: TRCYMIMN20T 🔧 Explore Switch(CLLI: FONTMIMNRSA))
231-487	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	PETOSKEY	PTSKMIMNDS0	00/00/0000	Prefix Type: RBOC Switch Name: PETOSKEY Switch Type: 5ESS LATA: Grand Rapids MI (348) Tandem: TRCYMIMN20T 🔧 Explore Switch(CLLI: PTSKMIMNDS0))
231-487 is split into 1,000-number blocks - detail below
231-487-0XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	PETOSKEY	PTSKMIMNDS0	N/A	Prefix Type: RBOC Switch Name: PETOSKEY Switch Type: 5ESS LATA: Grand Rapids MI (348) Tandem: TRCYMIMN20T 🔧 Explore Switch(CLLI: PTSKMIMNDS0))
231-487-1XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	PETOSKEY	PTSKMIMNDS0	N/A	Prefix Type: RBOC Switch Name: PETOSKEY Switch Type: 5ESS LATA: Grand Rapids MI (348) Tandem: TRCYMIMN20T 🔧 Explore Switch(CLLI: PTSKMIMNDS0))
231-487-3XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	PETOSKEY	PTSKMIMNDS0	N/A	Prefix Type: RBOC Switch Name: PETOSKEY Switch Type: 5ESS LATA: Grand Rapids MI (348) Tandem: TRCYMIMN20T 🔧 Explore Switch(CLLI: PTSKMIMNDS0))
231-487-4XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	PETOSKEY	PTSKMIMNDS0	N/A	Prefix Type: RBOC Switch Name: PETOSKEY Switch Type: 5ESS LATA: Grand Rapids MI (348) Tandem: TRCYMIMN20T 🔧 Explore Switch(CLLI: PTSKMIMNDS0))
231-487-5XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	PETOSKEY	PTSKMIMNDS0	N/A	Prefix Type: RBOC Switch Name: PETOSKEY Switch Type: 5ESS LATA: Grand Rapids MI (348) Tandem: TRCYMIMN20T 🔧 Explore Switch(CLLI: PTSKMIMNDS0))
231-487-7XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	PETOSKEY	PTSKMIMNDS0	N/A	Prefix Type: RBOC Switch Name: PETOSKEY Switch Type: 5ESS LATA: Grand Rapids MI (348) Tandem: TRCYMIMN20T 🔧 Explore Switch(CLLI: PTSKMIMNDS0))
231-487-9XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	PETOSKEY	PTSKMIMNDS0	N/A	Prefix Type: RBOC Switch Name: PETOSKEY Switch Type: 5ESS LATA: Grand Rapids MI (348) Tandem: TRCYMIMN20T 🔧 Explore Switch(CLLI: PTSKMIMNDS0))
231-525	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	WOLVERINE	WLVRMIMNRSA	00/00/0000	Prefix Type: RBOC Switch Name: WOLVERINE Switch Type: N/A LATA: Grand Rapids MI (348) Tandem: TRCYMIMN20T 🔧 Explore Switch(CLLI: WLVRMIMNRSA))
231-525 is split into 1,000-number blocks - detail below
231-525-6XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	WOLVERINE	WLVRMIMNRSA	N/A	Prefix Type: RBOC Switch Name: WOLVERINE Switch Type: N/A LATA: Grand Rapids MI (348) Tandem: TRCYMIMN20T 🔧 Explore Switch(CLLI: WLVRMIMNRSA))
231-525-8XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	WOLVERINE	WLVRMIMNRSA	N/A	Prefix Type: RBOC Switch Name: WOLVERINE Switch Type: N/A LATA: Grand Rapids MI (348) Tandem: TRCYMIMN20T 🔧 Explore Switch(CLLI: WLVRMIMNRSA))
231-525-9XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	WOLVERINE	WLVRMIMNRSA	N/A	Prefix Type: RBOC Switch Name: WOLVERINE Switch Type: N/A LATA: Grand Rapids MI (348) Tandem: TRCYMIMN20T 🔧 Explore Switch(CLLI: WLVRMIMNRSA))
231-526	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	HARBOR SPG	HRSPMIMNRSA	00/00/0000	Prefix Type: RBOC Switch Name: HARBOR SPRINGS Switch Type: N/A LATA: Grand Rapids MI (348) Tandem: TRCYMIMN20T 🔧 Explore Switch(CLLI: HRSPMIMNRSA))
231-527	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	BIG RAPIDS	BGRPMIMNDS0	00/00/0000	Prefix Type: RBOC Switch Name: BIG RAPIDS Switch Type: DMS100 LATA: Grand Rapids MI (348) Tandem: GDRPMIBL21T 🔧 Explore Switch(CLLI: BGRPMIMNDS0))
231-527 is split into 1,000-number blocks - detail below
231-527-0XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	BIG RAPIDS	BGRPMIMNDS0	N/A	Prefix Type: RBOC Switch Name: BIG RAPIDS Switch Type: DMS100 LATA: Grand Rapids MI (348) Tandem: GDRPMIBL21T 🔧 Explore Switch(CLLI: BGRPMIMNDS0))
231-527-1XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	BIG RAPIDS	BGRPMIMNDS0	N/A	Prefix Type: RBOC Switch Name: BIG RAPIDS Switch Type: DMS100 LATA: Grand Rapids MI (348) Tandem: GDRPMIBL21T 🔧 Explore Switch(CLLI: BGRPMIMNDS0))
231-527-2XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	BIG RAPIDS	BGRPMIMNDS0	N/A	Prefix Type: RBOC Switch Name: BIG RAPIDS Switch Type: DMS100 LATA: Grand Rapids MI (348) Tandem: GDRPMIBL21T 🔧 Explore Switch(CLLI: BGRPMIMNDS0))
231-527-3XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	BIG RAPIDS	BGRPMIMNDS0	N/A	Prefix Type: RBOC Switch Name: BIG RAPIDS Switch Type: DMS100 LATA: Grand Rapids MI (348) Tandem: GDRPMIBL21T 🔧 Explore Switch(CLLI: BGRPMIMNDS0))
231-527-6XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	BIG RAPIDS	BGRPMIMNDS0	N/A	Prefix Type: RBOC Switch Name: BIG RAPIDS Switch Type: DMS100 LATA: Grand Rapids MI (348) Tandem: GDRPMIBL21T 🔧 Explore Switch(CLLI: BGRPMIMNDS0))
231-534 is split into 1,000-number blocks - detail below
231-534-6XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	TRAVERSECY	TRCYMIMNDS1	05/12/2004	Prefix Type: RBOC Switch Name: TRAVERSE CITY DS1 Switch Type: DMS100 LATA: Grand Rapids MI (348) Tandem: TRCYMIMN20T 🔧 Explore Switch(CLLI: TRCYMIMNDS1))
231-534-7XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	TRAVERSECY	TRCYMIMNDS1	05/12/2004	Prefix Type: RBOC Switch Name: TRAVERSE CITY DS1 Switch Type: DMS100 LATA: Grand Rapids MI (348) Tandem: TRCYMIMN20T 🔧 Explore Switch(CLLI: TRCYMIMNDS1))
231-534-8XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	TRAVERSECY	TRCYMIMNDS1	10/05/2004	Prefix Type: RBOC Switch Name: TRAVERSE CITY DS1 Switch Type: DMS100 LATA: Grand Rapids MI (348) Tandem: TRCYMIMN20T 🔧 Explore Switch(CLLI: TRCYMIMNDS1))
231-535	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	WALLOON LK	WNLKMIWLRS1	00/00/0000	Prefix Type: RBOC Switch Name: WALLOON LAKE Switch Type: N/A LATA: Grand Rapids MI (348) Tandem: TRCYMIMN20T 🔧 Explore Switch(CLLI: WNLKMIWLRS1))
231-535 is split into 1,000-number blocks - detail below
231-535-2XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	WALLOON LK	WNLKMIWLRS1	N/A	Prefix Type: RBOC Switch Name: WALLOON LAKE Switch Type: N/A LATA: Grand Rapids MI (348) Tandem: TRCYMIMN20T 🔧 Explore Switch(CLLI: WNLKMIWLRS1))
231-536	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	EASTJORDAN	EJRDMIMNRSA	00/00/0000	Prefix Type: RBOC Switch Name: EAST JORDAN Switch Type: N/A LATA: Grand Rapids MI (348) Tandem: TRCYMIMN20T 🔧 Explore Switch(CLLI: EJRDMIMNRSA))
231-536 is split into 1,000-number blocks - detail below
231-536-0XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	EASTJORDAN	EJRDMIMNRSA	N/A	Prefix Type: RBOC Switch Name: EAST JORDAN Switch Type: N/A LATA: Grand Rapids MI (348) Tandem: TRCYMIMN20T 🔧 Explore Switch(CLLI: EJRDMIMNRSA))
231-536-1XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	EASTJORDAN	EJRDMIMNRSA	N/A	Prefix Type: RBOC Switch Name: EAST JORDAN Switch Type: N/A LATA: Grand Rapids MI (348) Tandem: TRCYMIMN20T 🔧 Explore Switch(CLLI: EJRDMIMNRSA))
231-536-2XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	EASTJORDAN	EJRDMIMNRSA	N/A	Prefix Type: RBOC Switch Name: EAST JORDAN Switch Type: N/A LATA: Grand Rapids MI (348) Tandem: TRCYMIMN20T 🔧 Explore Switch(CLLI: EJRDMIMNRSA))
231-536-3XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	EASTJORDAN	EJRDMIMNRSA	N/A	Prefix Type: RBOC Switch Name: EAST JORDAN Switch Type: N/A LATA: Grand Rapids MI (348) Tandem: TRCYMIMN20T 🔧 Explore Switch(CLLI: EJRDMIMNRSA))
231-536-4XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	EASTJORDAN	EJRDMIMNRSA	N/A	Prefix Type: RBOC Switch Name: EAST JORDAN Switch Type: N/A LATA: Grand Rapids MI (348) Tandem: TRCYMIMN20T 🔧 Explore Switch(CLLI: EJRDMIMNRSA))
231-536-7XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	EASTJORDAN	EJRDMIMNRSA	N/A	Prefix Type: RBOC Switch Name: EAST JORDAN Switch Type: N/A LATA: Grand Rapids MI (348) Tandem: TRCYMIMN20T 🔧 Explore Switch(CLLI: EJRDMIMNRSA))
231-536-9XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	EASTJORDAN	EJRDMIMNRSA	N/A	Prefix Type: RBOC Switch Name: EAST JORDAN Switch Type: N/A LATA: Grand Rapids MI (348) Tandem: TRCYMIMN20T 🔧 Explore Switch(CLLI: EJRDMIMNRSA))
231-539	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	PELLSTON	PLSTMIMNRSA	00/00/0000	Prefix Type: RBOC Switch Name: PELLSTON Switch Type: N/A LATA: Grand Rapids MI (348) Tandem: TRCYMIMN20T 🔧 Explore Switch(CLLI: PLSTMIMNRSA))
231-539 is split into 1,000-number blocks - detail below
231-539-7XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	PELLSTON	PLSTMIMNRSA	N/A	Prefix Type: RBOC Switch Name: PELLSTON Switch Type: N/A LATA: Grand Rapids MI (348) Tandem: TRCYMIMN20T 🔧 Explore Switch(CLLI: PLSTMIMNRSA))
231-539-8XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	PELLSTON	PLSTMIMNRSA	N/A	Prefix Type: RBOC Switch Name: PELLSTON Switch Type: N/A LATA: Grand Rapids MI (348) Tandem: TRCYMIMN20T 🔧 Explore Switch(CLLI: PLSTMIMNRSA))
231-547	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	CHARLEVOIX	CHVXMIMNRS0	00/00/0000	Prefix Type: RBOC Switch Name: CHARLEVOIX RS0 Switch Type: N/A LATA: Grand Rapids MI (348) Tandem: TRCYMIMN20T 🔧 Explore Switch(CLLI: CHVXMIMNRS0))
231-582	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	BOYNE CITY	BOCYMIBCDS0	00/00/0000	Prefix Type: RBOC Switch Name: BOYNE CITY Switch Type: DMS10 LATA: Grand Rapids MI (348) Tandem: TRCYMIMN20T 🔧 Explore Switch(CLLI: BOCYMIBCDS0))
231-587	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	MANCELONA	MNCLMIMNRSA	00/00/0000	Prefix Type: RBOC Switch Name: MANCELONA Switch Type: N/A LATA: Grand Rapids MI (348) Tandem: TRCYMIMN20T 🔧 Explore Switch(CLLI: MNCLMIMNRSA))
231-587 is split into 1,000-number blocks - detail below
231-587-0XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	MANCELONA	MNCLMIMNRSA	N/A	Prefix Type: RBOC Switch Name: MANCELONA Switch Type: N/A LATA: Grand Rapids MI (348) Tandem: TRCYMIMN20T 🔧 Explore Switch(CLLI: MNCLMIMNRSA))
231-587-1XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	MANCELONA	MNCLMIMNRSA	N/A	Prefix Type: RBOC Switch Name: MANCELONA Switch Type: N/A LATA: Grand Rapids MI (348) Tandem: TRCYMIMN20T 🔧 Explore Switch(CLLI: MNCLMIMNRSA))
231-587-2XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	MANCELONA	MNCLMIMNRSA	N/A	Prefix Type: RBOC Switch Name: MANCELONA Switch Type: N/A LATA: Grand Rapids MI (348) Tandem: TRCYMIMN20T 🔧 Explore Switch(CLLI: MNCLMIMNRSA))
231-587-4XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	MANCELONA	MNCLMIMNRSA	N/A	Prefix Type: RBOC Switch Name: MANCELONA Switch Type: N/A LATA: Grand Rapids MI (348) Tandem: TRCYMIMN20T 🔧 Explore Switch(CLLI: MNCLMIMNRSA))
231-587-5XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	MANCELONA	MNCLMIMNRSA	N/A	Prefix Type: RBOC Switch Name: MANCELONA Switch Type: N/A LATA: Grand Rapids MI (348) Tandem: TRCYMIMN20T 🔧 Explore Switch(CLLI: MNCLMIMNRSA))
231-587-8XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	MANCELONA	MNCLMIMNRSA	N/A	Prefix Type: RBOC Switch Name: MANCELONA Switch Type: N/A LATA: Grand Rapids MI (348) Tandem: TRCYMIMN20T 🔧 Explore Switch(CLLI: MNCLMIMNRSA))
231-587-9XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	MANCELONA	MNCLMIMNRSA	N/A	Prefix Type: RBOC Switch Name: MANCELONA Switch Type: N/A LATA: Grand Rapids MI (348) Tandem: TRCYMIMN20T 🔧 Explore Switch(CLLI: MNCLMIMNRSA))
231-591	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	BIG RAPIDS	BGRPMIMNDS0	00/00/0000	Prefix Type: RBOC Switch Name: BIG RAPIDS Switch Type: DMS100 LATA: Grand Rapids MI (348) Tandem: GDRPMIBL21T 🔧 Explore Switch(CLLI: BGRPMIMNDS0))
231-592	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	BIG RAPIDS	BGRPMIMNDS0	00/00/0000	Prefix Type: RBOC Switch Name: BIG RAPIDS Switch Type: DMS100 LATA: Grand Rapids MI (348) Tandem: GDRPMIBL21T 🔧 Explore Switch(CLLI: BGRPMIMNDS0))
231-597	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	CHEBOYGAN	CHBYMIMNRSA	00/00/0000	Prefix Type: RBOC Switch Name: CHEBOYGAN Switch Type: N/A LATA: Grand Rapids MI (348) Tandem: TRCYMIMN20T 🔧 Explore Switch(CLLI: CHBYMIMNRSA))
231-597 is split into 1,000-number blocks - detail below
231-597-0XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	CHEBOYGAN	CHBYMIMNRSA	N/A	Prefix Type: RBOC Switch Name: CHEBOYGAN Switch Type: N/A LATA: Grand Rapids MI (348) Tandem: TRCYMIMN20T 🔧 Explore Switch(CLLI: CHBYMIMNRSA))
231-597-1XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	CHEBOYGAN	CHBYMIMNRSA	N/A	Prefix Type: RBOC Switch Name: CHEBOYGAN Switch Type: N/A LATA: Grand Rapids MI (348) Tandem: TRCYMIMN20T 🔧 Explore Switch(CLLI: CHBYMIMNRSA))
231-597-2XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	CHEBOYGAN	CHBYMIMNRSA	N/A	Prefix Type: RBOC Switch Name: CHEBOYGAN Switch Type: N/A LATA: Grand Rapids MI (348) Tandem: TRCYMIMN20T 🔧 Explore Switch(CLLI: CHBYMIMNRSA))
231-597-8XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	CHEBOYGAN	CHBYMIMNRSA	N/A	Prefix Type: RBOC Switch Name: CHEBOYGAN Switch Type: N/A LATA: Grand Rapids MI (348) Tandem: TRCYMIMN20T 🔧 Explore Switch(CLLI: CHBYMIMNRSA))
231-597-9XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	CHEBOYGAN	CHBYMIMNRSA	N/A	Prefix Type: RBOC Switch Name: CHEBOYGAN Switch Type: N/A LATA: Grand Rapids MI (348) Tandem: TRCYMIMN20T 🔧 Explore Switch(CLLI: CHBYMIMNRSA))
231-625	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	CHEBOYGAN	CHBYMISORSA	00/00/0000	Prefix Type: RBOC Switch Name: CHEBOYGAN SO Switch Type: N/A LATA: Grand Rapids MI (348) Tandem: TRCYMIMN20T 🔧 Explore Switch(CLLI: CHBYMISORSA))
231-625 is split into 1,000-number blocks - detail below
231-625-0XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	CHEBOYGAN	CHBYMISORSA	N/A	Prefix Type: RBOC Switch Name: CHEBOYGAN SO Switch Type: N/A LATA: Grand Rapids MI (348) Tandem: TRCYMIMN20T 🔧 Explore Switch(CLLI: CHBYMISORSA))
231-625-2XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	CHEBOYGAN	CHBYMISORSA	N/A	Prefix Type: RBOC Switch Name: CHEBOYGAN SO Switch Type: N/A LATA: Grand Rapids MI (348) Tandem: TRCYMIMN20T 🔧 Explore Switch(CLLI: CHBYMISORSA))
231-625-8XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	CHEBOYGAN	CHBYMISORSA	N/A	Prefix Type: RBOC Switch Name: CHEBOYGAN SO Switch Type: N/A LATA: Grand Rapids MI (348) Tandem: TRCYMIMN20T 🔧 Explore Switch(CLLI: CHBYMISORSA))
231-625-9XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	CHEBOYGAN	CHBYMISORSA	N/A	Prefix Type: RBOC Switch Name: CHEBOYGAN SO Switch Type: N/A LATA: Grand Rapids MI (348) Tandem: TRCYMIMN20T 🔧 Explore Switch(CLLI: CHBYMISORSA))
231-627	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	CHEBOYGAN	CHBYMIMNRSA	00/00/0000	Prefix Type: RBOC Switch Name: CHEBOYGAN Switch Type: N/A LATA: Grand Rapids MI (348) Tandem: TRCYMIMN20T 🔧 Explore Switch(CLLI: CHBYMIMNRSA))
231-627 is split into 1,000-number blocks - detail below
231-627-1XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	CHEBOYGAN	CHBYMIMNRSA	N/A	Prefix Type: RBOC Switch Name: CHEBOYGAN Switch Type: N/A LATA: Grand Rapids MI (348) Tandem: TRCYMIMN20T 🔧 Explore Switch(CLLI: CHBYMIMNRSA))
231-627-2XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	CHEBOYGAN	CHBYMIMNRSA	N/A	Prefix Type: RBOC Switch Name: CHEBOYGAN Switch Type: N/A LATA: Grand Rapids MI (348) Tandem: TRCYMIMN20T 🔧 Explore Switch(CLLI: CHBYMIMNRSA))
231-627-3XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	CHEBOYGAN	CHBYMIMNRSA	N/A	Prefix Type: RBOC Switch Name: CHEBOYGAN Switch Type: N/A LATA: Grand Rapids MI (348) Tandem: TRCYMIMN20T 🔧 Explore Switch(CLLI: CHBYMIMNRSA))
231-627-4XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	CHEBOYGAN	CHBYMIMNRSA	N/A	Prefix Type: RBOC Switch Name: CHEBOYGAN Switch Type: N/A LATA: Grand Rapids MI (348) Tandem: TRCYMIMN20T 🔧 Explore Switch(CLLI: CHBYMIMNRSA))
231-627-5XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	CHEBOYGAN	CHBYMIMNRSA	N/A	Prefix Type: RBOC Switch Name: CHEBOYGAN Switch Type: N/A LATA: Grand Rapids MI (348) Tandem: TRCYMIMN20T 🔧 Explore Switch(CLLI: CHBYMIMNRSA))
231-627-6XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	CHEBOYGAN	CHBYMIMNRSA	N/A	Prefix Type: RBOC Switch Name: CHEBOYGAN Switch Type: N/A LATA: Grand Rapids MI (348) Tandem: TRCYMIMN20T 🔧 Explore Switch(CLLI: CHBYMIMNRSA))
231-627-7XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	CHEBOYGAN	CHBYMIMNRSA	N/A	Prefix Type: RBOC Switch Name: CHEBOYGAN Switch Type: N/A LATA: Grand Rapids MI (348) Tandem: TRCYMIMN20T 🔧 Explore Switch(CLLI: CHBYMIMNRSA))
231-627-8XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	CHEBOYGAN	CHBYMIMNRSA	N/A	Prefix Type: RBOC Switch Name: CHEBOYGAN Switch Type: N/A LATA: Grand Rapids MI (348) Tandem: TRCYMIMN20T 🔧 Explore Switch(CLLI: CHBYMIMNRSA))
231-627-9XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	CHEBOYGAN	CHBYMIMNRSA	N/A	Prefix Type: RBOC Switch Name: CHEBOYGAN Switch Type: N/A LATA: Grand Rapids MI (348) Tandem: TRCYMIMN20T 🔧 Explore Switch(CLLI: CHBYMIMNRSA))
231-652	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	NEWAYGO	NWAYMINWDS0	00/00/0000	Prefix Type: RBOC Switch Name: NEWAYGO Switch Type: DMS10 LATA: Grand Rapids MI (348) Tandem: GDRPMIBL21T 🔧 Explore Switch(CLLI: NWAYMINWDS0))
231-652 is split into 1,000-number blocks - detail below
231-652-1XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	NEWAYGO	NWAYMINWDS0	N/A	Prefix Type: RBOC Switch Name: NEWAYGO Switch Type: DMS10 LATA: Grand Rapids MI (348) Tandem: GDRPMIBL21T 🔧 Explore Switch(CLLI: NWAYMINWDS0))
231-652-2XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	NEWAYGO	NWAYMINWDS0	N/A	Prefix Type: RBOC Switch Name: NEWAYGO Switch Type: DMS10 LATA: Grand Rapids MI (348) Tandem: GDRPMIBL21T 🔧 Explore Switch(CLLI: NWAYMINWDS0))
231-652-3XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	NEWAYGO	NWAYMINWDS0	N/A	Prefix Type: RBOC Switch Name: NEWAYGO Switch Type: DMS10 LATA: Grand Rapids MI (348) Tandem: GDRPMIBL21T 🔧 Explore Switch(CLLI: NWAYMINWDS0))
231-652-4XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	NEWAYGO	NWAYMINWDS0	N/A	Prefix Type: RBOC Switch Name: NEWAYGO Switch Type: DMS10 LATA: Grand Rapids MI (348) Tandem: GDRPMIBL21T 🔧 Explore Switch(CLLI: NWAYMINWDS0))
231-652-5XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	NEWAYGO	NWAYMINWDS0	N/A	Prefix Type: RBOC Switch Name: NEWAYGO Switch Type: DMS10 LATA: Grand Rapids MI (348) Tandem: GDRPMIBL21T 🔧 Explore Switch(CLLI: NWAYMINWDS0))
231-652-6XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	NEWAYGO	NWAYMINWDS0	N/A	Prefix Type: RBOC Switch Name: NEWAYGO Switch Type: DMS10 LATA: Grand Rapids MI (348) Tandem: GDRPMIBL21T 🔧 Explore Switch(CLLI: NWAYMINWDS0))
231-652-7XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	NEWAYGO	NWAYMINWDS0	N/A	Prefix Type: RBOC Switch Name: NEWAYGO Switch Type: DMS10 LATA: Grand Rapids MI (348) Tandem: GDRPMIBL21T 🔧 Explore Switch(CLLI: NWAYMINWDS0))
231-652-8XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	NEWAYGO	NWAYMINWDS0	N/A	Prefix Type: RBOC Switch Name: NEWAYGO Switch Type: DMS10 LATA: Grand Rapids MI (348) Tandem: GDRPMIBL21T 🔧 Explore Switch(CLLI: NWAYMINWDS0))
231-652-9XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	NEWAYGO	NWAYMINWDS0	N/A	Prefix Type: RBOC Switch Name: NEWAYGO Switch Type: DMS10 LATA: Grand Rapids MI (348) Tandem: GDRPMIBL21T 🔧 Explore Switch(CLLI: NWAYMINWDS0))
231-689	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	WHITECLOUD	WHCLMIADRSA	00/00/0000	Prefix Type: RBOC Switch Name: WHITE CLOUD Switch Type: N/A LATA: Grand Rapids MI (348) Tandem: GDRPMIBL21T 🔧 Explore Switch(CLLI: WHCLMIADRSA))
231-689 is split into 1,000-number blocks - detail below
231-689-0XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	WHITECLOUD	WHCLMIADRSA	N/A	Prefix Type: RBOC Switch Name: WHITE CLOUD Switch Type: N/A LATA: Grand Rapids MI (348) Tandem: GDRPMIBL21T 🔧 Explore Switch(CLLI: WHCLMIADRSA))
231-689-1XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	WHITECLOUD	WHCLMIADRSA	N/A	Prefix Type: RBOC Switch Name: WHITE CLOUD Switch Type: N/A LATA: Grand Rapids MI (348) Tandem: GDRPMIBL21T 🔧 Explore Switch(CLLI: WHCLMIADRSA))
231-689-2XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	WHITECLOUD	WHCLMIADRSA	N/A	Prefix Type: RBOC Switch Name: WHITE CLOUD Switch Type: N/A LATA: Grand Rapids MI (348) Tandem: GDRPMIBL21T 🔧 Explore Switch(CLLI: WHCLMIADRSA))
231-689-3XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	WHITECLOUD	WHCLMIADRSA	N/A	Prefix Type: RBOC Switch Name: WHITE CLOUD Switch Type: N/A LATA: Grand Rapids MI (348) Tandem: GDRPMIBL21T 🔧 Explore Switch(CLLI: WHCLMIADRSA))
231-689-5XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	WHITECLOUD	WHCLMIADRSA	N/A	Prefix Type: RBOC Switch Name: WHITE CLOUD Switch Type: N/A LATA: Grand Rapids MI (348) Tandem: GDRPMIBL21T 🔧 Explore Switch(CLLI: WHCLMIADRSA))
231-689-6XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	WHITECLOUD	WHCLMIADRSA	N/A	Prefix Type: RBOC Switch Name: WHITE CLOUD Switch Type: N/A LATA: Grand Rapids MI (348) Tandem: GDRPMIBL21T 🔧 Explore Switch(CLLI: WHCLMIADRSA))
231-689-7XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	WHITECLOUD	WHCLMIADRSA	N/A	Prefix Type: RBOC Switch Name: WHITE CLOUD Switch Type: N/A LATA: Grand Rapids MI (348) Tandem: GDRPMIBL21T 🔧 Explore Switch(CLLI: WHCLMIADRSA))
231-723	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	MANISTEE	MNSTMIMNDS0	00/00/0000	Prefix Type: RBOC Switch Name: MANISTEE Switch Type: 5ESS LATA: Grand Rapids MI (348) Tandem: TRCYMIMN20T 🔧 Explore Switch(CLLI: MNSTMIMNDS0))
231-734	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	EVART	EVRTMIMNDS0	00/00/0000	Prefix Type: RBOC Switch Name: EVART Switch Type: DMS10 LATA: Grand Rapids MI (348) Tandem: GDRPMIBL21T 🔧 Explore Switch(CLLI: EVRTMIMNDS0))
231-734 is split into 1,000-number blocks - detail below
231-734-0XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	EVART	EVRTMIMNDS0	N/A	Prefix Type: RBOC Switch Name: EVART Switch Type: DMS10 LATA: Grand Rapids MI (348) Tandem: GDRPMIBL21T 🔧 Explore Switch(CLLI: EVRTMIMNDS0))
231-734-2XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	EVART	EVRTMIMNDS0	N/A	Prefix Type: RBOC Switch Name: EVART Switch Type: DMS10 LATA: Grand Rapids MI (348) Tandem: GDRPMIBL21T 🔧 Explore Switch(CLLI: EVRTMIMNDS0))
231-734-3XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	EVART	EVRTMIMNDS0	N/A	Prefix Type: RBOC Switch Name: EVART Switch Type: DMS10 LATA: Grand Rapids MI (348) Tandem: GDRPMIBL21T 🔧 Explore Switch(CLLI: EVRTMIMNDS0))
231-734-4XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	EVART	EVRTMIMNDS0	N/A	Prefix Type: RBOC Switch Name: EVART Switch Type: DMS10 LATA: Grand Rapids MI (348) Tandem: GDRPMIBL21T 🔧 Explore Switch(CLLI: EVRTMIMNDS0))
231-734-5XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	EVART	EVRTMIMNDS0	N/A	Prefix Type: RBOC Switch Name: EVART Switch Type: DMS10 LATA: Grand Rapids MI (348) Tandem: GDRPMIBL21T 🔧 Explore Switch(CLLI: EVRTMIMNDS0))
231-734-6XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	EVART	EVRTMIMNDS0	N/A	Prefix Type: RBOC Switch Name: EVART Switch Type: DMS10 LATA: Grand Rapids MI (348) Tandem: GDRPMIBL21T 🔧 Explore Switch(CLLI: EVRTMIMNDS0))
231-734-9XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	EVART	EVRTMIMNDS0	N/A	Prefix Type: RBOC Switch Name: EVART Switch Type: DMS10 LATA: Grand Rapids MI (348) Tandem: GDRPMIBL21T 🔧 Explore Switch(CLLI: EVRTMIMNDS0))
231-743	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	MARION	MARNMIMNRSA	00/00/0000	Prefix Type: RBOC Switch Name: MARION Switch Type: N/A LATA: Grand Rapids MI (348) Tandem: TRCYMIMN20T 🔧 Explore Switch(CLLI: MARNMIMNRSA))
231-743 is split into 1,000-number blocks - detail below
231-743-2XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	MARION	MARNMIMNRSA	N/A	Prefix Type: RBOC Switch Name: MARION Switch Type: N/A LATA: Grand Rapids MI (348) Tandem: TRCYMIMN20T 🔧 Explore Switch(CLLI: MARNMIMNRSA))
231-743-6XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	MARION	MARNMIMNRSA	N/A	Prefix Type: RBOC Switch Name: MARION Switch Type: N/A LATA: Grand Rapids MI (348) Tandem: TRCYMIMN20T 🔧 Explore Switch(CLLI: MARNMIMNRSA))
231-743-9XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	MARION	MARNMIMNRSA	N/A	Prefix Type: RBOC Switch Name: MARION Switch Type: N/A LATA: Grand Rapids MI (348) Tandem: TRCYMIMN20T 🔧 Explore Switch(CLLI: MARNMIMNRSA))
231-745	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	BALDWIN	BLDWMIMNRSA	00/00/0000	Prefix Type: RBOC Switch Name: BALDWIN Switch Type: N/A LATA: Grand Rapids MI (348) Tandem: TRCYMIMN20T 🔧 Explore Switch(CLLI: BLDWMIMNRSA))
231-745 is split into 1,000-number blocks - detail below
231-745-0XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	BALDWIN	BLDWMIMNRSA	N/A	Prefix Type: RBOC Switch Name: BALDWIN Switch Type: N/A LATA: Grand Rapids MI (348) Tandem: TRCYMIMN20T 🔧 Explore Switch(CLLI: BLDWMIMNRSA))
231-745-1XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	BALDWIN	BLDWMIMNRSA	N/A	Prefix Type: RBOC Switch Name: BALDWIN Switch Type: N/A LATA: Grand Rapids MI (348) Tandem: TRCYMIMN20T 🔧 Explore Switch(CLLI: BLDWMIMNRSA))
231-745-2XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	BALDWIN	BLDWMIMNRSA	N/A	Prefix Type: RBOC Switch Name: BALDWIN Switch Type: N/A LATA: Grand Rapids MI (348) Tandem: TRCYMIMN20T 🔧 Explore Switch(CLLI: BLDWMIMNRSA))
231-745-3XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	BALDWIN	BLDWMIMNRSA	N/A	Prefix Type: RBOC Switch Name: BALDWIN Switch Type: N/A LATA: Grand Rapids MI (348) Tandem: TRCYMIMN20T 🔧 Explore Switch(CLLI: BLDWMIMNRSA))
231-745-4XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	BALDWIN	BLDWMIMNRSA	N/A	Prefix Type: RBOC Switch Name: BALDWIN Switch Type: N/A LATA: Grand Rapids MI (348) Tandem: TRCYMIMN20T 🔧 Explore Switch(CLLI: BLDWMIMNRSA))
231-745-6XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	BALDWIN	BLDWMIMNRSA	N/A	Prefix Type: RBOC Switch Name: BALDWIN Switch Type: N/A LATA: Grand Rapids MI (348) Tandem: TRCYMIMN20T 🔧 Explore Switch(CLLI: BLDWMIMNRSA))
231-745-7XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	BALDWIN	BLDWMIMNRSA	N/A	Prefix Type: RBOC Switch Name: BALDWIN Switch Type: N/A LATA: Grand Rapids MI (348) Tandem: TRCYMIMN20T 🔧 Explore Switch(CLLI: BLDWMIMNRSA))
231-745-8XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	BALDWIN	BLDWMIMNRSA	N/A	Prefix Type: RBOC Switch Name: BALDWIN Switch Type: N/A LATA: Grand Rapids MI (348) Tandem: TRCYMIMN20T 🔧 Explore Switch(CLLI: BLDWMIMNRSA))
231-745-9XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	BALDWIN	BLDWMIMNRSA	N/A	Prefix Type: RBOC Switch Name: BALDWIN Switch Type: N/A LATA: Grand Rapids MI (348) Tandem: TRCYMIMN20T 🔧 Explore Switch(CLLI: BLDWMIMNRSA))
231-757	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	SCOTTVILLE	SCVLMIMNDS0	00/00/0000	Prefix Type: RBOC Switch Name: SCOTTVILLE Switch Type: DMS10 LATA: Grand Rapids MI (348) Tandem: TRCYMIMN20T 🔧 Explore Switch(CLLI: SCVLMIMNDS0))
231-757 is split into 1,000-number blocks - detail below
231-757-0XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	SCOTTVILLE	SCVLMIMNDS0	N/A	Prefix Type: RBOC Switch Name: SCOTTVILLE Switch Type: DMS10 LATA: Grand Rapids MI (348) Tandem: TRCYMIMN20T 🔧 Explore Switch(CLLI: SCVLMIMNDS0))
231-757-1XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	SCOTTVILLE	SCVLMIMNDS0	N/A	Prefix Type: RBOC Switch Name: SCOTTVILLE Switch Type: DMS10 LATA: Grand Rapids MI (348) Tandem: TRCYMIMN20T 🔧 Explore Switch(CLLI: SCVLMIMNDS0))
231-757-2XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	SCOTTVILLE	SCVLMIMNDS0	N/A	Prefix Type: RBOC Switch Name: SCOTTVILLE Switch Type: DMS10 LATA: Grand Rapids MI (348) Tandem: TRCYMIMN20T 🔧 Explore Switch(CLLI: SCVLMIMNDS0))
231-757-3XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	SCOTTVILLE	SCVLMIMNDS0	N/A	Prefix Type: RBOC Switch Name: SCOTTVILLE Switch Type: DMS10 LATA: Grand Rapids MI (348) Tandem: TRCYMIMN20T 🔧 Explore Switch(CLLI: SCVLMIMNDS0))
231-757-4XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	SCOTTVILLE	SCVLMIMNDS0	N/A	Prefix Type: RBOC Switch Name: SCOTTVILLE Switch Type: DMS10 LATA: Grand Rapids MI (348) Tandem: TRCYMIMN20T 🔧 Explore Switch(CLLI: SCVLMIMNDS0))
231-757-9XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	SCOTTVILLE	SCVLMIMNDS0	N/A	Prefix Type: RBOC Switch Name: SCOTTVILLE Switch Type: DMS10 LATA: Grand Rapids MI (348) Tandem: TRCYMIMN20T 🔧 Explore Switch(CLLI: SCVLMIMNDS0))
231-768	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	LE ROY	LROYMIMNRSA	00/00/0000	Prefix Type: RBOC Switch Name: LE ROY Switch Type: N/A LATA: Grand Rapids MI (348) Tandem: TRCYMIMN20T 🔧 Explore Switch(CLLI: LROYMIMNRSA))
231-768 is split into 1,000-number blocks - detail below
231-768-4XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	LE ROY	LROYMIMNRSA	N/A	Prefix Type: RBOC Switch Name: LE ROY Switch Type: N/A LATA: Grand Rapids MI (348) Tandem: TRCYMIMN20T 🔧 Explore Switch(CLLI: LROYMIMNRSA))
231-768-5XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	LE ROY	LROYMIMNRSA	N/A	Prefix Type: RBOC Switch Name: LE ROY Switch Type: N/A LATA: Grand Rapids MI (348) Tandem: TRCYMIMN20T 🔧 Explore Switch(CLLI: LROYMIMNRSA))
231-775	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	CADILLAC	CDLCMIMNDS0	00/00/0000	Prefix Type: RBOC Switch Name: CADILLAC Switch Type: 5ESS LATA: Grand Rapids MI (348) Tandem: TRCYMIMN20T 🔧 Explore Switch(CLLI: CDLCMIMNDS0))
231-779	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	CADILLAC	CDLCMIMNDS0	00/00/0000	Prefix Type: RBOC Switch Name: CADILLAC Switch Type: 5ESS LATA: Grand Rapids MI (348) Tandem: TRCYMIMN20T 🔧 Explore Switch(CLLI: CDLCMIMNDS0))
231-796	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	BIG RAPIDS	BGRPMIMNDS0	00/00/0000	Prefix Type: RBOC Switch Name: BIG RAPIDS Switch Type: DMS100 LATA: Grand Rapids MI (348) Tandem: GDRPMIBL21T 🔧 Explore Switch(CLLI: BGRPMIMNDS0))
231-797	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	LUTHER	LTHRMIMNRSA	00/00/0000	Prefix Type: RBOC Switch Name: LUTHER Switch Type: N/A LATA: Grand Rapids MI (348) Tandem: TRCYMIMN20T 🔧 Explore Switch(CLLI: LTHRMIMNRSA))
231-797 is split into 1,000-number blocks - detail below
231-797-5XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	LUTHER	LTHRMIMNRSA	N/A	Prefix Type: RBOC Switch Name: LUTHER Switch Type: N/A LATA: Grand Rapids MI (348) Tandem: TRCYMIMN20T 🔧 Explore Switch(CLLI: LTHRMIMNRSA))
231-824	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	MANTON	MNTNMIMNRSA	00/00/0000	Prefix Type: RBOC Switch Name: MANTON Switch Type: N/A LATA: Grand Rapids MI (348) Tandem: TRCYMIMN20T 🔧 Explore Switch(CLLI: MNTNMIMNRSA))
231-824 is split into 1,000-number blocks - detail below
231-824-3XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	MANTON	MNTNMIMNRSA	N/A	Prefix Type: RBOC Switch Name: MANTON Switch Type: N/A LATA: Grand Rapids MI (348) Tandem: TRCYMIMN20T 🔧 Explore Switch(CLLI: MNTNMIMNRSA))
231-824-6XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	MANTON	MNTNMIMNRSA	N/A	Prefix Type: RBOC Switch Name: MANTON Switch Type: N/A LATA: Grand Rapids MI (348) Tandem: TRCYMIMN20T 🔧 Explore Switch(CLLI: MNTNMIMNRSA))
231-824-9XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	MANTON	MNTNMIMNRSA	N/A	Prefix Type: RBOC Switch Name: MANTON Switch Type: N/A LATA: Grand Rapids MI (348) Tandem: TRCYMIMN20T 🔧 Explore Switch(CLLI: MNTNMIMNRSA))
231-825	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	MCBAIN	MCBNMIMNRS1	00/00/0000	Prefix Type: RBOC Switch Name: MCBAIN Switch Type: N/A LATA: Grand Rapids MI (348) Tandem: TRCYMIMN20T 🔧 Explore Switch(CLLI: MCBNMIMNRS1))
231-825 is split into 1,000-number blocks - detail below
231-825-0XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	MCBAIN	MCBNMIMNRS1	N/A	Prefix Type: RBOC Switch Name: MCBAIN Switch Type: N/A LATA: Grand Rapids MI (348) Tandem: TRCYMIMN20T 🔧 Explore Switch(CLLI: MCBNMIMNRS1))
231-825-2XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	MCBAIN	MCBNMIMNRS1	N/A	Prefix Type: RBOC Switch Name: MCBAIN Switch Type: N/A LATA: Grand Rapids MI (348) Tandem: TRCYMIMN20T 🔧 Explore Switch(CLLI: MCBNMIMNRS1))
231-825-4XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	MCBAIN	MCBNMIMNRS1	N/A	Prefix Type: RBOC Switch Name: MCBAIN Switch Type: N/A LATA: Grand Rapids MI (348) Tandem: TRCYMIMN20T 🔧 Explore Switch(CLLI: MCBNMIMNRS1))
231-825-8XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	MCBAIN	MCBNMIMNRS1	N/A	Prefix Type: RBOC Switch Name: MCBAIN Switch Type: N/A LATA: Grand Rapids MI (348) Tandem: TRCYMIMN20T 🔧 Explore Switch(CLLI: MCBNMIMNRS1))
231-829	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	TUSTIN	TUSTMIMNRSA	00/00/0000	Prefix Type: RBOC Switch Name: TUSTIN Switch Type: N/A LATA: Grand Rapids MI (348) Tandem: TRCYMIMN20T 🔧 Explore Switch(CLLI: TUSTMIMNRSA))
231-829 is split into 1,000-number blocks - detail below
231-829-3XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	TUSTIN	TUSTMIMNRSA	N/A	Prefix Type: RBOC Switch Name: TUSTIN Switch Type: N/A LATA: Grand Rapids MI (348) Tandem: TRCYMIMN20T 🔧 Explore Switch(CLLI: TUSTMIMNRSA))
231-829-9XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	TUSTIN	TUSTMIMNRSA	N/A	Prefix Type: RBOC Switch Name: TUSTIN Switch Type: N/A LATA: Grand Rapids MI (348) Tandem: TRCYMIMN20T 🔧 Explore Switch(CLLI: TUSTMIMNRSA))
231-832	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	REED CITY	RDCYMIMNRSA	00/00/0000	Prefix Type: RBOC Switch Name: REED CITY Switch Type: N/A LATA: Grand Rapids MI (348) Tandem: TRCYMIMN20T 🔧 Explore Switch(CLLI: RDCYMIMNRSA))
231-834	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	GRANT	GRNTMIMNRSA	00/00/0000	Prefix Type: RBOC Switch Name: GRANT Switch Type: N/A LATA: Grand Rapids MI (348) Tandem: GDRPMIBL21T 🔧 Explore Switch(CLLI: GRNTMIMNRSA))
231-834 is split into 1,000-number blocks - detail below
231-834-0XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	GRANT	GRNTMIMNRSA	N/A	Prefix Type: RBOC Switch Name: GRANT Switch Type: N/A LATA: Grand Rapids MI (348) Tandem: GDRPMIBL21T 🔧 Explore Switch(CLLI: GRNTMIMNRSA))
231-834-1XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	GRANT	GRNTMIMNRSA	N/A	Prefix Type: RBOC Switch Name: GRANT Switch Type: N/A LATA: Grand Rapids MI (348) Tandem: GDRPMIBL21T 🔧 Explore Switch(CLLI: GRNTMIMNRSA))
231-834-5XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	GRANT	GRNTMIMNRSA	N/A	Prefix Type: RBOC Switch Name: GRANT Switch Type: N/A LATA: Grand Rapids MI (348) Tandem: GDRPMIBL21T 🔧 Explore Switch(CLLI: GRNTMIMNRSA))
231-834-7XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	GRANT	GRNTMIMNRSA	N/A	Prefix Type: RBOC Switch Name: GRANT Switch Type: N/A LATA: Grand Rapids MI (348) Tandem: GDRPMIBL21T 🔧 Explore Switch(CLLI: GRNTMIMNRSA))
231-834-8XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	GRANT	GRNTMIMNRSA	N/A	Prefix Type: RBOC Switch Name: GRANT Switch Type: N/A LATA: Grand Rapids MI (348) Tandem: GDRPMIBL21T 🔧 Explore Switch(CLLI: GRNTMIMNRSA))
231-834-9XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	GRANT	GRNTMIMNRSA	N/A	Prefix Type: RBOC Switch Name: GRANT Switch Type: N/A LATA: Grand Rapids MI (348) Tandem: GDRPMIBL21T 🔧 Explore Switch(CLLI: GRNTMIMNRSA))
231-856	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	MORLEY	MRLYMIMNRSA	00/00/0000	Prefix Type: RBOC Switch Name: MORLEY Switch Type: N/A LATA: Grand Rapids MI (348) Tandem: GDRPMIBL21T 🔧 Explore Switch(CLLI: MRLYMIMNRSA))
231-856 is split into 1,000-number blocks - detail below
231-856-0XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	MORLEY	MRLYMIMNRSA	N/A	Prefix Type: RBOC Switch Name: MORLEY Switch Type: N/A LATA: Grand Rapids MI (348) Tandem: GDRPMIBL21T 🔧 Explore Switch(CLLI: MRLYMIMNRSA))
231-856-4XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	MORLEY	MRLYMIMNRSA	N/A	Prefix Type: RBOC Switch Name: MORLEY Switch Type: N/A LATA: Grand Rapids MI (348) Tandem: GDRPMIBL21T 🔧 Explore Switch(CLLI: MRLYMIMNRSA))
231-856-7XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	MORLEY	MRLYMIMNRSA	N/A	Prefix Type: RBOC Switch Name: MORLEY Switch Type: N/A LATA: Grand Rapids MI (348) Tandem: GDRPMIBL21T 🔧 Explore Switch(CLLI: MRLYMIMNRSA))
231-876	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	CADILLAC	CDLCMIMNDS0	00/00/0000	Prefix Type: RBOC Switch Name: CADILLAC Switch Type: 5ESS LATA: Grand Rapids MI (348) Tandem: TRCYMIMN20T 🔧 Explore Switch(CLLI: CDLCMIMNDS0))
231-876 is split into 1,000-number blocks - detail below
231-876-0XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	CADILLAC	CDLCMIMNDS0	N/A	Prefix Type: RBOC Switch Name: CADILLAC Switch Type: 5ESS LATA: Grand Rapids MI (348) Tandem: TRCYMIMN20T 🔧 Explore Switch(CLLI: CDLCMIMNDS0))
231-876-1XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	CADILLAC	CDLCMIMNDS0	N/A	Prefix Type: RBOC Switch Name: CADILLAC Switch Type: 5ESS LATA: Grand Rapids MI (348) Tandem: TRCYMIMN20T 🔧 Explore Switch(CLLI: CDLCMIMNDS0))
231-876-2XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	CADILLAC	CDLCMIMNDS0	N/A	Prefix Type: RBOC Switch Name: CADILLAC Switch Type: 5ESS LATA: Grand Rapids MI (348) Tandem: TRCYMIMN20T 🔧 Explore Switch(CLLI: CDLCMIMNDS0))
231-876-3XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	CADILLAC	CDLCMIMNDS0	N/A	Prefix Type: RBOC Switch Name: CADILLAC Switch Type: 5ESS LATA: Grand Rapids MI (348) Tandem: TRCYMIMN20T 🔧 Explore Switch(CLLI: CDLCMIMNDS0))
231-876-4XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	CADILLAC	CDLCMIMNDS0	N/A	Prefix Type: RBOC Switch Name: CADILLAC Switch Type: 5ESS LATA: Grand Rapids MI (348) Tandem: TRCYMIMN20T 🔧 Explore Switch(CLLI: CDLCMIMNDS0))
231-876-5XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	CADILLAC	CDLCMIMNDS0	N/A	Prefix Type: RBOC Switch Name: CADILLAC Switch Type: 5ESS LATA: Grand Rapids MI (348) Tandem: TRCYMIMN20T 🔧 Explore Switch(CLLI: CDLCMIMNDS0))
231-876-6XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	CADILLAC	CDLCMIMNDS0	N/A	Prefix Type: RBOC Switch Name: CADILLAC Switch Type: 5ESS LATA: Grand Rapids MI (348) Tandem: TRCYMIMN20T 🔧 Explore Switch(CLLI: CDLCMIMNDS0))
231-876-7XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	CADILLAC	CDLCMIMNDS0	N/A	Prefix Type: RBOC Switch Name: CADILLAC Switch Type: 5ESS LATA: Grand Rapids MI (348) Tandem: TRCYMIMN20T 🔧 Explore Switch(CLLI: CDLCMIMNDS0))
231-876-9XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	CADILLAC	CDLCMIMNDS0	N/A	Prefix Type: RBOC Switch Name: CADILLAC Switch Type: 5ESS LATA: Grand Rapids MI (348) Tandem: TRCYMIMN20T 🔧 Explore Switch(CLLI: CDLCMIMNDS0))
231-879	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	FIFE LAKE	FFLKMIMNRSA	00/00/0000	Prefix Type: RBOC Switch Name: FIFE LAKE Switch Type: N/A LATA: Grand Rapids MI (348) Tandem: TRCYMIMN20T 🔧 Explore Switch(CLLI: FFLKMIMNRSA))
231-879 is split into 1,000-number blocks - detail below
231-879-3XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	FIFE LAKE	FFLKMIMNRSA	N/A	Prefix Type: RBOC Switch Name: FIFE LAKE Switch Type: N/A LATA: Grand Rapids MI (348) Tandem: TRCYMIMN20T 🔧 Explore Switch(CLLI: FFLKMIMNRSA))
231-879-4XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	FIFE LAKE	FFLKMIMNRSA	N/A	Prefix Type: RBOC Switch Name: FIFE LAKE Switch Type: N/A LATA: Grand Rapids MI (348) Tandem: TRCYMIMN20T 🔧 Explore Switch(CLLI: FFLKMIMNRSA))
231-882	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	BEULAH	BELHMIMNRSA	00/00/0000	Prefix Type: RBOC Switch Name: BEULAH Switch Type: N/A LATA: Grand Rapids MI (348) Tandem: TRCYMIMN20T 🔧 Explore Switch(CLLI: BELHMIMNRSA))
231-882 is split into 1,000-number blocks - detail below
231-882-0XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	BEULAH	BELHMIMNRSA	N/A	Prefix Type: RBOC Switch Name: BEULAH Switch Type: N/A LATA: Grand Rapids MI (348) Tandem: TRCYMIMN20T 🔧 Explore Switch(CLLI: BELHMIMNRSA))
231-882-1XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	BEULAH	BELHMIMNRSA	N/A	Prefix Type: RBOC Switch Name: BEULAH Switch Type: N/A LATA: Grand Rapids MI (348) Tandem: TRCYMIMN20T 🔧 Explore Switch(CLLI: BELHMIMNRSA))
231-882-2XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	BEULAH	BELHMIMNRSA	N/A	Prefix Type: RBOC Switch Name: BEULAH Switch Type: N/A LATA: Grand Rapids MI (348) Tandem: TRCYMIMN20T 🔧 Explore Switch(CLLI: BELHMIMNRSA))
231-882-4XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	BEULAH	BELHMIMNRSA	N/A	Prefix Type: RBOC Switch Name: BEULAH Switch Type: N/A LATA: Grand Rapids MI (348) Tandem: TRCYMIMN20T 🔧 Explore Switch(CLLI: BELHMIMNRSA))
231-882-5XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	BEULAH	BELHMIMNRSA	N/A	Prefix Type: RBOC Switch Name: BEULAH Switch Type: N/A LATA: Grand Rapids MI (348) Tandem: TRCYMIMN20T 🔧 Explore Switch(CLLI: BELHMIMNRSA))
231-882-7XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	BEULAH	BELHMIMNRSA	N/A	Prefix Type: RBOC Switch Name: BEULAH Switch Type: N/A LATA: Grand Rapids MI (348) Tandem: TRCYMIMN20T 🔧 Explore Switch(CLLI: BELHMIMNRSA))
231-882-9XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	BEULAH	BELHMIMNRSA	N/A	Prefix Type: RBOC Switch Name: BEULAH Switch Type: N/A LATA: Grand Rapids MI (348) Tandem: TRCYMIMN20T 🔧 Explore Switch(CLLI: BELHMIMNRSA))
231-889	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	ONEKAMA	ONKMMIMNRSA	00/00/0000	Prefix Type: RBOC Switch Name: ONEKAMA Switch Type: N/A LATA: Grand Rapids MI (348) Tandem: TRCYMIMN20T 🔧 Explore Switch(CLLI: ONKMMIMNRSA))
231-889 is split into 1,000-number blocks - detail below
231-889-0XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	ONEKAMA	ONKMMIMNRSA	N/A	Prefix Type: RBOC Switch Name: ONEKAMA Switch Type: N/A LATA: Grand Rapids MI (348) Tandem: TRCYMIMN20T 🔧 Explore Switch(CLLI: ONKMMIMNRSA))
231-889-3XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	ONEKAMA	ONKMMIMNRSA	N/A	Prefix Type: RBOC Switch Name: ONEKAMA Switch Type: N/A LATA: Grand Rapids MI (348) Tandem: TRCYMIMN20T 🔧 Explore Switch(CLLI: ONKMMIMNRSA))
231-889-4XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	ONEKAMA	ONKMMIMNRSA	N/A	Prefix Type: RBOC Switch Name: ONEKAMA Switch Type: N/A LATA: Grand Rapids MI (348) Tandem: TRCYMIMN20T 🔧 Explore Switch(CLLI: ONKMMIMNRSA))
231-889-5XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	ONEKAMA	ONKMMIMNRSA	N/A	Prefix Type: RBOC Switch Name: ONEKAMA Switch Type: N/A LATA: Grand Rapids MI (348) Tandem: TRCYMIMN20T 🔧 Explore Switch(CLLI: ONKMMIMNRSA))
231-889-9XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	ONEKAMA	ONKMMIMNRSA	N/A	Prefix Type: RBOC Switch Name: ONEKAMA Switch Type: N/A LATA: Grand Rapids MI (348) Tandem: TRCYMIMN20T 🔧 Explore Switch(CLLI: ONKMMIMNRSA))
231-890	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	TRAVERSECY	TRCYMIMNDS1	00/00/0000	Prefix Type: RBOC Switch Name: TRAVERSE CITY DS1 Switch Type: DMS100 LATA: Grand Rapids MI (348) Tandem: TRCYMIMN20T 🔧 Explore Switch(CLLI: TRCYMIMNDS1))
231-922	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	TRAVERSECY	TRCYMIMNDS1	00/00/0000	Prefix Type: RBOC Switch Name: TRAVERSE CITY DS1 Switch Type: DMS100 LATA: Grand Rapids MI (348) Tandem: TRCYMIMN20T 🔧 Explore Switch(CLLI: TRCYMIMNDS1))
231-924	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	FREMONT	FRMTMIMNRSA	00/00/0000	Prefix Type: RBOC Switch Name: FREMONT Switch Type: N/A LATA: Grand Rapids MI (348) Tandem: GDRPMIBL21T 🔧 Explore Switch(CLLI: FRMTMIMNRSA))
231-928	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	FREMONT	FRMTMIMNRSA	00/00/0000	Prefix Type: RBOC Switch Name: FREMONT Switch Type: N/A LATA: Grand Rapids MI (348) Tandem: GDRPMIBL21T 🔧 Explore Switch(CLLI: FRMTMIMNRSA))
231-928 is split into 1,000-number blocks - detail below
231-928-0XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	FREMONT	FRMTMIMNRSA	N/A	Prefix Type: RBOC Switch Name: FREMONT Switch Type: N/A LATA: Grand Rapids MI (348) Tandem: GDRPMIBL21T 🔧 Explore Switch(CLLI: FRMTMIMNRSA))
231-928-1XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	FREMONT	FRMTMIMNRSA	N/A	Prefix Type: RBOC Switch Name: FREMONT Switch Type: N/A LATA: Grand Rapids MI (348) Tandem: GDRPMIBL21T 🔧 Explore Switch(CLLI: FRMTMIMNRSA))
231-928-2XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	FREMONT	FRMTMIMNRSA	N/A	Prefix Type: RBOC Switch Name: FREMONT Switch Type: N/A LATA: Grand Rapids MI (348) Tandem: GDRPMIBL21T 🔧 Explore Switch(CLLI: FRMTMIMNRSA))
231-928-3XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	FREMONT	FRMTMIMNRSA	N/A	Prefix Type: RBOC Switch Name: FREMONT Switch Type: N/A LATA: Grand Rapids MI (348) Tandem: GDRPMIBL21T 🔧 Explore Switch(CLLI: FRMTMIMNRSA))
231-928-4XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	FREMONT	FRMTMIMNRSA	N/A	Prefix Type: RBOC Switch Name: FREMONT Switch Type: N/A LATA: Grand Rapids MI (348) Tandem: GDRPMIBL21T 🔧 Explore Switch(CLLI: FRMTMIMNRSA))
231-929	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	TRAVERSECY	TRCYMIMNDS1	00/00/0000	Prefix Type: RBOC Switch Name: TRAVERSE CITY DS1 Switch Type: DMS100 LATA: Grand Rapids MI (348) Tandem: TRCYMIMN20T 🔧 Explore Switch(CLLI: TRCYMIMNDS1))
231-932	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	TRAVERSECY	TRCYMIMNDS1	00/00/0000	Prefix Type: RBOC Switch Name: TRAVERSE CITY DS1 Switch Type: DMS100 LATA: Grand Rapids MI (348) Tandem: TRCYMIMN20T 🔧 Explore Switch(CLLI: TRCYMIMNDS1))
231-933	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	TRAVERSECY	TRCYMIMNDS1	00/00/0000	Prefix Type: RBOC Switch Name: TRAVERSE CITY DS1 Switch Type: DMS100 LATA: Grand Rapids MI (348) Tandem: TRCYMIMN20T 🔧 Explore Switch(CLLI: TRCYMIMNDS1))
231-935	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	TRAVERSECY	TRCYMIMNDS1	00/00/0000	Prefix Type: RBOC Switch Name: TRAVERSE CITY DS1 Switch Type: DMS100 LATA: Grand Rapids MI (348) Tandem: TRCYMIMN20T 🔧 Explore Switch(CLLI: TRCYMIMNDS1))
231-938	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	TRAVERSECY	ACMEMIMNDS0	00/00/0000	Prefix Type: RBOC Switch Name: ACME Switch Type: EWSD LATA: Grand Rapids MI (348) Tandem: TRCYMIMN20T 🔧 Explore Switch(CLLI: ACMEMIMNDS0))
231-938 is split into 1,000-number blocks - detail below
231-938-0XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	TRAVERSECY	ACMEMIMNDS0	N/A	Prefix Type: RBOC Switch Name: ACME Switch Type: EWSD LATA: Grand Rapids MI (348) Tandem: TRCYMIMN20T 🔧 Explore Switch(CLLI: ACMEMIMNDS0))
231-938-1XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	TRAVERSECY	ACMEMIMNDS0	N/A	Prefix Type: RBOC Switch Name: ACME Switch Type: EWSD LATA: Grand Rapids MI (348) Tandem: TRCYMIMN20T 🔧 Explore Switch(CLLI: ACMEMIMNDS0))
231-938-2XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	TRAVERSECY	ACMEMIMNDS0	N/A	Prefix Type: RBOC Switch Name: ACME Switch Type: EWSD LATA: Grand Rapids MI (348) Tandem: TRCYMIMN20T 🔧 Explore Switch(CLLI: ACMEMIMNDS0))
231-938-3XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	TRAVERSECY	ACMEMIMNDS0	N/A	Prefix Type: RBOC Switch Name: ACME Switch Type: EWSD LATA: Grand Rapids MI (348) Tandem: TRCYMIMN20T 🔧 Explore Switch(CLLI: ACMEMIMNDS0))
231-938-4XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	TRAVERSECY	ACMEMIMNDS0	N/A	Prefix Type: RBOC Switch Name: ACME Switch Type: EWSD LATA: Grand Rapids MI (348) Tandem: TRCYMIMN20T 🔧 Explore Switch(CLLI: ACMEMIMNDS0))
231-938-5XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	TRAVERSECY	ACMEMIMNDS0	N/A	Prefix Type: RBOC Switch Name: ACME Switch Type: EWSD LATA: Grand Rapids MI (348) Tandem: TRCYMIMN20T 🔧 Explore Switch(CLLI: ACMEMIMNDS0))
231-938-7XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	TRAVERSECY	ACMEMIMNDS0	N/A	Prefix Type: RBOC Switch Name: ACME Switch Type: EWSD LATA: Grand Rapids MI (348) Tandem: TRCYMIMN20T 🔧 Explore Switch(CLLI: ACMEMIMNDS0))
231-938-8XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	TRAVERSECY	ACMEMIMNDS0	N/A	Prefix Type: RBOC Switch Name: ACME Switch Type: EWSD LATA: Grand Rapids MI (348) Tandem: TRCYMIMN20T 🔧 Explore Switch(CLLI: ACMEMIMNDS0))
231-938-9XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	TRAVERSECY	ACMEMIMNDS0	N/A	Prefix Type: RBOC Switch Name: ACME Switch Type: EWSD LATA: Grand Rapids MI (348) Tandem: TRCYMIMN20T 🔧 Explore Switch(CLLI: ACMEMIMNDS0))
231-941	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	TRAVERSECY	TRCYMIMNDS1	00/00/0000	Prefix Type: RBOC Switch Name: TRAVERSE CITY DS1 Switch Type: DMS100 LATA: Grand Rapids MI (348) Tandem: TRCYMIMN20T 🔧 Explore Switch(CLLI: TRCYMIMNDS1))
231-943	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	TRAVERSECY	GRWNMIMNRS0	00/00/0000	Prefix Type: RBOC Switch Name: GRAWN RS0 Switch Type: N/A LATA: Grand Rapids MI (348) Tandem: TRCYMIMN20T 🔧 Explore Switch(CLLI: GRWNMIMNRS0))
231-943 is split into 1,000-number blocks - detail below
231-943-0XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	TRAVERSECY	GRWNMIMNRS0	N/A	Prefix Type: RBOC Switch Name: GRAWN RS0 Switch Type: N/A LATA: Grand Rapids MI (348) Tandem: TRCYMIMN20T 🔧 Explore Switch(CLLI: GRWNMIMNRS0))
231-943-3XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	TRAVERSECY	GRWNMIMNRS0	N/A	Prefix Type: RBOC Switch Name: GRAWN RS0 Switch Type: N/A LATA: Grand Rapids MI (348) Tandem: TRCYMIMN20T 🔧 Explore Switch(CLLI: GRWNMIMNRS0))
231-943-4XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	TRAVERSECY	GRWNMIMNRS0	N/A	Prefix Type: RBOC Switch Name: GRAWN RS0 Switch Type: N/A LATA: Grand Rapids MI (348) Tandem: TRCYMIMN20T 🔧 Explore Switch(CLLI: GRWNMIMNRS0))
231-943-5XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	TRAVERSECY	GRWNMIMNRS0	N/A	Prefix Type: RBOC Switch Name: GRAWN RS0 Switch Type: N/A LATA: Grand Rapids MI (348) Tandem: TRCYMIMN20T 🔧 Explore Switch(CLLI: GRWNMIMNRS0))
231-943-7XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	TRAVERSECY	GRWNMIMNRS0	N/A	Prefix Type: RBOC Switch Name: GRAWN RS0 Switch Type: N/A LATA: Grand Rapids MI (348) Tandem: TRCYMIMN20T 🔧 Explore Switch(CLLI: GRWNMIMNRS0))
231-943-8XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	TRAVERSECY	GRWNMIMNRS0	N/A	Prefix Type: RBOC Switch Name: GRAWN RS0 Switch Type: N/A LATA: Grand Rapids MI (348) Tandem: TRCYMIMN20T 🔧 Explore Switch(CLLI: GRWNMIMNRS0))
231-943-9XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	TRAVERSECY	GRWNMIMNRS0	N/A	Prefix Type: RBOC Switch Name: GRAWN RS0 Switch Type: N/A LATA: Grand Rapids MI (348) Tandem: TRCYMIMN20T 🔧 Explore Switch(CLLI: GRWNMIMNRS0))
231-946	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	TRAVERSECY	TRCYMIMNDS1	00/00/0000	Prefix Type: RBOC Switch Name: TRAVERSE CITY DS1 Switch Type: DMS100 LATA: Grand Rapids MI (348) Tandem: TRCYMIMN20T 🔧 Explore Switch(CLLI: TRCYMIMNDS1))
231-947	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	TRAVERSECY	TRCYMIMNDS1	00/00/0000	Prefix Type: RBOC Switch Name: TRAVERSE CITY DS1 Switch Type: DMS100 LATA: Grand Rapids MI (348) Tandem: TRCYMIMN20T 🔧 Explore Switch(CLLI: TRCYMIMNDS1))
231-995	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	TRAVERSECY	TRCYMIMNDS1	00/00/0000	Prefix Type: RBOC Switch Name: TRAVERSE CITY DS1 Switch Type: DMS100 LATA: Grand Rapids MI (348) Tandem: TRCYMIMN20T 🔧 Explore Switch(CLLI: TRCYMIMNDS1))
248-203	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	BIRMINGHAM	BRHMMIMNDS0	00/00/0000	Prefix Type: RBOC Switch Name: BIRMINGHAM DS0 Switch Type: EWSD LATA: Detroit MI (340) Tandem: TROYMIMN55T 🔧 Explore Switch(CLLI: BRHMMIMNDS0))
248-208	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	SOUTHFIELD	SFLDMIMNDS0	00/00/0000	Prefix Type: RBOC Switch Name: SOUTHFIELD DS0 Switch Type: DMS100 LATA: Detroit MI (340) Tandem: WBFDMIMN20T 🔧 Explore Switch(CLLI: SFLDMIMNDS0))
248-208 is split into 1,000-number blocks - detail below
248-208-0XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	SOUTHFIELD	SFLDMIMNDS0	N/A	Prefix Type: RBOC Switch Name: SOUTHFIELD DS0 Switch Type: DMS100 LATA: Detroit MI (340) Tandem: WBFDMIMN20T 🔧 Explore Switch(CLLI: SFLDMIMNDS0))
248-208-1XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	SOUTHFIELD	SFLDMIMNDS0	N/A	Prefix Type: RBOC Switch Name: SOUTHFIELD DS0 Switch Type: DMS100 LATA: Detroit MI (340) Tandem: WBFDMIMN20T 🔧 Explore Switch(CLLI: SFLDMIMNDS0))
248-208-2XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	SOUTHFIELD	SFLDMIMNDS0	N/A	Prefix Type: RBOC Switch Name: SOUTHFIELD DS0 Switch Type: DMS100 LATA: Detroit MI (340) Tandem: WBFDMIMN20T 🔧 Explore Switch(CLLI: SFLDMIMNDS0))
248-208-3XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	SOUTHFIELD	SFLDMIMNDS0	N/A	Prefix Type: RBOC Switch Name: SOUTHFIELD DS0 Switch Type: DMS100 LATA: Detroit MI (340) Tandem: WBFDMIMN20T 🔧 Explore Switch(CLLI: SFLDMIMNDS0))
248-208-4XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	SOUTHFIELD	SFLDMIMNDS0	N/A	Prefix Type: RBOC Switch Name: SOUTHFIELD DS0 Switch Type: DMS100 LATA: Detroit MI (340) Tandem: WBFDMIMN20T 🔧 Explore Switch(CLLI: SFLDMIMNDS0))
248-208-6XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	SOUTHFIELD	SFLDMIMNDS0	N/A	Prefix Type: RBOC Switch Name: SOUTHFIELD DS0 Switch Type: DMS100 LATA: Detroit MI (340) Tandem: WBFDMIMN20T 🔧 Explore Switch(CLLI: SFLDMIMNDS0))
248-208-7XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	SOUTHFIELD	SFLDMIMNDS0	N/A	Prefix Type: RBOC Switch Name: SOUTHFIELD DS0 Switch Type: DMS100 LATA: Detroit MI (340) Tandem: WBFDMIMN20T 🔧 Explore Switch(CLLI: SFLDMIMNDS0))
248-208-8XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	SOUTHFIELD	SFLDMIMNDS0	N/A	Prefix Type: RBOC Switch Name: SOUTHFIELD DS0 Switch Type: DMS100 LATA: Detroit MI (340) Tandem: WBFDMIMN20T 🔧 Explore Switch(CLLI: SFLDMIMNDS0))
248-208-9XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	SOUTHFIELD	SFLDMIMNDS0	N/A	Prefix Type: RBOC Switch Name: SOUTHFIELD DS0 Switch Type: DMS100 LATA: Detroit MI (340) Tandem: WBFDMIMN20T 🔧 Explore Switch(CLLI: SFLDMIMNDS0))
248-213	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	SOUTHFIELD	SFLDMIMNDS1	00/00/0000	Prefix Type: RBOC Switch Name: SOUTHFIELD DS1 Switch Type: DMS100 LATA: Detroit MI (340) Tandem: WBFDMIMN20T 🔧 Explore Switch(CLLI: SFLDMIMNDS1))
248-213 is split into 1,000-number blocks - detail below
248-213-0XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	SOUTHFIELD	SFLDMIMNDS1	N/A	Prefix Type: RBOC Switch Name: SOUTHFIELD DS1 Switch Type: DMS100 LATA: Detroit MI (340) Tandem: WBFDMIMN20T 🔧 Explore Switch(CLLI: SFLDMIMNDS1))
248-213-1XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	SOUTHFIELD	SFLDMIMNDS1	N/A	Prefix Type: RBOC Switch Name: SOUTHFIELD DS1 Switch Type: DMS100 LATA: Detroit MI (340) Tandem: WBFDMIMN20T 🔧 Explore Switch(CLLI: SFLDMIMNDS1))
248-213-2XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	SOUTHFIELD	SFLDMIMNDS1	N/A	Prefix Type: RBOC Switch Name: SOUTHFIELD DS1 Switch Type: DMS100 LATA: Detroit MI (340) Tandem: WBFDMIMN20T 🔧 Explore Switch(CLLI: SFLDMIMNDS1))
248-213-3XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	SOUTHFIELD	SFLDMIMNDS1	N/A	Prefix Type: RBOC Switch Name: SOUTHFIELD DS1 Switch Type: DMS100 LATA: Detroit MI (340) Tandem: WBFDMIMN20T 🔧 Explore Switch(CLLI: SFLDMIMNDS1))
248-213-4XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	SOUTHFIELD	SFLDMIMNDS1	N/A	Prefix Type: RBOC Switch Name: SOUTHFIELD DS1 Switch Type: DMS100 LATA: Detroit MI (340) Tandem: WBFDMIMN20T 🔧 Explore Switch(CLLI: SFLDMIMNDS1))
248-213-5XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	SOUTHFIELD	SFLDMIMNDS1	N/A	Prefix Type: RBOC Switch Name: SOUTHFIELD DS1 Switch Type: DMS100 LATA: Detroit MI (340) Tandem: WBFDMIMN20T 🔧 Explore Switch(CLLI: SFLDMIMNDS1))
248-223	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	SOUTHFIELD	SFLDMIMNDS0	00/00/0000	Prefix Type: RBOC Switch Name: SOUTHFIELD DS0 Switch Type: DMS100 LATA: Detroit MI (340) Tandem: WBFDMIMN20T 🔧 Explore Switch(CLLI: SFLDMIMNDS0))
248-223 is split into 1,000-number blocks - detail below
248-223-0XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	SOUTHFIELD	SFLDMIMNDS0	N/A	Prefix Type: RBOC Switch Name: SOUTHFIELD DS0 Switch Type: DMS100 LATA: Detroit MI (340) Tandem: WBFDMIMN20T 🔧 Explore Switch(CLLI: SFLDMIMNDS0))
248-223-1XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	SOUTHFIELD	SFLDMIMNDS0	N/A	Prefix Type: RBOC Switch Name: SOUTHFIELD DS0 Switch Type: DMS100 LATA: Detroit MI (340) Tandem: WBFDMIMN20T 🔧 Explore Switch(CLLI: SFLDMIMNDS0))
248-223-2XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	SOUTHFIELD	SFLDMIMNDS0	N/A	Prefix Type: RBOC Switch Name: SOUTHFIELD DS0 Switch Type: DMS100 LATA: Detroit MI (340) Tandem: WBFDMIMN20T 🔧 Explore Switch(CLLI: SFLDMIMNDS0))
248-223-3XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	SOUTHFIELD	SFLDMIMNDS0	N/A	Prefix Type: RBOC Switch Name: SOUTHFIELD DS0 Switch Type: DMS100 LATA: Detroit MI (340) Tandem: WBFDMIMN20T 🔧 Explore Switch(CLLI: SFLDMIMNDS0))
248-223-4XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	SOUTHFIELD	SFLDMIMNDS0	N/A	Prefix Type: RBOC Switch Name: SOUTHFIELD DS0 Switch Type: DMS100 LATA: Detroit MI (340) Tandem: WBFDMIMN20T 🔧 Explore Switch(CLLI: SFLDMIMNDS0))
248-223-5XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	SOUTHFIELD	SFLDMIMNDS0	N/A	Prefix Type: RBOC Switch Name: SOUTHFIELD DS0 Switch Type: DMS100 LATA: Detroit MI (340) Tandem: WBFDMIMN20T 🔧 Explore Switch(CLLI: SFLDMIMNDS0))
248-223-6XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	SOUTHFIELD	SFLDMIMNDS0	N/A	Prefix Type: RBOC Switch Name: SOUTHFIELD DS0 Switch Type: DMS100 LATA: Detroit MI (340) Tandem: WBFDMIMN20T 🔧 Explore Switch(CLLI: SFLDMIMNDS0))
248-223-8XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	SOUTHFIELD	SFLDMIMNDS0	N/A	Prefix Type: RBOC Switch Name: SOUTHFIELD DS0 Switch Type: DMS100 LATA: Detroit MI (340) Tandem: WBFDMIMN20T 🔧 Explore Switch(CLLI: SFLDMIMNDS0))
248-223-9XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	SOUTHFIELD	SFLDMIMNDS0	N/A	Prefix Type: RBOC Switch Name: SOUTHFIELD DS0 Switch Type: DMS100 LATA: Detroit MI (340) Tandem: WBFDMIMN20T 🔧 Explore Switch(CLLI: SFLDMIMNDS0))
248-226 is split into 1,000-number blocks - detail below
248-226-8XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	SOUTHFIELD	SFLDMIMNDS0	10/31/2008	Prefix Type: RBOC Switch Name: SOUTHFIELD DS0 Switch Type: DMS100 LATA: Detroit MI (340) Tandem: WBFDMIMN20T 🔧 Explore Switch(CLLI: SFLDMIMNDS0))
248-236	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	OXFORD	OXFRMIOXDS0	00/00/0000	Prefix Type: RBOC Switch Name: OXFORD Switch Type: EWSD LATA: Detroit MI (340) Tandem: TROYMIMN55T 🔧 Explore Switch(CLLI: OXFRMIOXDS0))
248-236 is split into 1,000-number blocks - detail below
248-236-0XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	OXFORD	OXFRMIOXDS0	N/A	Prefix Type: RBOC Switch Name: OXFORD Switch Type: EWSD LATA: Detroit MI (340) Tandem: TROYMIMN55T 🔧 Explore Switch(CLLI: OXFRMIOXDS0))
248-236-2XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	OXFORD	OXFRMIOXDS0	N/A	Prefix Type: RBOC Switch Name: OXFORD Switch Type: EWSD LATA: Detroit MI (340) Tandem: TROYMIMN55T 🔧 Explore Switch(CLLI: OXFRMIOXDS0))
248-236-4XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	OXFORD	OXFRMIOXDS0	N/A	Prefix Type: RBOC Switch Name: OXFORD Switch Type: EWSD LATA: Detroit MI (340) Tandem: TROYMIMN55T 🔧 Explore Switch(CLLI: OXFRMIOXDS0))
248-236-8XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	OXFORD	OXFRMIOXDS0	N/A	Prefix Type: RBOC Switch Name: OXFORD Switch Type: EWSD LATA: Detroit MI (340) Tandem: TROYMIMN55T 🔧 Explore Switch(CLLI: OXFRMIOXDS0))
248-236-9XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	OXFORD	OXFRMIOXDS0	N/A	Prefix Type: RBOC Switch Name: OXFORD Switch Type: EWSD LATA: Detroit MI (340) Tandem: TROYMIMN55T 🔧 Explore Switch(CLLI: OXFRMIOXDS0))
248-244	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	TROY	TROYMISMDS0	00/00/0000	Prefix Type: RBOC Switch Name: TROY SOMERSET DS0 Switch Type: DMS100 LATA: Detroit MI (340) Tandem: WBFDMIMN20T 🔧 Explore Switch(CLLI: TROYMISMDS0))
248-253	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	PONTIAC	PNTCMIMNDS2	00/00/0000	Prefix Type: RBOC Switch Name: PONTIAC DS2 Switch Type: DMS100 LATA: Detroit MI (340) Tandem: TROYMIMN55T 🔧 Explore Switch(CLLI: PNTCMIMNDS2))
248-258	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	BIRMINGHAM	BRHMMIMNDS0	00/00/0000	Prefix Type: RBOC Switch Name: BIRMINGHAM DS0 Switch Type: EWSD LATA: Detroit MI (340) Tandem: TROYMIMN55T 🔧 Explore Switch(CLLI: BRHMMIMNDS0))
248-262	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	SOUTHFIELD	SFLDMIMNDS1	00/00/0000	Prefix Type: RBOC Switch Name: SOUTHFIELD DS1 Switch Type: DMS100 LATA: Detroit MI (340) Tandem: WBFDMIMN20T 🔧 Explore Switch(CLLI: SFLDMIMNDS1))
248-262 is split into 1,000-number blocks - detail below
248-262-0XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	SOUTHFIELD	SFLDMIMNDS1	N/A	Prefix Type: RBOC Switch Name: SOUTHFIELD DS1 Switch Type: DMS100 LATA: Detroit MI (340) Tandem: WBFDMIMN20T 🔧 Explore Switch(CLLI: SFLDMIMNDS1))
248-262-1XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	SOUTHFIELD	SFLDMIMNDS1	N/A	Prefix Type: RBOC Switch Name: SOUTHFIELD DS1 Switch Type: DMS100 LATA: Detroit MI (340) Tandem: WBFDMIMN20T 🔧 Explore Switch(CLLI: SFLDMIMNDS1))
248-262-2XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	SOUTHFIELD	SFLDMIMNDS1	N/A	Prefix Type: RBOC Switch Name: SOUTHFIELD DS1 Switch Type: DMS100 LATA: Detroit MI (340) Tandem: WBFDMIMN20T 🔧 Explore Switch(CLLI: SFLDMIMNDS1))
248-262-3XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	SOUTHFIELD	SFLDMIMNDS1	N/A	Prefix Type: RBOC Switch Name: SOUTHFIELD DS1 Switch Type: DMS100 LATA: Detroit MI (340) Tandem: WBFDMIMN20T 🔧 Explore Switch(CLLI: SFLDMIMNDS1))
248-262-4XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	SOUTHFIELD	SFLDMIMNDS1	N/A	Prefix Type: RBOC Switch Name: SOUTHFIELD DS1 Switch Type: DMS100 LATA: Detroit MI (340) Tandem: WBFDMIMN20T 🔧 Explore Switch(CLLI: SFLDMIMNDS1))
248-262-6XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	SOUTHFIELD	SFLDMIMNDS1	N/A	Prefix Type: RBOC Switch Name: SOUTHFIELD DS1 Switch Type: DMS100 LATA: Detroit MI (340) Tandem: WBFDMIMN20T 🔧 Explore Switch(CLLI: SFLDMIMNDS1))
248-262-8XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	SOUTHFIELD	SFLDMIMNDS1	N/A	Prefix Type: RBOC Switch Name: SOUTHFIELD DS1 Switch Type: DMS100 LATA: Detroit MI (340) Tandem: WBFDMIMN20T 🔧 Explore Switch(CLLI: SFLDMIMNDS1))
248-262-9XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	SOUTHFIELD	SFLDMIMNDS1	N/A	Prefix Type: RBOC Switch Name: SOUTHFIELD DS1 Switch Type: DMS100 LATA: Detroit MI (340) Tandem: WBFDMIMN20T 🔧 Explore Switch(CLLI: SFLDMIMNDS1))
248-263	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	SOUTHFIELD	SFLDMIMNDS1	00/00/0000	Prefix Type: RBOC Switch Name: SOUTHFIELD DS1 Switch Type: DMS100 LATA: Detroit MI (340) Tandem: WBFDMIMN20T 🔧 Explore Switch(CLLI: SFLDMIMNDS1))
248-263 is split into 1,000-number blocks - detail below
248-263-0XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	SOUTHFIELD	SFLDMIMNDS1	N/A	Prefix Type: RBOC Switch Name: SOUTHFIELD DS1 Switch Type: DMS100 LATA: Detroit MI (340) Tandem: WBFDMIMN20T 🔧 Explore Switch(CLLI: SFLDMIMNDS1))
248-263-2XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	SOUTHFIELD	SFLDMIMNDS1	N/A	Prefix Type: RBOC Switch Name: SOUTHFIELD DS1 Switch Type: DMS100 LATA: Detroit MI (340) Tandem: WBFDMIMN20T 🔧 Explore Switch(CLLI: SFLDMIMNDS1))
248-263-3XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	SOUTHFIELD	SFLDMIMNDS1	N/A	Prefix Type: RBOC Switch Name: SOUTHFIELD DS1 Switch Type: DMS100 LATA: Detroit MI (340) Tandem: WBFDMIMN20T 🔧 Explore Switch(CLLI: SFLDMIMNDS1))
248-263-4XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	SOUTHFIELD	SFLDMIMNDS1	N/A	Prefix Type: RBOC Switch Name: SOUTHFIELD DS1 Switch Type: DMS100 LATA: Detroit MI (340) Tandem: WBFDMIMN20T 🔧 Explore Switch(CLLI: SFLDMIMNDS1))
248-263-5XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	SOUTHFIELD	SFLDMIMNDS1	N/A	Prefix Type: RBOC Switch Name: SOUTHFIELD DS1 Switch Type: DMS100 LATA: Detroit MI (340) Tandem: WBFDMIMN20T 🔧 Explore Switch(CLLI: SFLDMIMNDS1))
248-263-6XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	SOUTHFIELD	SFLDMIMNDS1	N/A	Prefix Type: RBOC Switch Name: SOUTHFIELD DS1 Switch Type: DMS100 LATA: Detroit MI (340) Tandem: WBFDMIMN20T 🔧 Explore Switch(CLLI: SFLDMIMNDS1))
248-263-7XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	SOUTHFIELD	SFLDMIMNDS1	N/A	Prefix Type: RBOC Switch Name: SOUTHFIELD DS1 Switch Type: DMS100 LATA: Detroit MI (340) Tandem: WBFDMIMN20T 🔧 Explore Switch(CLLI: SFLDMIMNDS1))
248-263-8XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	SOUTHFIELD	SFLDMIMNDS1	N/A	Prefix Type: RBOC Switch Name: SOUTHFIELD DS1 Switch Type: DMS100 LATA: Detroit MI (340) Tandem: WBFDMIMN20T 🔧 Explore Switch(CLLI: SFLDMIMNDS1))
248-263-9XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	SOUTHFIELD	SFLDMIMNDS1	N/A	Prefix Type: RBOC Switch Name: SOUTHFIELD DS1 Switch Type: DMS100 LATA: Detroit MI (340) Tandem: WBFDMIMN20T 🔧 Explore Switch(CLLI: SFLDMIMNDS1))
248-265	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	BIRMINGHAM	ABHGMIMNDS0	00/00/0000	Prefix Type: RBOC Switch Name: AUBURN HEIGHTS Switch Type: EWSD LATA: Detroit MI (340) Tandem: WBFDMIMN20T 🔧 Explore Switch(CLLI: ABHGMIMNDS0))
248-265 is split into 1,000-number blocks - detail below
248-265-0XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	BIRMINGHAM	ABHGMIMNDS0	N/A	Prefix Type: RBOC Switch Name: AUBURN HEIGHTS Switch Type: EWSD LATA: Detroit MI (340) Tandem: WBFDMIMN20T 🔧 Explore Switch(CLLI: ABHGMIMNDS0))
248-265-1XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	BIRMINGHAM	ABHGMIMNDS0	N/A	Prefix Type: RBOC Switch Name: AUBURN HEIGHTS Switch Type: EWSD LATA: Detroit MI (340) Tandem: WBFDMIMN20T 🔧 Explore Switch(CLLI: ABHGMIMNDS0))
248-265-2XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	BIRMINGHAM	ABHGMIMNDS0	N/A	Prefix Type: RBOC Switch Name: AUBURN HEIGHTS Switch Type: EWSD LATA: Detroit MI (340) Tandem: WBFDMIMN20T 🔧 Explore Switch(CLLI: ABHGMIMNDS0))
248-265-4XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	BIRMINGHAM	ABHGMIMNDS0	N/A	Prefix Type: RBOC Switch Name: AUBURN HEIGHTS Switch Type: EWSD LATA: Detroit MI (340) Tandem: WBFDMIMN20T 🔧 Explore Switch(CLLI: ABHGMIMNDS0))
248-265-5XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	BIRMINGHAM	ABHGMIMNDS0	N/A	Prefix Type: RBOC Switch Name: AUBURN HEIGHTS Switch Type: EWSD LATA: Detroit MI (340) Tandem: WBFDMIMN20T 🔧 Explore Switch(CLLI: ABHGMIMNDS0))
248-265-6XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	BIRMINGHAM	ABHGMIMNDS0	N/A	Prefix Type: RBOC Switch Name: AUBURN HEIGHTS Switch Type: EWSD LATA: Detroit MI (340) Tandem: WBFDMIMN20T 🔧 Explore Switch(CLLI: ABHGMIMNDS0))
248-265-7XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	BIRMINGHAM	ABHGMIMNDS0	N/A	Prefix Type: RBOC Switch Name: AUBURN HEIGHTS Switch Type: EWSD LATA: Detroit MI (340) Tandem: WBFDMIMN20T 🔧 Explore Switch(CLLI: ABHGMIMNDS0))
248-265-8XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	BIRMINGHAM	ABHGMIMNDS0	N/A	Prefix Type: RBOC Switch Name: AUBURN HEIGHTS Switch Type: EWSD LATA: Detroit MI (340) Tandem: WBFDMIMN20T 🔧 Explore Switch(CLLI: ABHGMIMNDS0))
248-265-9XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	BIRMINGHAM	ABHGMIMNDS0	N/A	Prefix Type: RBOC Switch Name: AUBURN HEIGHTS Switch Type: EWSD LATA: Detroit MI (340) Tandem: WBFDMIMN20T 🔧 Explore Switch(CLLI: ABHGMIMNDS0))
248-267	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	BIRMINGHAM	ABHGMIMNDS0	00/00/0000	Prefix Type: RBOC Switch Name: AUBURN HEIGHTS Switch Type: EWSD LATA: Detroit MI (340) Tandem: WBFDMIMN20T 🔧 Explore Switch(CLLI: ABHGMIMNDS0))
248-269	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	TROY	TROYMISMDS0	00/00/0000	Prefix Type: RBOC Switch Name: TROY SOMERSET DS0 Switch Type: DMS100 LATA: Detroit MI (340) Tandem: WBFDMIMN20T 🔧 Explore Switch(CLLI: TROYMISMDS0))
248-269 is split into 1,000-number blocks - detail below
248-269-0XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	TROY	TROYMISMDS0	N/A	Prefix Type: RBOC Switch Name: TROY SOMERSET DS0 Switch Type: DMS100 LATA: Detroit MI (340) Tandem: WBFDMIMN20T 🔧 Explore Switch(CLLI: TROYMISMDS0))
248-269-1XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	TROY	TROYMISMDS0	N/A	Prefix Type: RBOC Switch Name: TROY SOMERSET DS0 Switch Type: DMS100 LATA: Detroit MI (340) Tandem: WBFDMIMN20T 🔧 Explore Switch(CLLI: TROYMISMDS0))
248-269-2XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	TROY	TROYMISMDS0	N/A	Prefix Type: RBOC Switch Name: TROY SOMERSET DS0 Switch Type: DMS100 LATA: Detroit MI (340) Tandem: WBFDMIMN20T 🔧 Explore Switch(CLLI: TROYMISMDS0))
248-269-4XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	TROY	TROYMISMDS0	N/A	Prefix Type: RBOC Switch Name: TROY SOMERSET DS0 Switch Type: DMS100 LATA: Detroit MI (340) Tandem: WBFDMIMN20T 🔧 Explore Switch(CLLI: TROYMISMDS0))
248-269-5XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	TROY	TROYMISMDS0	N/A	Prefix Type: RBOC Switch Name: TROY SOMERSET DS0 Switch Type: DMS100 LATA: Detroit MI (340) Tandem: WBFDMIMN20T 🔧 Explore Switch(CLLI: TROYMISMDS0))
248-269-6XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	TROY	TROYMISMDS0	N/A	Prefix Type: RBOC Switch Name: TROY SOMERSET DS0 Switch Type: DMS100 LATA: Detroit MI (340) Tandem: WBFDMIMN20T 🔧 Explore Switch(CLLI: TROYMISMDS0))
248-269-7XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	TROY	TROYMISMDS0	N/A	Prefix Type: RBOC Switch Name: TROY SOMERSET DS0 Switch Type: DMS100 LATA: Detroit MI (340) Tandem: WBFDMIMN20T 🔧 Explore Switch(CLLI: TROYMISMDS0))
248-269-8XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	TROY	TROYMISMDS0	N/A	Prefix Type: RBOC Switch Name: TROY SOMERSET DS0 Switch Type: DMS100 LATA: Detroit MI (340) Tandem: WBFDMIMN20T 🔧 Explore Switch(CLLI: TROYMISMDS0))
248-269-9XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	TROY	TROYMISMDS0	N/A	Prefix Type: RBOC Switch Name: TROY SOMERSET DS0 Switch Type: DMS100 LATA: Detroit MI (340) Tandem: WBFDMIMN20T 🔧 Explore Switch(CLLI: TROYMISMDS0))
248-273	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	TROY	TROYMISMDS0	00/00/0000	Prefix Type: RBOC Switch Name: TROY SOMERSET DS0 Switch Type: DMS100 LATA: Detroit MI (340) Tandem: WBFDMIMN20T 🔧 Explore Switch(CLLI: TROYMISMDS0))
248-276	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	PONTIAC	PNTCMINERPA	00/00/0000	Prefix Type: RBOC Switch Name: PONTIAC Switch Type: N/A LATA: Detroit MI (340) Tandem: N/A 🔧 Explore Switch(CLLI: PNTCMINERPA))
248-280	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	ROYAL OAK	TROYMISMDS0	00/00/0000	Prefix Type: RBOC Switch Name: TROY SOMERSET DS0 Switch Type: DMS100 LATA: Detroit MI (340) Tandem: WBFDMIMN20T 🔧 Explore Switch(CLLI: TROYMISMDS0))
248-288	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	ROYAL OAK	TROYMISMDS0	00/00/0000	Prefix Type: RBOC Switch Name: TROY SOMERSET DS0 Switch Type: DMS100 LATA: Detroit MI (340) Tandem: WBFDMIMN20T 🔧 Explore Switch(CLLI: TROYMISMDS0))
248-293	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	AUBURN HTS	ABHGMIMNDS0	00/00/0000	Prefix Type: RBOC Switch Name: AUBURN HEIGHTS Switch Type: EWSD LATA: Detroit MI (340) Tandem: WBFDMIMN20T 🔧 Explore Switch(CLLI: ABHGMIMNDS0))
248-299	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	AUBURN HTS	ABHGMIMNDS0	00/00/0000	Prefix Type: RBOC Switch Name: AUBURN HEIGHTS Switch Type: EWSD LATA: Detroit MI (340) Tandem: WBFDMIMN20T 🔧 Explore Switch(CLLI: ABHGMIMNDS0))
248-304	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	SOUTHFIELD	SFLDMIMNDS0	00/00/0000	Prefix Type: RBOC Switch Name: SOUTHFIELD DS0 Switch Type: DMS100 LATA: Detroit MI (340) Tandem: WBFDMIMN20T 🔧 Explore Switch(CLLI: SFLDMIMNDS0))
248-304 is split into 1,000-number blocks - detail below
248-304-0XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	SOUTHFIELD	SFLDMIMNDS0	N/A	Prefix Type: RBOC Switch Name: SOUTHFIELD DS0 Switch Type: DMS100 LATA: Detroit MI (340) Tandem: WBFDMIMN20T 🔧 Explore Switch(CLLI: SFLDMIMNDS0))
248-304-1XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	SOUTHFIELD	SFLDMIMNDS0	N/A	Prefix Type: RBOC Switch Name: SOUTHFIELD DS0 Switch Type: DMS100 LATA: Detroit MI (340) Tandem: WBFDMIMN20T 🔧 Explore Switch(CLLI: SFLDMIMNDS0))
248-304-2XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	SOUTHFIELD	SFLDMIMNDS0	N/A	Prefix Type: RBOC Switch Name: SOUTHFIELD DS0 Switch Type: DMS100 LATA: Detroit MI (340) Tandem: WBFDMIMN20T 🔧 Explore Switch(CLLI: SFLDMIMNDS0))
248-304-3XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	SOUTHFIELD	SFLDMIMNDS0	N/A	Prefix Type: RBOC Switch Name: SOUTHFIELD DS0 Switch Type: DMS100 LATA: Detroit MI (340) Tandem: WBFDMIMN20T 🔧 Explore Switch(CLLI: SFLDMIMNDS0))
248-304-4XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	SOUTHFIELD	SFLDMIMNDS0	N/A	Prefix Type: RBOC Switch Name: SOUTHFIELD DS0 Switch Type: DMS100 LATA: Detroit MI (340) Tandem: WBFDMIMN20T 🔧 Explore Switch(CLLI: SFLDMIMNDS0))
248-304-5XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	SOUTHFIELD	SFLDMIMNDS0	N/A	Prefix Type: RBOC Switch Name: SOUTHFIELD DS0 Switch Type: DMS100 LATA: Detroit MI (340) Tandem: WBFDMIMN20T 🔧 Explore Switch(CLLI: SFLDMIMNDS0))
248-304-6XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	SOUTHFIELD	SFLDMIMNDS0	N/A	Prefix Type: RBOC Switch Name: SOUTHFIELD DS0 Switch Type: DMS100 LATA: Detroit MI (340) Tandem: WBFDMIMN20T 🔧 Explore Switch(CLLI: SFLDMIMNDS0))
248-304-8XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	SOUTHFIELD	SFLDMIMNDS0	N/A	Prefix Type: RBOC Switch Name: SOUTHFIELD DS0 Switch Type: DMS100 LATA: Detroit MI (340) Tandem: WBFDMIMN20T 🔧 Explore Switch(CLLI: SFLDMIMNDS0))
248-304-9XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	SOUTHFIELD	SFLDMIMNDS0	N/A	Prefix Type: RBOC Switch Name: SOUTHFIELD DS0 Switch Type: DMS100 LATA: Detroit MI (340) Tandem: WBFDMIMN20T 🔧 Explore Switch(CLLI: SFLDMIMNDS0))
248-305	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	NORTHVILLE	NRVLMIMNDS0	00/00/0000	Prefix Type: RBOC Switch Name: NORTHVILLE Switch Type: DMS100 LATA: Detroit MI (340) Tandem: ANARMIMN20T 🔧 Explore Switch(CLLI: NRVLMIMNDS0))
248-305 is split into 1,000-number blocks - detail below
248-305-3XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	NORTHVILLE	NRVLMIMNDS0	N/A	Prefix Type: RBOC Switch Name: NORTHVILLE Switch Type: DMS100 LATA: Detroit MI (340) Tandem: ANARMIMN20T 🔧 Explore Switch(CLLI: NRVLMIMNDS0))
248-305-4XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	NORTHVILLE	NRVLMIMNDS0	N/A	Prefix Type: RBOC Switch Name: NORTHVILLE Switch Type: DMS100 LATA: Detroit MI (340) Tandem: ANARMIMN20T 🔧 Explore Switch(CLLI: NRVLMIMNDS0))
248-305-5XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	NORTHVILLE	NRVLMIMNDS0	N/A	Prefix Type: RBOC Switch Name: NORTHVILLE Switch Type: DMS100 LATA: Detroit MI (340) Tandem: ANARMIMN20T 🔧 Explore Switch(CLLI: NRVLMIMNDS0))
248-305-6XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	NORTHVILLE	NRVLMIMNDS0	N/A	Prefix Type: RBOC Switch Name: NORTHVILLE Switch Type: DMS100 LATA: Detroit MI (340) Tandem: ANARMIMN20T 🔧 Explore Switch(CLLI: NRVLMIMNDS0))
248-305-7XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	NORTHVILLE	NRVLMIMNDS0	N/A	Prefix Type: RBOC Switch Name: NORTHVILLE Switch Type: DMS100 LATA: Detroit MI (340) Tandem: ANARMIMN20T 🔧 Explore Switch(CLLI: NRVLMIMNDS0))
248-305-8XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	NORTHVILLE	NRVLMIMNDS0	N/A	Prefix Type: RBOC Switch Name: NORTHVILLE Switch Type: DMS100 LATA: Detroit MI (340) Tandem: ANARMIMN20T 🔧 Explore Switch(CLLI: NRVLMIMNDS0))
248-305-9XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	NORTHVILLE	NRVLMIMNDS0	N/A	Prefix Type: RBOC Switch Name: NORTHVILLE Switch Type: DMS100 LATA: Detroit MI (340) Tandem: ANARMIMN20T 🔧 Explore Switch(CLLI: NRVLMIMNDS0))
248-307	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	ROYAL OAK	TROYMIMNRPA	00/00/0000	Prefix Type: RBOC Switch Name: TROY Switch Type: N/A LATA: Detroit MI (340) Tandem: N/A 🔧 Explore Switch(CLLI: TROYMIMNRPA))
248-307 is split into 1,000-number blocks - detail below
248-307-0XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	ROYAL OAK	TROYMIMNRPA	N/A	Prefix Type: RBOC Switch Name: TROY Switch Type: N/A LATA: Detroit MI (340) Tandem: N/A 🔧 Explore Switch(CLLI: TROYMIMNRPA))
248-307-1XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	ROYAL OAK	TROYMIMNRPA	N/A	Prefix Type: RBOC Switch Name: TROY Switch Type: N/A LATA: Detroit MI (340) Tandem: N/A 🔧 Explore Switch(CLLI: TROYMIMNRPA))
248-307-2XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	ROYAL OAK	TROYMIMNRPA	N/A	Prefix Type: RBOC Switch Name: TROY Switch Type: N/A LATA: Detroit MI (340) Tandem: N/A 🔧 Explore Switch(CLLI: TROYMIMNRPA))
248-307-3XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	ROYAL OAK	TROYMIMNRPA	N/A	Prefix Type: RBOC Switch Name: TROY Switch Type: N/A LATA: Detroit MI (340) Tandem: N/A 🔧 Explore Switch(CLLI: TROYMIMNRPA))
248-307-4XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	ROYAL OAK	TROYMIMNRPA	N/A	Prefix Type: RBOC Switch Name: TROY Switch Type: N/A LATA: Detroit MI (340) Tandem: N/A 🔧 Explore Switch(CLLI: TROYMIMNRPA))
248-307-5XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	ROYAL OAK	TROYMIMNRPA	N/A	Prefix Type: RBOC Switch Name: TROY Switch Type: N/A LATA: Detroit MI (340) Tandem: N/A 🔧 Explore Switch(CLLI: TROYMIMNRPA))
248-307-9XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	ROYAL OAK	TROYMIMNRPA	N/A	Prefix Type: RBOC Switch Name: TROY Switch Type: N/A LATA: Detroit MI (340) Tandem: N/A 🔧 Explore Switch(CLLI: TROYMIMNRPA))
248-312	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	BIRMINGHAM	ABHGMIMNDS0	00/00/0000	Prefix Type: RBOC Switch Name: AUBURN HEIGHTS Switch Type: EWSD LATA: Detroit MI (340) Tandem: WBFDMIMN20T 🔧 Explore Switch(CLLI: ABHGMIMNDS0))
248-312 is split into 1,000-number blocks - detail below
248-312-0XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	BIRMINGHAM	ABHGMIMNDS0	N/A	Prefix Type: RBOC Switch Name: AUBURN HEIGHTS Switch Type: EWSD LATA: Detroit MI (340) Tandem: WBFDMIMN20T 🔧 Explore Switch(CLLI: ABHGMIMNDS0))
248-312-1XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	BIRMINGHAM	ABHGMIMNDS0	N/A	Prefix Type: RBOC Switch Name: AUBURN HEIGHTS Switch Type: EWSD LATA: Detroit MI (340) Tandem: WBFDMIMN20T 🔧 Explore Switch(CLLI: ABHGMIMNDS0))
248-312-2XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	BIRMINGHAM	ABHGMIMNDS0	N/A	Prefix Type: RBOC Switch Name: AUBURN HEIGHTS Switch Type: EWSD LATA: Detroit MI (340) Tandem: WBFDMIMN20T 🔧 Explore Switch(CLLI: ABHGMIMNDS0))
248-312-3XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	BIRMINGHAM	ABHGMIMNDS0	N/A	Prefix Type: RBOC Switch Name: AUBURN HEIGHTS Switch Type: EWSD LATA: Detroit MI (340) Tandem: WBFDMIMN20T 🔧 Explore Switch(CLLI: ABHGMIMNDS0))
248-312-4XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	BIRMINGHAM	ABHGMIMNDS0	N/A	Prefix Type: RBOC Switch Name: AUBURN HEIGHTS Switch Type: EWSD LATA: Detroit MI (340) Tandem: WBFDMIMN20T 🔧 Explore Switch(CLLI: ABHGMIMNDS0))
248-312-5XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	BIRMINGHAM	ABHGMIMNDS0	N/A	Prefix Type: RBOC Switch Name: AUBURN HEIGHTS Switch Type: EWSD LATA: Detroit MI (340) Tandem: WBFDMIMN20T 🔧 Explore Switch(CLLI: ABHGMIMNDS0))
248-312-6XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	BIRMINGHAM	ABHGMIMNDS0	N/A	Prefix Type: RBOC Switch Name: AUBURN HEIGHTS Switch Type: EWSD LATA: Detroit MI (340) Tandem: WBFDMIMN20T 🔧 Explore Switch(CLLI: ABHGMIMNDS0))
248-312-7XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	BIRMINGHAM	ABHGMIMNDS0	N/A	Prefix Type: RBOC Switch Name: AUBURN HEIGHTS Switch Type: EWSD LATA: Detroit MI (340) Tandem: WBFDMIMN20T 🔧 Explore Switch(CLLI: ABHGMIMNDS0))
248-322	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	PONTIAC	PNTCMIMNDS2	00/00/0000	Prefix Type: RBOC Switch Name: PONTIAC DS2 Switch Type: DMS100 LATA: Detroit MI (340) Tandem: TROYMIMN55T 🔧 Explore Switch(CLLI: PNTCMIMNDS2))
248-324	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	FARMINGTON	FMHLMIFHDS0	00/00/0000	Prefix Type: RBOC Switch Name: FARMINGTON HILLS Switch Type: DMS100 LATA: Detroit MI (340) Tandem: WBFDMIMN20T 🔧 Explore Switch(CLLI: FMHLMIFHDS0))
248-324 is split into 1,000-number blocks - detail below
248-324-0XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	FARMINGTON	FMHLMIFHDS0	N/A	Prefix Type: RBOC Switch Name: FARMINGTON HILLS Switch Type: DMS100 LATA: Detroit MI (340) Tandem: WBFDMIMN20T 🔧 Explore Switch(CLLI: FMHLMIFHDS0))
248-324-1XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	FARMINGTON	FMHLMIFHDS0	N/A	Prefix Type: RBOC Switch Name: FARMINGTON HILLS Switch Type: DMS100 LATA: Detroit MI (340) Tandem: WBFDMIMN20T 🔧 Explore Switch(CLLI: FMHLMIFHDS0))
248-324-2XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	FARMINGTON	FMHLMIFHDS0	N/A	Prefix Type: RBOC Switch Name: FARMINGTON HILLS Switch Type: DMS100 LATA: Detroit MI (340) Tandem: WBFDMIMN20T 🔧 Explore Switch(CLLI: FMHLMIFHDS0))
248-324-3XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	FARMINGTON	FMHLMIFHDS0	N/A	Prefix Type: RBOC Switch Name: FARMINGTON HILLS Switch Type: DMS100 LATA: Detroit MI (340) Tandem: WBFDMIMN20T 🔧 Explore Switch(CLLI: FMHLMIFHDS0))
248-324-4XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	FARMINGTON	FMHLMIFHDS0	N/A	Prefix Type: RBOC Switch Name: FARMINGTON HILLS Switch Type: DMS100 LATA: Detroit MI (340) Tandem: WBFDMIMN20T 🔧 Explore Switch(CLLI: FMHLMIFHDS0))
248-324-5XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	FARMINGTON	FMHLMIFHDS0	N/A	Prefix Type: RBOC Switch Name: FARMINGTON HILLS Switch Type: DMS100 LATA: Detroit MI (340) Tandem: WBFDMIMN20T 🔧 Explore Switch(CLLI: FMHLMIFHDS0))
248-324-6XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	FARMINGTON	FMHLMIFHDS0	N/A	Prefix Type: RBOC Switch Name: FARMINGTON HILLS Switch Type: DMS100 LATA: Detroit MI (340) Tandem: WBFDMIMN20T 🔧 Explore Switch(CLLI: FMHLMIFHDS0))
248-324-7XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	FARMINGTON	FMHLMIFHDS0	N/A	Prefix Type: RBOC Switch Name: FARMINGTON HILLS Switch Type: DMS100 LATA: Detroit MI (340) Tandem: WBFDMIMN20T 🔧 Explore Switch(CLLI: FMHLMIFHDS0))
248-324-9XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	FARMINGTON	FMHLMIFHDS0	N/A	Prefix Type: RBOC Switch Name: FARMINGTON HILLS Switch Type: DMS100 LATA: Detroit MI (340) Tandem: WBFDMIMN20T 🔧 Explore Switch(CLLI: FMHLMIFHDS0))
248-325	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	W BLOOMFLD	FMHLMIFHDS0	08/06/2008	Prefix Type: RBOC Switch Name: FARMINGTON HILLS Switch Type: DMS100 LATA: Detroit MI (340) Tandem: WBFDMIMN20T 🔧 Explore Switch(CLLI: FMHLMIFHDS0))
248-325 is split into 1,000-number blocks - detail below
248-325-0XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	W BLOOMFLD	FMHLMIFHDS0	08/07/2008	Prefix Type: RBOC Switch Name: FARMINGTON HILLS Switch Type: DMS100 LATA: Detroit MI (340) Tandem: WBFDMIMN20T 🔧 Explore Switch(CLLI: FMHLMIFHDS0))
248-325-1XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	W BLOOMFLD	FMHLMIFHDS0	08/07/2008	Prefix Type: RBOC Switch Name: FARMINGTON HILLS Switch Type: DMS100 LATA: Detroit MI (340) Tandem: WBFDMIMN20T 🔧 Explore Switch(CLLI: FMHLMIFHDS0))
248-325-2XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	W BLOOMFLD	FMHLMIFHDS0	08/07/2008	Prefix Type: RBOC Switch Name: FARMINGTON HILLS Switch Type: DMS100 LATA: Detroit MI (340) Tandem: WBFDMIMN20T 🔧 Explore Switch(CLLI: FMHLMIFHDS0))
248-325-3XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	W BLOOMFLD	FMHLMIFHDS0	08/07/2008	Prefix Type: RBOC Switch Name: FARMINGTON HILLS Switch Type: DMS100 LATA: Detroit MI (340) Tandem: WBFDMIMN20T 🔧 Explore Switch(CLLI: FMHLMIFHDS0))
248-328	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	HOLLY	HLLYMIHYRS1	00/00/0000	Prefix Type: RBOC Switch Name: HOLLY RS1 Switch Type: N/A LATA: Detroit MI (340) Tandem: TROYMIMN55T 🔧 Explore Switch(CLLI: HLLYMIHYRS1))
248-328 is split into 1,000-number blocks - detail below
248-328-0XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	HOLLY	HLLYMIHYRS1	N/A	Prefix Type: RBOC Switch Name: HOLLY RS1 Switch Type: N/A LATA: Detroit MI (340) Tandem: TROYMIMN55T 🔧 Explore Switch(CLLI: HLLYMIHYRS1))
248-328-1XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	HOLLY	HLLYMIHYRS1	N/A	Prefix Type: RBOC Switch Name: HOLLY RS1 Switch Type: N/A LATA: Detroit MI (340) Tandem: TROYMIMN55T 🔧 Explore Switch(CLLI: HLLYMIHYRS1))
248-328-3XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	HOLLY	HLLYMIHYRS1	N/A	Prefix Type: RBOC Switch Name: HOLLY RS1 Switch Type: N/A LATA: Detroit MI (340) Tandem: TROYMIMN55T 🔧 Explore Switch(CLLI: HLLYMIHYRS1))
248-328-8XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	HOLLY	HLLYMIHYRS1	N/A	Prefix Type: RBOC Switch Name: HOLLY RS1 Switch Type: N/A LATA: Detroit MI (340) Tandem: TROYMIMN55T 🔧 Explore Switch(CLLI: HLLYMIHYRS1))
248-328-9XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	HOLLY	HLLYMIHYRS1	N/A	Prefix Type: RBOC Switch Name: HOLLY RS1 Switch Type: N/A LATA: Detroit MI (340) Tandem: TROYMIMN55T 🔧 Explore Switch(CLLI: HLLYMIHYRS1))
248-331	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	SOUTHFIELD	SFLDMIOKDS0	00/00/0000	Prefix Type: RBOC Switch Name: SFLD OAKFIELD DS0 Switch Type: 5ESS LATA: Detroit MI (340) Tandem: WBFDMIMN20T 🔧 Explore Switch(CLLI: SFLDMIOKDS0))
248-331 is split into 1,000-number blocks - detail below
248-331-0XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	SOUTHFIELD	SFLDMIOKDS0	N/A	Prefix Type: RBOC Switch Name: SFLD OAKFIELD DS0 Switch Type: 5ESS LATA: Detroit MI (340) Tandem: WBFDMIMN20T 🔧 Explore Switch(CLLI: SFLDMIOKDS0))
248-331-1XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	SOUTHFIELD	SFLDMIOKDS0	N/A	Prefix Type: RBOC Switch Name: SFLD OAKFIELD DS0 Switch Type: 5ESS LATA: Detroit MI (340) Tandem: WBFDMIMN20T 🔧 Explore Switch(CLLI: SFLDMIOKDS0))
248-331-4XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	SOUTHFIELD	SFLDMIOKDS0	N/A	Prefix Type: RBOC Switch Name: SFLD OAKFIELD DS0 Switch Type: 5ESS LATA: Detroit MI (340) Tandem: WBFDMIMN20T 🔧 Explore Switch(CLLI: SFLDMIOKDS0))
248-332	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	PONTIAC	PNTCMIMNDS2	00/00/0000	Prefix Type: RBOC Switch Name: PONTIAC DS2 Switch Type: DMS100 LATA: Detroit MI (340) Tandem: TROYMIMN55T 🔧 Explore Switch(CLLI: PNTCMIMNDS2))
248-333	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	PONTIAC	PNTCMIMNDS2	00/00/0000	Prefix Type: RBOC Switch Name: PONTIAC DS2 Switch Type: DMS100 LATA: Detroit MI (340) Tandem: TROYMIMN55T 🔧 Explore Switch(CLLI: PNTCMIMNDS2))
248-334	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	PONTIAC	PNTCMIMNDS2	00/00/0000	Prefix Type: RBOC Switch Name: PONTIAC DS2 Switch Type: DMS100 LATA: Detroit MI (340) Tandem: TROYMIMN55T 🔧 Explore Switch(CLLI: PNTCMIMNDS2))
248-335	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	PONTIAC	PNTCMIMNDS2	00/00/0000	Prefix Type: RBOC Switch Name: PONTIAC DS2 Switch Type: DMS100 LATA: Detroit MI (340) Tandem: TROYMIMN55T 🔧 Explore Switch(CLLI: PNTCMIMNDS2))
248-336	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	ROYAL OAK	RYLOMIMNDS0	00/00/0000	Prefix Type: RBOC Switch Name: ROYAL OAK DS0 Switch Type: 5ESS LATA: Detroit MI (340) Tandem: WBFDMIMN20T 🔧 Explore Switch(CLLI: RYLOMIMNDS0))
248-338	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	PONTIAC	PNTCMIMNDS2	00/00/0000	Prefix Type: RBOC Switch Name: PONTIAC DS2 Switch Type: DMS100 LATA: Detroit MI (340) Tandem: TROYMIMN55T 🔧 Explore Switch(CLLI: PNTCMIMNDS2))
248-339	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	PONTIAC	PNTCMINERPA	00/00/0000	Prefix Type: RBOC Switch Name: PONTIAC Switch Type: N/A LATA: Detroit MI (340) Tandem: N/A 🔧 Explore Switch(CLLI: PNTCMINERPA))
248-339 is split into 1,000-number blocks - detail below
248-339-0XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	PONTIAC	PNTCMINERPA	N/A	Prefix Type: RBOC Switch Name: PONTIAC Switch Type: N/A LATA: Detroit MI (340) Tandem: N/A 🔧 Explore Switch(CLLI: PNTCMINERPA))
248-339-1XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	PONTIAC	PNTCMINERPA	N/A	Prefix Type: RBOC Switch Name: PONTIAC Switch Type: N/A LATA: Detroit MI (340) Tandem: N/A 🔧 Explore Switch(CLLI: PNTCMINERPA))
248-339-2XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	PONTIAC	PNTCMINERPA	N/A	Prefix Type: RBOC Switch Name: PONTIAC Switch Type: N/A LATA: Detroit MI (340) Tandem: N/A 🔧 Explore Switch(CLLI: PNTCMINERPA))
248-339-3XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	PONTIAC	PNTCMINERPA	N/A	Prefix Type: RBOC Switch Name: PONTIAC Switch Type: N/A LATA: Detroit MI (340) Tandem: N/A 🔧 Explore Switch(CLLI: PNTCMINERPA))
248-339-4XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	PONTIAC	PNTCMINERPA	N/A	Prefix Type: RBOC Switch Name: PONTIAC Switch Type: N/A LATA: Detroit MI (340) Tandem: N/A 🔧 Explore Switch(CLLI: PNTCMINERPA))
248-339-5XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	PONTIAC	PNTCMINERPA	N/A	Prefix Type: RBOC Switch Name: PONTIAC Switch Type: N/A LATA: Detroit MI (340) Tandem: N/A 🔧 Explore Switch(CLLI: PNTCMINERPA))
248-339-7XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	PONTIAC	PNTCMINERPA	N/A	Prefix Type: RBOC Switch Name: PONTIAC Switch Type: N/A LATA: Detroit MI (340) Tandem: N/A 🔧 Explore Switch(CLLI: PNTCMINERPA))
248-339-8XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	PONTIAC	PNTCMINERPA	N/A	Prefix Type: RBOC Switch Name: PONTIAC Switch Type: N/A LATA: Detroit MI (340) Tandem: N/A 🔧 Explore Switch(CLLI: PNTCMINERPA))
248-339-9XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	PONTIAC	PNTCMINERPA	N/A	Prefix Type: RBOC Switch Name: PONTIAC Switch Type: N/A LATA: Detroit MI (340) Tandem: N/A 🔧 Explore Switch(CLLI: PNTCMINERPA))
248-340	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	PONTIAC	PNTCMINERPA	00/00/0000	Prefix Type: RBOC Switch Name: PONTIAC Switch Type: N/A LATA: Detroit MI (340) Tandem: N/A 🔧 Explore Switch(CLLI: PNTCMINERPA))
248-340 is split into 1,000-number blocks - detail below
248-340-0XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	PONTIAC	PNTCMINERPA	N/A	Prefix Type: RBOC Switch Name: PONTIAC Switch Type: N/A LATA: Detroit MI (340) Tandem: N/A 🔧 Explore Switch(CLLI: PNTCMINERPA))
248-340-1XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	PONTIAC	PNTCMINERPA	N/A	Prefix Type: RBOC Switch Name: PONTIAC Switch Type: N/A LATA: Detroit MI (340) Tandem: N/A 🔧 Explore Switch(CLLI: PNTCMINERPA))
248-340-2XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	PONTIAC	PNTCMINERPA	N/A	Prefix Type: RBOC Switch Name: PONTIAC Switch Type: N/A LATA: Detroit MI (340) Tandem: N/A 🔧 Explore Switch(CLLI: PNTCMINERPA))
248-340-4XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	PONTIAC	PNTCMINERPA	N/A	Prefix Type: RBOC Switch Name: PONTIAC Switch Type: N/A LATA: Detroit MI (340) Tandem: N/A 🔧 Explore Switch(CLLI: PNTCMINERPA))
248-340-5XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	PONTIAC	PNTCMINERPA	N/A	Prefix Type: RBOC Switch Name: PONTIAC Switch Type: N/A LATA: Detroit MI (340) Tandem: N/A 🔧 Explore Switch(CLLI: PNTCMINERPA))
248-340-6XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	PONTIAC	PNTCMINERPA	N/A	Prefix Type: RBOC Switch Name: PONTIAC Switch Type: N/A LATA: Detroit MI (340) Tandem: N/A 🔧 Explore Switch(CLLI: PNTCMINERPA))
248-340-7XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	PONTIAC	PNTCMINERPA	N/A	Prefix Type: RBOC Switch Name: PONTIAC Switch Type: N/A LATA: Detroit MI (340) Tandem: N/A 🔧 Explore Switch(CLLI: PNTCMINERPA))
248-340-8XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	PONTIAC	PNTCMINERPA	N/A	Prefix Type: RBOC Switch Name: PONTIAC Switch Type: N/A LATA: Detroit MI (340) Tandem: N/A 🔧 Explore Switch(CLLI: PNTCMINERPA))
248-340-9XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	PONTIAC	PNTCMINERPA	N/A	Prefix Type: RBOC Switch Name: PONTIAC Switch Type: N/A LATA: Detroit MI (340) Tandem: N/A 🔧 Explore Switch(CLLI: PNTCMINERPA))
248-344	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	NORTHVILLE	NRVLMIMNDS0	00/00/0000	Prefix Type: RBOC Switch Name: NORTHVILLE Switch Type: DMS100 LATA: Detroit MI (340) Tandem: ANARMIMN20T 🔧 Explore Switch(CLLI: NRVLMIMNDS0))
248-347	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	NORTHVILLE	NRVLMIMNDS0	00/00/0000	Prefix Type: RBOC Switch Name: NORTHVILLE Switch Type: DMS100 LATA: Detroit MI (340) Tandem: ANARMIMN20T 🔧 Explore Switch(CLLI: NRVLMIMNDS0))
248-348	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	NORTHVILLE	NRVLMIMNDS0	00/00/0000	Prefix Type: RBOC Switch Name: NORTHVILLE Switch Type: DMS100 LATA: Detroit MI (340) Tandem: ANARMIMN20T 🔧 Explore Switch(CLLI: NRVLMIMNDS0))
248-349	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	NORTHVILLE	NRVLMIMNDS0	00/00/0000	Prefix Type: RBOC Switch Name: NORTHVILLE Switch Type: DMS100 LATA: Detroit MI (340) Tandem: ANARMIMN20T 🔧 Explore Switch(CLLI: NRVLMIMNDS0))
248-350	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	SOUTHFIELD	SFLDMIMNDS1	00/00/0000	Prefix Type: RBOC Switch Name: SOUTHFIELD DS1 Switch Type: DMS100 LATA: Detroit MI (340) Tandem: WBFDMIMN20T 🔧 Explore Switch(CLLI: SFLDMIMNDS1))
248-351	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	SOUTHFIELD	SFLDMIMNDS1	00/00/0000	Prefix Type: RBOC Switch Name: SOUTHFIELD DS1 Switch Type: DMS100 LATA: Detroit MI (340) Tandem: WBFDMIMN20T 🔧 Explore Switch(CLLI: SFLDMIMNDS1))
248-352	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	SOUTHFIELD	SFLDMIMNDS1	00/00/0000	Prefix Type: RBOC Switch Name: SOUTHFIELD DS1 Switch Type: DMS100 LATA: Detroit MI (340) Tandem: WBFDMIMN20T 🔧 Explore Switch(CLLI: SFLDMIMNDS1))
248-353	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	SOUTHFIELD	SFLDMIMNDS1	00/00/0000	Prefix Type: RBOC Switch Name: SOUTHFIELD DS1 Switch Type: DMS100 LATA: Detroit MI (340) Tandem: WBFDMIMN20T 🔧 Explore Switch(CLLI: SFLDMIMNDS1))
248-354	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	SOUTHFIELD	SFLDMIMNDS1	00/00/0000	Prefix Type: RBOC Switch Name: SOUTHFIELD DS1 Switch Type: DMS100 LATA: Detroit MI (340) Tandem: WBFDMIMN20T 🔧 Explore Switch(CLLI: SFLDMIMNDS1))
248-355	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	SOUTHFIELD	SFLDMIMNDS1	00/00/0000	Prefix Type: RBOC Switch Name: SOUTHFIELD DS1 Switch Type: DMS100 LATA: Detroit MI (340) Tandem: WBFDMIMN20T 🔧 Explore Switch(CLLI: SFLDMIMNDS1))
248-356	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	SOUTHFIELD	SFLDMIMNDS1	00/00/0000	Prefix Type: RBOC Switch Name: SOUTHFIELD DS1 Switch Type: DMS100 LATA: Detroit MI (340) Tandem: WBFDMIMN20T 🔧 Explore Switch(CLLI: SFLDMIMNDS1))
248-357	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	SOUTHFIELD	SFLDMIMNDS1	00/00/0000	Prefix Type: RBOC Switch Name: SOUTHFIELD DS1 Switch Type: DMS100 LATA: Detroit MI (340) Tandem: WBFDMIMN20T 🔧 Explore Switch(CLLI: SFLDMIMNDS1))
248-358	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	SOUTHFIELD	SFLDMIMNDS1	00/00/0000	Prefix Type: RBOC Switch Name: SOUTHFIELD DS1 Switch Type: DMS100 LATA: Detroit MI (340) Tandem: WBFDMIMN20T 🔧 Explore Switch(CLLI: SFLDMIMNDS1))
248-359	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	SOUTHFIELD	SFLDMIMNDS0	00/00/0000	Prefix Type: RBOC Switch Name: SOUTHFIELD DS0 Switch Type: DMS100 LATA: Detroit MI (340) Tandem: WBFDMIMN20T 🔧 Explore Switch(CLLI: SFLDMIMNDS0))
248-359 is split into 1,000-number blocks - detail below
248-359-0XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	SOUTHFIELD	SFLDMIMNDS0	N/A	Prefix Type: RBOC Switch Name: SOUTHFIELD DS0 Switch Type: DMS100 LATA: Detroit MI (340) Tandem: WBFDMIMN20T 🔧 Explore Switch(CLLI: SFLDMIMNDS0))
248-359-1XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	SOUTHFIELD	SFLDMIMNDS0	N/A	Prefix Type: RBOC Switch Name: SOUTHFIELD DS0 Switch Type: DMS100 LATA: Detroit MI (340) Tandem: WBFDMIMN20T 🔧 Explore Switch(CLLI: SFLDMIMNDS0))
248-359-2XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	SOUTHFIELD	SFLDMIMNDS0	N/A	Prefix Type: RBOC Switch Name: SOUTHFIELD DS0 Switch Type: DMS100 LATA: Detroit MI (340) Tandem: WBFDMIMN20T 🔧 Explore Switch(CLLI: SFLDMIMNDS0))
248-359-3XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	SOUTHFIELD	SFLDMIMNDS0	N/A	Prefix Type: RBOC Switch Name: SOUTHFIELD DS0 Switch Type: DMS100 LATA: Detroit MI (340) Tandem: WBFDMIMN20T 🔧 Explore Switch(CLLI: SFLDMIMNDS0))
248-359-4XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	SOUTHFIELD	SFLDMIMNDS0	N/A	Prefix Type: RBOC Switch Name: SOUTHFIELD DS0 Switch Type: DMS100 LATA: Detroit MI (340) Tandem: WBFDMIMN20T 🔧 Explore Switch(CLLI: SFLDMIMNDS0))
248-359-5XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	SOUTHFIELD	SFLDMIMNDS0	N/A	Prefix Type: RBOC Switch Name: SOUTHFIELD DS0 Switch Type: DMS100 LATA: Detroit MI (340) Tandem: WBFDMIMN20T 🔧 Explore Switch(CLLI: SFLDMIMNDS0))
248-359-6XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	SOUTHFIELD	SFLDMIMNDS0	N/A	Prefix Type: RBOC Switch Name: SOUTHFIELD DS0 Switch Type: DMS100 LATA: Detroit MI (340) Tandem: WBFDMIMN20T 🔧 Explore Switch(CLLI: SFLDMIMNDS0))
248-359-7XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	SOUTHFIELD	SFLDMIMNDS0	N/A	Prefix Type: RBOC Switch Name: SOUTHFIELD DS0 Switch Type: DMS100 LATA: Detroit MI (340) Tandem: WBFDMIMN20T 🔧 Explore Switch(CLLI: SFLDMIMNDS0))
248-359-9XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	SOUTHFIELD	SFLDMIMNDS0	N/A	Prefix Type: RBOC Switch Name: SOUTHFIELD DS0 Switch Type: DMS100 LATA: Detroit MI (340) Tandem: WBFDMIMN20T 🔧 Explore Switch(CLLI: SFLDMIMNDS0))
248-360	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	COMMERCE	CMRCMICMDS0	00/00/0000	Prefix Type: RBOC Switch Name: COMMERCE DS0 Switch Type: EWSD LATA: Detroit MI (340) Tandem: WBFDMIMN20T 🔧 Explore Switch(CLLI: CMRCMICMDS0))
248-362	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	TROY	TROYMISMDS0	00/00/0000	Prefix Type: RBOC Switch Name: TROY SOMERSET DS0 Switch Type: DMS100 LATA: Detroit MI (340) Tandem: WBFDMIMN20T 🔧 Explore Switch(CLLI: TROYMISMDS0))
248-363	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	COMMERCE	CMRCMICMDS0	00/00/0000	Prefix Type: RBOC Switch Name: COMMERCE DS0 Switch Type: EWSD LATA: Detroit MI (340) Tandem: WBFDMIMN20T 🔧 Explore Switch(CLLI: CMRCMICMDS0))
248-364	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	PONTIAC	PNTCMINERPA	00/00/0000	Prefix Type: RBOC Switch Name: PONTIAC Switch Type: N/A LATA: Detroit MI (340) Tandem: N/A 🔧 Explore Switch(CLLI: PNTCMINERPA))
248-366	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	COMMERCE	CMRCMICMDS0	00/00/0000	Prefix Type: RBOC Switch Name: COMMERCE DS0 Switch Type: EWSD LATA: Detroit MI (340) Tandem: WBFDMIMN20T 🔧 Explore Switch(CLLI: CMRCMICMDS0))
248-366 is split into 1,000-number blocks - detail below
248-366-0XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	COMMERCE	CMRCMICMDS0	N/A	Prefix Type: RBOC Switch Name: COMMERCE DS0 Switch Type: EWSD LATA: Detroit MI (340) Tandem: WBFDMIMN20T 🔧 Explore Switch(CLLI: CMRCMICMDS0))
248-366-1XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	COMMERCE	CMRCMICMDS0	N/A	Prefix Type: RBOC Switch Name: COMMERCE DS0 Switch Type: EWSD LATA: Detroit MI (340) Tandem: WBFDMIMN20T 🔧 Explore Switch(CLLI: CMRCMICMDS0))
248-366-2XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	COMMERCE	CMRCMICMDS0	N/A	Prefix Type: RBOC Switch Name: COMMERCE DS0 Switch Type: EWSD LATA: Detroit MI (340) Tandem: WBFDMIMN20T 🔧 Explore Switch(CLLI: CMRCMICMDS0))
248-366-3XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	COMMERCE	CMRCMICMDS0	N/A	Prefix Type: RBOC Switch Name: COMMERCE DS0 Switch Type: EWSD LATA: Detroit MI (340) Tandem: WBFDMIMN20T 🔧 Explore Switch(CLLI: CMRCMICMDS0))
248-366-5XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	COMMERCE	CMRCMICMDS0	N/A	Prefix Type: RBOC Switch Name: COMMERCE DS0 Switch Type: EWSD LATA: Detroit MI (340) Tandem: WBFDMIMN20T 🔧 Explore Switch(CLLI: CMRCMICMDS0))
248-366-6XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	COMMERCE	CMRCMICMDS0	N/A	Prefix Type: RBOC Switch Name: COMMERCE DS0 Switch Type: EWSD LATA: Detroit MI (340) Tandem: WBFDMIMN20T 🔧 Explore Switch(CLLI: CMRCMICMDS0))
248-366-7XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	COMMERCE	CMRCMICMDS0	N/A	Prefix Type: RBOC Switch Name: COMMERCE DS0 Switch Type: EWSD LATA: Detroit MI (340) Tandem: WBFDMIMN20T 🔧 Explore Switch(CLLI: CMRCMICMDS0))
248-366-8XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	COMMERCE	CMRCMICMDS0	N/A	Prefix Type: RBOC Switch Name: COMMERCE DS0 Switch Type: EWSD LATA: Detroit MI (340) Tandem: WBFDMIMN20T 🔧 Explore Switch(CLLI: CMRCMICMDS0))
248-366-9XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	COMMERCE	CMRCMICMDS0	N/A	Prefix Type: RBOC Switch Name: COMMERCE DS0 Switch Type: EWSD LATA: Detroit MI (340) Tandem: WBFDMIMN20T 🔧 Explore Switch(CLLI: CMRCMICMDS0))
248-368	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	SOUTHFIELD	SFLDMIMNDS1	00/00/0000	Prefix Type: RBOC Switch Name: SOUTHFIELD DS1 Switch Type: DMS100 LATA: Detroit MI (340) Tandem: WBFDMIMN20T 🔧 Explore Switch(CLLI: SFLDMIMNDS1))
248-368 is split into 1,000-number blocks - detail below
248-368-1XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	SOUTHFIELD	SFLDMIMNDS1	N/A	Prefix Type: RBOC Switch Name: SOUTHFIELD DS1 Switch Type: DMS100 LATA: Detroit MI (340) Tandem: WBFDMIMN20T 🔧 Explore Switch(CLLI: SFLDMIMNDS1))
248-368-2XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	SOUTHFIELD	SFLDMIMNDS1	N/A	Prefix Type: RBOC Switch Name: SOUTHFIELD DS1 Switch Type: DMS100 LATA: Detroit MI (340) Tandem: WBFDMIMN20T 🔧 Explore Switch(CLLI: SFLDMIMNDS1))
248-368-3XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	SOUTHFIELD	SFLDMIMNDS1	N/A	Prefix Type: RBOC Switch Name: SOUTHFIELD DS1 Switch Type: DMS100 LATA: Detroit MI (340) Tandem: WBFDMIMN20T 🔧 Explore Switch(CLLI: SFLDMIMNDS1))
248-368-4XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	SOUTHFIELD	SFLDMIMNDS1	N/A	Prefix Type: RBOC Switch Name: SOUTHFIELD DS1 Switch Type: DMS100 LATA: Detroit MI (340) Tandem: WBFDMIMN20T 🔧 Explore Switch(CLLI: SFLDMIMNDS1))
248-368-5XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	SOUTHFIELD	SFLDMIMNDS1	N/A	Prefix Type: RBOC Switch Name: SOUTHFIELD DS1 Switch Type: DMS100 LATA: Detroit MI (340) Tandem: WBFDMIMN20T 🔧 Explore Switch(CLLI: SFLDMIMNDS1))
248-368-6XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	SOUTHFIELD	SFLDMIMNDS1	N/A	Prefix Type: RBOC Switch Name: SOUTHFIELD DS1 Switch Type: DMS100 LATA: Detroit MI (340) Tandem: WBFDMIMN20T 🔧 Explore Switch(CLLI: SFLDMIMNDS1))
248-368-8XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	SOUTHFIELD	SFLDMIMNDS1	N/A	Prefix Type: RBOC Switch Name: SOUTHFIELD DS1 Switch Type: DMS100 LATA: Detroit MI (340) Tandem: WBFDMIMN20T 🔧 Explore Switch(CLLI: SFLDMIMNDS1))
248-370	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	PONTIAC	PNTCMINERPA	00/00/0000	Prefix Type: RBOC Switch Name: PONTIAC Switch Type: N/A LATA: Detroit MI (340) Tandem: N/A 🔧 Explore Switch(CLLI: PNTCMINERPA))
248-371	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	PONTIAC	PNTCMINERPA	00/00/0000	Prefix Type: RBOC Switch Name: PONTIAC Switch Type: N/A LATA: Detroit MI (340) Tandem: N/A 🔧 Explore Switch(CLLI: PNTCMINERPA))
248-372	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	SOUTHFIELD	SFLDMIMNDS1	00/00/0000	Prefix Type: RBOC Switch Name: SOUTHFIELD DS1 Switch Type: DMS100 LATA: Detroit MI (340) Tandem: WBFDMIMN20T 🔧 Explore Switch(CLLI: SFLDMIMNDS1))
248-372 is split into 1,000-number blocks - detail below
248-372-2XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	SOUTHFIELD	SFLDMIMNDS1	N/A	Prefix Type: RBOC Switch Name: SOUTHFIELD DS1 Switch Type: DMS100 LATA: Detroit MI (340) Tandem: WBFDMIMN20T 🔧 Explore Switch(CLLI: SFLDMIMNDS1))
248-372-3XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	SOUTHFIELD	SFLDMIMNDS1	N/A	Prefix Type: RBOC Switch Name: SOUTHFIELD DS1 Switch Type: DMS100 LATA: Detroit MI (340) Tandem: WBFDMIMN20T 🔧 Explore Switch(CLLI: SFLDMIMNDS1))
248-372-4XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	SOUTHFIELD	SFLDMIMNDS1	N/A	Prefix Type: RBOC Switch Name: SOUTHFIELD DS1 Switch Type: DMS100 LATA: Detroit MI (340) Tandem: WBFDMIMN20T 🔧 Explore Switch(CLLI: SFLDMIMNDS1))
248-372-5XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	SOUTHFIELD	SFLDMIMNDS1	N/A	Prefix Type: RBOC Switch Name: SOUTHFIELD DS1 Switch Type: DMS100 LATA: Detroit MI (340) Tandem: WBFDMIMN20T 🔧 Explore Switch(CLLI: SFLDMIMNDS1))
248-372-6XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	SOUTHFIELD	SFLDMIMNDS1	N/A	Prefix Type: RBOC Switch Name: SOUTHFIELD DS1 Switch Type: DMS100 LATA: Detroit MI (340) Tandem: WBFDMIMN20T 🔧 Explore Switch(CLLI: SFLDMIMNDS1))
248-372-7XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	SOUTHFIELD	SFLDMIMNDS1	N/A	Prefix Type: RBOC Switch Name: SOUTHFIELD DS1 Switch Type: DMS100 LATA: Detroit MI (340) Tandem: WBFDMIMN20T 🔧 Explore Switch(CLLI: SFLDMIMNDS1))
248-372-8XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	SOUTHFIELD	SFLDMIMNDS1	N/A	Prefix Type: RBOC Switch Name: SOUTHFIELD DS1 Switch Type: DMS100 LATA: Detroit MI (340) Tandem: WBFDMIMN20T 🔧 Explore Switch(CLLI: SFLDMIMNDS1))
248-373	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	PONTIAC	PNTCMINERPA	00/00/0000	Prefix Type: RBOC Switch Name: PONTIAC Switch Type: N/A LATA: Detroit MI (340) Tandem: N/A 🔧 Explore Switch(CLLI: PNTCMINERPA))
248-374	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	NORTHVILLE	NRVLMIMNDS0	00/00/0000	Prefix Type: RBOC Switch Name: NORTHVILLE Switch Type: DMS100 LATA: Detroit MI (340) Tandem: ANARMIMN20T 🔧 Explore Switch(CLLI: NRVLMIMNDS0))
248-375	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	ROCHESTER	PNTCMINERPA	00/00/0000	Prefix Type: RBOC Switch Name: PONTIAC Switch Type: N/A LATA: Detroit MI (340) Tandem: N/A 🔧 Explore Switch(CLLI: PNTCMINERPA))
248-377	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	PONTIAC	PNTCMINERPA	00/00/0000	Prefix Type: RBOC Switch Name: PONTIAC Switch Type: N/A LATA: Detroit MI (340) Tandem: N/A 🔧 Explore Switch(CLLI: PNTCMINERPA))
248-380	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	NORTHVILLE	NRVLMIMNDS0	00/00/0000	Prefix Type: RBOC Switch Name: NORTHVILLE Switch Type: DMS100 LATA: Detroit MI (340) Tandem: ANARMIMN20T 🔧 Explore Switch(CLLI: NRVLMIMNDS0))
248-381 is split into 1,000-number blocks - detail below
248-381-6XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	FARMINGTON	FMHLMIFHDS0	04/20/2007	Prefix Type: RBOC Switch Name: FARMINGTON HILLS Switch Type: DMS100 LATA: Detroit MI (340) Tandem: WBFDMIMN20T 🔧 Explore Switch(CLLI: FMHLMIFHDS0))
248-381-7XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	FARMINGTON	FMHLMIFHDS0	04/20/2007	Prefix Type: RBOC Switch Name: FARMINGTON HILLS Switch Type: DMS100 LATA: Detroit MI (340) Tandem: WBFDMIMN20T 🔧 Explore Switch(CLLI: FMHLMIFHDS0))
248-386	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	SOUTHFIELD	SFLDMIMNDS1	00/00/0000	Prefix Type: RBOC Switch Name: SOUTHFIELD DS1 Switch Type: DMS100 LATA: Detroit MI (340) Tandem: WBFDMIMN20T 🔧 Explore Switch(CLLI: SFLDMIMNDS1))
248-386 is split into 1,000-number blocks - detail below
248-386-0XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	SOUTHFIELD	SFLDMIMNDS1	N/A	Prefix Type: RBOC Switch Name: SOUTHFIELD DS1 Switch Type: DMS100 LATA: Detroit MI (340) Tandem: WBFDMIMN20T 🔧 Explore Switch(CLLI: SFLDMIMNDS1))
248-386-1XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	SOUTHFIELD	SFLDMIMNDS1	N/A	Prefix Type: RBOC Switch Name: SOUTHFIELD DS1 Switch Type: DMS100 LATA: Detroit MI (340) Tandem: WBFDMIMN20T 🔧 Explore Switch(CLLI: SFLDMIMNDS1))
248-386-2XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	SOUTHFIELD	SFLDMIMNDS1	N/A	Prefix Type: RBOC Switch Name: SOUTHFIELD DS1 Switch Type: DMS100 LATA: Detroit MI (340) Tandem: WBFDMIMN20T 🔧 Explore Switch(CLLI: SFLDMIMNDS1))
248-386-3XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	SOUTHFIELD	SFLDMIMNDS1	N/A	Prefix Type: RBOC Switch Name: SOUTHFIELD DS1 Switch Type: DMS100 LATA: Detroit MI (340) Tandem: WBFDMIMN20T 🔧 Explore Switch(CLLI: SFLDMIMNDS1))
248-386-5XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	SOUTHFIELD	SFLDMIMNDS1	N/A	Prefix Type: RBOC Switch Name: SOUTHFIELD DS1 Switch Type: DMS100 LATA: Detroit MI (340) Tandem: WBFDMIMN20T 🔧 Explore Switch(CLLI: SFLDMIMNDS1))
248-386-7XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	SOUTHFIELD	SFLDMIMNDS1	N/A	Prefix Type: RBOC Switch Name: SOUTHFIELD DS1 Switch Type: DMS100 LATA: Detroit MI (340) Tandem: WBFDMIMN20T 🔧 Explore Switch(CLLI: SFLDMIMNDS1))
248-386-8XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	SOUTHFIELD	SFLDMIMNDS1	N/A	Prefix Type: RBOC Switch Name: SOUTHFIELD DS1 Switch Type: DMS100 LATA: Detroit MI (340) Tandem: WBFDMIMN20T 🔧 Explore Switch(CLLI: SFLDMIMNDS1))
248-386-9XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	SOUTHFIELD	SFLDMIMNDS1	N/A	Prefix Type: RBOC Switch Name: SOUTHFIELD DS1 Switch Type: DMS100 LATA: Detroit MI (340) Tandem: WBFDMIMN20T 🔧 Explore Switch(CLLI: SFLDMIMNDS1))
248-391	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	PONTIAC	PNTCMINRRS0	00/00/0000	Prefix Type: RBOC Switch Name: PONTIAC NR RS0 Switch Type: N/A LATA: Detroit MI (340) Tandem: TROYMIMN55T 🔧 Explore Switch(CLLI: PNTCMINRRS0))
248-393	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	PONTIAC	PNTCMINRRS0	00/00/0000	Prefix Type: RBOC Switch Name: PONTIAC NR RS0 Switch Type: N/A LATA: Detroit MI (340) Tandem: TROYMIMN55T 🔧 Explore Switch(CLLI: PNTCMINRRS0))
248-394	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	CLARKSTON	PNTCMINRRS0	00/00/0000	Prefix Type: RBOC Switch Name: PONTIAC NR RS0 Switch Type: N/A LATA: Detroit MI (340) Tandem: TROYMIMN55T 🔧 Explore Switch(CLLI: PNTCMINRRS0))
248-394 is split into 1,000-number blocks - detail below
248-394-0XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	CLARKSTON	PNTCMINRRS0	N/A	Prefix Type: RBOC Switch Name: PONTIAC NR RS0 Switch Type: N/A LATA: Detroit MI (340) Tandem: TROYMIMN55T 🔧 Explore Switch(CLLI: PNTCMINRRS0))
248-394-1XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	CLARKSTON	PNTCMINRRS0	N/A	Prefix Type: RBOC Switch Name: PONTIAC NR RS0 Switch Type: N/A LATA: Detroit MI (340) Tandem: TROYMIMN55T 🔧 Explore Switch(CLLI: PNTCMINRRS0))
248-395	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	SOUTHFIELD	SFLDMIOKDS0	00/00/0000	Prefix Type: RBOC Switch Name: SFLD OAKFIELD DS0 Switch Type: 5ESS LATA: Detroit MI (340) Tandem: WBFDMIMN20T 🔧 Explore Switch(CLLI: SFLDMIOKDS0))
248-395 is split into 1,000-number blocks - detail below
248-395-0XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	SOUTHFIELD	SFLDMIOKDS0	N/A	Prefix Type: RBOC Switch Name: SFLD OAKFIELD DS0 Switch Type: 5ESS LATA: Detroit MI (340) Tandem: WBFDMIMN20T 🔧 Explore Switch(CLLI: SFLDMIOKDS0))
248-395-1XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	SOUTHFIELD	SFLDMIOKDS0	N/A	Prefix Type: RBOC Switch Name: SFLD OAKFIELD DS0 Switch Type: 5ESS LATA: Detroit MI (340) Tandem: WBFDMIMN20T 🔧 Explore Switch(CLLI: SFLDMIOKDS0))
248-395-2XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	SOUTHFIELD	SFLDMIOKDS0	N/A	Prefix Type: RBOC Switch Name: SFLD OAKFIELD DS0 Switch Type: 5ESS LATA: Detroit MI (340) Tandem: WBFDMIMN20T 🔧 Explore Switch(CLLI: SFLDMIOKDS0))
248-395-3XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	SOUTHFIELD	SFLDMIOKDS0	N/A	Prefix Type: RBOC Switch Name: SFLD OAKFIELD DS0 Switch Type: 5ESS LATA: Detroit MI (340) Tandem: WBFDMIMN20T 🔧 Explore Switch(CLLI: SFLDMIOKDS0))
248-395-4XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	SOUTHFIELD	SFLDMIOKDS0	N/A	Prefix Type: RBOC Switch Name: SFLD OAKFIELD DS0 Switch Type: 5ESS LATA: Detroit MI (340) Tandem: WBFDMIMN20T 🔧 Explore Switch(CLLI: SFLDMIOKDS0))
248-395-6XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	SOUTHFIELD	SFLDMIOKDS0	N/A	Prefix Type: RBOC Switch Name: SFLD OAKFIELD DS0 Switch Type: 5ESS LATA: Detroit MI (340) Tandem: WBFDMIMN20T 🔧 Explore Switch(CLLI: SFLDMIOKDS0))
248-395-7XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	SOUTHFIELD	SFLDMIOKDS0	N/A	Prefix Type: RBOC Switch Name: SFLD OAKFIELD DS0 Switch Type: 5ESS LATA: Detroit MI (340) Tandem: WBFDMIMN20T 🔧 Explore Switch(CLLI: SFLDMIOKDS0))
248-395-8XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	SOUTHFIELD	SFLDMIOKDS0	N/A	Prefix Type: RBOC Switch Name: SFLD OAKFIELD DS0 Switch Type: 5ESS LATA: Detroit MI (340) Tandem: WBFDMIMN20T 🔧 Explore Switch(CLLI: SFLDMIOKDS0))
248-395-9XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	SOUTHFIELD	SFLDMIOKDS0	N/A	Prefix Type: RBOC Switch Name: SFLD OAKFIELD DS0 Switch Type: 5ESS LATA: Detroit MI (340) Tandem: WBFDMIMN20T 🔧 Explore Switch(CLLI: SFLDMIOKDS0))
248-398	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	ROYAL OAK	RYLOMIMNDS0	00/00/0000	Prefix Type: RBOC Switch Name: ROYAL OAK DS0 Switch Type: 5ESS LATA: Detroit MI (340) Tandem: WBFDMIMN20T 🔧 Explore Switch(CLLI: RYLOMIMNDS0))
248-399	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	ROYAL OAK	RYLOMIMNDS0	00/00/0000	Prefix Type: RBOC Switch Name: ROYAL OAK DS0 Switch Type: 5ESS LATA: Detroit MI (340) Tandem: WBFDMIMN20T 🔧 Explore Switch(CLLI: RYLOMIMNDS0))
248-404	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	TROY	TROYMISMDS0	00/00/0000	Prefix Type: RBOC Switch Name: TROY SOMERSET DS0 Switch Type: DMS100 LATA: Detroit MI (340) Tandem: WBFDMIMN20T 🔧 Explore Switch(CLLI: TROYMISMDS0))
248-404 is split into 1,000-number blocks - detail below
248-404-2XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	TROY	TROYMISMDS0	N/A	Prefix Type: RBOC Switch Name: TROY SOMERSET DS0 Switch Type: DMS100 LATA: Detroit MI (340) Tandem: WBFDMIMN20T 🔧 Explore Switch(CLLI: TROYMISMDS0))
248-404-3XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	TROY	TROYMISMDS0	N/A	Prefix Type: RBOC Switch Name: TROY SOMERSET DS0 Switch Type: DMS100 LATA: Detroit MI (340) Tandem: WBFDMIMN20T 🔧 Explore Switch(CLLI: TROYMISMDS0))
248-404-9XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	TROY	TROYMISMDS0	N/A	Prefix Type: RBOC Switch Name: TROY SOMERSET DS0 Switch Type: DMS100 LATA: Detroit MI (340) Tandem: WBFDMIMN20T 🔧 Explore Switch(CLLI: TROYMISMDS0))
248-414	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	ROYAL OAK	RYLOMIMNDS0	00/00/0000	Prefix Type: RBOC Switch Name: ROYAL OAK DS0 Switch Type: 5ESS LATA: Detroit MI (340) Tandem: WBFDMIMN20T 🔧 Explore Switch(CLLI: RYLOMIMNDS0))
248-414 is split into 1,000-number blocks - detail below
248-414-0XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	ROYAL OAK	RYLOMIMNDS0	N/A	Prefix Type: RBOC Switch Name: ROYAL OAK DS0 Switch Type: 5ESS LATA: Detroit MI (340) Tandem: WBFDMIMN20T 🔧 Explore Switch(CLLI: RYLOMIMNDS0))
248-414-2XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	ROYAL OAK	RYLOMIMNDS0	N/A	Prefix Type: RBOC Switch Name: ROYAL OAK DS0 Switch Type: 5ESS LATA: Detroit MI (340) Tandem: WBFDMIMN20T 🔧 Explore Switch(CLLI: RYLOMIMNDS0))
248-414-3XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	ROYAL OAK	RYLOMIMNDS0	N/A	Prefix Type: RBOC Switch Name: ROYAL OAK DS0 Switch Type: 5ESS LATA: Detroit MI (340) Tandem: WBFDMIMN20T 🔧 Explore Switch(CLLI: RYLOMIMNDS0))
248-414-4XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	ROYAL OAK	RYLOMIMNDS0	N/A	Prefix Type: RBOC Switch Name: ROYAL OAK DS0 Switch Type: 5ESS LATA: Detroit MI (340) Tandem: WBFDMIMN20T 🔧 Explore Switch(CLLI: RYLOMIMNDS0))
248-414-5XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	ROYAL OAK	RYLOMIMNDS0	N/A	Prefix Type: RBOC Switch Name: ROYAL OAK DS0 Switch Type: 5ESS LATA: Detroit MI (340) Tandem: WBFDMIMN20T 🔧 Explore Switch(CLLI: RYLOMIMNDS0))
248-414-6XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	ROYAL OAK	RYLOMIMNDS0	N/A	Prefix Type: RBOC Switch Name: ROYAL OAK DS0 Switch Type: 5ESS LATA: Detroit MI (340) Tandem: WBFDMIMN20T 🔧 Explore Switch(CLLI: RYLOMIMNDS0))
248-414-7XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	ROYAL OAK	RYLOMIMNDS0	N/A	Prefix Type: RBOC Switch Name: ROYAL OAK DS0 Switch Type: 5ESS LATA: Detroit MI (340) Tandem: WBFDMIMN20T 🔧 Explore Switch(CLLI: RYLOMIMNDS0))
248-414-8XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	ROYAL OAK	RYLOMIMNDS0	N/A	Prefix Type: RBOC Switch Name: ROYAL OAK DS0 Switch Type: 5ESS LATA: Detroit MI (340) Tandem: WBFDMIMN20T 🔧 Explore Switch(CLLI: RYLOMIMNDS0))
248-414-9XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	ROYAL OAK	RYLOMIMNDS0	N/A	Prefix Type: RBOC Switch Name: ROYAL OAK DS0 Switch Type: 5ESS LATA: Detroit MI (340) Tandem: WBFDMIMN20T 🔧 Explore Switch(CLLI: RYLOMIMNDS0))
248-423	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	SOUTHFIELD	SFLDMIOKDS0	00/00/0000	Prefix Type: RBOC Switch Name: SFLD OAKFIELD DS0 Switch Type: 5ESS LATA: Detroit MI (340) Tandem: WBFDMIMN20T 🔧 Explore Switch(CLLI: SFLDMIOKDS0))
248-424	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	SOUTHFIELD	SFLDMIOKDS0	00/00/0000	Prefix Type: RBOC Switch Name: SFLD OAKFIELD DS0 Switch Type: 5ESS LATA: Detroit MI (340) Tandem: WBFDMIMN20T 🔧 Explore Switch(CLLI: SFLDMIOKDS0))
248-426	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	FARMINGTON	FRTNMIMNDS0	00/00/0000	Prefix Type: RBOC Switch Name: FARMINGTON DS0 Switch Type: DMS100 LATA: Detroit MI (340) Tandem: WBFDMIMN20T 🔧 Explore Switch(CLLI: FRTNMIMNDS0))
248-427	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	FARMINGTON	FRTNMIMNDS0	00/00/0000	Prefix Type: RBOC Switch Name: FARMINGTON DS0 Switch Type: DMS100 LATA: Detroit MI (340) Tandem: WBFDMIMN20T 🔧 Explore Switch(CLLI: FRTNMIMNDS0))
248-433	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	BIRMINGHAM	BRHMMIMNDS0	00/00/0000	Prefix Type: RBOC Switch Name: BIRMINGHAM DS0 Switch Type: EWSD LATA: Detroit MI (340) Tandem: TROYMIMN55T 🔧 Explore Switch(CLLI: BRHMMIMNDS0))
248-433 is split into 1,000-number blocks - detail below
248-433-0XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	BIRMINGHAM	BRHMMIMNDS0	N/A	Prefix Type: RBOC Switch Name: BIRMINGHAM DS0 Switch Type: EWSD LATA: Detroit MI (340) Tandem: TROYMIMN55T 🔧 Explore Switch(CLLI: BRHMMIMNDS0))
248-433-1XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	BIRMINGHAM	BRHMMIMNDS0	N/A	Prefix Type: RBOC Switch Name: BIRMINGHAM DS0 Switch Type: EWSD LATA: Detroit MI (340) Tandem: TROYMIMN55T 🔧 Explore Switch(CLLI: BRHMMIMNDS0))
248-433-2XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	BIRMINGHAM	BRHMMIMNDS0	N/A	Prefix Type: RBOC Switch Name: BIRMINGHAM DS0 Switch Type: EWSD LATA: Detroit MI (340) Tandem: TROYMIMN55T 🔧 Explore Switch(CLLI: BRHMMIMNDS0))
248-433-3XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	BIRMINGHAM	BRHMMIMNDS0	N/A	Prefix Type: RBOC Switch Name: BIRMINGHAM DS0 Switch Type: EWSD LATA: Detroit MI (340) Tandem: TROYMIMN55T 🔧 Explore Switch(CLLI: BRHMMIMNDS0))
248-433-4XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	BIRMINGHAM	BRHMMIMNDS0	N/A	Prefix Type: RBOC Switch Name: BIRMINGHAM DS0 Switch Type: EWSD LATA: Detroit MI (340) Tandem: TROYMIMN55T 🔧 Explore Switch(CLLI: BRHMMIMNDS0))
248-433-5XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	BIRMINGHAM	BRHMMIMNDS0	N/A	Prefix Type: RBOC Switch Name: BIRMINGHAM DS0 Switch Type: EWSD LATA: Detroit MI (340) Tandem: TROYMIMN55T 🔧 Explore Switch(CLLI: BRHMMIMNDS0))
248-433-7XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	BIRMINGHAM	BRHMMIMNDS0	N/A	Prefix Type: RBOC Switch Name: BIRMINGHAM DS0 Switch Type: EWSD LATA: Detroit MI (340) Tandem: TROYMIMN55T 🔧 Explore Switch(CLLI: BRHMMIMNDS0))
248-433-8XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	BIRMINGHAM	BRHMMIMNDS0	N/A	Prefix Type: RBOC Switch Name: BIRMINGHAM DS0 Switch Type: EWSD LATA: Detroit MI (340) Tandem: TROYMIMN55T 🔧 Explore Switch(CLLI: BRHMMIMNDS0))
248-433-9XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	BIRMINGHAM	BRHMMIMNDS0	N/A	Prefix Type: RBOC Switch Name: BIRMINGHAM DS0 Switch Type: EWSD LATA: Detroit MI (340) Tandem: TROYMIMN55T 🔧 Explore Switch(CLLI: BRHMMIMNDS0))
248-435	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	ROYAL OAK	TROYMISMDS0	00/00/0000	Prefix Type: RBOC Switch Name: TROY SOMERSET DS0 Switch Type: DMS100 LATA: Detroit MI (340) Tandem: WBFDMIMN20T 🔧 Explore Switch(CLLI: TROYMISMDS0))
248-437	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	SOUTH LYON	SLYNMIMNDS0	00/00/0000	Prefix Type: RBOC Switch Name: SOUTH LYON Switch Type: DMS100 LATA: Detroit MI (340) Tandem: ANARMIMN20T 🔧 Explore Switch(CLLI: SLYNMIMNDS0))
248-442	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	FARMINGTON	FRTNMIMNDS0	00/00/0000	Prefix Type: RBOC Switch Name: FARMINGTON DS0 Switch Type: DMS100 LATA: Detroit MI (340) Tandem: WBFDMIMN20T 🔧 Explore Switch(CLLI: FRTNMIMNDS0))
248-443	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	SOUTHFIELD	SFLDMIOKDS0	00/00/0000	Prefix Type: RBOC Switch Name: SFLD OAKFIELD DS0 Switch Type: 5ESS LATA: Detroit MI (340) Tandem: WBFDMIMN20T 🔧 Explore Switch(CLLI: SFLDMIOKDS0))
248-445	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	SOUTHFIELD	SFLDMIMNDS0	00/00/0000	Prefix Type: RBOC Switch Name: SOUTHFIELD DS0 Switch Type: DMS100 LATA: Detroit MI (340) Tandem: WBFDMIMN20T 🔧 Explore Switch(CLLI: SFLDMIMNDS0))
248-445 is split into 1,000-number blocks - detail below
248-445-4XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	SOUTHFIELD	SFLDMIMNDS0	N/A	Prefix Type: RBOC Switch Name: SOUTHFIELD DS0 Switch Type: DMS100 LATA: Detroit MI (340) Tandem: WBFDMIMN20T 🔧 Explore Switch(CLLI: SFLDMIMNDS0))
248-446	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	SOUTH LYON	SLYNMIMNDS0	00/00/0000	Prefix Type: RBOC Switch Name: SOUTH LYON Switch Type: DMS100 LATA: Detroit MI (340) Tandem: ANARMIMN20T 🔧 Explore Switch(CLLI: SLYNMIMNDS0))
248-446 is split into 1,000-number blocks - detail below
248-446-0XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	SOUTH LYON	SLYNMIMNDS0	N/A	Prefix Type: RBOC Switch Name: SOUTH LYON Switch Type: DMS100 LATA: Detroit MI (340) Tandem: ANARMIMN20T 🔧 Explore Switch(CLLI: SLYNMIMNDS0))
248-446-1XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	SOUTH LYON	SLYNMIMNDS0	N/A	Prefix Type: RBOC Switch Name: SOUTH LYON Switch Type: DMS100 LATA: Detroit MI (340) Tandem: ANARMIMN20T 🔧 Explore Switch(CLLI: SLYNMIMNDS0))
248-446-2XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	SOUTH LYON	SLYNMIMNDS0	N/A	Prefix Type: RBOC Switch Name: SOUTH LYON Switch Type: DMS100 LATA: Detroit MI (340) Tandem: ANARMIMN20T 🔧 Explore Switch(CLLI: SLYNMIMNDS0))
248-446-3XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	SOUTH LYON	SLYNMIMNDS0	N/A	Prefix Type: RBOC Switch Name: SOUTH LYON Switch Type: DMS100 LATA: Detroit MI (340) Tandem: ANARMIMN20T 🔧 Explore Switch(CLLI: SLYNMIMNDS0))
248-446-4XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	SOUTH LYON	SLYNMIMNDS0	N/A	Prefix Type: RBOC Switch Name: SOUTH LYON Switch Type: DMS100 LATA: Detroit MI (340) Tandem: ANARMIMN20T 🔧 Explore Switch(CLLI: SLYNMIMNDS0))
248-446-5XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	SOUTH LYON	SLYNMIMNDS0	N/A	Prefix Type: RBOC Switch Name: SOUTH LYON Switch Type: DMS100 LATA: Detroit MI (340) Tandem: ANARMIMN20T 🔧 Explore Switch(CLLI: SLYNMIMNDS0))
248-446-6XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	SOUTH LYON	SLYNMIMNDS0	N/A	Prefix Type: RBOC Switch Name: SOUTH LYON Switch Type: DMS100 LATA: Detroit MI (340) Tandem: ANARMIMN20T 🔧 Explore Switch(CLLI: SLYNMIMNDS0))
248-446-8XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	SOUTH LYON	SLYNMIMNDS0	N/A	Prefix Type: RBOC Switch Name: SOUTH LYON Switch Type: DMS100 LATA: Detroit MI (340) Tandem: ANARMIMN20T 🔧 Explore Switch(CLLI: SLYNMIMNDS0))
248-446-9XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	SOUTH LYON	SLYNMIMNDS0	N/A	Prefix Type: RBOC Switch Name: SOUTH LYON Switch Type: DMS100 LATA: Detroit MI (340) Tandem: ANARMIMN20T 🔧 Explore Switch(CLLI: SLYNMIMNDS0))
248-447	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	SOUTHFIELD	SFLDMIMNDS1	00/00/0000	Prefix Type: RBOC Switch Name: SOUTHFIELD DS1 Switch Type: DMS100 LATA: Detroit MI (340) Tandem: WBFDMIMN20T 🔧 Explore Switch(CLLI: SFLDMIMNDS1))
248-448	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	SOUTHFIELD	SFLDMIMNDS1	00/00/0000	Prefix Type: RBOC Switch Name: SOUTHFIELD DS1 Switch Type: DMS100 LATA: Detroit MI (340) Tandem: WBFDMIMN20T 🔧 Explore Switch(CLLI: SFLDMIMNDS1))
248-448 is split into 1,000-number blocks - detail below
248-448-0XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	SOUTHFIELD	SFLDMIMNDS1	N/A	Prefix Type: RBOC Switch Name: SOUTHFIELD DS1 Switch Type: DMS100 LATA: Detroit MI (340) Tandem: WBFDMIMN20T 🔧 Explore Switch(CLLI: SFLDMIMNDS1))
248-448-1XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	SOUTHFIELD	SFLDMIMNDS1	09/10/2008	Prefix Type: RBOC Switch Name: SOUTHFIELD DS1 Switch Type: DMS100 LATA: Detroit MI (340) Tandem: WBFDMIMN20T 🔧 Explore Switch(CLLI: SFLDMIMNDS1))
248-448-2XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	SOUTHFIELD	SFLDMIMNDS1	N/A	Prefix Type: RBOC Switch Name: SOUTHFIELD DS1 Switch Type: DMS100 LATA: Detroit MI (340) Tandem: WBFDMIMN20T 🔧 Explore Switch(CLLI: SFLDMIMNDS1))
248-448-3XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	SOUTHFIELD	SFLDMIMNDS1	N/A	Prefix Type: RBOC Switch Name: SOUTHFIELD DS1 Switch Type: DMS100 LATA: Detroit MI (340) Tandem: WBFDMIMN20T 🔧 Explore Switch(CLLI: SFLDMIMNDS1))
248-448-4XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	SOUTHFIELD	SFLDMIMNDS1	N/A	Prefix Type: RBOC Switch Name: SOUTHFIELD DS1 Switch Type: DMS100 LATA: Detroit MI (340) Tandem: WBFDMIMN20T 🔧 Explore Switch(CLLI: SFLDMIMNDS1))
248-448-5XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	SOUTHFIELD	SFLDMIMNDS1	N/A	Prefix Type: RBOC Switch Name: SOUTHFIELD DS1 Switch Type: DMS100 LATA: Detroit MI (340) Tandem: WBFDMIMN20T 🔧 Explore Switch(CLLI: SFLDMIMNDS1))
248-448-6XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	SOUTHFIELD	SFLDMIMNDS1	N/A	Prefix Type: RBOC Switch Name: SOUTHFIELD DS1 Switch Type: DMS100 LATA: Detroit MI (340) Tandem: WBFDMIMN20T 🔧 Explore Switch(CLLI: SFLDMIMNDS1))
248-448-7XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	SOUTHFIELD	SFLDMIMNDS1	N/A	Prefix Type: RBOC Switch Name: SOUTHFIELD DS1 Switch Type: DMS100 LATA: Detroit MI (340) Tandem: WBFDMIMN20T 🔧 Explore Switch(CLLI: SFLDMIMNDS1))
248-448-8XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	SOUTHFIELD	SFLDMIMNDS1	N/A	Prefix Type: RBOC Switch Name: SOUTHFIELD DS1 Switch Type: DMS100 LATA: Detroit MI (340) Tandem: WBFDMIMN20T 🔧 Explore Switch(CLLI: SFLDMIMNDS1))
248-449	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	NORTHVILLE	NRVLMIMNDS0	00/00/0000	Prefix Type: RBOC Switch Name: NORTHVILLE Switch Type: DMS100 LATA: Detroit MI (340) Tandem: ANARMIMN20T 🔧 Explore Switch(CLLI: NRVLMIMNDS0))
248-451	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	PONTIAC	PNTCMIMNDS0	00/00/0000	Prefix Type: RBOC Switch Name: PONTIAC DS0 Switch Type: DMS100 LATA: Detroit MI (340) Tandem: TROYMIMN55T 🔧 Explore Switch(CLLI: PNTCMIMNDS0))
248-452	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	PONTIAC	PNTCMIMNDS0	00/00/0000	Prefix Type: RBOC Switch Name: PONTIAC DS0 Switch Type: DMS100 LATA: Detroit MI (340) Tandem: TROYMIMN55T 🔧 Explore Switch(CLLI: PNTCMIMNDS0))
248-452 is split into 1,000-number blocks - detail below
248-452-0XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	PONTIAC	PNTCMIMNDS0	N/A	Prefix Type: RBOC Switch Name: PONTIAC DS0 Switch Type: DMS100 LATA: Detroit MI (340) Tandem: TROYMIMN55T 🔧 Explore Switch(CLLI: PNTCMIMNDS0))
248-452-2XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	PONTIAC	PNTCMIMNDS0	N/A	Prefix Type: RBOC Switch Name: PONTIAC DS0 Switch Type: DMS100 LATA: Detroit MI (340) Tandem: TROYMIMN55T 🔧 Explore Switch(CLLI: PNTCMIMNDS0))
248-452-3XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	PONTIAC	PNTCMIMNDS0	N/A	Prefix Type: RBOC Switch Name: PONTIAC DS0 Switch Type: DMS100 LATA: Detroit MI (340) Tandem: TROYMIMN55T 🔧 Explore Switch(CLLI: PNTCMIMNDS0))
248-452-4XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	PONTIAC	PNTCMIMNDS0	N/A	Prefix Type: RBOC Switch Name: PONTIAC DS0 Switch Type: DMS100 LATA: Detroit MI (340) Tandem: TROYMIMN55T 🔧 Explore Switch(CLLI: PNTCMIMNDS0))
248-452-5XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	PONTIAC	PNTCMIMNDS0	N/A	Prefix Type: RBOC Switch Name: PONTIAC DS0 Switch Type: DMS100 LATA: Detroit MI (340) Tandem: TROYMIMN55T 🔧 Explore Switch(CLLI: PNTCMIMNDS0))
248-452-7XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	PONTIAC	PNTCMIMNDS0	N/A	Prefix Type: RBOC Switch Name: PONTIAC DS0 Switch Type: DMS100 LATA: Detroit MI (340) Tandem: TROYMIMN55T 🔧 Explore Switch(CLLI: PNTCMIMNDS0))
248-452-8XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	PONTIAC	PNTCMIMNDS0	N/A	Prefix Type: RBOC Switch Name: PONTIAC DS0 Switch Type: DMS100 LATA: Detroit MI (340) Tandem: TROYMIMN55T 🔧 Explore Switch(CLLI: PNTCMIMNDS0))
248-452-9XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	PONTIAC	PNTCMIMNDS0	N/A	Prefix Type: RBOC Switch Name: PONTIAC DS0 Switch Type: DMS100 LATA: Detroit MI (340) Tandem: TROYMIMN55T 🔧 Explore Switch(CLLI: PNTCMIMNDS0))
248-454	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	PONTIAC	PNTCMIMNDS0	00/00/0000	Prefix Type: RBOC Switch Name: PONTIAC DS0 Switch Type: DMS100 LATA: Detroit MI (340) Tandem: TROYMIMN55T 🔧 Explore Switch(CLLI: PNTCMIMNDS0))
248-455	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	SOUTHFIELD	SFLDMIMNDS0	00/00/0000	Prefix Type: RBOC Switch Name: SOUTHFIELD DS0 Switch Type: DMS100 LATA: Detroit MI (340) Tandem: WBFDMIMN20T 🔧 Explore Switch(CLLI: SFLDMIMNDS0))
248-455 is split into 1,000-number blocks - detail below
248-455-0XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	SOUTHFIELD	SFLDMIMNDS0	N/A	Prefix Type: RBOC Switch Name: SOUTHFIELD DS0 Switch Type: DMS100 LATA: Detroit MI (340) Tandem: WBFDMIMN20T 🔧 Explore Switch(CLLI: SFLDMIMNDS0))
248-455-1XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	SOUTHFIELD	SFLDMIMNDS0	N/A	Prefix Type: RBOC Switch Name: SOUTHFIELD DS0 Switch Type: DMS100 LATA: Detroit MI (340) Tandem: WBFDMIMN20T 🔧 Explore Switch(CLLI: SFLDMIMNDS0))
248-455-2XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	SOUTHFIELD	SFLDMIMNDS0	N/A	Prefix Type: RBOC Switch Name: SOUTHFIELD DS0 Switch Type: DMS100 LATA: Detroit MI (340) Tandem: WBFDMIMN20T 🔧 Explore Switch(CLLI: SFLDMIMNDS0))
248-455-3XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	SOUTHFIELD	SFLDMIMNDS0	N/A	Prefix Type: RBOC Switch Name: SOUTHFIELD DS0 Switch Type: DMS100 LATA: Detroit MI (340) Tandem: WBFDMIMN20T 🔧 Explore Switch(CLLI: SFLDMIMNDS0))
248-455-4XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	SOUTHFIELD	SFLDMIMNDS0	N/A	Prefix Type: RBOC Switch Name: SOUTHFIELD DS0 Switch Type: DMS100 LATA: Detroit MI (340) Tandem: WBFDMIMN20T 🔧 Explore Switch(CLLI: SFLDMIMNDS0))
248-455-5XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	SOUTHFIELD	SFLDMIMNDS0	N/A	Prefix Type: RBOC Switch Name: SOUTHFIELD DS0 Switch Type: DMS100 LATA: Detroit MI (340) Tandem: WBFDMIMN20T 🔧 Explore Switch(CLLI: SFLDMIMNDS0))
248-455-7XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	SOUTHFIELD	SFLDMIMNDS0	N/A	Prefix Type: RBOC Switch Name: SOUTHFIELD DS0 Switch Type: DMS100 LATA: Detroit MI (340) Tandem: WBFDMIMN20T 🔧 Explore Switch(CLLI: SFLDMIMNDS0))
248-455-8XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	SOUTHFIELD	SFLDMIMNDS0	N/A	Prefix Type: RBOC Switch Name: SOUTHFIELD DS0 Switch Type: DMS100 LATA: Detroit MI (340) Tandem: WBFDMIMN20T 🔧 Explore Switch(CLLI: SFLDMIMNDS0))
248-456	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	PONTIAC	PNTCMIMNDS0	00/00/0000	Prefix Type: RBOC Switch Name: PONTIAC DS0 Switch Type: DMS100 LATA: Detroit MI (340) Tandem: TROYMIMN55T 🔧 Explore Switch(CLLI: PNTCMIMNDS0))
248-457	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	TROY	TROYMIMNDS0	00/00/0000	Prefix Type: RBOC Switch Name: TROY MAIN DS0 Switch Type: DMS100 LATA: Detroit MI (340) Tandem: WBFDMIMN20T 🔧 Explore Switch(CLLI: TROYMIMNDS0))
248-457 is split into 1,000-number blocks - detail below
248-457-0XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	TROY	TROYMIMNDS0	N/A	Prefix Type: RBOC Switch Name: TROY MAIN DS0 Switch Type: DMS100 LATA: Detroit MI (340) Tandem: WBFDMIMN20T 🔧 Explore Switch(CLLI: TROYMIMNDS0))
248-457-1XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	TROY	TROYMIMNDS0	N/A	Prefix Type: RBOC Switch Name: TROY MAIN DS0 Switch Type: DMS100 LATA: Detroit MI (340) Tandem: WBFDMIMN20T 🔧 Explore Switch(CLLI: TROYMIMNDS0))
248-457-2XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	TROY	TROYMIMNDS0	N/A	Prefix Type: RBOC Switch Name: TROY MAIN DS0 Switch Type: DMS100 LATA: Detroit MI (340) Tandem: WBFDMIMN20T 🔧 Explore Switch(CLLI: TROYMIMNDS0))
248-457-3XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	TROY	TROYMIMNDS0	N/A	Prefix Type: RBOC Switch Name: TROY MAIN DS0 Switch Type: DMS100 LATA: Detroit MI (340) Tandem: WBFDMIMN20T 🔧 Explore Switch(CLLI: TROYMIMNDS0))
248-457-4XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	TROY	TROYMIMNDS0	N/A	Prefix Type: RBOC Switch Name: TROY MAIN DS0 Switch Type: DMS100 LATA: Detroit MI (340) Tandem: WBFDMIMN20T 🔧 Explore Switch(CLLI: TROYMIMNDS0))
248-457-7XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	TROY	TROYMIMNDS0	N/A	Prefix Type: RBOC Switch Name: TROY MAIN DS0 Switch Type: DMS100 LATA: Detroit MI (340) Tandem: WBFDMIMN20T 🔧 Explore Switch(CLLI: TROYMIMNDS0))
248-457-8XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	TROY	TROYMIMNDS0	N/A	Prefix Type: RBOC Switch Name: TROY MAIN DS0 Switch Type: DMS100 LATA: Detroit MI (340) Tandem: WBFDMIMN20T 🔧 Explore Switch(CLLI: TROYMIMNDS0))
248-457-9XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	TROY	TROYMIMNDS0	N/A	Prefix Type: RBOC Switch Name: TROY MAIN DS0 Switch Type: DMS100 LATA: Detroit MI (340) Tandem: WBFDMIMN20T 🔧 Explore Switch(CLLI: TROYMIMNDS0))
248-458	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	BIRMINGHAM	TROYMISMDS0	00/00/0000	Prefix Type: RBOC Switch Name: TROY SOMERSET DS0 Switch Type: DMS100 LATA: Detroit MI (340) Tandem: WBFDMIMN20T 🔧 Explore Switch(CLLI: TROYMISMDS0))
248-458 is split into 1,000-number blocks - detail below
248-458-0XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	BIRMINGHAM	TROYMISMDS0	N/A	Prefix Type: RBOC Switch Name: TROY SOMERSET DS0 Switch Type: DMS100 LATA: Detroit MI (340) Tandem: WBFDMIMN20T 🔧 Explore Switch(CLLI: TROYMISMDS0))
248-458-1XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	BIRMINGHAM	TROYMISMDS0	N/A	Prefix Type: RBOC Switch Name: TROY SOMERSET DS0 Switch Type: DMS100 LATA: Detroit MI (340) Tandem: WBFDMIMN20T 🔧 Explore Switch(CLLI: TROYMISMDS0))
248-458-2XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	BIRMINGHAM	TROYMISMDS0	N/A	Prefix Type: RBOC Switch Name: TROY SOMERSET DS0 Switch Type: DMS100 LATA: Detroit MI (340) Tandem: WBFDMIMN20T 🔧 Explore Switch(CLLI: TROYMISMDS0))
248-458-3XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	BIRMINGHAM	TROYMISMDS0	N/A	Prefix Type: RBOC Switch Name: TROY SOMERSET DS0 Switch Type: DMS100 LATA: Detroit MI (340) Tandem: WBFDMIMN20T 🔧 Explore Switch(CLLI: TROYMISMDS0))
248-458-5XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	BIRMINGHAM	TROYMISMDS0	N/A	Prefix Type: RBOC Switch Name: TROY SOMERSET DS0 Switch Type: DMS100 LATA: Detroit MI (340) Tandem: WBFDMIMN20T 🔧 Explore Switch(CLLI: TROYMISMDS0))
248-458-6XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	BIRMINGHAM	TROYMISMDS0	N/A	Prefix Type: RBOC Switch Name: TROY SOMERSET DS0 Switch Type: DMS100 LATA: Detroit MI (340) Tandem: WBFDMIMN20T 🔧 Explore Switch(CLLI: TROYMISMDS0))
248-458-7XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	BIRMINGHAM	TROYMISMDS0	N/A	Prefix Type: RBOC Switch Name: TROY SOMERSET DS0 Switch Type: DMS100 LATA: Detroit MI (340) Tandem: WBFDMIMN20T 🔧 Explore Switch(CLLI: TROYMISMDS0))
248-458-8XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	BIRMINGHAM	TROYMISMDS0	N/A	Prefix Type: RBOC Switch Name: TROY SOMERSET DS0 Switch Type: DMS100 LATA: Detroit MI (340) Tandem: WBFDMIMN20T 🔧 Explore Switch(CLLI: TROYMISMDS0))
248-458-9XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	BIRMINGHAM	TROYMISMDS0	N/A	Prefix Type: RBOC Switch Name: TROY SOMERSET DS0 Switch Type: DMS100 LATA: Detroit MI (340) Tandem: WBFDMIMN20T 🔧 Explore Switch(CLLI: TROYMISMDS0))
248-463	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	BIRMINGHAM	TROYMISMDS0	00/00/0000	Prefix Type: RBOC Switch Name: TROY SOMERSET DS0 Switch Type: DMS100 LATA: Detroit MI (340) Tandem: WBFDMIMN20T 🔧 Explore Switch(CLLI: TROYMISMDS0))
248-463 is split into 1,000-number blocks - detail below
248-463-4XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	BIRMINGHAM	TROYMISMDS0	N/A	Prefix Type: RBOC Switch Name: TROY SOMERSET DS0 Switch Type: DMS100 LATA: Detroit MI (340) Tandem: WBFDMIMN20T 🔧 Explore Switch(CLLI: TROYMISMDS0))
248-463-6XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	BIRMINGHAM	TROYMISMDS0	N/A	Prefix Type: RBOC Switch Name: TROY SOMERSET DS0 Switch Type: DMS100 LATA: Detroit MI (340) Tandem: WBFDMIMN20T 🔧 Explore Switch(CLLI: TROYMISMDS0))
248-465	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	NORTHVILLE	NRVLMIMNDS0	00/00/0000	Prefix Type: RBOC Switch Name: NORTHVILLE Switch Type: DMS100 LATA: Detroit MI (340) Tandem: ANARMIMN20T 🔧 Explore Switch(CLLI: NRVLMIMNDS0))
248-471	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	FARMINGTON	FRTNMIMNDS0	00/00/0000	Prefix Type: RBOC Switch Name: FARMINGTON DS0 Switch Type: DMS100 LATA: Detroit MI (340) Tandem: WBFDMIMN20T 🔧 Explore Switch(CLLI: FRTNMIMNDS0))
248-473	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	FARMINGTON	FRTNMIMNDS0	00/00/0000	Prefix Type: RBOC Switch Name: FARMINGTON DS0 Switch Type: DMS100 LATA: Detroit MI (340) Tandem: WBFDMIMN20T 🔧 Explore Switch(CLLI: FRTNMIMNDS0))
248-473 is split into 1,000-number blocks - detail below
248-473-0XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	FARMINGTON	FRTNMIMNDS0	N/A	Prefix Type: RBOC Switch Name: FARMINGTON DS0 Switch Type: DMS100 LATA: Detroit MI (340) Tandem: WBFDMIMN20T 🔧 Explore Switch(CLLI: FRTNMIMNDS0))
248-473-1XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	FARMINGTON	FRTNMIMNDS0	N/A	Prefix Type: RBOC Switch Name: FARMINGTON DS0 Switch Type: DMS100 LATA: Detroit MI (340) Tandem: WBFDMIMN20T 🔧 Explore Switch(CLLI: FRTNMIMNDS0))
248-473-2XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	FARMINGTON	FRTNMIMNDS0	N/A	Prefix Type: RBOC Switch Name: FARMINGTON DS0 Switch Type: DMS100 LATA: Detroit MI (340) Tandem: WBFDMIMN20T 🔧 Explore Switch(CLLI: FRTNMIMNDS0))
248-473-4XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	FARMINGTON	FRTNMIMNDS0	N/A	Prefix Type: RBOC Switch Name: FARMINGTON DS0 Switch Type: DMS100 LATA: Detroit MI (340) Tandem: WBFDMIMN20T 🔧 Explore Switch(CLLI: FRTNMIMNDS0))
248-473-5XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	FARMINGTON	FRTNMIMNDS0	N/A	Prefix Type: RBOC Switch Name: FARMINGTON DS0 Switch Type: DMS100 LATA: Detroit MI (340) Tandem: WBFDMIMN20T 🔧 Explore Switch(CLLI: FRTNMIMNDS0))
248-473-6XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	FARMINGTON	FRTNMIMNDS0	N/A	Prefix Type: RBOC Switch Name: FARMINGTON DS0 Switch Type: DMS100 LATA: Detroit MI (340) Tandem: WBFDMIMN20T 🔧 Explore Switch(CLLI: FRTNMIMNDS0))
248-473-7XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	FARMINGTON	FRTNMIMNDS0	N/A	Prefix Type: RBOC Switch Name: FARMINGTON DS0 Switch Type: DMS100 LATA: Detroit MI (340) Tandem: WBFDMIMN20T 🔧 Explore Switch(CLLI: FRTNMIMNDS0))
248-473-8XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	FARMINGTON	FRTNMIMNDS0	N/A	Prefix Type: RBOC Switch Name: FARMINGTON DS0 Switch Type: DMS100 LATA: Detroit MI (340) Tandem: WBFDMIMN20T 🔧 Explore Switch(CLLI: FRTNMIMNDS0))
248-473-9XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	FARMINGTON	FRTNMIMNDS0	N/A	Prefix Type: RBOC Switch Name: FARMINGTON DS0 Switch Type: DMS100 LATA: Detroit MI (340) Tandem: WBFDMIMN20T 🔧 Explore Switch(CLLI: FRTNMIMNDS0))
248-474	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	FARMINGTON	FRTNMIMNDS0	00/00/0000	Prefix Type: RBOC Switch Name: FARMINGTON DS0 Switch Type: DMS100 LATA: Detroit MI (340) Tandem: WBFDMIMN20T 🔧 Explore Switch(CLLI: FRTNMIMNDS0))
248-475	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	PONTIAC	PNTCMINERPA	00/00/0000	Prefix Type: RBOC Switch Name: PONTIAC Switch Type: N/A LATA: Detroit MI (340) Tandem: N/A 🔧 Explore Switch(CLLI: PNTCMINERPA))
248-476	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	FARMINGTON	FRTNMIMNDS0	00/00/0000	Prefix Type: RBOC Switch Name: FARMINGTON DS0 Switch Type: DMS100 LATA: Detroit MI (340) Tandem: WBFDMIMN20T 🔧 Explore Switch(CLLI: FRTNMIMNDS0))
248-477	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	FARMINGTON	FRTNMIMNDS0	00/00/0000	Prefix Type: RBOC Switch Name: FARMINGTON DS0 Switch Type: DMS100 LATA: Detroit MI (340) Tandem: WBFDMIMN20T 🔧 Explore Switch(CLLI: FRTNMIMNDS0))
248-478	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	FARMINGTON	FRTNMIMNDS0	00/00/0000	Prefix Type: RBOC Switch Name: FARMINGTON DS0 Switch Type: DMS100 LATA: Detroit MI (340) Tandem: WBFDMIMN20T 🔧 Explore Switch(CLLI: FRTNMIMNDS0))
248-483	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	SOUTHFIELD	SFLDMIOKDS0	00/00/0000	Prefix Type: RBOC Switch Name: SFLD OAKFIELD DS0 Switch Type: 5ESS LATA: Detroit MI (340) Tandem: WBFDMIMN20T 🔧 Explore Switch(CLLI: SFLDMIOKDS0))
248-483 is split into 1,000-number blocks - detail below
248-483-3XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	SOUTHFIELD	SFLDMIOKDS0	N/A	Prefix Type: RBOC Switch Name: SFLD OAKFIELD DS0 Switch Type: 5ESS LATA: Detroit MI (340) Tandem: WBFDMIMN20T 🔧 Explore Switch(CLLI: SFLDMIOKDS0))
248-483-4XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	SOUTHFIELD	SFLDMIOKDS0	N/A	Prefix Type: RBOC Switch Name: SFLD OAKFIELD DS0 Switch Type: 5ESS LATA: Detroit MI (340) Tandem: WBFDMIMN20T 🔧 Explore Switch(CLLI: SFLDMIOKDS0))
248-483-5XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	SOUTHFIELD	SFLDMIOKDS0	N/A	Prefix Type: RBOC Switch Name: SFLD OAKFIELD DS0 Switch Type: 5ESS LATA: Detroit MI (340) Tandem: WBFDMIMN20T 🔧 Explore Switch(CLLI: SFLDMIOKDS0))
248-483-7XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	SOUTHFIELD	SFLDMIOKDS0	N/A	Prefix Type: RBOC Switch Name: SFLD OAKFIELD DS0 Switch Type: 5ESS LATA: Detroit MI (340) Tandem: WBFDMIMN20T 🔧 Explore Switch(CLLI: SFLDMIOKDS0))
248-483-8XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	SOUTHFIELD	SFLDMIOKDS0	N/A	Prefix Type: RBOC Switch Name: SFLD OAKFIELD DS0 Switch Type: 5ESS LATA: Detroit MI (340) Tandem: WBFDMIMN20T 🔧 Explore Switch(CLLI: SFLDMIOKDS0))
248-483-9XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	SOUTHFIELD	SFLDMIOKDS0	N/A	Prefix Type: RBOC Switch Name: SFLD OAKFIELD DS0 Switch Type: 5ESS LATA: Detroit MI (340) Tandem: WBFDMIMN20T 🔧 Explore Switch(CLLI: SFLDMIOKDS0))
248-486	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	SOUTH LYON	SLYNMIMNDS0	00/00/0000	Prefix Type: RBOC Switch Name: SOUTH LYON Switch Type: DMS100 LATA: Detroit MI (340) Tandem: ANARMIMN20T 🔧 Explore Switch(CLLI: SLYNMIMNDS0))
248-488	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	FARMINGTON	FMHLMIFHDS0	00/00/0000	Prefix Type: RBOC Switch Name: FARMINGTON HILLS Switch Type: DMS100 LATA: Detroit MI (340) Tandem: WBFDMIMN20T 🔧 Explore Switch(CLLI: FMHLMIFHDS0))
248-488 is split into 1,000-number blocks - detail below
248-488-0XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	FARMINGTON	FMHLMIFHDS0	N/A	Prefix Type: RBOC Switch Name: FARMINGTON HILLS Switch Type: DMS100 LATA: Detroit MI (340) Tandem: WBFDMIMN20T 🔧 Explore Switch(CLLI: FMHLMIFHDS0))
248-488-1XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	FARMINGTON	FMHLMIFHDS0	N/A	Prefix Type: RBOC Switch Name: FARMINGTON HILLS Switch Type: DMS100 LATA: Detroit MI (340) Tandem: WBFDMIMN20T 🔧 Explore Switch(CLLI: FMHLMIFHDS0))
248-488-2XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	FARMINGTON	FMHLMIFHDS0	N/A	Prefix Type: RBOC Switch Name: FARMINGTON HILLS Switch Type: DMS100 LATA: Detroit MI (340) Tandem: WBFDMIMN20T 🔧 Explore Switch(CLLI: FMHLMIFHDS0))
248-488-3XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	FARMINGTON	FMHLMIFHDS0	N/A	Prefix Type: RBOC Switch Name: FARMINGTON HILLS Switch Type: DMS100 LATA: Detroit MI (340) Tandem: WBFDMIMN20T 🔧 Explore Switch(CLLI: FMHLMIFHDS0))
248-488-4XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	FARMINGTON	FMHLMIFHDS0	N/A	Prefix Type: RBOC Switch Name: FARMINGTON HILLS Switch Type: DMS100 LATA: Detroit MI (340) Tandem: WBFDMIMN20T 🔧 Explore Switch(CLLI: FMHLMIFHDS0))
248-488-5XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	FARMINGTON	FMHLMIFHDS0	N/A	Prefix Type: RBOC Switch Name: FARMINGTON HILLS Switch Type: DMS100 LATA: Detroit MI (340) Tandem: WBFDMIMN20T 🔧 Explore Switch(CLLI: FMHLMIFHDS0))
248-488-6XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	FARMINGTON	FMHLMIFHDS0	N/A	Prefix Type: RBOC Switch Name: FARMINGTON HILLS Switch Type: DMS100 LATA: Detroit MI (340) Tandem: WBFDMIMN20T 🔧 Explore Switch(CLLI: FMHLMIFHDS0))
248-488-8XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	FARMINGTON	FMHLMIFHDS0	N/A	Prefix Type: RBOC Switch Name: FARMINGTON HILLS Switch Type: DMS100 LATA: Detroit MI (340) Tandem: WBFDMIMN20T 🔧 Explore Switch(CLLI: FMHLMIFHDS0))
248-488-9XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	FARMINGTON	FMHLMIFHDS0	N/A	Prefix Type: RBOC Switch Name: FARMINGTON HILLS Switch Type: DMS100 LATA: Detroit MI (340) Tandem: WBFDMIMN20T 🔧 Explore Switch(CLLI: FMHLMIFHDS0))
248-489	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	FARMINGTON	FMHLMIFHDS0	00/00/0000	Prefix Type: RBOC Switch Name: FARMINGTON HILLS Switch Type: DMS100 LATA: Detroit MI (340) Tandem: WBFDMIMN20T 🔧 Explore Switch(CLLI: FMHLMIFHDS0))
248-489 is split into 1,000-number blocks - detail below
248-489-0XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	FARMINGTON	FMHLMIFHDS0	N/A	Prefix Type: RBOC Switch Name: FARMINGTON HILLS Switch Type: DMS100 LATA: Detroit MI (340) Tandem: WBFDMIMN20T 🔧 Explore Switch(CLLI: FMHLMIFHDS0))
248-489-1XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	FARMINGTON	FMHLMIFHDS0	N/A	Prefix Type: RBOC Switch Name: FARMINGTON HILLS Switch Type: DMS100 LATA: Detroit MI (340) Tandem: WBFDMIMN20T 🔧 Explore Switch(CLLI: FMHLMIFHDS0))
248-489-2XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	FARMINGTON	FMHLMIFHDS0	N/A	Prefix Type: RBOC Switch Name: FARMINGTON HILLS Switch Type: DMS100 LATA: Detroit MI (340) Tandem: WBFDMIMN20T 🔧 Explore Switch(CLLI: FMHLMIFHDS0))
248-489-3XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	FARMINGTON	FMHLMIFHDS0	N/A	Prefix Type: RBOC Switch Name: FARMINGTON HILLS Switch Type: DMS100 LATA: Detroit MI (340) Tandem: WBFDMIMN20T 🔧 Explore Switch(CLLI: FMHLMIFHDS0))
248-489-4XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	FARMINGTON	FMHLMIFHDS0	N/A	Prefix Type: RBOC Switch Name: FARMINGTON HILLS Switch Type: DMS100 LATA: Detroit MI (340) Tandem: WBFDMIMN20T 🔧 Explore Switch(CLLI: FMHLMIFHDS0))
248-489-5XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	FARMINGTON	FMHLMIFHDS0	N/A	Prefix Type: RBOC Switch Name: FARMINGTON HILLS Switch Type: DMS100 LATA: Detroit MI (340) Tandem: WBFDMIMN20T 🔧 Explore Switch(CLLI: FMHLMIFHDS0))
248-489-7XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	FARMINGTON	FMHLMIFHDS0	N/A	Prefix Type: RBOC Switch Name: FARMINGTON HILLS Switch Type: DMS100 LATA: Detroit MI (340) Tandem: WBFDMIMN20T 🔧 Explore Switch(CLLI: FMHLMIFHDS0))
248-489-8XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	FARMINGTON	FMHLMIFHDS0	N/A	Prefix Type: RBOC Switch Name: FARMINGTON HILLS Switch Type: DMS100 LATA: Detroit MI (340) Tandem: WBFDMIMN20T 🔧 Explore Switch(CLLI: FMHLMIFHDS0))
248-489-9XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	FARMINGTON	FMHLMIFHDS0	N/A	Prefix Type: RBOC Switch Name: FARMINGTON HILLS Switch Type: DMS100 LATA: Detroit MI (340) Tandem: WBFDMIMN20T 🔧 Explore Switch(CLLI: FMHLMIFHDS0))
248-501	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	SOUTHFIELD	SFLDMIMNDS1	00/00/0000	Prefix Type: RBOC Switch Name: SOUTHFIELD DS1 Switch Type: DMS100 LATA: Detroit MI (340) Tandem: WBFDMIMN20T 🔧 Explore Switch(CLLI: SFLDMIMNDS1))
248-503	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	SOUTHFIELD	SFLDMIMNDS1	00/00/0000	Prefix Type: RBOC Switch Name: SOUTHFIELD DS1 Switch Type: DMS100 LATA: Detroit MI (340) Tandem: WBFDMIMN20T 🔧 Explore Switch(CLLI: SFLDMIMNDS1))
248-512	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	PONTIAC	ABHLMIBHDS0	00/00/0000	Prefix Type: RBOC Switch Name: AUBURN HILLS Switch Type: DMS100 LATA: Detroit MI (340) Tandem: TROYMIMN55T 🔧 Explore Switch(CLLI: ABHLMIBHDS0))
248-524	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	TROY	TROYMIMNRPA	00/00/0000	Prefix Type: RBOC Switch Name: TROY Switch Type: N/A LATA: Detroit MI (340) Tandem: N/A 🔧 Explore Switch(CLLI: TROYMIMNRPA))
248-526	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	TROY	TROYMIMNRPA	00/00/0000	Prefix Type: RBOC Switch Name: TROY Switch Type: N/A LATA: Detroit MI (340) Tandem: N/A 🔧 Explore Switch(CLLI: TROYMIMNRPA))
248-528	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	TROY	TROYMIMNDS0	00/00/0000	Prefix Type: RBOC Switch Name: TROY MAIN DS0 Switch Type: DMS100 LATA: Detroit MI (340) Tandem: WBFDMIMN20T 🔧 Explore Switch(CLLI: TROYMIMNDS0))
248-528 is split into 1,000-number blocks - detail below
248-528-0XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	TROY	TROYMIMNDS0	N/A	Prefix Type: RBOC Switch Name: TROY MAIN DS0 Switch Type: DMS100 LATA: Detroit MI (340) Tandem: WBFDMIMN20T 🔧 Explore Switch(CLLI: TROYMIMNDS0))
248-528-1XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	TROY	TROYMIMNDS0	N/A	Prefix Type: RBOC Switch Name: TROY MAIN DS0 Switch Type: DMS100 LATA: Detroit MI (340) Tandem: WBFDMIMN20T 🔧 Explore Switch(CLLI: TROYMIMNDS0))
248-528-2XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	TROY	TROYMIMNDS0	N/A	Prefix Type: RBOC Switch Name: TROY MAIN DS0 Switch Type: DMS100 LATA: Detroit MI (340) Tandem: WBFDMIMN20T 🔧 Explore Switch(CLLI: TROYMIMNDS0))
248-528-3XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	TROY	TROYMIMNDS0	N/A	Prefix Type: RBOC Switch Name: TROY MAIN DS0 Switch Type: DMS100 LATA: Detroit MI (340) Tandem: WBFDMIMN20T 🔧 Explore Switch(CLLI: TROYMIMNDS0))
248-528-4XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	TROY	TROYMIMNDS0	N/A	Prefix Type: RBOC Switch Name: TROY MAIN DS0 Switch Type: DMS100 LATA: Detroit MI (340) Tandem: WBFDMIMN20T 🔧 Explore Switch(CLLI: TROYMIMNDS0))
248-528-5XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	TROY	TROYMIMNDS0	N/A	Prefix Type: RBOC Switch Name: TROY MAIN DS0 Switch Type: DMS100 LATA: Detroit MI (340) Tandem: WBFDMIMN20T 🔧 Explore Switch(CLLI: TROYMIMNDS0))
248-528-6XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	TROY	TROYMIMNDS0	N/A	Prefix Type: RBOC Switch Name: TROY MAIN DS0 Switch Type: DMS100 LATA: Detroit MI (340) Tandem: WBFDMIMN20T 🔧 Explore Switch(CLLI: TROYMIMNDS0))
248-528-8XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	TROY	TROYMIMNDS0	N/A	Prefix Type: RBOC Switch Name: TROY MAIN DS0 Switch Type: DMS100 LATA: Detroit MI (340) Tandem: WBFDMIMN20T 🔧 Explore Switch(CLLI: TROYMIMNDS0))
248-528-9XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	TROY	TROYMIMNDS0	N/A	Prefix Type: RBOC Switch Name: TROY MAIN DS0 Switch Type: DMS100 LATA: Detroit MI (340) Tandem: WBFDMIMN20T 🔧 Explore Switch(CLLI: TROYMIMNDS0))
248-537 is split into 1,000-number blocks - detail below
248-537-6XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	AUBURN HTS	ABHGMIMNDS0	11/16/2009	Prefix Type: RBOC Switch Name: AUBURN HEIGHTS Switch Type: EWSD LATA: Detroit MI (340) Tandem: WBFDMIMN20T 🔧 Explore Switch(CLLI: ABHGMIMNDS0))
248-538	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	W BLOOMFLD	WBFDMIMNDS0	00/00/0000	Prefix Type: RBOC Switch Name: WEST BLOOMFIELD DS0 Switch Type: EWSD LATA: Detroit MI (340) Tandem: WBFDMIMN20T 🔧 Explore Switch(CLLI: WBFDMIMNDS0))
248-539	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	W BLOOMFLD	WBFDMIMNDS0	00/00/0000	Prefix Type: RBOC Switch Name: WEST BLOOMFIELD DS0 Switch Type: EWSD LATA: Detroit MI (340) Tandem: WBFDMIMN20T 🔧 Explore Switch(CLLI: WBFDMIMNDS0))
248-540	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	BIRMINGHAM	BRHMMIMNDS0	00/00/0000	Prefix Type: RBOC Switch Name: BIRMINGHAM DS0 Switch Type: EWSD LATA: Detroit MI (340) Tandem: TROYMIMN55T 🔧 Explore Switch(CLLI: BRHMMIMNDS0))
248-541	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	ROYAL OAK	RYLOMIMNDS0	00/00/0000	Prefix Type: RBOC Switch Name: ROYAL OAK DS0 Switch Type: 5ESS LATA: Detroit MI (340) Tandem: WBFDMIMN20T 🔧 Explore Switch(CLLI: RYLOMIMNDS0))
248-542	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	ROYAL OAK	RYLOMIMNDS0	00/00/0000	Prefix Type: RBOC Switch Name: ROYAL OAK DS0 Switch Type: 5ESS LATA: Detroit MI (340) Tandem: WBFDMIMN20T 🔧 Explore Switch(CLLI: RYLOMIMNDS0))
248-543	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	ROYAL OAK	RYLOMIMNDS0	00/00/0000	Prefix Type: RBOC Switch Name: ROYAL OAK DS0 Switch Type: 5ESS LATA: Detroit MI (340) Tandem: WBFDMIMN20T 🔧 Explore Switch(CLLI: RYLOMIMNDS0))
248-544	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	ROYAL OAK	RYLOMIMNDS0	00/00/0000	Prefix Type: RBOC Switch Name: ROYAL OAK DS0 Switch Type: 5ESS LATA: Detroit MI (340) Tandem: WBFDMIMN20T 🔧 Explore Switch(CLLI: RYLOMIMNDS0))
248-545	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	ROYAL OAK	RYLOMIMNDS0	00/00/0000	Prefix Type: RBOC Switch Name: ROYAL OAK DS0 Switch Type: 5ESS LATA: Detroit MI (340) Tandem: WBFDMIMN20T 🔧 Explore Switch(CLLI: RYLOMIMNDS0))
248-546	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	ROYAL OAK	RYLOMIMNDS0	00/00/0000	Prefix Type: RBOC Switch Name: ROYAL OAK DS0 Switch Type: 5ESS LATA: Detroit MI (340) Tandem: WBFDMIMN20T 🔧 Explore Switch(CLLI: RYLOMIMNDS0))
248-547	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	ROYAL OAK	RYLOMIMNDS0	00/00/0000	Prefix Type: RBOC Switch Name: ROYAL OAK DS0 Switch Type: 5ESS LATA: Detroit MI (340) Tandem: WBFDMIMN20T 🔧 Explore Switch(CLLI: RYLOMIMNDS0))
248-548	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	ROYAL OAK	RYLOMIMNDS0	00/00/0000	Prefix Type: RBOC Switch Name: ROYAL OAK DS0 Switch Type: 5ESS LATA: Detroit MI (340) Tandem: WBFDMIMN20T 🔧 Explore Switch(CLLI: RYLOMIMNDS0))
248-549	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	ROYAL OAK	BRHMMIMNDS0	00/00/0000	Prefix Type: RBOC Switch Name: BIRMINGHAM DS0 Switch Type: EWSD LATA: Detroit MI (340) Tandem: TROYMIMN55T 🔧 Explore Switch(CLLI: BRHMMIMNDS0))
248-551	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	ROYAL OAK	TROYMISMDS0	00/00/0000	Prefix Type: RBOC Switch Name: TROY SOMERSET DS0 Switch Type: DMS100 LATA: Detroit MI (340) Tandem: WBFDMIMN20T 🔧 Explore Switch(CLLI: TROYMISMDS0))
248-552	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	SOUTHFIELD	SFLDMIOKDS0	00/00/0000	Prefix Type: RBOC Switch Name: SFLD OAKFIELD DS0 Switch Type: 5ESS LATA: Detroit MI (340) Tandem: WBFDMIMN20T 🔧 Explore Switch(CLLI: SFLDMIOKDS0))
248-553	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	FARMINGTON	FMHLMIFHDS0	00/00/0000	Prefix Type: RBOC Switch Name: FARMINGTON HILLS Switch Type: DMS100 LATA: Detroit MI (340) Tandem: WBFDMIMN20T 🔧 Explore Switch(CLLI: FMHLMIFHDS0))
248-554	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	ROYAL OAK	BRHMMIMNDS0	00/00/0000	Prefix Type: RBOC Switch Name: BIRMINGHAM DS0 Switch Type: EWSD LATA: Detroit MI (340) Tandem: TROYMIMN55T 🔧 Explore Switch(CLLI: BRHMMIMNDS0))
248-554 is split into 1,000-number blocks - detail below
248-554-0XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	ROYAL OAK	BRHMMIMNDS0	N/A	Prefix Type: RBOC Switch Name: BIRMINGHAM DS0 Switch Type: EWSD LATA: Detroit MI (340) Tandem: TROYMIMN55T 🔧 Explore Switch(CLLI: BRHMMIMNDS0))
248-554-4XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	ROYAL OAK	BRHMMIMNDS0	N/A	Prefix Type: RBOC Switch Name: BIRMINGHAM DS0 Switch Type: EWSD LATA: Detroit MI (340) Tandem: TROYMIMN55T 🔧 Explore Switch(CLLI: BRHMMIMNDS0))
248-554-6XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	ROYAL OAK	BRHMMIMNDS0	N/A	Prefix Type: RBOC Switch Name: BIRMINGHAM DS0 Switch Type: EWSD LATA: Detroit MI (340) Tandem: TROYMIMN55T 🔧 Explore Switch(CLLI: BRHMMIMNDS0))
248-554-8XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	ROYAL OAK	BRHMMIMNDS0	N/A	Prefix Type: RBOC Switch Name: BIRMINGHAM DS0 Switch Type: EWSD LATA: Detroit MI (340) Tandem: TROYMIMN55T 🔧 Explore Switch(CLLI: BRHMMIMNDS0))
248-554-9XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	ROYAL OAK	BRHMMIMNDS0	N/A	Prefix Type: RBOC Switch Name: BIRMINGHAM DS0 Switch Type: EWSD LATA: Detroit MI (340) Tandem: TROYMIMN55T 🔧 Explore Switch(CLLI: BRHMMIMNDS0))
248-557	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	SOUTHFIELD	SFLDMIOKDS0	00/00/0000	Prefix Type: RBOC Switch Name: SFLD OAKFIELD DS0 Switch Type: 5ESS LATA: Detroit MI (340) Tandem: WBFDMIMN20T 🔧 Explore Switch(CLLI: SFLDMIOKDS0))
248-559	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	SOUTHFIELD	SFLDMIOKDS0	00/00/0000	Prefix Type: RBOC Switch Name: SFLD OAKFIELD DS0 Switch Type: 5ESS LATA: Detroit MI (340) Tandem: WBFDMIMN20T 🔧 Explore Switch(CLLI: SFLDMIOKDS0))
248-569	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	SOUTHFIELD	SFLDMIOKDS0	00/00/0000	Prefix Type: RBOC Switch Name: SFLD OAKFIELD DS0 Switch Type: 5ESS LATA: Detroit MI (340) Tandem: WBFDMIMN20T 🔧 Explore Switch(CLLI: SFLDMIOKDS0))
248-576	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	PONTIAC	ABHLMIBHDS0	00/00/0000	Prefix Type: RBOC Switch Name: AUBURN HILLS Switch Type: DMS100 LATA: Detroit MI (340) Tandem: TROYMIMN55T 🔧 Explore Switch(CLLI: ABHLMIBHDS0))
248-577	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	ROYAL OAK	TROYMIMNRPA	00/00/0000	Prefix Type: RBOC Switch Name: TROY Switch Type: N/A LATA: Detroit MI (340) Tandem: N/A 🔧 Explore Switch(CLLI: TROYMIMNRPA))
248-582	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	ROYAL OAK	RYLOMIMNDS0	00/00/0000	Prefix Type: RBOC Switch Name: ROYAL OAK DS0 Switch Type: 5ESS LATA: Detroit MI (340) Tandem: WBFDMIMN20T 🔧 Explore Switch(CLLI: RYLOMIMNDS0))
248-582 is split into 1,000-number blocks - detail below
248-582-0XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	ROYAL OAK	RYLOMIMNDS0	N/A	Prefix Type: RBOC Switch Name: ROYAL OAK DS0 Switch Type: 5ESS LATA: Detroit MI (340) Tandem: WBFDMIMN20T 🔧 Explore Switch(CLLI: RYLOMIMNDS0))
248-582-1XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	ROYAL OAK	RYLOMIMNDS0	N/A	Prefix Type: RBOC Switch Name: ROYAL OAK DS0 Switch Type: 5ESS LATA: Detroit MI (340) Tandem: WBFDMIMN20T 🔧 Explore Switch(CLLI: RYLOMIMNDS0))
248-582-2XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	ROYAL OAK	RYLOMIMNDS0	N/A	Prefix Type: RBOC Switch Name: ROYAL OAK DS0 Switch Type: 5ESS LATA: Detroit MI (340) Tandem: WBFDMIMN20T 🔧 Explore Switch(CLLI: RYLOMIMNDS0))
248-582-3XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	ROYAL OAK	RYLOMIMNDS0	N/A	Prefix Type: RBOC Switch Name: ROYAL OAK DS0 Switch Type: 5ESS LATA: Detroit MI (340) Tandem: WBFDMIMN20T 🔧 Explore Switch(CLLI: RYLOMIMNDS0))
248-582-5XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	ROYAL OAK	RYLOMIMNDS0	N/A	Prefix Type: RBOC Switch Name: ROYAL OAK DS0 Switch Type: 5ESS LATA: Detroit MI (340) Tandem: WBFDMIMN20T 🔧 Explore Switch(CLLI: RYLOMIMNDS0))
248-582-8XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	ROYAL OAK	RYLOMIMNDS0	N/A	Prefix Type: RBOC Switch Name: ROYAL OAK DS0 Switch Type: 5ESS LATA: Detroit MI (340) Tandem: WBFDMIMN20T 🔧 Explore Switch(CLLI: RYLOMIMNDS0))
248-582-9XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	ROYAL OAK	RYLOMIMNDS0	N/A	Prefix Type: RBOC Switch Name: ROYAL OAK DS0 Switch Type: 5ESS LATA: Detroit MI (340) Tandem: WBFDMIMN20T 🔧 Explore Switch(CLLI: RYLOMIMNDS0))
248-583	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	ROYAL OAK	TROYMIMNRPA	00/00/0000	Prefix Type: RBOC Switch Name: TROY Switch Type: N/A LATA: Detroit MI (340) Tandem: N/A 🔧 Explore Switch(CLLI: TROYMIMNRPA))
248-584	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	ROYAL OAK	RYLOMIMNDS0	00/00/0000	Prefix Type: RBOC Switch Name: ROYAL OAK DS0 Switch Type: 5ESS LATA: Detroit MI (340) Tandem: WBFDMIMN20T 🔧 Explore Switch(CLLI: RYLOMIMNDS0))
248-585	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	ROYAL OAK	TROYMIMNRPA	00/00/0000	Prefix Type: RBOC Switch Name: TROY Switch Type: N/A LATA: Detroit MI (340) Tandem: N/A 🔧 Explore Switch(CLLI: TROYMIMNRPA))
248-586	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	ROYAL OAK	RYLOMIMNDS0	00/00/0000	Prefix Type: RBOC Switch Name: ROYAL OAK DS0 Switch Type: 5ESS LATA: Detroit MI (340) Tandem: WBFDMIMN20T 🔧 Explore Switch(CLLI: RYLOMIMNDS0))
248-586 is split into 1,000-number blocks - detail below
248-586-0XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	ROYAL OAK	RYLOMIMNDS0	N/A	Prefix Type: RBOC Switch Name: ROYAL OAK DS0 Switch Type: 5ESS LATA: Detroit MI (340) Tandem: WBFDMIMN20T 🔧 Explore Switch(CLLI: RYLOMIMNDS0))
248-586-1XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	ROYAL OAK	RYLOMIMNDS0	N/A	Prefix Type: RBOC Switch Name: ROYAL OAK DS0 Switch Type: 5ESS LATA: Detroit MI (340) Tandem: WBFDMIMN20T 🔧 Explore Switch(CLLI: RYLOMIMNDS0))
248-586-2XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	ROYAL OAK	RYLOMIMNDS0	N/A	Prefix Type: RBOC Switch Name: ROYAL OAK DS0 Switch Type: 5ESS LATA: Detroit MI (340) Tandem: WBFDMIMN20T 🔧 Explore Switch(CLLI: RYLOMIMNDS0))
248-586-3XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	ROYAL OAK	RYLOMIMNDS0	N/A	Prefix Type: RBOC Switch Name: ROYAL OAK DS0 Switch Type: 5ESS LATA: Detroit MI (340) Tandem: WBFDMIMN20T 🔧 Explore Switch(CLLI: RYLOMIMNDS0))
248-586-5XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	ROYAL OAK	RYLOMIMNDS0	N/A	Prefix Type: RBOC Switch Name: ROYAL OAK DS0 Switch Type: 5ESS LATA: Detroit MI (340) Tandem: WBFDMIMN20T 🔧 Explore Switch(CLLI: RYLOMIMNDS0))
248-586-6XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	ROYAL OAK	RYLOMIMNDS0	N/A	Prefix Type: RBOC Switch Name: ROYAL OAK DS0 Switch Type: 5ESS LATA: Detroit MI (340) Tandem: WBFDMIMN20T 🔧 Explore Switch(CLLI: RYLOMIMNDS0))
248-586-7XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	ROYAL OAK	RYLOMIMNDS0	N/A	Prefix Type: RBOC Switch Name: ROYAL OAK DS0 Switch Type: 5ESS LATA: Detroit MI (340) Tandem: WBFDMIMN20T 🔧 Explore Switch(CLLI: RYLOMIMNDS0))
248-586-8XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	ROYAL OAK	RYLOMIMNDS0	N/A	Prefix Type: RBOC Switch Name: ROYAL OAK DS0 Switch Type: 5ESS LATA: Detroit MI (340) Tandem: WBFDMIMN20T 🔧 Explore Switch(CLLI: RYLOMIMNDS0))
248-586-9XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	ROYAL OAK	RYLOMIMNDS0	N/A	Prefix Type: RBOC Switch Name: ROYAL OAK DS0 Switch Type: 5ESS LATA: Detroit MI (340) Tandem: WBFDMIMN20T 🔧 Explore Switch(CLLI: RYLOMIMNDS0))
248-588	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	ROYAL OAK	TROYMIMNRPA	00/00/0000	Prefix Type: RBOC Switch Name: TROY Switch Type: N/A LATA: Detroit MI (340) Tandem: N/A 🔧 Explore Switch(CLLI: TROYMIMNRPA))
248-589	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	ROYAL OAK	TROYMIMNRPA	00/00/0000	Prefix Type: RBOC Switch Name: TROY Switch Type: N/A LATA: Detroit MI (340) Tandem: N/A 🔧 Explore Switch(CLLI: TROYMIMNRPA))
248-591	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	ROYAL OAK	RYLOMIMNDS0	00/00/0000	Prefix Type: RBOC Switch Name: ROYAL OAK DS0 Switch Type: 5ESS LATA: Detroit MI (340) Tandem: WBFDMIMN20T 🔧 Explore Switch(CLLI: RYLOMIMNDS0))
248-591 is split into 1,000-number blocks - detail below
248-591-0XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	ROYAL OAK	RYLOMIMNDS0	N/A	Prefix Type: RBOC Switch Name: ROYAL OAK DS0 Switch Type: 5ESS LATA: Detroit MI (340) Tandem: WBFDMIMN20T 🔧 Explore Switch(CLLI: RYLOMIMNDS0))
248-591-1XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	ROYAL OAK	RYLOMIMNDS0	N/A	Prefix Type: RBOC Switch Name: ROYAL OAK DS0 Switch Type: 5ESS LATA: Detroit MI (340) Tandem: WBFDMIMN20T 🔧 Explore Switch(CLLI: RYLOMIMNDS0))
248-591-2XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	ROYAL OAK	RYLOMIMNDS0	N/A	Prefix Type: RBOC Switch Name: ROYAL OAK DS0 Switch Type: 5ESS LATA: Detroit MI (340) Tandem: WBFDMIMN20T 🔧 Explore Switch(CLLI: RYLOMIMNDS0))
248-591-5XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	ROYAL OAK	RYLOMIMNDS0	N/A	Prefix Type: RBOC Switch Name: ROYAL OAK DS0 Switch Type: 5ESS LATA: Detroit MI (340) Tandem: WBFDMIMN20T 🔧 Explore Switch(CLLI: RYLOMIMNDS0))
248-591-6XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	ROYAL OAK	RYLOMIMNDS0	N/A	Prefix Type: RBOC Switch Name: ROYAL OAK DS0 Switch Type: 5ESS LATA: Detroit MI (340) Tandem: WBFDMIMN20T 🔧 Explore Switch(CLLI: RYLOMIMNDS0))
248-591-7XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	ROYAL OAK	RYLOMIMNDS0	N/A	Prefix Type: RBOC Switch Name: ROYAL OAK DS0 Switch Type: 5ESS LATA: Detroit MI (340) Tandem: WBFDMIMN20T 🔧 Explore Switch(CLLI: RYLOMIMNDS0))
248-591-8XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	ROYAL OAK	RYLOMIMNDS0	N/A	Prefix Type: RBOC Switch Name: ROYAL OAK DS0 Switch Type: 5ESS LATA: Detroit MI (340) Tandem: WBFDMIMN20T 🔧 Explore Switch(CLLI: RYLOMIMNDS0))
248-591-9XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	ROYAL OAK	RYLOMIMNDS0	N/A	Prefix Type: RBOC Switch Name: ROYAL OAK DS0 Switch Type: 5ESS LATA: Detroit MI (340) Tandem: WBFDMIMN20T 🔧 Explore Switch(CLLI: RYLOMIMNDS0))
248-592	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	W BLOOMFLD	FMHLMIFHDS0	00/00/0000	Prefix Type: RBOC Switch Name: FARMINGTON HILLS Switch Type: DMS100 LATA: Detroit MI (340) Tandem: WBFDMIMN20T 🔧 Explore Switch(CLLI: FMHLMIFHDS0))
248-592 is split into 1,000-number blocks - detail below
248-592-0XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	W BLOOMFLD	FMHLMIFHDS0	N/A	Prefix Type: RBOC Switch Name: FARMINGTON HILLS Switch Type: DMS100 LATA: Detroit MI (340) Tandem: WBFDMIMN20T 🔧 Explore Switch(CLLI: FMHLMIFHDS0))
248-592-1XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	W BLOOMFLD	FMHLMIFHDS0	N/A	Prefix Type: RBOC Switch Name: FARMINGTON HILLS Switch Type: DMS100 LATA: Detroit MI (340) Tandem: WBFDMIMN20T 🔧 Explore Switch(CLLI: FMHLMIFHDS0))
248-592-2XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	W BLOOMFLD	FMHLMIFHDS0	N/A	Prefix Type: RBOC Switch Name: FARMINGTON HILLS Switch Type: DMS100 LATA: Detroit MI (340) Tandem: WBFDMIMN20T 🔧 Explore Switch(CLLI: FMHLMIFHDS0))
248-592-5XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	W BLOOMFLD	FMHLMIFHDS0	N/A	Prefix Type: RBOC Switch Name: FARMINGTON HILLS Switch Type: DMS100 LATA: Detroit MI (340) Tandem: WBFDMIMN20T 🔧 Explore Switch(CLLI: FMHLMIFHDS0))
248-592-6XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	W BLOOMFLD	FMHLMIFHDS0	N/A	Prefix Type: RBOC Switch Name: FARMINGTON HILLS Switch Type: DMS100 LATA: Detroit MI (340) Tandem: WBFDMIMN20T 🔧 Explore Switch(CLLI: FMHLMIFHDS0))
248-592-8XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	W BLOOMFLD	FMHLMIFHDS0	N/A	Prefix Type: RBOC Switch Name: FARMINGTON HILLS Switch Type: DMS100 LATA: Detroit MI (340) Tandem: WBFDMIMN20T 🔧 Explore Switch(CLLI: FMHLMIFHDS0))
248-592-9XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	W BLOOMFLD	FMHLMIFHDS0	N/A	Prefix Type: RBOC Switch Name: FARMINGTON HILLS Switch Type: DMS100 LATA: Detroit MI (340) Tandem: WBFDMIMN20T 🔧 Explore Switch(CLLI: FMHLMIFHDS0))
248-593	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	BIRMINGHAM	BRHMMIMNDS0	00/00/0000	Prefix Type: RBOC Switch Name: BIRMINGHAM DS0 Switch Type: EWSD LATA: Detroit MI (340) Tandem: TROYMIMN55T 🔧 Explore Switch(CLLI: BRHMMIMNDS0))
248-594	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	BIRMINGHAM	BRHMMIMNDS0	00/00/0000	Prefix Type: RBOC Switch Name: BIRMINGHAM DS0 Switch Type: EWSD LATA: Detroit MI (340) Tandem: TROYMIMN55T 🔧 Explore Switch(CLLI: BRHMMIMNDS0))
248-596	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	NORTHVILLE	NRVLMIMNDS0	00/00/0000	Prefix Type: RBOC Switch Name: NORTHVILLE Switch Type: DMS100 LATA: Detroit MI (340) Tandem: ANARMIMN20T 🔧 Explore Switch(CLLI: NRVLMIMNDS0))
248-597	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	ROYAL OAK	TROYMIMNRPA	00/00/0000	Prefix Type: RBOC Switch Name: TROY Switch Type: N/A LATA: Detroit MI (340) Tandem: N/A 🔧 Explore Switch(CLLI: TROYMIMNRPA))
248-601	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	ROCHESTER	ROCHMIMNDS0	00/00/0000	Prefix Type: RBOC Switch Name: ROCHESTER Switch Type: 5ESS LATA: Detroit MI (340) Tandem: TROYMIMN55T 🔧 Explore Switch(CLLI: ROCHMIMNDS0))
248-603	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	SOUTHFIELD	SFLDMIMNDS1	00/00/0000	Prefix Type: RBOC Switch Name: SOUTHFIELD DS1 Switch Type: DMS100 LATA: Detroit MI (340) Tandem: WBFDMIMN20T 🔧 Explore Switch(CLLI: SFLDMIMNDS1))
248-606	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	AUBURN HTS	ABHGMIMNDS0	12/28/2001	Prefix Type: RBOC Switch Name: AUBURN HEIGHTS Switch Type: EWSD LATA: Detroit MI (340) Tandem: WBFDMIMN20T 🔧 Explore Switch(CLLI: ABHGMIMNDS0))
248-606 is split into 1,000-number blocks - detail below
248-606-6XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	AUBURN HTS	ABHGMIMNDS0	N/A	Prefix Type: RBOC Switch Name: AUBURN HEIGHTS Switch Type: EWSD LATA: Detroit MI (340) Tandem: WBFDMIMN20T 🔧 Explore Switch(CLLI: ABHGMIMNDS0))
248-608	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	ROCHESTER	ROCHMIMNDS0	00/00/0000	Prefix Type: RBOC Switch Name: ROCHESTER Switch Type: 5ESS LATA: Detroit MI (340) Tandem: TROYMIMN55T 🔧 Explore Switch(CLLI: ROCHMIMNDS0))
248-608 is split into 1,000-number blocks - detail below
248-608-0XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	ROCHESTER	ROCHMIMNDS0	N/A	Prefix Type: RBOC Switch Name: ROCHESTER Switch Type: 5ESS LATA: Detroit MI (340) Tandem: TROYMIMN55T 🔧 Explore Switch(CLLI: ROCHMIMNDS0))
248-608-1XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	ROCHESTER	ROCHMIMNDS0	N/A	Prefix Type: RBOC Switch Name: ROCHESTER Switch Type: 5ESS LATA: Detroit MI (340) Tandem: TROYMIMN55T 🔧 Explore Switch(CLLI: ROCHMIMNDS0))
248-608-2XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	ROCHESTER	ROCHMIMNDS0	N/A	Prefix Type: RBOC Switch Name: ROCHESTER Switch Type: 5ESS LATA: Detroit MI (340) Tandem: TROYMIMN55T 🔧 Explore Switch(CLLI: ROCHMIMNDS0))
248-608-3XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	ROCHESTER	ROCHMIMNDS0	N/A	Prefix Type: RBOC Switch Name: ROCHESTER Switch Type: 5ESS LATA: Detroit MI (340) Tandem: TROYMIMN55T 🔧 Explore Switch(CLLI: ROCHMIMNDS0))
248-608-5XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	ROCHESTER	ROCHMIMNDS0	N/A	Prefix Type: RBOC Switch Name: ROCHESTER Switch Type: 5ESS LATA: Detroit MI (340) Tandem: TROYMIMN55T 🔧 Explore Switch(CLLI: ROCHMIMNDS0))
248-608-6XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	ROCHESTER	ROCHMIMNDS0	N/A	Prefix Type: RBOC Switch Name: ROCHESTER Switch Type: 5ESS LATA: Detroit MI (340) Tandem: TROYMIMN55T 🔧 Explore Switch(CLLI: ROCHMIMNDS0))
248-608-7XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	ROCHESTER	ROCHMIMNDS0	N/A	Prefix Type: RBOC Switch Name: ROCHESTER Switch Type: 5ESS LATA: Detroit MI (340) Tandem: TROYMIMN55T 🔧 Explore Switch(CLLI: ROCHMIMNDS0))
248-608-8XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	ROCHESTER	ROCHMIMNDS0	N/A	Prefix Type: RBOC Switch Name: ROCHESTER Switch Type: 5ESS LATA: Detroit MI (340) Tandem: TROYMIMN55T 🔧 Explore Switch(CLLI: ROCHMIMNDS0))
248-608-9XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	ROCHESTER	ROCHMIMNDS0	N/A	Prefix Type: RBOC Switch Name: ROCHESTER Switch Type: 5ESS LATA: Detroit MI (340) Tandem: TROYMIMN55T 🔧 Explore Switch(CLLI: ROCHMIMNDS0))
248-614	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	BIRMINGHAM	TROYMISMDS0	00/00/0000	Prefix Type: RBOC Switch Name: TROY SOMERSET DS0 Switch Type: DMS100 LATA: Detroit MI (340) Tandem: WBFDMIMN20T 🔧 Explore Switch(CLLI: TROYMISMDS0))
248-614 is split into 1,000-number blocks - detail below
248-614-0XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	BIRMINGHAM	TROYMISMDS0	N/A	Prefix Type: RBOC Switch Name: TROY SOMERSET DS0 Switch Type: DMS100 LATA: Detroit MI (340) Tandem: WBFDMIMN20T 🔧 Explore Switch(CLLI: TROYMISMDS0))
248-614-2XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	BIRMINGHAM	TROYMISMDS0	N/A	Prefix Type: RBOC Switch Name: TROY SOMERSET DS0 Switch Type: DMS100 LATA: Detroit MI (340) Tandem: WBFDMIMN20T 🔧 Explore Switch(CLLI: TROYMISMDS0))
248-614-3XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	BIRMINGHAM	TROYMISMDS0	N/A	Prefix Type: RBOC Switch Name: TROY SOMERSET DS0 Switch Type: DMS100 LATA: Detroit MI (340) Tandem: WBFDMIMN20T 🔧 Explore Switch(CLLI: TROYMISMDS0))
248-614-4XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	BIRMINGHAM	TROYMISMDS0	N/A	Prefix Type: RBOC Switch Name: TROY SOMERSET DS0 Switch Type: DMS100 LATA: Detroit MI (340) Tandem: WBFDMIMN20T 🔧 Explore Switch(CLLI: TROYMISMDS0))
248-614-5XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	BIRMINGHAM	TROYMISMDS0	N/A	Prefix Type: RBOC Switch Name: TROY SOMERSET DS0 Switch Type: DMS100 LATA: Detroit MI (340) Tandem: WBFDMIMN20T 🔧 Explore Switch(CLLI: TROYMISMDS0))
248-614-6XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	BIRMINGHAM	TROYMISMDS0	N/A	Prefix Type: RBOC Switch Name: TROY SOMERSET DS0 Switch Type: DMS100 LATA: Detroit MI (340) Tandem: WBFDMIMN20T 🔧 Explore Switch(CLLI: TROYMISMDS0))
248-614-7XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	BIRMINGHAM	TROYMISMDS0	N/A	Prefix Type: RBOC Switch Name: TROY SOMERSET DS0 Switch Type: DMS100 LATA: Detroit MI (340) Tandem: WBFDMIMN20T 🔧 Explore Switch(CLLI: TROYMISMDS0))
248-614-8XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	BIRMINGHAM	TROYMISMDS0	N/A	Prefix Type: RBOC Switch Name: TROY SOMERSET DS0 Switch Type: DMS100 LATA: Detroit MI (340) Tandem: WBFDMIMN20T 🔧 Explore Switch(CLLI: TROYMISMDS0))
248-614-9XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	BIRMINGHAM	TROYMISMDS0	N/A	Prefix Type: RBOC Switch Name: TROY SOMERSET DS0 Switch Type: DMS100 LATA: Detroit MI (340) Tandem: WBFDMIMN20T 🔧 Explore Switch(CLLI: TROYMISMDS0))
248-615	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	FARMINGTON	FRTNMIMNDS0	00/00/0000	Prefix Type: RBOC Switch Name: FARMINGTON DS0 Switch Type: DMS100 LATA: Detroit MI (340) Tandem: WBFDMIMN20T 🔧 Explore Switch(CLLI: FRTNMIMNDS0))
248-616	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	ROYAL OAK	TROYMIMNRPA	00/00/0000	Prefix Type: RBOC Switch Name: TROY Switch Type: N/A LATA: Detroit MI (340) Tandem: N/A 🔧 Explore Switch(CLLI: TROYMIMNRPA))
248-616 is split into 1,000-number blocks - detail below
248-616-0XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	ROYAL OAK	TROYMIMNRPA	N/A	Prefix Type: RBOC Switch Name: TROY Switch Type: N/A LATA: Detroit MI (340) Tandem: N/A 🔧 Explore Switch(CLLI: TROYMIMNRPA))
248-616-1XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	ROYAL OAK	TROYMIMNRPA	N/A	Prefix Type: RBOC Switch Name: TROY Switch Type: N/A LATA: Detroit MI (340) Tandem: N/A 🔧 Explore Switch(CLLI: TROYMIMNRPA))
248-616-2XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	ROYAL OAK	TROYMIMNRPA	N/A	Prefix Type: RBOC Switch Name: TROY Switch Type: N/A LATA: Detroit MI (340) Tandem: N/A 🔧 Explore Switch(CLLI: TROYMIMNRPA))
248-616-3XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	ROYAL OAK	TROYMIMNRPA	N/A	Prefix Type: RBOC Switch Name: TROY Switch Type: N/A LATA: Detroit MI (340) Tandem: N/A 🔧 Explore Switch(CLLI: TROYMIMNRPA))
248-616-5XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	ROYAL OAK	TROYMIMNRPA	N/A	Prefix Type: RBOC Switch Name: TROY Switch Type: N/A LATA: Detroit MI (340) Tandem: N/A 🔧 Explore Switch(CLLI: TROYMIMNRPA))
248-616-6XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	ROYAL OAK	TROYMIMNRPA	N/A	Prefix Type: RBOC Switch Name: TROY Switch Type: N/A LATA: Detroit MI (340) Tandem: N/A 🔧 Explore Switch(CLLI: TROYMIMNRPA))
248-616-7XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	ROYAL OAK	TROYMIMNRPA	N/A	Prefix Type: RBOC Switch Name: TROY Switch Type: N/A LATA: Detroit MI (340) Tandem: N/A 🔧 Explore Switch(CLLI: TROYMIMNRPA))
248-616-8XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	ROYAL OAK	TROYMIMNRPA	N/A	Prefix Type: RBOC Switch Name: TROY Switch Type: N/A LATA: Detroit MI (340) Tandem: N/A 🔧 Explore Switch(CLLI: TROYMIMNRPA))
248-616-9XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	ROYAL OAK	TROYMIMNRPA	N/A	Prefix Type: RBOC Switch Name: TROY Switch Type: N/A LATA: Detroit MI (340) Tandem: N/A 🔧 Explore Switch(CLLI: TROYMIMNRPA))
248-618	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	DRAYTON PL	DRPLMIDPDS0	00/00/0000	Prefix Type: RBOC Switch Name: DRAYTON PLAINS Switch Type: 5ESS LATA: Detroit MI (340) Tandem: TROYMIMN55T 🔧 Explore Switch(CLLI: DRPLMIDPDS0))
248-618 is split into 1,000-number blocks - detail below
248-618-0XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	DRAYTON PL	DRPLMIDPDS0	N/A	Prefix Type: RBOC Switch Name: DRAYTON PLAINS Switch Type: 5ESS LATA: Detroit MI (340) Tandem: TROYMIMN55T 🔧 Explore Switch(CLLI: DRPLMIDPDS0))
248-618-1XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	DRAYTON PL	DRPLMIDPDS0	N/A	Prefix Type: RBOC Switch Name: DRAYTON PLAINS Switch Type: 5ESS LATA: Detroit MI (340) Tandem: TROYMIMN55T 🔧 Explore Switch(CLLI: DRPLMIDPDS0))
248-618-4XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	DRAYTON PL	DRPLMIDPDS0	N/A	Prefix Type: RBOC Switch Name: DRAYTON PLAINS Switch Type: 5ESS LATA: Detroit MI (340) Tandem: TROYMIMN55T 🔧 Explore Switch(CLLI: DRPLMIDPDS0))
248-618-6XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	DRAYTON PL	DRPLMIDPDS0	N/A	Prefix Type: RBOC Switch Name: DRAYTON PLAINS Switch Type: 5ESS LATA: Detroit MI (340) Tandem: TROYMIMN55T 🔧 Explore Switch(CLLI: DRPLMIDPDS0))
248-618-7XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	DRAYTON PL	DRPLMIDPDS0	N/A	Prefix Type: RBOC Switch Name: DRAYTON PLAINS Switch Type: 5ESS LATA: Detroit MI (340) Tandem: TROYMIMN55T 🔧 Explore Switch(CLLI: DRPLMIDPDS0))
248-618-8XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	DRAYTON PL	DRPLMIDPDS0	N/A	Prefix Type: RBOC Switch Name: DRAYTON PLAINS Switch Type: 5ESS LATA: Detroit MI (340) Tandem: TROYMIMN55T 🔧 Explore Switch(CLLI: DRPLMIDPDS0))
248-618-9XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	DRAYTON PL	DRPLMIDPDS0	N/A	Prefix Type: RBOC Switch Name: DRAYTON PLAINS Switch Type: 5ESS LATA: Detroit MI (340) Tandem: TROYMIMN55T 🔧 Explore Switch(CLLI: DRPLMIDPDS0))
248-619	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	TROY	TROYMIMNDS0	00/00/0000	Prefix Type: RBOC Switch Name: TROY MAIN DS0 Switch Type: DMS100 LATA: Detroit MI (340) Tandem: WBFDMIMN20T 🔧 Explore Switch(CLLI: TROYMIMNDS0))
248-619 is split into 1,000-number blocks - detail below
248-619-0XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	TROY	TROYMIMNDS0	N/A	Prefix Type: RBOC Switch Name: TROY MAIN DS0 Switch Type: DMS100 LATA: Detroit MI (340) Tandem: WBFDMIMN20T 🔧 Explore Switch(CLLI: TROYMIMNDS0))
248-619-1XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	TROY	TROYMIMNDS0	N/A	Prefix Type: RBOC Switch Name: TROY MAIN DS0 Switch Type: DMS100 LATA: Detroit MI (340) Tandem: WBFDMIMN20T 🔧 Explore Switch(CLLI: TROYMIMNDS0))
248-619-2XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	TROY	TROYMIMNDS0	N/A	Prefix Type: RBOC Switch Name: TROY MAIN DS0 Switch Type: DMS100 LATA: Detroit MI (340) Tandem: WBFDMIMN20T 🔧 Explore Switch(CLLI: TROYMIMNDS0))
248-619-3XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	TROY	TROYMIMNDS0	N/A	Prefix Type: RBOC Switch Name: TROY MAIN DS0 Switch Type: DMS100 LATA: Detroit MI (340) Tandem: WBFDMIMN20T 🔧 Explore Switch(CLLI: TROYMIMNDS0))
248-619-7XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	TROY	TROYMIMNDS0	N/A	Prefix Type: RBOC Switch Name: TROY MAIN DS0 Switch Type: DMS100 LATA: Detroit MI (340) Tandem: WBFDMIMN20T 🔧 Explore Switch(CLLI: TROYMIMNDS0))
248-619-8XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	TROY	TROYMIMNDS0	N/A	Prefix Type: RBOC Switch Name: TROY MAIN DS0 Switch Type: DMS100 LATA: Detroit MI (340) Tandem: WBFDMIMN20T 🔧 Explore Switch(CLLI: TROYMIMNDS0))
248-619-9XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	TROY	TROYMIMNDS0	N/A	Prefix Type: RBOC Switch Name: TROY MAIN DS0 Switch Type: DMS100 LATA: Detroit MI (340) Tandem: WBFDMIMN20T 🔧 Explore Switch(CLLI: TROYMIMNDS0))
248-620	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	CLARKSTON	CKTNMIMNDS0	00/00/0000	Prefix Type: RBOC Switch Name: CLARKSTON Switch Type: 5ESS LATA: Detroit MI (340) Tandem: TROYMIMN55T 🔧 Explore Switch(CLLI: CKTNMIMNDS0))
248-623	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	DRAYTON PL	CKTNMIMNDS0	00/00/0000	Prefix Type: RBOC Switch Name: CLARKSTON Switch Type: 5ESS LATA: Detroit MI (340) Tandem: TROYMIMN55T 🔧 Explore Switch(CLLI: CKTNMIMNDS0))
248-624	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	WALLEDLAKE	WDLKMIMNDS0	00/00/0000	Prefix Type: RBOC Switch Name: WALLED LAKE Switch Type: DMS100 LATA: Detroit MI (340) Tandem: WBFDMIMN20T 🔧 Explore Switch(CLLI: WDLKMIMNDS0))
248-625	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	CLARKSTON	CKTNMIMNDS0	00/00/0000	Prefix Type: RBOC Switch Name: CLARKSTON Switch Type: 5ESS LATA: Detroit MI (340) Tandem: TROYMIMN55T 🔧 Explore Switch(CLLI: CKTNMIMNDS0))
248-626	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	W BLOOMFLD	WBFDMIMNDS0	00/00/0000	Prefix Type: RBOC Switch Name: WEST BLOOMFIELD DS0 Switch Type: EWSD LATA: Detroit MI (340) Tandem: WBFDMIMN20T 🔧 Explore Switch(CLLI: WBFDMIMNDS0))
248-628	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	OXFORD	OXFRMIOXDS0	00/00/0000	Prefix Type: RBOC Switch Name: OXFORD Switch Type: EWSD LATA: Detroit MI (340) Tandem: TROYMIMN55T 🔧 Explore Switch(CLLI: OXFRMIOXDS0))
248-634	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	HOLLY	HLLYMIHYRS1	00/00/0000	Prefix Type: RBOC Switch Name: HOLLY RS1 Switch Type: N/A LATA: Detroit MI (340) Tandem: TROYMIMN55T 🔧 Explore Switch(CLLI: HLLYMIHYRS1))
248-637	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	BIRMINGHAM	TROYMISMDS0	00/00/0000	Prefix Type: RBOC Switch Name: TROY SOMERSET DS0 Switch Type: DMS100 LATA: Detroit MI (340) Tandem: WBFDMIMN20T 🔧 Explore Switch(CLLI: TROYMISMDS0))
248-641	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	BIRMINGHAM	ABHGMIMNDS0	00/00/0000	Prefix Type: RBOC Switch Name: AUBURN HEIGHTS Switch Type: EWSD LATA: Detroit MI (340) Tandem: WBFDMIMN20T 🔧 Explore Switch(CLLI: ABHGMIMNDS0))
248-642	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	BIRMINGHAM	BRHMMIMNDS0	00/00/0000	Prefix Type: RBOC Switch Name: BIRMINGHAM DS0 Switch Type: EWSD LATA: Detroit MI (340) Tandem: TROYMIMN55T 🔧 Explore Switch(CLLI: BRHMMIMNDS0))
248-643	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	BIRMINGHAM	TROYMISMDS0	00/00/0000	Prefix Type: RBOC Switch Name: TROY SOMERSET DS0 Switch Type: DMS100 LATA: Detroit MI (340) Tandem: WBFDMIMN20T 🔧 Explore Switch(CLLI: TROYMISMDS0))
248-644	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	BIRMINGHAM	BRHMMIMNDS0	00/00/0000	Prefix Type: RBOC Switch Name: BIRMINGHAM DS0 Switch Type: EWSD LATA: Detroit MI (340) Tandem: TROYMIMN55T 🔧 Explore Switch(CLLI: BRHMMIMNDS0))
248-645	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	BIRMINGHAM	BRHMMIMNDS0	00/00/0000	Prefix Type: RBOC Switch Name: BIRMINGHAM DS0 Switch Type: EWSD LATA: Detroit MI (340) Tandem: TROYMIMN55T 🔧 Explore Switch(CLLI: BRHMMIMNDS0))
248-646	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	BIRMINGHAM	BRHMMIMNDS0	00/00/0000	Prefix Type: RBOC Switch Name: BIRMINGHAM DS0 Switch Type: EWSD LATA: Detroit MI (340) Tandem: TROYMIMN55T 🔧 Explore Switch(CLLI: BRHMMIMNDS0))
248-647	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	BIRMINGHAM	BRHMMIMNDS0	00/00/0000	Prefix Type: RBOC Switch Name: BIRMINGHAM DS0 Switch Type: EWSD LATA: Detroit MI (340) Tandem: TROYMIMN55T 🔧 Explore Switch(CLLI: BRHMMIMNDS0))
248-649	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	BIRMINGHAM	TROYMISMDS0	00/00/0000	Prefix Type: RBOC Switch Name: TROY SOMERSET DS0 Switch Type: DMS100 LATA: Detroit MI (340) Tandem: WBFDMIMN20T 🔧 Explore Switch(CLLI: TROYMISMDS0))
248-650	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	ROCHESTER	ROCHMIMNDS0	00/00/0000	Prefix Type: RBOC Switch Name: ROCHESTER Switch Type: 5ESS LATA: Detroit MI (340) Tandem: TROYMIMN55T 🔧 Explore Switch(CLLI: ROCHMIMNDS0))
248-651	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	ROCHESTER	ROCHMIMNDS0	00/00/0000	Prefix Type: RBOC Switch Name: ROCHESTER Switch Type: 5ESS LATA: Detroit MI (340) Tandem: TROYMIMN55T 🔧 Explore Switch(CLLI: ROCHMIMNDS0))
248-652	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	ROCHESTER	ROCHMIMNDS0	00/00/0000	Prefix Type: RBOC Switch Name: ROCHESTER Switch Type: 5ESS LATA: Detroit MI (340) Tandem: TROYMIMN55T 🔧 Explore Switch(CLLI: ROCHMIMNDS0))
248-655	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	ROYAL OAK	TROYMISMDS0	00/00/0000	Prefix Type: RBOC Switch Name: TROY SOMERSET DS0 Switch Type: DMS100 LATA: Detroit MI (340) Tandem: WBFDMIMN20T 🔧 Explore Switch(CLLI: TROYMISMDS0))
248-655 is split into 1,000-number blocks - detail below
248-655-0XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	ROYAL OAK	TROYMISMDS0	N/A	Prefix Type: RBOC Switch Name: TROY SOMERSET DS0 Switch Type: DMS100 LATA: Detroit MI (340) Tandem: WBFDMIMN20T 🔧 Explore Switch(CLLI: TROYMISMDS0))
248-655-1XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	ROYAL OAK	TROYMISMDS0	N/A	Prefix Type: RBOC Switch Name: TROY SOMERSET DS0 Switch Type: DMS100 LATA: Detroit MI (340) Tandem: WBFDMIMN20T 🔧 Explore Switch(CLLI: TROYMISMDS0))
248-655-2XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	ROYAL OAK	TROYMISMDS0	N/A	Prefix Type: RBOC Switch Name: TROY SOMERSET DS0 Switch Type: DMS100 LATA: Detroit MI (340) Tandem: WBFDMIMN20T 🔧 Explore Switch(CLLI: TROYMISMDS0))
248-655-3XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	ROYAL OAK	TROYMISMDS0	N/A	Prefix Type: RBOC Switch Name: TROY SOMERSET DS0 Switch Type: DMS100 LATA: Detroit MI (340) Tandem: WBFDMIMN20T 🔧 Explore Switch(CLLI: TROYMISMDS0))
248-655-4XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	ROYAL OAK	TROYMISMDS0	N/A	Prefix Type: RBOC Switch Name: TROY SOMERSET DS0 Switch Type: DMS100 LATA: Detroit MI (340) Tandem: WBFDMIMN20T 🔧 Explore Switch(CLLI: TROYMISMDS0))
248-655-5XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	ROYAL OAK	TROYMISMDS0	N/A	Prefix Type: RBOC Switch Name: TROY SOMERSET DS0 Switch Type: DMS100 LATA: Detroit MI (340) Tandem: WBFDMIMN20T 🔧 Explore Switch(CLLI: TROYMISMDS0))
248-655-8XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	ROYAL OAK	TROYMISMDS0	N/A	Prefix Type: RBOC Switch Name: TROY SOMERSET DS0 Switch Type: DMS100 LATA: Detroit MI (340) Tandem: WBFDMIMN20T 🔧 Explore Switch(CLLI: TROYMISMDS0))
248-655-9XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	ROYAL OAK	TROYMISMDS0	N/A	Prefix Type: RBOC Switch Name: TROY SOMERSET DS0 Switch Type: DMS100 LATA: Detroit MI (340) Tandem: WBFDMIMN20T 🔧 Explore Switch(CLLI: TROYMISMDS0))
248-656	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	ROCHESTER	ROCHMIMNDS0	00/00/0000	Prefix Type: RBOC Switch Name: ROCHESTER Switch Type: 5ESS LATA: Detroit MI (340) Tandem: TROYMIMN55T 🔧 Explore Switch(CLLI: ROCHMIMNDS0))
248-661	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	W BLOOMFLD	FMHLMIFHDS0	00/00/0000	Prefix Type: RBOC Switch Name: FARMINGTON HILLS Switch Type: DMS100 LATA: Detroit MI (340) Tandem: WBFDMIMN20T 🔧 Explore Switch(CLLI: FMHLMIFHDS0))
248-666	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	DRAYTON PL	CMRCMINRRS2	00/00/0000	Prefix Type: RBOC Switch Name: COMMERCE NR RS2 Switch Type: N/A LATA: Detroit MI (340) Tandem: TROYMIMN55T 🔧 Explore Switch(CLLI: CMRCMINRRS2))
248-668	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	WALLEDLAKE	WDLKMIMNDS0	00/00/0000	Prefix Type: RBOC Switch Name: WALLED LAKE Switch Type: DMS100 LATA: Detroit MI (340) Tandem: WBFDMIMN20T 🔧 Explore Switch(CLLI: WDLKMIMNDS0))
248-669	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	WALLEDLAKE	WDLKMIMNDS0	00/00/0000	Prefix Type: RBOC Switch Name: WALLED LAKE Switch Type: DMS100 LATA: Detroit MI (340) Tandem: WBFDMIMN20T 🔧 Explore Switch(CLLI: WDLKMIMNDS0))
248-673	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	DRAYTON PL	DRPLMIDPDS0	00/00/0000	Prefix Type: RBOC Switch Name: DRAYTON PLAINS Switch Type: 5ESS LATA: Detroit MI (340) Tandem: TROYMIMN55T 🔧 Explore Switch(CLLI: DRPLMIDPDS0))
248-674	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	DRAYTON PL	DRPLMIDPDS0	00/00/0000	Prefix Type: RBOC Switch Name: DRAYTON PLAINS Switch Type: 5ESS LATA: Detroit MI (340) Tandem: TROYMIMN55T 🔧 Explore Switch(CLLI: DRPLMIDPDS0))
248-680	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	TROY	TROYMIMNRPA	00/00/0000	Prefix Type: RBOC Switch Name: TROY Switch Type: N/A LATA: Detroit MI (340) Tandem: N/A 🔧 Explore Switch(CLLI: TROYMIMNRPA))
248-681	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	PONTIAC	PNTCMIWSRP0	00/00/0000	Prefix Type: RBOC Switch Name: PONTIAC Switch Type: N/A LATA: Detroit MI (340) Tandem: N/A 🔧 Explore Switch(CLLI: PNTCMIWSRP0))
248-682	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	PONTIAC	PNTCMIWSRP0	00/00/0000	Prefix Type: RBOC Switch Name: PONTIAC Switch Type: N/A LATA: Detroit MI (340) Tandem: N/A 🔧 Explore Switch(CLLI: PNTCMIWSRP0))
248-683	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	PONTIAC	PNTCMIWSRP0	00/00/0000	Prefix Type: RBOC Switch Name: PONTIAC Switch Type: N/A LATA: Detroit MI (340) Tandem: N/A 🔧 Explore Switch(CLLI: PNTCMIWSRP0))
248-689	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	TROY	TROYMIMNRPA	00/00/0000	Prefix Type: RBOC Switch Name: TROY Switch Type: N/A LATA: Detroit MI (340) Tandem: N/A 🔧 Explore Switch(CLLI: TROYMIMNRPA))
248-691	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	ROYAL OAK	RYLOMIMNDS0	00/00/0000	Prefix Type: RBOC Switch Name: ROYAL OAK DS0 Switch Type: 5ESS LATA: Detroit MI (340) Tandem: WBFDMIMN20T 🔧 Explore Switch(CLLI: RYLOMIMNDS0))
248-691 is split into 1,000-number blocks - detail below
248-691-0XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	ROYAL OAK	RYLOMIMNDS0	N/A	Prefix Type: RBOC Switch Name: ROYAL OAK DS0 Switch Type: 5ESS LATA: Detroit MI (340) Tandem: WBFDMIMN20T 🔧 Explore Switch(CLLI: RYLOMIMNDS0))
248-691-1XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	ROYAL OAK	RYLOMIMNDS0	N/A	Prefix Type: RBOC Switch Name: ROYAL OAK DS0 Switch Type: 5ESS LATA: Detroit MI (340) Tandem: WBFDMIMN20T 🔧 Explore Switch(CLLI: RYLOMIMNDS0))
248-691-2XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	ROYAL OAK	RYLOMIMNDS0	N/A	Prefix Type: RBOC Switch Name: ROYAL OAK DS0 Switch Type: 5ESS LATA: Detroit MI (340) Tandem: WBFDMIMN20T 🔧 Explore Switch(CLLI: RYLOMIMNDS0))
248-691-3XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	ROYAL OAK	RYLOMIMNDS0	N/A	Prefix Type: RBOC Switch Name: ROYAL OAK DS0 Switch Type: 5ESS LATA: Detroit MI (340) Tandem: WBFDMIMN20T 🔧 Explore Switch(CLLI: RYLOMIMNDS0))
248-691-4XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	ROYAL OAK	RYLOMIMNDS0	N/A	Prefix Type: RBOC Switch Name: ROYAL OAK DS0 Switch Type: 5ESS LATA: Detroit MI (340) Tandem: WBFDMIMN20T 🔧 Explore Switch(CLLI: RYLOMIMNDS0))
248-691-6XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	ROYAL OAK	RYLOMIMNDS0	N/A	Prefix Type: RBOC Switch Name: ROYAL OAK DS0 Switch Type: 5ESS LATA: Detroit MI (340) Tandem: WBFDMIMN20T 🔧 Explore Switch(CLLI: RYLOMIMNDS0))
248-691-7XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	ROYAL OAK	RYLOMIMNDS0	N/A	Prefix Type: RBOC Switch Name: ROYAL OAK DS0 Switch Type: 5ESS LATA: Detroit MI (340) Tandem: WBFDMIMN20T 🔧 Explore Switch(CLLI: RYLOMIMNDS0))
248-691-8XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	ROYAL OAK	RYLOMIMNDS0	N/A	Prefix Type: RBOC Switch Name: ROYAL OAK DS0 Switch Type: 5ESS LATA: Detroit MI (340) Tandem: WBFDMIMN20T 🔧 Explore Switch(CLLI: RYLOMIMNDS0))
248-691-9XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	ROYAL OAK	RYLOMIMNDS0	N/A	Prefix Type: RBOC Switch Name: ROYAL OAK DS0 Switch Type: 5ESS LATA: Detroit MI (340) Tandem: WBFDMIMN20T 🔧 Explore Switch(CLLI: RYLOMIMNDS0))
248-693	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	LAKE ORION	LKORMILORS1	00/00/0000	Prefix Type: RBOC Switch Name: LAKE ORION RS1 Switch Type: N/A LATA: Detroit MI (340) Tandem: TROYMIMN55T 🔧 Explore Switch(CLLI: LKORMILORS1))
248-696	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	BIRMINGHAM	ABHGMIMNDS0	00/00/0000	Prefix Type: RBOC Switch Name: AUBURN HEIGHTS Switch Type: EWSD LATA: Detroit MI (340) Tandem: WBFDMIMN20T 🔧 Explore Switch(CLLI: ABHGMIMNDS0))
248-698	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	COMMERCE	CMRCMINRRS2	00/00/0000	Prefix Type: RBOC Switch Name: COMMERCE NR RS2 Switch Type: N/A LATA: Detroit MI (340) Tandem: TROYMIMN55T 🔧 Explore Switch(CLLI: CMRCMINRRS2))
248-698 is split into 1,000-number blocks - detail below
248-698-0XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	COMMERCE	CMRCMINRRS2	N/A	Prefix Type: RBOC Switch Name: COMMERCE NR RS2 Switch Type: N/A LATA: Detroit MI (340) Tandem: TROYMIMN55T 🔧 Explore Switch(CLLI: CMRCMINRRS2))
248-698-1XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	COMMERCE	CMRCMINRRS2	N/A	Prefix Type: RBOC Switch Name: COMMERCE NR RS2 Switch Type: N/A LATA: Detroit MI (340) Tandem: TROYMIMN55T 🔧 Explore Switch(CLLI: CMRCMINRRS2))
248-698-2XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	COMMERCE	CMRCMINRRS2	N/A	Prefix Type: RBOC Switch Name: COMMERCE NR RS2 Switch Type: N/A LATA: Detroit MI (340) Tandem: TROYMIMN55T 🔧 Explore Switch(CLLI: CMRCMINRRS2))
248-698-3XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	COMMERCE	CMRCMINRRS2	N/A	Prefix Type: RBOC Switch Name: COMMERCE NR RS2 Switch Type: N/A LATA: Detroit MI (340) Tandem: TROYMIMN55T 🔧 Explore Switch(CLLI: CMRCMINRRS2))
248-698-4XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	COMMERCE	CMRCMINRRS2	N/A	Prefix Type: RBOC Switch Name: COMMERCE NR RS2 Switch Type: N/A LATA: Detroit MI (340) Tandem: TROYMIMN55T 🔧 Explore Switch(CLLI: CMRCMINRRS2))
248-698-6XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	COMMERCE	CMRCMINRRS2	N/A	Prefix Type: RBOC Switch Name: COMMERCE NR RS2 Switch Type: N/A LATA: Detroit MI (340) Tandem: TROYMIMN55T 🔧 Explore Switch(CLLI: CMRCMINRRS2))
248-698-7XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	COMMERCE	CMRCMINRRS2	N/A	Prefix Type: RBOC Switch Name: COMMERCE NR RS2 Switch Type: N/A LATA: Detroit MI (340) Tandem: TROYMIMN55T 🔧 Explore Switch(CLLI: CMRCMINRRS2))
248-698-8XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	COMMERCE	CMRCMINRRS2	N/A	Prefix Type: RBOC Switch Name: COMMERCE NR RS2 Switch Type: N/A LATA: Detroit MI (340) Tandem: TROYMIMN55T 🔧 Explore Switch(CLLI: CMRCMINRRS2))
248-698-9XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	COMMERCE	CMRCMINRRS2	N/A	Prefix Type: RBOC Switch Name: COMMERCE NR RS2 Switch Type: N/A LATA: Detroit MI (340) Tandem: TROYMIMN55T 🔧 Explore Switch(CLLI: CMRCMINRRS2))
248-706	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	PONTIAC	PNTCMIWSRP0	00/00/0000	Prefix Type: RBOC Switch Name: PONTIAC Switch Type: N/A LATA: Detroit MI (340) Tandem: N/A 🔧 Explore Switch(CLLI: PNTCMIWSRP0))
248-706 is split into 1,000-number blocks - detail below
248-706-0XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	PONTIAC	PNTCMIWSRP0	N/A	Prefix Type: RBOC Switch Name: PONTIAC Switch Type: N/A LATA: Detroit MI (340) Tandem: N/A 🔧 Explore Switch(CLLI: PNTCMIWSRP0))
248-706-1XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	PONTIAC	PNTCMIWSRP0	N/A	Prefix Type: RBOC Switch Name: PONTIAC Switch Type: N/A LATA: Detroit MI (340) Tandem: N/A 🔧 Explore Switch(CLLI: PNTCMIWSRP0))
248-706-2XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	PONTIAC	PNTCMIWSRP0	N/A	Prefix Type: RBOC Switch Name: PONTIAC Switch Type: N/A LATA: Detroit MI (340) Tandem: N/A 🔧 Explore Switch(CLLI: PNTCMIWSRP0))
248-706-3XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	PONTIAC	PNTCMIWSRP0	N/A	Prefix Type: RBOC Switch Name: PONTIAC Switch Type: N/A LATA: Detroit MI (340) Tandem: N/A 🔧 Explore Switch(CLLI: PNTCMIWSRP0))
248-706-4XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	PONTIAC	PNTCMIWSRP0	N/A	Prefix Type: RBOC Switch Name: PONTIAC Switch Type: N/A LATA: Detroit MI (340) Tandem: N/A 🔧 Explore Switch(CLLI: PNTCMIWSRP0))
248-706-5XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	PONTIAC	PNTCMIWSRP0	N/A	Prefix Type: RBOC Switch Name: PONTIAC Switch Type: N/A LATA: Detroit MI (340) Tandem: N/A 🔧 Explore Switch(CLLI: PNTCMIWSRP0))
248-706-7XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	PONTIAC	PNTCMIWSRP0	N/A	Prefix Type: RBOC Switch Name: PONTIAC Switch Type: N/A LATA: Detroit MI (340) Tandem: N/A 🔧 Explore Switch(CLLI: PNTCMIWSRP0))
248-706-9XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	PONTIAC	PNTCMIWSRP0	N/A	Prefix Type: RBOC Switch Name: PONTIAC Switch Type: N/A LATA: Detroit MI (340) Tandem: N/A 🔧 Explore Switch(CLLI: PNTCMIWSRP0))
248-723	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	BIRMINGHAM	BRHMMIMNDS0	00/00/0000	Prefix Type: RBOC Switch Name: BIRMINGHAM DS0 Switch Type: EWSD LATA: Detroit MI (340) Tandem: TROYMIMN55T 🔧 Explore Switch(CLLI: BRHMMIMNDS0))
248-732 is split into 1,000-number blocks - detail below
248-732-4XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	PONTIAC	PNTCMINERPA	03/10/2006	Prefix Type: RBOC Switch Name: PONTIAC Switch Type: N/A LATA: Detroit MI (340) Tandem: N/A 🔧 Explore Switch(CLLI: PNTCMINERPA))
248-732-5XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	PONTIAC	PNTCMINERPA	03/10/2006	Prefix Type: RBOC Switch Name: PONTIAC Switch Type: N/A LATA: Detroit MI (340) Tandem: N/A 🔧 Explore Switch(CLLI: PNTCMINERPA))
248-732-6XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	PONTIAC	PNTCMINERPA	03/10/2006	Prefix Type: RBOC Switch Name: PONTIAC Switch Type: N/A LATA: Detroit MI (340) Tandem: N/A 🔧 Explore Switch(CLLI: PNTCMINERPA))
248-733	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	ROYAL OAK	TROYMIMNDS0	00/00/0000	Prefix Type: RBOC Switch Name: TROY MAIN DS0 Switch Type: DMS100 LATA: Detroit MI (340) Tandem: WBFDMIMN20T 🔧 Explore Switch(CLLI: TROYMIMNDS0))
248-733 is split into 1,000-number blocks - detail below
248-733-0XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	ROYAL OAK	TROYMIMNDS0	N/A	Prefix Type: RBOC Switch Name: TROY MAIN DS0 Switch Type: DMS100 LATA: Detroit MI (340) Tandem: WBFDMIMN20T 🔧 Explore Switch(CLLI: TROYMIMNDS0))
248-733-1XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	ROYAL OAK	TROYMIMNDS0	N/A	Prefix Type: RBOC Switch Name: TROY MAIN DS0 Switch Type: DMS100 LATA: Detroit MI (340) Tandem: WBFDMIMN20T 🔧 Explore Switch(CLLI: TROYMIMNDS0))
248-733-2XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	ROYAL OAK	TROYMIMNDS0	N/A	Prefix Type: RBOC Switch Name: TROY MAIN DS0 Switch Type: DMS100 LATA: Detroit MI (340) Tandem: WBFDMIMN20T 🔧 Explore Switch(CLLI: TROYMIMNDS0))
248-733-6XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	ROYAL OAK	TROYMIMNDS0	N/A	Prefix Type: RBOC Switch Name: TROY MAIN DS0 Switch Type: DMS100 LATA: Detroit MI (340) Tandem: WBFDMIMN20T 🔧 Explore Switch(CLLI: TROYMIMNDS0))
248-733-7XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	ROYAL OAK	TROYMIMNDS0	N/A	Prefix Type: RBOC Switch Name: TROY MAIN DS0 Switch Type: DMS100 LATA: Detroit MI (340) Tandem: WBFDMIMN20T 🔧 Explore Switch(CLLI: TROYMIMNDS0))
248-733-8XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	ROYAL OAK	TROYMIMNDS0	N/A	Prefix Type: RBOC Switch Name: TROY MAIN DS0 Switch Type: DMS100 LATA: Detroit MI (340) Tandem: WBFDMIMN20T 🔧 Explore Switch(CLLI: TROYMIMNDS0))
248-733-9XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	ROYAL OAK	TROYMIMNDS0	N/A	Prefix Type: RBOC Switch Name: TROY MAIN DS0 Switch Type: DMS100 LATA: Detroit MI (340) Tandem: WBFDMIMN20T 🔧 Explore Switch(CLLI: TROYMIMNDS0))
248-735	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	NORTHVILLE	NRVLMIMNDS0	00/00/0000	Prefix Type: RBOC Switch Name: NORTHVILLE Switch Type: DMS100 LATA: Detroit MI (340) Tandem: ANARMIMN20T 🔧 Explore Switch(CLLI: NRVLMIMNDS0))
248-737	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	W BLOOMFLD	WBFDMIMNDS0	00/00/0000	Prefix Type: RBOC Switch Name: WEST BLOOMFIELD DS0 Switch Type: EWSD LATA: Detroit MI (340) Tandem: WBFDMIMN20T 🔧 Explore Switch(CLLI: WBFDMIMNDS0))
248-738	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	PONTIAC	PNTCMIWSRP0	00/00/0000	Prefix Type: RBOC Switch Name: PONTIAC Switch Type: N/A LATA: Detroit MI (340) Tandem: N/A 🔧 Explore Switch(CLLI: PNTCMIWSRP0))
248-740	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	TROY	TROYMIMNRPA	00/00/0000	Prefix Type: RBOC Switch Name: TROY Switch Type: N/A LATA: Detroit MI (340) Tandem: N/A 🔧 Explore Switch(CLLI: TROYMIMNRPA))
248-743	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	TROY	TROYMIMNDS0	00/00/0000	Prefix Type: RBOC Switch Name: TROY MAIN DS0 Switch Type: DMS100 LATA: Detroit MI (340) Tandem: WBFDMIMN20T 🔧 Explore Switch(CLLI: TROYMIMNDS0))
248-743 is split into 1,000-number blocks - detail below
248-743-0XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	TROY	TROYMIMNDS0	N/A	Prefix Type: RBOC Switch Name: TROY MAIN DS0 Switch Type: DMS100 LATA: Detroit MI (340) Tandem: WBFDMIMN20T 🔧 Explore Switch(CLLI: TROYMIMNDS0))
248-743-1XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	TROY	TROYMIMNDS0	N/A	Prefix Type: RBOC Switch Name: TROY MAIN DS0 Switch Type: DMS100 LATA: Detroit MI (340) Tandem: WBFDMIMN20T 🔧 Explore Switch(CLLI: TROYMIMNDS0))
248-743-2XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	TROY	TROYMIMNDS0	N/A	Prefix Type: RBOC Switch Name: TROY MAIN DS0 Switch Type: DMS100 LATA: Detroit MI (340) Tandem: WBFDMIMN20T 🔧 Explore Switch(CLLI: TROYMIMNDS0))
248-743-3XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	TROY	TROYMIMNDS0	N/A	Prefix Type: RBOC Switch Name: TROY MAIN DS0 Switch Type: DMS100 LATA: Detroit MI (340) Tandem: WBFDMIMN20T 🔧 Explore Switch(CLLI: TROYMIMNDS0))
248-743-4XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	TROY	TROYMIMNDS0	N/A	Prefix Type: RBOC Switch Name: TROY MAIN DS0 Switch Type: DMS100 LATA: Detroit MI (340) Tandem: WBFDMIMN20T 🔧 Explore Switch(CLLI: TROYMIMNDS0))
248-743-5XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	TROY	TROYMIMNDS0	N/A	Prefix Type: RBOC Switch Name: TROY MAIN DS0 Switch Type: DMS100 LATA: Detroit MI (340) Tandem: WBFDMIMN20T 🔧 Explore Switch(CLLI: TROYMIMNDS0))
248-743-6XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	TROY	TROYMIMNDS0	N/A	Prefix Type: RBOC Switch Name: TROY MAIN DS0 Switch Type: DMS100 LATA: Detroit MI (340) Tandem: WBFDMIMN20T 🔧 Explore Switch(CLLI: TROYMIMNDS0))
248-743-8XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	TROY	TROYMIMNDS0	N/A	Prefix Type: RBOC Switch Name: TROY MAIN DS0 Switch Type: DMS100 LATA: Detroit MI (340) Tandem: WBFDMIMN20T 🔧 Explore Switch(CLLI: TROYMIMNDS0))
248-743-9XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	TROY	TROYMIMNDS0	N/A	Prefix Type: RBOC Switch Name: TROY MAIN DS0 Switch Type: DMS100 LATA: Detroit MI (340) Tandem: WBFDMIMN20T 🔧 Explore Switch(CLLI: TROYMIMNDS0))
248-745	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	PONTIAC	PNTCMIMNDS2	00/00/0000	Prefix Type: RBOC Switch Name: PONTIAC DS2 Switch Type: DMS100 LATA: Detroit MI (340) Tandem: TROYMIMN55T 🔧 Explore Switch(CLLI: PNTCMIMNDS2))
248-746	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	SOUTHFIELD	SFLDMIMNDS1	00/00/0000	Prefix Type: RBOC Switch Name: SOUTHFIELD DS1 Switch Type: DMS100 LATA: Detroit MI (340) Tandem: WBFDMIMN20T 🔧 Explore Switch(CLLI: SFLDMIMNDS1))
248-753	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	PONTIAC	PNTCMIMNDS0	00/00/0000	Prefix Type: RBOC Switch Name: PONTIAC DS0 Switch Type: DMS100 LATA: Detroit MI (340) Tandem: TROYMIMN55T 🔧 Explore Switch(CLLI: PNTCMIMNDS0))
248-754	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	PONTIAC	PNTCMINERPA	00/00/0000	Prefix Type: RBOC Switch Name: PONTIAC Switch Type: N/A LATA: Detroit MI (340) Tandem: N/A 🔧 Explore Switch(CLLI: PNTCMINERPA))
248-758	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	PONTIAC	PNTCMIMNDS0	05/24/2001	Prefix Type: RBOC Switch Name: PONTIAC DS0 Switch Type: DMS100 LATA: Detroit MI (340) Tandem: TROYMIMN55T 🔧 Explore Switch(CLLI: PNTCMIMNDS0))
248-758 is split into 1,000-number blocks - detail below
248-758-0XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	PONTIAC	PNTCMIMNDS0	N/A	Prefix Type: RBOC Switch Name: PONTIAC DS0 Switch Type: DMS100 LATA: Detroit MI (340) Tandem: TROYMIMN55T 🔧 Explore Switch(CLLI: PNTCMIMNDS0))
248-758-1XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	PONTIAC	PNTCMIMNDS0	N/A	Prefix Type: RBOC Switch Name: PONTIAC DS0 Switch Type: DMS100 LATA: Detroit MI (340) Tandem: TROYMIMN55T 🔧 Explore Switch(CLLI: PNTCMIMNDS0))
248-758-2XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	PONTIAC	PNTCMIMNDS0	N/A	Prefix Type: RBOC Switch Name: PONTIAC DS0 Switch Type: DMS100 LATA: Detroit MI (340) Tandem: TROYMIMN55T 🔧 Explore Switch(CLLI: PNTCMIMNDS0))
248-758-3XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	PONTIAC	PNTCMIMNDS0	N/A	Prefix Type: RBOC Switch Name: PONTIAC DS0 Switch Type: DMS100 LATA: Detroit MI (340) Tandem: TROYMIMN55T 🔧 Explore Switch(CLLI: PNTCMIMNDS0))
248-758-5XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	PONTIAC	PNTCMIMNDS0	N/A	Prefix Type: RBOC Switch Name: PONTIAC DS0 Switch Type: DMS100 LATA: Detroit MI (340) Tandem: TROYMIMN55T 🔧 Explore Switch(CLLI: PNTCMIMNDS0))
248-758-7XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	PONTIAC	PNTCMIMNDS0	N/A	Prefix Type: RBOC Switch Name: PONTIAC DS0 Switch Type: DMS100 LATA: Detroit MI (340) Tandem: TROYMIMN55T 🔧 Explore Switch(CLLI: PNTCMIMNDS0))
248-758-9XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	PONTIAC	PNTCMIMNDS0	N/A	Prefix Type: RBOC Switch Name: PONTIAC DS0 Switch Type: DMS100 LATA: Detroit MI (340) Tandem: TROYMIMN55T 🔧 Explore Switch(CLLI: PNTCMIMNDS0))
248-777	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	DETROITZN5	DTRTMIRFDS0	00/00/0000	Prefix Type: RBOC Switch Name: DTRT REDFORD DS0 Switch Type: EWSD LATA: Detroit MI (340) Tandem: DTRTMIVW20T 🔧 Explore Switch(CLLI: DTRTMIRFDS0))
248-777 is split into 1,000-number blocks - detail below
248-777-0XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	DETROITZN5	DTRTMIRFDS0	N/A	Prefix Type: RBOC Switch Name: DTRT REDFORD DS0 Switch Type: EWSD LATA: Detroit MI (340) Tandem: DTRTMIVW20T 🔧 Explore Switch(CLLI: DTRTMIRFDS0))
248-788	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	W BLOOMFLD	FMHLMIFHDS0	00/00/0000	Prefix Type: RBOC Switch Name: FARMINGTON HILLS Switch Type: DMS100 LATA: Detroit MI (340) Tandem: WBFDMIMN20T 🔧 Explore Switch(CLLI: FMHLMIFHDS0))
248-788 is split into 1,000-number blocks - detail below
248-788-0XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	W BLOOMFLD	FMHLMIFHDS0	N/A	Prefix Type: RBOC Switch Name: FARMINGTON HILLS Switch Type: DMS100 LATA: Detroit MI (340) Tandem: WBFDMIMN20T 🔧 Explore Switch(CLLI: FMHLMIFHDS0))
248-788-1XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	W BLOOMFLD	FMHLMIFHDS0	N/A	Prefix Type: RBOC Switch Name: FARMINGTON HILLS Switch Type: DMS100 LATA: Detroit MI (340) Tandem: WBFDMIMN20T 🔧 Explore Switch(CLLI: FMHLMIFHDS0))
248-788-2XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	W BLOOMFLD	FMHLMIFHDS0	N/A	Prefix Type: RBOC Switch Name: FARMINGTON HILLS Switch Type: DMS100 LATA: Detroit MI (340) Tandem: WBFDMIMN20T 🔧 Explore Switch(CLLI: FMHLMIFHDS0))
248-788-3XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	W BLOOMFLD	FMHLMIFHDS0	N/A	Prefix Type: RBOC Switch Name: FARMINGTON HILLS Switch Type: DMS100 LATA: Detroit MI (340) Tandem: WBFDMIMN20T 🔧 Explore Switch(CLLI: FMHLMIFHDS0))
248-788-4XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	W BLOOMFLD	FMHLMIFHDS0	N/A	Prefix Type: RBOC Switch Name: FARMINGTON HILLS Switch Type: DMS100 LATA: Detroit MI (340) Tandem: WBFDMIMN20T 🔧 Explore Switch(CLLI: FMHLMIFHDS0))
248-788-5XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	W BLOOMFLD	FMHLMIFHDS0	N/A	Prefix Type: RBOC Switch Name: FARMINGTON HILLS Switch Type: DMS100 LATA: Detroit MI (340) Tandem: WBFDMIMN20T 🔧 Explore Switch(CLLI: FMHLMIFHDS0))
248-788-7XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	W BLOOMFLD	FMHLMIFHDS0	N/A	Prefix Type: RBOC Switch Name: FARMINGTON HILLS Switch Type: DMS100 LATA: Detroit MI (340) Tandem: WBFDMIMN20T 🔧 Explore Switch(CLLI: FMHLMIFHDS0))
248-788-8XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	W BLOOMFLD	FMHLMIFHDS0	N/A	Prefix Type: RBOC Switch Name: FARMINGTON HILLS Switch Type: DMS100 LATA: Detroit MI (340) Tandem: WBFDMIMN20T 🔧 Explore Switch(CLLI: FMHLMIFHDS0))
248-788-9XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	W BLOOMFLD	FMHLMIFHDS0	N/A	Prefix Type: RBOC Switch Name: FARMINGTON HILLS Switch Type: DMS100 LATA: Detroit MI (340) Tandem: WBFDMIMN20T 🔧 Explore Switch(CLLI: FMHLMIFHDS0))
248-796 is split into 1,000-number blocks - detail below
248-796-6XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	SOUTHFIELD	SFLDMIMNDS1	06/20/2007	Prefix Type: RBOC Switch Name: SOUTHFIELD DS1 Switch Type: DMS100 LATA: Detroit MI (340) Tandem: WBFDMIMN20T 🔧 Explore Switch(CLLI: SFLDMIMNDS1))
248-799	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	SOUTHFIELD	SFLDMIMNDS0	00/00/0000	Prefix Type: RBOC Switch Name: SOUTHFIELD DS0 Switch Type: DMS100 LATA: Detroit MI (340) Tandem: WBFDMIMN20T 🔧 Explore Switch(CLLI: SFLDMIMNDS0))
248-799 is split into 1,000-number blocks - detail below
248-799-0XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	SOUTHFIELD	SFLDMIMNDS0	N/A	Prefix Type: RBOC Switch Name: SOUTHFIELD DS0 Switch Type: DMS100 LATA: Detroit MI (340) Tandem: WBFDMIMN20T 🔧 Explore Switch(CLLI: SFLDMIMNDS0))
248-799-2XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	SOUTHFIELD	SFLDMIMNDS0	N/A	Prefix Type: RBOC Switch Name: SOUTHFIELD DS0 Switch Type: DMS100 LATA: Detroit MI (340) Tandem: WBFDMIMN20T 🔧 Explore Switch(CLLI: SFLDMIMNDS0))
248-799-3XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	SOUTHFIELD	SFLDMIMNDS0	N/A	Prefix Type: RBOC Switch Name: SOUTHFIELD DS0 Switch Type: DMS100 LATA: Detroit MI (340) Tandem: WBFDMIMN20T 🔧 Explore Switch(CLLI: SFLDMIMNDS0))
248-799-4XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	SOUTHFIELD	SFLDMIMNDS0	N/A	Prefix Type: RBOC Switch Name: SOUTHFIELD DS0 Switch Type: DMS100 LATA: Detroit MI (340) Tandem: WBFDMIMN20T 🔧 Explore Switch(CLLI: SFLDMIMNDS0))
248-799-5XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	SOUTHFIELD	SFLDMIMNDS0	N/A	Prefix Type: RBOC Switch Name: SOUTHFIELD DS0 Switch Type: DMS100 LATA: Detroit MI (340) Tandem: WBFDMIMN20T 🔧 Explore Switch(CLLI: SFLDMIMNDS0))
248-799-6XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	SOUTHFIELD	SFLDMIMNDS0	N/A	Prefix Type: RBOC Switch Name: SOUTHFIELD DS0 Switch Type: DMS100 LATA: Detroit MI (340) Tandem: WBFDMIMN20T 🔧 Explore Switch(CLLI: SFLDMIMNDS0))
248-799-7XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	SOUTHFIELD	SFLDMIMNDS0	N/A	Prefix Type: RBOC Switch Name: SOUTHFIELD DS0 Switch Type: DMS100 LATA: Detroit MI (340) Tandem: WBFDMIMN20T 🔧 Explore Switch(CLLI: SFLDMIMNDS0))
248-799-8XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	SOUTHFIELD	SFLDMIMNDS0	N/A	Prefix Type: RBOC Switch Name: SOUTHFIELD DS0 Switch Type: DMS100 LATA: Detroit MI (340) Tandem: WBFDMIMN20T 🔧 Explore Switch(CLLI: SFLDMIMNDS0))
248-799-9XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	SOUTHFIELD	SFLDMIMNDS0	N/A	Prefix Type: RBOC Switch Name: SOUTHFIELD DS0 Switch Type: DMS100 LATA: Detroit MI (340) Tandem: WBFDMIMN20T 🔧 Explore Switch(CLLI: SFLDMIMNDS0))
248-812 is split into 1,000-number blocks - detail below
248-812-5XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	PONTIAC	PNTCMINERPA	12/03/2008	Prefix Type: RBOC Switch Name: PONTIAC Switch Type: N/A LATA: Detroit MI (340) Tandem: N/A 🔧 Explore Switch(CLLI: PNTCMINERPA))
248-813	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	TROY	ABHGMIMNDS0	00/00/0000	Prefix Type: RBOC Switch Name: AUBURN HEIGHTS Switch Type: EWSD LATA: Detroit MI (340) Tandem: WBFDMIMN20T 🔧 Explore Switch(CLLI: ABHGMIMNDS0))
248-813 is split into 1,000-number blocks - detail below
248-813-0XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	TROY	ABHGMIMNDS0	N/A	Prefix Type: RBOC Switch Name: AUBURN HEIGHTS Switch Type: EWSD LATA: Detroit MI (340) Tandem: WBFDMIMN20T 🔧 Explore Switch(CLLI: ABHGMIMNDS0))
248-813-1XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	TROY	ABHGMIMNDS0	N/A	Prefix Type: RBOC Switch Name: AUBURN HEIGHTS Switch Type: EWSD LATA: Detroit MI (340) Tandem: WBFDMIMN20T 🔧 Explore Switch(CLLI: ABHGMIMNDS0))
248-813-2XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	TROY	ABHGMIMNDS0	N/A	Prefix Type: RBOC Switch Name: AUBURN HEIGHTS Switch Type: EWSD LATA: Detroit MI (340) Tandem: WBFDMIMN20T 🔧 Explore Switch(CLLI: ABHGMIMNDS0))
248-813-3XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	TROY	ABHGMIMNDS0	N/A	Prefix Type: RBOC Switch Name: AUBURN HEIGHTS Switch Type: EWSD LATA: Detroit MI (340) Tandem: WBFDMIMN20T 🔧 Explore Switch(CLLI: ABHGMIMNDS0))
248-813-4XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	TROY	ABHGMIMNDS0	N/A	Prefix Type: RBOC Switch Name: AUBURN HEIGHTS Switch Type: EWSD LATA: Detroit MI (340) Tandem: WBFDMIMN20T 🔧 Explore Switch(CLLI: ABHGMIMNDS0))
248-813-5XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	TROY	ABHGMIMNDS0	N/A	Prefix Type: RBOC Switch Name: AUBURN HEIGHTS Switch Type: EWSD LATA: Detroit MI (340) Tandem: WBFDMIMN20T 🔧 Explore Switch(CLLI: ABHGMIMNDS0))
248-813-6XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	TROY	ABHGMIMNDS0	N/A	Prefix Type: RBOC Switch Name: AUBURN HEIGHTS Switch Type: EWSD LATA: Detroit MI (340) Tandem: WBFDMIMN20T 🔧 Explore Switch(CLLI: ABHGMIMNDS0))
248-813-8XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	TROY	ABHGMIMNDS0	N/A	Prefix Type: RBOC Switch Name: AUBURN HEIGHTS Switch Type: EWSD LATA: Detroit MI (340) Tandem: WBFDMIMN20T 🔧 Explore Switch(CLLI: ABHGMIMNDS0))
248-813-9XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	TROY	ABHGMIMNDS0	N/A	Prefix Type: RBOC Switch Name: AUBURN HEIGHTS Switch Type: EWSD LATA: Detroit MI (340) Tandem: WBFDMIMN20T 🔧 Explore Switch(CLLI: ABHGMIMNDS0))
248-814	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	LAKE ORION	LKORMILORS1	00/00/0000	Prefix Type: RBOC Switch Name: LAKE ORION RS1 Switch Type: N/A LATA: Detroit MI (340) Tandem: TROYMIMN55T 🔧 Explore Switch(CLLI: LKORMILORS1))
248-814 is split into 1,000-number blocks - detail below
248-814-0XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	LAKE ORION	LKORMILORS1	N/A	Prefix Type: RBOC Switch Name: LAKE ORION RS1 Switch Type: N/A LATA: Detroit MI (340) Tandem: TROYMIMN55T 🔧 Explore Switch(CLLI: LKORMILORS1))
248-814-1XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	LAKE ORION	LKORMILORS1	N/A	Prefix Type: RBOC Switch Name: LAKE ORION RS1 Switch Type: N/A LATA: Detroit MI (340) Tandem: TROYMIMN55T 🔧 Explore Switch(CLLI: LKORMILORS1))
248-814-6XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	LAKE ORION	LKORMILORS1	N/A	Prefix Type: RBOC Switch Name: LAKE ORION RS1 Switch Type: N/A LATA: Detroit MI (340) Tandem: TROYMIMN55T 🔧 Explore Switch(CLLI: LKORMILORS1))
248-814-7XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	LAKE ORION	LKORMILORS1	N/A	Prefix Type: RBOC Switch Name: LAKE ORION RS1 Switch Type: N/A LATA: Detroit MI (340) Tandem: TROYMIMN55T 🔧 Explore Switch(CLLI: LKORMILORS1))
248-814-8XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	LAKE ORION	LKORMILORS1	N/A	Prefix Type: RBOC Switch Name: LAKE ORION RS1 Switch Type: N/A LATA: Detroit MI (340) Tandem: TROYMIMN55T 🔧 Explore Switch(CLLI: LKORMILORS1))
248-814-9XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	LAKE ORION	LKORMILORS1	N/A	Prefix Type: RBOC Switch Name: LAKE ORION RS1 Switch Type: N/A LATA: Detroit MI (340) Tandem: TROYMIMN55T 🔧 Explore Switch(CLLI: LKORMILORS1))
248-816	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	BIRMINGHAM	TROYMISMDS0	00/00/0000	Prefix Type: RBOC Switch Name: TROY SOMERSET DS0 Switch Type: DMS100 LATA: Detroit MI (340) Tandem: WBFDMIMN20T 🔧 Explore Switch(CLLI: TROYMISMDS0))
248-822	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	BIRMINGHAM	TROYMISMDS0	00/00/0000	Prefix Type: RBOC Switch Name: TROY SOMERSET DS0 Switch Type: DMS100 LATA: Detroit MI (340) Tandem: WBFDMIMN20T 🔧 Explore Switch(CLLI: TROYMISMDS0))
248-827	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	SOUTHFIELD	SFLDMIMNDS0	00/00/0000	Prefix Type: RBOC Switch Name: SOUTHFIELD DS0 Switch Type: DMS100 LATA: Detroit MI (340) Tandem: WBFDMIMN20T 🔧 Explore Switch(CLLI: SFLDMIMNDS0))
248-827 is split into 1,000-number blocks - detail below
248-827-0XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	SOUTHFIELD	SFLDMIMNDS0	N/A	Prefix Type: RBOC Switch Name: SOUTHFIELD DS0 Switch Type: DMS100 LATA: Detroit MI (340) Tandem: WBFDMIMN20T 🔧 Explore Switch(CLLI: SFLDMIMNDS0))
248-827-1XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	SOUTHFIELD	SFLDMIMNDS0	N/A	Prefix Type: RBOC Switch Name: SOUTHFIELD DS0 Switch Type: DMS100 LATA: Detroit MI (340) Tandem: WBFDMIMN20T 🔧 Explore Switch(CLLI: SFLDMIMNDS0))
248-827-2XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	SOUTHFIELD	SFLDMIMNDS0	N/A	Prefix Type: RBOC Switch Name: SOUTHFIELD DS0 Switch Type: DMS100 LATA: Detroit MI (340) Tandem: WBFDMIMN20T 🔧 Explore Switch(CLLI: SFLDMIMNDS0))
248-827-3XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	SOUTHFIELD	SFLDMIMNDS0	N/A	Prefix Type: RBOC Switch Name: SOUTHFIELD DS0 Switch Type: DMS100 LATA: Detroit MI (340) Tandem: WBFDMIMN20T 🔧 Explore Switch(CLLI: SFLDMIMNDS0))
248-827-4XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	SOUTHFIELD	SFLDMIMNDS0	N/A	Prefix Type: RBOC Switch Name: SOUTHFIELD DS0 Switch Type: DMS100 LATA: Detroit MI (340) Tandem: WBFDMIMN20T 🔧 Explore Switch(CLLI: SFLDMIMNDS0))
248-827-6XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	SOUTHFIELD	SFLDMIMNDS0	N/A	Prefix Type: RBOC Switch Name: SOUTHFIELD DS0 Switch Type: DMS100 LATA: Detroit MI (340) Tandem: WBFDMIMN20T 🔧 Explore Switch(CLLI: SFLDMIMNDS0))
248-827-7XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	SOUTHFIELD	SFLDMIMNDS0	N/A	Prefix Type: RBOC Switch Name: SOUTHFIELD DS0 Switch Type: DMS100 LATA: Detroit MI (340) Tandem: WBFDMIMN20T 🔧 Explore Switch(CLLI: SFLDMIMNDS0))
248-827-8XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	SOUTHFIELD	SFLDMIMNDS0	N/A	Prefix Type: RBOC Switch Name: SOUTHFIELD DS0 Switch Type: DMS100 LATA: Detroit MI (340) Tandem: WBFDMIMN20T 🔧 Explore Switch(CLLI: SFLDMIMNDS0))
248-827-9XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	SOUTHFIELD	SFLDMIMNDS0	N/A	Prefix Type: RBOC Switch Name: SOUTHFIELD DS0 Switch Type: DMS100 LATA: Detroit MI (340) Tandem: WBFDMIMN20T 🔧 Explore Switch(CLLI: SFLDMIMNDS0))
248-828	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	TROY	ABHGMIMNDS0	00/00/0000	Prefix Type: RBOC Switch Name: AUBURN HEIGHTS Switch Type: EWSD LATA: Detroit MI (340) Tandem: WBFDMIMN20T 🔧 Explore Switch(CLLI: ABHGMIMNDS0))
248-828 is split into 1,000-number blocks - detail below
248-828-0XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	TROY	ABHGMIMNDS0	N/A	Prefix Type: RBOC Switch Name: AUBURN HEIGHTS Switch Type: EWSD LATA: Detroit MI (340) Tandem: WBFDMIMN20T 🔧 Explore Switch(CLLI: ABHGMIMNDS0))
248-828-1XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	TROY	ABHGMIMNDS0	N/A	Prefix Type: RBOC Switch Name: AUBURN HEIGHTS Switch Type: EWSD LATA: Detroit MI (340) Tandem: WBFDMIMN20T 🔧 Explore Switch(CLLI: ABHGMIMNDS0))
248-828-2XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	TROY	ABHGMIMNDS0	N/A	Prefix Type: RBOC Switch Name: AUBURN HEIGHTS Switch Type: EWSD LATA: Detroit MI (340) Tandem: WBFDMIMN20T 🔧 Explore Switch(CLLI: ABHGMIMNDS0))
248-828-3XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	TROY	ABHGMIMNDS0	N/A	Prefix Type: RBOC Switch Name: AUBURN HEIGHTS Switch Type: EWSD LATA: Detroit MI (340) Tandem: WBFDMIMN20T 🔧 Explore Switch(CLLI: ABHGMIMNDS0))
248-828-4XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	TROY	ABHGMIMNDS0	N/A	Prefix Type: RBOC Switch Name: AUBURN HEIGHTS Switch Type: EWSD LATA: Detroit MI (340) Tandem: WBFDMIMN20T 🔧 Explore Switch(CLLI: ABHGMIMNDS0))
248-828-7XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	TROY	ABHGMIMNDS0	N/A	Prefix Type: RBOC Switch Name: AUBURN HEIGHTS Switch Type: EWSD LATA: Detroit MI (340) Tandem: WBFDMIMN20T 🔧 Explore Switch(CLLI: ABHGMIMNDS0))
248-828-8XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	TROY	ABHGMIMNDS0	N/A	Prefix Type: RBOC Switch Name: AUBURN HEIGHTS Switch Type: EWSD LATA: Detroit MI (340) Tandem: WBFDMIMN20T 🔧 Explore Switch(CLLI: ABHGMIMNDS0))
248-828-9XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	TROY	ABHGMIMNDS0	N/A	Prefix Type: RBOC Switch Name: AUBURN HEIGHTS Switch Type: EWSD LATA: Detroit MI (340) Tandem: WBFDMIMN20T 🔧 Explore Switch(CLLI: ABHGMIMNDS0))
248-838	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	PONTIAC	ABHLMIBHDS0	00/00/0000	Prefix Type: RBOC Switch Name: AUBURN HILLS Switch Type: DMS100 LATA: Detroit MI (340) Tandem: TROYMIMN55T 🔧 Explore Switch(CLLI: ABHLMIBHDS0))
248-838 is split into 1,000-number blocks - detail below
248-838-2XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	PONTIAC	ABHLMIBHDS0	N/A	Prefix Type: RBOC Switch Name: AUBURN HILLS Switch Type: DMS100 LATA: Detroit MI (340) Tandem: TROYMIMN55T 🔧 Explore Switch(CLLI: ABHLMIBHDS0))
248-838-4XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	PONTIAC	ABHLMIBHDS0	N/A	Prefix Type: RBOC Switch Name: AUBURN HILLS Switch Type: DMS100 LATA: Detroit MI (340) Tandem: TROYMIMN55T 🔧 Explore Switch(CLLI: ABHLMIBHDS0))
248-838-5XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	PONTIAC	ABHLMIBHDS0	N/A	Prefix Type: RBOC Switch Name: AUBURN HILLS Switch Type: DMS100 LATA: Detroit MI (340) Tandem: TROYMIMN55T 🔧 Explore Switch(CLLI: ABHLMIBHDS0))
248-838-6XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	PONTIAC	ABHLMIBHDS0	N/A	Prefix Type: RBOC Switch Name: AUBURN HILLS Switch Type: DMS100 LATA: Detroit MI (340) Tandem: TROYMIMN55T 🔧 Explore Switch(CLLI: ABHLMIBHDS0))
248-838-7XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	PONTIAC	ABHLMIBHDS0	N/A	Prefix Type: RBOC Switch Name: AUBURN HILLS Switch Type: DMS100 LATA: Detroit MI (340) Tandem: TROYMIMN55T 🔧 Explore Switch(CLLI: ABHLMIBHDS0))
248-844	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	AUBURN HTS	ABHGMIMNDS0	00/00/0000	Prefix Type: RBOC Switch Name: AUBURN HEIGHTS Switch Type: EWSD LATA: Detroit MI (340) Tandem: WBFDMIMN20T 🔧 Explore Switch(CLLI: ABHGMIMNDS0))
248-848	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	FARMINGTON	FMHLMIFHDS0	00/00/0000	Prefix Type: RBOC Switch Name: FARMINGTON HILLS Switch Type: DMS100 LATA: Detroit MI (340) Tandem: WBFDMIMN20T 🔧 Explore Switch(CLLI: FMHLMIFHDS0))
248-849	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	SOUTHFIELD	SFLDMIOKDS0	05/02/2001	Prefix Type: RBOC Switch Name: SFLD OAKFIELD DS0 Switch Type: 5ESS LATA: Detroit MI (340) Tandem: WBFDMIMN20T 🔧 Explore Switch(CLLI: SFLDMIOKDS0))
248-849 is split into 1,000-number blocks - detail below
248-849-2XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	SOUTHFIELD	SFLDMIOKDS0	N/A	Prefix Type: RBOC Switch Name: SFLD OAKFIELD DS0 Switch Type: 5ESS LATA: Detroit MI (340) Tandem: WBFDMIMN20T 🔧 Explore Switch(CLLI: SFLDMIOKDS0))
248-849-3XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	SOUTHFIELD	SFLDMIOKDS0	N/A	Prefix Type: RBOC Switch Name: SFLD OAKFIELD DS0 Switch Type: 5ESS LATA: Detroit MI (340) Tandem: WBFDMIMN20T 🔧 Explore Switch(CLLI: SFLDMIOKDS0))
248-849-4XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	SOUTHFIELD	SFLDMIOKDS0	N/A	Prefix Type: RBOC Switch Name: SFLD OAKFIELD DS0 Switch Type: 5ESS LATA: Detroit MI (340) Tandem: WBFDMIMN20T 🔧 Explore Switch(CLLI: SFLDMIOKDS0))
248-849-5XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	SOUTHFIELD	SFLDMIOKDS0	N/A	Prefix Type: RBOC Switch Name: SFLD OAKFIELD DS0 Switch Type: 5ESS LATA: Detroit MI (340) Tandem: WBFDMIMN20T 🔧 Explore Switch(CLLI: SFLDMIOKDS0))
248-849-6XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	SOUTHFIELD	SFLDMIOKDS0	N/A	Prefix Type: RBOC Switch Name: SFLD OAKFIELD DS0 Switch Type: 5ESS LATA: Detroit MI (340) Tandem: WBFDMIMN20T 🔧 Explore Switch(CLLI: SFLDMIOKDS0))
248-849-7XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	SOUTHFIELD	SFLDMIOKDS0	N/A	Prefix Type: RBOC Switch Name: SFLD OAKFIELD DS0 Switch Type: 5ESS LATA: Detroit MI (340) Tandem: WBFDMIMN20T 🔧 Explore Switch(CLLI: SFLDMIOKDS0))
248-849-8XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	SOUTHFIELD	SFLDMIOKDS0	N/A	Prefix Type: RBOC Switch Name: SFLD OAKFIELD DS0 Switch Type: 5ESS LATA: Detroit MI (340) Tandem: WBFDMIMN20T 🔧 Explore Switch(CLLI: SFLDMIOKDS0))
248-851	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	W BLOOMFLD	WBFDMIMNDS0	00/00/0000	Prefix Type: RBOC Switch Name: WEST BLOOMFIELD DS0 Switch Type: EWSD LATA: Detroit MI (340) Tandem: WBFDMIMN20T 🔧 Explore Switch(CLLI: WBFDMIMNDS0))
248-852	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	AUBURN HTS	ABHGMIMNDS0	00/00/0000	Prefix Type: RBOC Switch Name: AUBURN HEIGHTS Switch Type: EWSD LATA: Detroit MI (340) Tandem: WBFDMIMN20T 🔧 Explore Switch(CLLI: ABHGMIMNDS0))
248-853	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	AUBURN HTS	ABHGMIMNDS0	00/00/0000	Prefix Type: RBOC Switch Name: AUBURN HEIGHTS Switch Type: EWSD LATA: Detroit MI (340) Tandem: WBFDMIMN20T 🔧 Explore Switch(CLLI: ABHGMIMNDS0))
248-855	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	W BLOOMFLD	WBFDMIMNDS0	00/00/0000	Prefix Type: RBOC Switch Name: WEST BLOOMFIELD DS0 Switch Type: EWSD LATA: Detroit MI (340) Tandem: WBFDMIMN20T 🔧 Explore Switch(CLLI: WBFDMIMNDS0))
248-857	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	PONTIAC	PNTCMIMNDS0	00/00/0000	Prefix Type: RBOC Switch Name: PONTIAC DS0 Switch Type: DMS100 LATA: Detroit MI (340) Tandem: TROYMIMN55T 🔧 Explore Switch(CLLI: PNTCMIMNDS0))
248-858	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	PONTIAC	PNTCMIMNDS0	00/00/0000	Prefix Type: RBOC Switch Name: PONTIAC DS0 Switch Type: DMS100 LATA: Detroit MI (340) Tandem: TROYMIMN55T 🔧 Explore Switch(CLLI: PNTCMIMNDS0))
248-859 is split into 1,000-number blocks - detail below
248-859-9XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	WALLEDLAKE	WDLKMIMNDS0	07/23/2010	Prefix Type: RBOC Switch Name: WALLED LAKE Switch Type: DMS100 LATA: Detroit MI (340) Tandem: WBFDMIMN20T 🔧 Explore Switch(CLLI: WDLKMIMNDS0))
248-865	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	W BLOOMFLD	WBFDMIMNDS0	00/00/0000	Prefix Type: RBOC Switch Name: WEST BLOOMFIELD DS0 Switch Type: EWSD LATA: Detroit MI (340) Tandem: WBFDMIMN20T 🔧 Explore Switch(CLLI: WBFDMIMNDS0))
248-874	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	PONTIAC	PNTCMIMNDS0	00/00/0000	Prefix Type: RBOC Switch Name: PONTIAC DS0 Switch Type: DMS100 LATA: Detroit MI (340) Tandem: TROYMIMN55T 🔧 Explore Switch(CLLI: PNTCMIMNDS0))
248-874 is split into 1,000-number blocks - detail below
248-874-0XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	PONTIAC	PNTCMIMNDS0	N/A	Prefix Type: RBOC Switch Name: PONTIAC DS0 Switch Type: DMS100 LATA: Detroit MI (340) Tandem: TROYMIMN55T 🔧 Explore Switch(CLLI: PNTCMIMNDS0))
248-874-1XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	PONTIAC	PNTCMIMNDS0	N/A	Prefix Type: RBOC Switch Name: PONTIAC DS0 Switch Type: DMS100 LATA: Detroit MI (340) Tandem: TROYMIMN55T 🔧 Explore Switch(CLLI: PNTCMIMNDS0))
248-874-2XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	PONTIAC	PNTCMIMNDS0	N/A	Prefix Type: RBOC Switch Name: PONTIAC DS0 Switch Type: DMS100 LATA: Detroit MI (340) Tandem: TROYMIMN55T 🔧 Explore Switch(CLLI: PNTCMIMNDS0))
248-874-3XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	PONTIAC	PNTCMIMNDS0	N/A	Prefix Type: RBOC Switch Name: PONTIAC DS0 Switch Type: DMS100 LATA: Detroit MI (340) Tandem: TROYMIMN55T 🔧 Explore Switch(CLLI: PNTCMIMNDS0))
248-874-4XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	PONTIAC	PNTCMIMNDS0	N/A	Prefix Type: RBOC Switch Name: PONTIAC DS0 Switch Type: DMS100 LATA: Detroit MI (340) Tandem: TROYMIMN55T 🔧 Explore Switch(CLLI: PNTCMIMNDS0))
248-874-6XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	PONTIAC	PNTCMIMNDS0	N/A	Prefix Type: RBOC Switch Name: PONTIAC DS0 Switch Type: DMS100 LATA: Detroit MI (340) Tandem: TROYMIMN55T 🔧 Explore Switch(CLLI: PNTCMIMNDS0))
248-874-7XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	PONTIAC	PNTCMIMNDS0	N/A	Prefix Type: RBOC Switch Name: PONTIAC DS0 Switch Type: DMS100 LATA: Detroit MI (340) Tandem: TROYMIMN55T 🔧 Explore Switch(CLLI: PNTCMIMNDS0))
248-874-8XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	PONTIAC	PNTCMIMNDS0	N/A	Prefix Type: RBOC Switch Name: PONTIAC DS0 Switch Type: DMS100 LATA: Detroit MI (340) Tandem: TROYMIMN55T 🔧 Explore Switch(CLLI: PNTCMIMNDS0))
248-874-9XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	PONTIAC	PNTCMIMNDS0	N/A	Prefix Type: RBOC Switch Name: PONTIAC DS0 Switch Type: DMS100 LATA: Detroit MI (340) Tandem: TROYMIMN55T 🔧 Explore Switch(CLLI: PNTCMIMNDS0))
248-876 is split into 1,000-number blocks - detail below
248-876-1XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	FARMINGTON	FMHLMIFHDS0	06/10/2005	Prefix Type: RBOC Switch Name: FARMINGTON HILLS Switch Type: DMS100 LATA: Detroit MI (340) Tandem: WBFDMIMN20T 🔧 Explore Switch(CLLI: FMHLMIFHDS0))
248-876-2XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	FARMINGTON	FMHLMIFHDS0	06/10/2005	Prefix Type: RBOC Switch Name: FARMINGTON HILLS Switch Type: DMS100 LATA: Detroit MI (340) Tandem: WBFDMIMN20T 🔧 Explore Switch(CLLI: FMHLMIFHDS0))
248-876-5XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	FARMINGTON	FMHLMIFHDS0	05/12/2005	Prefix Type: RBOC Switch Name: FARMINGTON HILLS Switch Type: DMS100 LATA: Detroit MI (340) Tandem: WBFDMIMN20T 🔧 Explore Switch(CLLI: FMHLMIFHDS0))
248-876-6XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	FARMINGTON	FMHLMIFHDS0	05/12/2005	Prefix Type: RBOC Switch Name: FARMINGTON HILLS Switch Type: DMS100 LATA: Detroit MI (340) Tandem: WBFDMIMN20T 🔧 Explore Switch(CLLI: FMHLMIFHDS0))
248-876-7XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	FARMINGTON	FMHLMIFHDS0	05/12/2005	Prefix Type: RBOC Switch Name: FARMINGTON HILLS Switch Type: DMS100 LATA: Detroit MI (340) Tandem: WBFDMIMN20T 🔧 Explore Switch(CLLI: FMHLMIFHDS0))
248-879	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	TROY	ABHGMIMNDS0	00/00/0000	Prefix Type: RBOC Switch Name: AUBURN HEIGHTS Switch Type: EWSD LATA: Detroit MI (340) Tandem: WBFDMIMN20T 🔧 Explore Switch(CLLI: ABHGMIMNDS0))
248-886	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	DRAYTON PL	CMRCMINRRS2	00/00/0000	Prefix Type: RBOC Switch Name: COMMERCE NR RS2 Switch Type: N/A LATA: Detroit MI (340) Tandem: TROYMIMN55T 🔧 Explore Switch(CLLI: CMRCMINRRS2))
248-886 is split into 1,000-number blocks - detail below
248-886-0XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	DRAYTON PL	CMRCMINRRS2	N/A	Prefix Type: RBOC Switch Name: COMMERCE NR RS2 Switch Type: N/A LATA: Detroit MI (340) Tandem: TROYMIMN55T 🔧 Explore Switch(CLLI: CMRCMINRRS2))
248-886-1XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	DRAYTON PL	CMRCMINRRS2	N/A	Prefix Type: RBOC Switch Name: COMMERCE NR RS2 Switch Type: N/A LATA: Detroit MI (340) Tandem: TROYMIMN55T 🔧 Explore Switch(CLLI: CMRCMINRRS2))
248-886-2XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	DRAYTON PL	CMRCMINRRS2	N/A	Prefix Type: RBOC Switch Name: COMMERCE NR RS2 Switch Type: N/A LATA: Detroit MI (340) Tandem: TROYMIMN55T 🔧 Explore Switch(CLLI: CMRCMINRRS2))
248-886-8XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	DRAYTON PL	CMRCMINRRS2	N/A	Prefix Type: RBOC Switch Name: COMMERCE NR RS2 Switch Type: N/A LATA: Detroit MI (340) Tandem: TROYMIMN55T 🔧 Explore Switch(CLLI: CMRCMINRRS2))
248-888	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	FARMINGTON	FRTNMIMNDS0	00/00/0000	Prefix Type: RBOC Switch Name: FARMINGTON DS0 Switch Type: DMS100 LATA: Detroit MI (340) Tandem: WBFDMIMN20T 🔧 Explore Switch(CLLI: FRTNMIMNDS0))
248-888 is split into 1,000-number blocks - detail below
248-888-0XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	FARMINGTON	FRTNMIMNDS0	N/A	Prefix Type: RBOC Switch Name: FARMINGTON DS0 Switch Type: DMS100 LATA: Detroit MI (340) Tandem: WBFDMIMN20T 🔧 Explore Switch(CLLI: FRTNMIMNDS0))
248-888-1XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	FARMINGTON	FRTNMIMNDS0	N/A	Prefix Type: RBOC Switch Name: FARMINGTON DS0 Switch Type: DMS100 LATA: Detroit MI (340) Tandem: WBFDMIMN20T 🔧 Explore Switch(CLLI: FRTNMIMNDS0))
248-888-2XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	FARMINGTON	FRTNMIMNDS0	N/A	Prefix Type: RBOC Switch Name: FARMINGTON DS0 Switch Type: DMS100 LATA: Detroit MI (340) Tandem: WBFDMIMN20T 🔧 Explore Switch(CLLI: FRTNMIMNDS0))
248-888-4XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	FARMINGTON	FRTNMIMNDS0	N/A	Prefix Type: RBOC Switch Name: FARMINGTON DS0 Switch Type: DMS100 LATA: Detroit MI (340) Tandem: WBFDMIMN20T 🔧 Explore Switch(CLLI: FRTNMIMNDS0))
248-888-5XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	FARMINGTON	FRTNMIMNDS0	N/A	Prefix Type: RBOC Switch Name: FARMINGTON DS0 Switch Type: DMS100 LATA: Detroit MI (340) Tandem: WBFDMIMN20T 🔧 Explore Switch(CLLI: FRTNMIMNDS0))
248-888-6XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	FARMINGTON	FRTNMIMNDS0	N/A	Prefix Type: RBOC Switch Name: FARMINGTON DS0 Switch Type: DMS100 LATA: Detroit MI (340) Tandem: WBFDMIMN20T 🔧 Explore Switch(CLLI: FRTNMIMNDS0))
248-888-7XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	FARMINGTON	FRTNMIMNDS0	N/A	Prefix Type: RBOC Switch Name: FARMINGTON DS0 Switch Type: DMS100 LATA: Detroit MI (340) Tandem: WBFDMIMN20T 🔧 Explore Switch(CLLI: FRTNMIMNDS0))
248-888-8XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	FARMINGTON	FRTNMIMNDS0	N/A	Prefix Type: RBOC Switch Name: FARMINGTON DS0 Switch Type: DMS100 LATA: Detroit MI (340) Tandem: WBFDMIMN20T 🔧 Explore Switch(CLLI: FRTNMIMNDS0))
248-888-9XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	FARMINGTON	FRTNMIMNDS0	N/A	Prefix Type: RBOC Switch Name: FARMINGTON DS0 Switch Type: DMS100 LATA: Detroit MI (340) Tandem: WBFDMIMN20T 🔧 Explore Switch(CLLI: FRTNMIMNDS0))
248-898	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	ROYAL OAK	TROYMISMDS0	00/00/0000	Prefix Type: RBOC Switch Name: TROY SOMERSET DS0 Switch Type: DMS100 LATA: Detroit MI (340) Tandem: WBFDMIMN20T 🔧 Explore Switch(CLLI: TROYMISMDS0))
248-901	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	BIRMINGHAM	BRHMMIMNDS0	00/00/0000	Prefix Type: RBOC Switch Name: BIRMINGHAM DS0 Switch Type: EWSD LATA: Detroit MI (340) Tandem: TROYMIMN55T 🔧 Explore Switch(CLLI: BRHMMIMNDS0))
248-901 is split into 1,000-number blocks - detail below
248-901-0XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	BIRMINGHAM	BRHMMIMNDS0	N/A	Prefix Type: RBOC Switch Name: BIRMINGHAM DS0 Switch Type: EWSD LATA: Detroit MI (340) Tandem: TROYMIMN55T 🔧 Explore Switch(CLLI: BRHMMIMNDS0))
248-901-1XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	BIRMINGHAM	BRHMMIMNDS0	N/A	Prefix Type: RBOC Switch Name: BIRMINGHAM DS0 Switch Type: EWSD LATA: Detroit MI (340) Tandem: TROYMIMN55T 🔧 Explore Switch(CLLI: BRHMMIMNDS0))
248-901-2XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	BIRMINGHAM	BRHMMIMNDS0	N/A	Prefix Type: RBOC Switch Name: BIRMINGHAM DS0 Switch Type: EWSD LATA: Detroit MI (340) Tandem: TROYMIMN55T 🔧 Explore Switch(CLLI: BRHMMIMNDS0))
248-901-3XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	BIRMINGHAM	BRHMMIMNDS0	N/A	Prefix Type: RBOC Switch Name: BIRMINGHAM DS0 Switch Type: EWSD LATA: Detroit MI (340) Tandem: TROYMIMN55T 🔧 Explore Switch(CLLI: BRHMMIMNDS0))
248-901-4XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	BIRMINGHAM	BRHMMIMNDS0	N/A	Prefix Type: RBOC Switch Name: BIRMINGHAM DS0 Switch Type: EWSD LATA: Detroit MI (340) Tandem: TROYMIMN55T 🔧 Explore Switch(CLLI: BRHMMIMNDS0))
248-902	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	SOUTHFIELD	SFLDMIMNDS1	00/00/0000	Prefix Type: RBOC Switch Name: SOUTHFIELD DS1 Switch Type: DMS100 LATA: Detroit MI (340) Tandem: WBFDMIMN20T 🔧 Explore Switch(CLLI: SFLDMIMNDS1))
248-903	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	SOUTHFIELD	SFLDMIMNDS1	00/00/0000	Prefix Type: RBOC Switch Name: SOUTHFIELD DS1 Switch Type: DMS100 LATA: Detroit MI (340) Tandem: WBFDMIMN20T 🔧 Explore Switch(CLLI: SFLDMIMNDS1))
248-905	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	SOUTHFIELD	SFLDMIOKDS0	00/00/0000	Prefix Type: RBOC Switch Name: SFLD OAKFIELD DS0 Switch Type: 5ESS LATA: Detroit MI (340) Tandem: WBFDMIMN20T 🔧 Explore Switch(CLLI: SFLDMIOKDS0))
248-905 is split into 1,000-number blocks - detail below
248-905-0XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	SOUTHFIELD	SFLDMIOKDS0	N/A	Prefix Type: RBOC Switch Name: SFLD OAKFIELD DS0 Switch Type: 5ESS LATA: Detroit MI (340) Tandem: WBFDMIMN20T 🔧 Explore Switch(CLLI: SFLDMIOKDS0))
248-905-5XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	SOUTHFIELD	SFLDMIOKDS0	N/A	Prefix Type: RBOC Switch Name: SFLD OAKFIELD DS0 Switch Type: 5ESS LATA: Detroit MI (340) Tandem: WBFDMIMN20T 🔧 Explore Switch(CLLI: SFLDMIOKDS0))
248-905-6XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	SOUTHFIELD	SFLDMIOKDS0	N/A	Prefix Type: RBOC Switch Name: SFLD OAKFIELD DS0 Switch Type: 5ESS LATA: Detroit MI (340) Tandem: WBFDMIMN20T 🔧 Explore Switch(CLLI: SFLDMIOKDS0))
248-905-7XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	SOUTHFIELD	SFLDMIOKDS0	N/A	Prefix Type: RBOC Switch Name: SFLD OAKFIELD DS0 Switch Type: 5ESS LATA: Detroit MI (340) Tandem: WBFDMIMN20T 🔧 Explore Switch(CLLI: SFLDMIOKDS0))
248-905-8XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	SOUTHFIELD	SFLDMIOKDS0	N/A	Prefix Type: RBOC Switch Name: SFLD OAKFIELD DS0 Switch Type: 5ESS LATA: Detroit MI (340) Tandem: WBFDMIMN20T 🔧 Explore Switch(CLLI: SFLDMIOKDS0))
248-905-9XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	SOUTHFIELD	SFLDMIOKDS0	N/A	Prefix Type: RBOC Switch Name: SFLD OAKFIELD DS0 Switch Type: 5ESS LATA: Detroit MI (340) Tandem: WBFDMIMN20T 🔧 Explore Switch(CLLI: SFLDMIOKDS0))
248-907 is split into 1,000-number blocks - detail below
248-907-8XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	FARMINGTON	FMHLMIFHDS0	08/18/2017	Prefix Type: RBOC Switch Name: FARMINGTON HILLS Switch Type: DMS100 LATA: Detroit MI (340) Tandem: WBFDMIMN20T 🔧 Explore Switch(CLLI: FMHLMIFHDS0))
248-922	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	CLARKSTON	CKTNMIMNDS0	00/00/0000	Prefix Type: RBOC Switch Name: CLARKSTON Switch Type: 5ESS LATA: Detroit MI (340) Tandem: TROYMIMN55T 🔧 Explore Switch(CLLI: CKTNMIMNDS0))
248-922 is split into 1,000-number blocks - detail below
248-922-0XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	CLARKSTON	CKTNMIMNDS0	N/A	Prefix Type: RBOC Switch Name: CLARKSTON Switch Type: 5ESS LATA: Detroit MI (340) Tandem: TROYMIMN55T 🔧 Explore Switch(CLLI: CKTNMIMNDS0))
248-922-1XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	CLARKSTON	CKTNMIMNDS0	N/A	Prefix Type: RBOC Switch Name: CLARKSTON Switch Type: 5ESS LATA: Detroit MI (340) Tandem: TROYMIMN55T 🔧 Explore Switch(CLLI: CKTNMIMNDS0))
248-922-2XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	CLARKSTON	CKTNMIMNDS0	N/A	Prefix Type: RBOC Switch Name: CLARKSTON Switch Type: 5ESS LATA: Detroit MI (340) Tandem: TROYMIMN55T 🔧 Explore Switch(CLLI: CKTNMIMNDS0))
248-922-3XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	CLARKSTON	CKTNMIMNDS0	N/A	Prefix Type: RBOC Switch Name: CLARKSTON Switch Type: 5ESS LATA: Detroit MI (340) Tandem: TROYMIMN55T 🔧 Explore Switch(CLLI: CKTNMIMNDS0))
248-922-4XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	CLARKSTON	CKTNMIMNDS0	N/A	Prefix Type: RBOC Switch Name: CLARKSTON Switch Type: 5ESS LATA: Detroit MI (340) Tandem: TROYMIMN55T 🔧 Explore Switch(CLLI: CKTNMIMNDS0))
248-922-5XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	CLARKSTON	CKTNMIMNDS0	N/A	Prefix Type: RBOC Switch Name: CLARKSTON Switch Type: 5ESS LATA: Detroit MI (340) Tandem: TROYMIMN55T 🔧 Explore Switch(CLLI: CKTNMIMNDS0))
248-922-6XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	CLARKSTON	CKTNMIMNDS0	N/A	Prefix Type: RBOC Switch Name: CLARKSTON Switch Type: 5ESS LATA: Detroit MI (340) Tandem: TROYMIMN55T 🔧 Explore Switch(CLLI: CKTNMIMNDS0))
248-922-9XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	CLARKSTON	CKTNMIMNDS0	N/A	Prefix Type: RBOC Switch Name: CLARKSTON Switch Type: 5ESS LATA: Detroit MI (340) Tandem: TROYMIMN55T 🔧 Explore Switch(CLLI: CKTNMIMNDS0))
248-926	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	WALLEDLAKE	WDLKMIMNDS0	00/00/0000	Prefix Type: RBOC Switch Name: WALLED LAKE Switch Type: DMS100 LATA: Detroit MI (340) Tandem: WBFDMIMN20T 🔧 Explore Switch(CLLI: WDLKMIMNDS0))
248-932	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	W BLOOMFLD	WBFDMIMNDS0	00/00/0000	Prefix Type: RBOC Switch Name: WEST BLOOMFIELD DS0 Switch Type: EWSD LATA: Detroit MI (340) Tandem: WBFDMIMN20T 🔧 Explore Switch(CLLI: WBFDMIMNDS0))
248-944	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	PONTIAC	ABHLMIBHDS0	00/00/0000	Prefix Type: RBOC Switch Name: AUBURN HILLS Switch Type: DMS100 LATA: Detroit MI (340) Tandem: TROYMIMN55T 🔧 Explore Switch(CLLI: ABHLMIBHDS0))
248-945	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	SOUTHFIELD	SFLDMIMNDS0	00/00/0000	Prefix Type: RBOC Switch Name: SOUTHFIELD DS0 Switch Type: DMS100 LATA: Detroit MI (340) Tandem: WBFDMIMN20T 🔧 Explore Switch(CLLI: SFLDMIMNDS0))
248-945 is split into 1,000-number blocks - detail below
248-945-0XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	SOUTHFIELD	SFLDMIMNDS0	N/A	Prefix Type: RBOC Switch Name: SOUTHFIELD DS0 Switch Type: DMS100 LATA: Detroit MI (340) Tandem: WBFDMIMN20T 🔧 Explore Switch(CLLI: SFLDMIMNDS0))
248-945-1XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	SOUTHFIELD	SFLDMIMNDS0	N/A	Prefix Type: RBOC Switch Name: SOUTHFIELD DS0 Switch Type: DMS100 LATA: Detroit MI (340) Tandem: WBFDMIMN20T 🔧 Explore Switch(CLLI: SFLDMIMNDS0))
248-945-3XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	SOUTHFIELD	SFLDMIMNDS0	N/A	Prefix Type: RBOC Switch Name: SOUTHFIELD DS0 Switch Type: DMS100 LATA: Detroit MI (340) Tandem: WBFDMIMN20T 🔧 Explore Switch(CLLI: SFLDMIMNDS0))
248-945-4XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	SOUTHFIELD	SFLDMIMNDS0	N/A	Prefix Type: RBOC Switch Name: SOUTHFIELD DS0 Switch Type: DMS100 LATA: Detroit MI (340) Tandem: WBFDMIMN20T 🔧 Explore Switch(CLLI: SFLDMIMNDS0))
248-945-5XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	SOUTHFIELD	SFLDMIMNDS0	N/A	Prefix Type: RBOC Switch Name: SOUTHFIELD DS0 Switch Type: DMS100 LATA: Detroit MI (340) Tandem: WBFDMIMN20T 🔧 Explore Switch(CLLI: SFLDMIMNDS0))
248-945-6XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	SOUTHFIELD	SFLDMIMNDS0	N/A	Prefix Type: RBOC Switch Name: SOUTHFIELD DS0 Switch Type: DMS100 LATA: Detroit MI (340) Tandem: WBFDMIMN20T 🔧 Explore Switch(CLLI: SFLDMIMNDS0))
248-945-7XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	SOUTHFIELD	SFLDMIMNDS0	N/A	Prefix Type: RBOC Switch Name: SOUTHFIELD DS0 Switch Type: DMS100 LATA: Detroit MI (340) Tandem: WBFDMIMN20T 🔧 Explore Switch(CLLI: SFLDMIMNDS0))
248-945-8XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	SOUTHFIELD	SFLDMIMNDS0	N/A	Prefix Type: RBOC Switch Name: SOUTHFIELD DS0 Switch Type: DMS100 LATA: Detroit MI (340) Tandem: WBFDMIMN20T 🔧 Explore Switch(CLLI: SFLDMIMNDS0))
248-945-9XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	SOUTHFIELD	SFLDMIMNDS0	N/A	Prefix Type: RBOC Switch Name: SOUTHFIELD DS0 Switch Type: DMS100 LATA: Detroit MI (340) Tandem: WBFDMIMN20T 🔧 Explore Switch(CLLI: SFLDMIMNDS0))
248-946 is split into 1,000-number blocks - detail below
248-946-3XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	NORTHVILLE	NRVLMIMNDS0	01/24/2008	Prefix Type: RBOC Switch Name: NORTHVILLE Switch Type: DMS100 LATA: Detroit MI (340) Tandem: ANARMIMN20T 🔧 Explore Switch(CLLI: NRVLMIMNDS0))
248-948	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	SOUTHFIELD	SFLDMIMNDS1	00/00/0000	Prefix Type: RBOC Switch Name: SOUTHFIELD DS1 Switch Type: DMS100 LATA: Detroit MI (340) Tandem: WBFDMIMN20T 🔧 Explore Switch(CLLI: SFLDMIMNDS1))
248-952	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	BIRMINGHAM	ABHGMIMNDS0	00/00/0000	Prefix Type: RBOC Switch Name: AUBURN HEIGHTS Switch Type: EWSD LATA: Detroit MI (340) Tandem: WBFDMIMN20T 🔧 Explore Switch(CLLI: ABHGMIMNDS0))
248-952 is split into 1,000-number blocks - detail below
248-952-0XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	BIRMINGHAM	ABHGMIMNDS0	N/A	Prefix Type: RBOC Switch Name: AUBURN HEIGHTS Switch Type: EWSD LATA: Detroit MI (340) Tandem: WBFDMIMN20T 🔧 Explore Switch(CLLI: ABHGMIMNDS0))
248-952-1XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	BIRMINGHAM	ABHGMIMNDS0	N/A	Prefix Type: RBOC Switch Name: AUBURN HEIGHTS Switch Type: EWSD LATA: Detroit MI (340) Tandem: WBFDMIMN20T 🔧 Explore Switch(CLLI: ABHGMIMNDS0))
248-952-2XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	BIRMINGHAM	ABHGMIMNDS0	N/A	Prefix Type: RBOC Switch Name: AUBURN HEIGHTS Switch Type: EWSD LATA: Detroit MI (340) Tandem: WBFDMIMN20T 🔧 Explore Switch(CLLI: ABHGMIMNDS0))
248-952-3XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	BIRMINGHAM	ABHGMIMNDS0	N/A	Prefix Type: RBOC Switch Name: AUBURN HEIGHTS Switch Type: EWSD LATA: Detroit MI (340) Tandem: WBFDMIMN20T 🔧 Explore Switch(CLLI: ABHGMIMNDS0))
248-952-5XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	BIRMINGHAM	ABHGMIMNDS0	N/A	Prefix Type: RBOC Switch Name: AUBURN HEIGHTS Switch Type: EWSD LATA: Detroit MI (340) Tandem: WBFDMIMN20T 🔧 Explore Switch(CLLI: ABHGMIMNDS0))
248-952-6XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	BIRMINGHAM	ABHGMIMNDS0	N/A	Prefix Type: RBOC Switch Name: AUBURN HEIGHTS Switch Type: EWSD LATA: Detroit MI (340) Tandem: WBFDMIMN20T 🔧 Explore Switch(CLLI: ABHGMIMNDS0))
248-960	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	WALLEDLAKE	WDLKMIMNDS0	00/00/0000	Prefix Type: RBOC Switch Name: WALLED LAKE Switch Type: DMS100 LATA: Detroit MI (340) Tandem: WBFDMIMN20T 🔧 Explore Switch(CLLI: WDLKMIMNDS0))
248-964	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	TROY	ABHGMIMNDS0	00/00/0000	Prefix Type: RBOC Switch Name: AUBURN HEIGHTS Switch Type: EWSD LATA: Detroit MI (340) Tandem: WBFDMIMN20T 🔧 Explore Switch(CLLI: ABHGMIMNDS0))
248-967	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	ROYAL OAK	SFLDMIOKDS0	00/00/0000	Prefix Type: RBOC Switch Name: SFLD OAKFIELD DS0 Switch Type: 5ESS LATA: Detroit MI (340) Tandem: WBFDMIMN20T 🔧 Explore Switch(CLLI: SFLDMIOKDS0))
248-968	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	ROYAL OAK	SFLDMIOKDS0	00/00/0000	Prefix Type: RBOC Switch Name: SFLD OAKFIELD DS0 Switch Type: 5ESS LATA: Detroit MI (340) Tandem: WBFDMIMN20T 🔧 Explore Switch(CLLI: SFLDMIOKDS0))
248-969	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	OXFORD	OXFRMIOXDS0	00/00/0000	Prefix Type: RBOC Switch Name: OXFORD Switch Type: EWSD LATA: Detroit MI (340) Tandem: TROYMIMN55T 🔧 Explore Switch(CLLI: OXFRMIOXDS0))
248-972	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	PONTIAC	PNTCMIMNDS0	00/00/0000	Prefix Type: RBOC Switch Name: PONTIAC DS0 Switch Type: DMS100 LATA: Detroit MI (340) Tandem: TROYMIMN55T 🔧 Explore Switch(CLLI: PNTCMIMNDS0))
248-972 is split into 1,000-number blocks - detail below
248-972-0XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	PONTIAC	PNTCMIMNDS0	N/A	Prefix Type: RBOC Switch Name: PONTIAC DS0 Switch Type: DMS100 LATA: Detroit MI (340) Tandem: TROYMIMN55T 🔧 Explore Switch(CLLI: PNTCMIMNDS0))
248-972-1XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	PONTIAC	PNTCMIMNDS0	N/A	Prefix Type: RBOC Switch Name: PONTIAC DS0 Switch Type: DMS100 LATA: Detroit MI (340) Tandem: TROYMIMN55T 🔧 Explore Switch(CLLI: PNTCMIMNDS0))
248-972-3XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	PONTIAC	PNTCMIMNDS0	N/A	Prefix Type: RBOC Switch Name: PONTIAC DS0 Switch Type: DMS100 LATA: Detroit MI (340) Tandem: TROYMIMN55T 🔧 Explore Switch(CLLI: PNTCMIMNDS0))
248-972-4XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	PONTIAC	PNTCMIMNDS0	N/A	Prefix Type: RBOC Switch Name: PONTIAC DS0 Switch Type: DMS100 LATA: Detroit MI (340) Tandem: TROYMIMN55T 🔧 Explore Switch(CLLI: PNTCMIMNDS0))
248-972-9XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	PONTIAC	PNTCMIMNDS0	N/A	Prefix Type: RBOC Switch Name: PONTIAC DS0 Switch Type: DMS100 LATA: Detroit MI (340) Tandem: TROYMIMN55T 🔧 Explore Switch(CLLI: PNTCMIMNDS0))
248-975	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	PONTIAC	PNTCMIMNDS0	00/00/0000	Prefix Type: RBOC Switch Name: PONTIAC DS0 Switch Type: DMS100 LATA: Detroit MI (340) Tandem: TROYMIMN55T 🔧 Explore Switch(CLLI: PNTCMIMNDS0))
248-975 is split into 1,000-number blocks - detail below
248-975-0XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	PONTIAC	PNTCMIMNDS0	N/A	Prefix Type: RBOC Switch Name: PONTIAC DS0 Switch Type: DMS100 LATA: Detroit MI (340) Tandem: TROYMIMN55T 🔧 Explore Switch(CLLI: PNTCMIMNDS0))
248-975-1XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	PONTIAC	PNTCMIMNDS0	N/A	Prefix Type: RBOC Switch Name: PONTIAC DS0 Switch Type: DMS100 LATA: Detroit MI (340) Tandem: TROYMIMN55T 🔧 Explore Switch(CLLI: PNTCMIMNDS0))
248-975-2XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	PONTIAC	PNTCMIMNDS0	N/A	Prefix Type: RBOC Switch Name: PONTIAC DS0 Switch Type: DMS100 LATA: Detroit MI (340) Tandem: TROYMIMN55T 🔧 Explore Switch(CLLI: PNTCMIMNDS0))
248-975-3XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	PONTIAC	PNTCMIMNDS0	N/A	Prefix Type: RBOC Switch Name: PONTIAC DS0 Switch Type: DMS100 LATA: Detroit MI (340) Tandem: TROYMIMN55T 🔧 Explore Switch(CLLI: PNTCMIMNDS0))
248-975-4XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	PONTIAC	PNTCMIMNDS0	N/A	Prefix Type: RBOC Switch Name: PONTIAC DS0 Switch Type: DMS100 LATA: Detroit MI (340) Tandem: TROYMIMN55T 🔧 Explore Switch(CLLI: PNTCMIMNDS0))
248-975-5XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	PONTIAC	PNTCMIMNDS0	N/A	Prefix Type: RBOC Switch Name: PONTIAC DS0 Switch Type: DMS100 LATA: Detroit MI (340) Tandem: TROYMIMN55T 🔧 Explore Switch(CLLI: PNTCMIMNDS0))
248-975-6XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	PONTIAC	PNTCMIMNDS0	N/A	Prefix Type: RBOC Switch Name: PONTIAC DS0 Switch Type: DMS100 LATA: Detroit MI (340) Tandem: TROYMIMN55T 🔧 Explore Switch(CLLI: PNTCMIMNDS0))
248-975-8XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	PONTIAC	PNTCMIMNDS0	N/A	Prefix Type: RBOC Switch Name: PONTIAC DS0 Switch Type: DMS100 LATA: Detroit MI (340) Tandem: TROYMIMN55T 🔧 Explore Switch(CLLI: PNTCMIMNDS0))
248-975-9XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	PONTIAC	PNTCMIMNDS0	N/A	Prefix Type: RBOC Switch Name: PONTIAC DS0 Switch Type: DMS100 LATA: Detroit MI (340) Tandem: TROYMIMN55T 🔧 Explore Switch(CLLI: PNTCMIMNDS0))
248-988	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	BIRMINGHAM	BRHMMIMNDS0	00/00/0000	Prefix Type: RBOC Switch Name: BIRMINGHAM DS0 Switch Type: EWSD LATA: Detroit MI (340) Tandem: TROYMIMN55T 🔧 Explore Switch(CLLI: BRHMMIMNDS0))
248-988 is split into 1,000-number blocks - detail below
248-988-1XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	BIRMINGHAM	BRHMMIMNDS0	N/A	Prefix Type: RBOC Switch Name: BIRMINGHAM DS0 Switch Type: EWSD LATA: Detroit MI (340) Tandem: TROYMIMN55T 🔧 Explore Switch(CLLI: BRHMMIMNDS0))
248-988-2XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	BIRMINGHAM	BRHMMIMNDS0	N/A	Prefix Type: RBOC Switch Name: BIRMINGHAM DS0 Switch Type: EWSD LATA: Detroit MI (340) Tandem: TROYMIMN55T 🔧 Explore Switch(CLLI: BRHMMIMNDS0))
248-988-5XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	BIRMINGHAM	BRHMMIMNDS0	N/A	Prefix Type: RBOC Switch Name: BIRMINGHAM DS0 Switch Type: EWSD LATA: Detroit MI (340) Tandem: TROYMIMN55T 🔧 Explore Switch(CLLI: BRHMMIMNDS0))
248-988-6XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	BIRMINGHAM	BRHMMIMNDS0	N/A	Prefix Type: RBOC Switch Name: BIRMINGHAM DS0 Switch Type: EWSD LATA: Detroit MI (340) Tandem: TROYMIMN55T 🔧 Explore Switch(CLLI: BRHMMIMNDS0))
248-988-7XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	BIRMINGHAM	BRHMMIMNDS0	N/A	Prefix Type: RBOC Switch Name: BIRMINGHAM DS0 Switch Type: EWSD LATA: Detroit MI (340) Tandem: TROYMIMN55T 🔧 Explore Switch(CLLI: BRHMMIMNDS0))
248-988-8XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	BIRMINGHAM	BRHMMIMNDS0	N/A	Prefix Type: RBOC Switch Name: BIRMINGHAM DS0 Switch Type: EWSD LATA: Detroit MI (340) Tandem: TROYMIMN55T 🔧 Explore Switch(CLLI: BRHMMIMNDS0))
248-994	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	FARMINGTON	FMHLMIFHDS0	00/00/0000	Prefix Type: RBOC Switch Name: FARMINGTON HILLS Switch Type: DMS100 LATA: Detroit MI (340) Tandem: WBFDMIMN20T 🔧 Explore Switch(CLLI: FMHLMIFHDS0))
248-994 is split into 1,000-number blocks - detail below
248-994-0XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	FARMINGTON	FMHLMIFHDS0	N/A	Prefix Type: RBOC Switch Name: FARMINGTON HILLS Switch Type: DMS100 LATA: Detroit MI (340) Tandem: WBFDMIMN20T 🔧 Explore Switch(CLLI: FMHLMIFHDS0))
248-994-1XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	FARMINGTON	FMHLMIFHDS0	N/A	Prefix Type: RBOC Switch Name: FARMINGTON HILLS Switch Type: DMS100 LATA: Detroit MI (340) Tandem: WBFDMIMN20T 🔧 Explore Switch(CLLI: FMHLMIFHDS0))
248-994-2XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	FARMINGTON	FMHLMIFHDS0	N/A	Prefix Type: RBOC Switch Name: FARMINGTON HILLS Switch Type: DMS100 LATA: Detroit MI (340) Tandem: WBFDMIMN20T 🔧 Explore Switch(CLLI: FMHLMIFHDS0))
248-994-3XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	FARMINGTON	FMHLMIFHDS0	N/A	Prefix Type: RBOC Switch Name: FARMINGTON HILLS Switch Type: DMS100 LATA: Detroit MI (340) Tandem: WBFDMIMN20T 🔧 Explore Switch(CLLI: FMHLMIFHDS0))
248-994-4XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	FARMINGTON	FMHLMIFHDS0	N/A	Prefix Type: RBOC Switch Name: FARMINGTON HILLS Switch Type: DMS100 LATA: Detroit MI (340) Tandem: WBFDMIMN20T 🔧 Explore Switch(CLLI: FMHLMIFHDS0))
248-994-5XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	FARMINGTON	FMHLMIFHDS0	N/A	Prefix Type: RBOC Switch Name: FARMINGTON HILLS Switch Type: DMS100 LATA: Detroit MI (340) Tandem: WBFDMIMN20T 🔧 Explore Switch(CLLI: FMHLMIFHDS0))
248-994-7XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	FARMINGTON	FMHLMIFHDS0	N/A	Prefix Type: RBOC Switch Name: FARMINGTON HILLS Switch Type: DMS100 LATA: Detroit MI (340) Tandem: WBFDMIMN20T 🔧 Explore Switch(CLLI: FMHLMIFHDS0))
248-994-8XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	FARMINGTON	FMHLMIFHDS0	N/A	Prefix Type: RBOC Switch Name: FARMINGTON HILLS Switch Type: DMS100 LATA: Detroit MI (340) Tandem: WBFDMIMN20T 🔧 Explore Switch(CLLI: FMHLMIFHDS0))
248-994-9XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	FARMINGTON	FMHLMIFHDS0	N/A	Prefix Type: RBOC Switch Name: FARMINGTON HILLS Switch Type: DMS100 LATA: Detroit MI (340) Tandem: WBFDMIMN20T 🔧 Explore Switch(CLLI: FMHLMIFHDS0))
248-999	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	XXXXXXXXXX	NOCLLIKNOWN	00/00/0000	Prefix Type: RBOC Switch Name: N/A Switch Type: N/A LATA: N/A Tandem: N/A 🔧 Explore Switch(CLLI: NOCLLIKNOWN))
269-223 is split into 1,000-number blocks - detail below
269-223-5XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	BATTLE CRK	BTCKMIBCDS0	10/20/2006	Prefix Type: RBOC Switch Name: BATTLE CREEK BC Switch Type: DMS100 LATA: Grand Rapids MI (348) Tandem: GDRPMIBL10T 🔧 Explore Switch(CLLI: BTCKMIBCDS0))
269-223-6XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	BATTLE CRK	BTCKMIBCDS0	10/20/2006	Prefix Type: RBOC Switch Name: BATTLE CREEK BC Switch Type: DMS100 LATA: Grand Rapids MI (348) Tandem: GDRPMIBL10T 🔧 Explore Switch(CLLI: BTCKMIBCDS0))
269-226	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	KALAMAZOO	KLMZMIFADS0	00/00/0000	Prefix Type: RBOC Switch Name: KALAMAZOO DS0 Switch Type: DMS100 LATA: Grand Rapids MI (348) Tandem: GDRPMIBL10T 🔧 Explore Switch(CLLI: KLMZMIFADS0))
269-245 is split into 1,000-number blocks - detail below
269-245-3XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	BATTLE CRK	BTCKMIBCDS0	01/21/2010	Prefix Type: RBOC Switch Name: BATTLE CREEK BC Switch Type: DMS100 LATA: Grand Rapids MI (348) Tandem: GDRPMIBL10T 🔧 Explore Switch(CLLI: BTCKMIBCDS0))
269-245-4XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	BATTLE CRK	BTCKMIBCDS0	01/21/2010	Prefix Type: RBOC Switch Name: BATTLE CREEK BC Switch Type: DMS100 LATA: Grand Rapids MI (348) Tandem: GDRPMIBL10T 🔧 Explore Switch(CLLI: BTCKMIBCDS0))
269-245-5XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	BATTLE CRK	BTCKMIBCDS0	01/21/2010	Prefix Type: RBOC Switch Name: BATTLE CREEK BC Switch Type: DMS100 LATA: Grand Rapids MI (348) Tandem: GDRPMIBL10T 🔧 Explore Switch(CLLI: BTCKMIBCDS0))
269-245-8XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	BATTLE CRK	BTCKMIBCDS0	01/21/2010	Prefix Type: RBOC Switch Name: BATTLE CREEK BC Switch Type: DMS100 LATA: Grand Rapids MI (348) Tandem: GDRPMIBL10T 🔧 Explore Switch(CLLI: BTCKMIBCDS0))
269-276	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	KALAMAZOO	KLMZMIFADS0	00/00/0000	Prefix Type: RBOC Switch Name: KALAMAZOO DS0 Switch Type: DMS100 LATA: Grand Rapids MI (348) Tandem: GDRPMIBL10T 🔧 Explore Switch(CLLI: KLMZMIFADS0))
269-276 is split into 1,000-number blocks - detail below
269-276-0XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	KALAMAZOO	KLMZMIFADS0	N/A	Prefix Type: RBOC Switch Name: KALAMAZOO DS0 Switch Type: DMS100 LATA: Grand Rapids MI (348) Tandem: GDRPMIBL10T 🔧 Explore Switch(CLLI: KLMZMIFADS0))
269-276-1XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	KALAMAZOO	KLMZMIFADS0	N/A	Prefix Type: RBOC Switch Name: KALAMAZOO DS0 Switch Type: DMS100 LATA: Grand Rapids MI (348) Tandem: GDRPMIBL10T 🔧 Explore Switch(CLLI: KLMZMIFADS0))
269-276-2XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	KALAMAZOO	KLMZMIFADS0	N/A	Prefix Type: RBOC Switch Name: KALAMAZOO DS0 Switch Type: DMS100 LATA: Grand Rapids MI (348) Tandem: GDRPMIBL10T 🔧 Explore Switch(CLLI: KLMZMIFADS0))
269-276-3XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	KALAMAZOO	KLMZMIFADS0	N/A	Prefix Type: RBOC Switch Name: KALAMAZOO DS0 Switch Type: DMS100 LATA: Grand Rapids MI (348) Tandem: GDRPMIBL10T 🔧 Explore Switch(CLLI: KLMZMIFADS0))
269-276-4XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	KALAMAZOO	KLMZMIFADS0	N/A	Prefix Type: RBOC Switch Name: KALAMAZOO DS0 Switch Type: DMS100 LATA: Grand Rapids MI (348) Tandem: GDRPMIBL10T 🔧 Explore Switch(CLLI: KLMZMIFADS0))
269-276-7XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	KALAMAZOO	KLMZMIFADS0	N/A	Prefix Type: RBOC Switch Name: KALAMAZOO DS0 Switch Type: DMS100 LATA: Grand Rapids MI (348) Tandem: GDRPMIBL10T 🔧 Explore Switch(CLLI: KLMZMIFADS0))
269-276-8XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	KALAMAZOO	KLMZMIFADS0	N/A	Prefix Type: RBOC Switch Name: KALAMAZOO DS0 Switch Type: DMS100 LATA: Grand Rapids MI (348) Tandem: GDRPMIBL10T 🔧 Explore Switch(CLLI: KLMZMIFADS0))
269-276-9XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	KALAMAZOO	KLMZMIFADS0	N/A	Prefix Type: RBOC Switch Name: KALAMAZOO DS0 Switch Type: DMS100 LATA: Grand Rapids MI (348) Tandem: GDRPMIBL10T 🔧 Explore Switch(CLLI: KLMZMIFADS0))
269-321	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	KALAMAZOO	PRTGMILKDS0	00/00/0000	Prefix Type: RBOC Switch Name: PORTAGE LAKE Switch Type: EWSD LATA: Grand Rapids MI (348) Tandem: GDRPMIBL10T 🔧 Explore Switch(CLLI: PRTGMILKDS0))
269-323	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	KALAMAZOO	PRTGMILKDS0	00/00/0000	Prefix Type: RBOC Switch Name: PORTAGE LAKE Switch Type: EWSD LATA: Grand Rapids MI (348) Tandem: GDRPMIBL10T 🔧 Explore Switch(CLLI: PRTGMILKDS0))
269-324	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	KALAMAZOO	PRTGMILKDS0	00/00/0000	Prefix Type: RBOC Switch Name: PORTAGE LAKE Switch Type: EWSD LATA: Grand Rapids MI (348) Tandem: GDRPMIBL10T 🔧 Explore Switch(CLLI: PRTGMILKDS0))
269-327	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	KALAMAZOO	PRTGMILKDS0	00/00/0000	Prefix Type: RBOC Switch Name: PORTAGE LAKE Switch Type: EWSD LATA: Grand Rapids MI (348) Tandem: GDRPMIBL10T 🔧 Explore Switch(CLLI: PRTGMILKDS0))
269-329	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	KALAMAZOO	PRTGMILKDS0	00/00/0000	Prefix Type: RBOC Switch Name: PORTAGE LAKE Switch Type: EWSD LATA: Grand Rapids MI (348) Tandem: GDRPMIBL10T 🔧 Explore Switch(CLLI: PRTGMILKDS0))
269-329 is split into 1,000-number blocks - detail below
269-329-0XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	KALAMAZOO	PRTGMILKDS0	N/A	Prefix Type: RBOC Switch Name: PORTAGE LAKE Switch Type: EWSD LATA: Grand Rapids MI (348) Tandem: GDRPMIBL10T 🔧 Explore Switch(CLLI: PRTGMILKDS0))
269-329-1XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	KALAMAZOO	PRTGMILKDS0	N/A	Prefix Type: RBOC Switch Name: PORTAGE LAKE Switch Type: EWSD LATA: Grand Rapids MI (348) Tandem: GDRPMIBL10T 🔧 Explore Switch(CLLI: PRTGMILKDS0))
269-329-2XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	KALAMAZOO	PRTGMILKDS0	N/A	Prefix Type: RBOC Switch Name: PORTAGE LAKE Switch Type: EWSD LATA: Grand Rapids MI (348) Tandem: GDRPMIBL10T 🔧 Explore Switch(CLLI: PRTGMILKDS0))
269-329-3XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	KALAMAZOO	PRTGMILKDS0	N/A	Prefix Type: RBOC Switch Name: PORTAGE LAKE Switch Type: EWSD LATA: Grand Rapids MI (348) Tandem: GDRPMIBL10T 🔧 Explore Switch(CLLI: PRTGMILKDS0))
269-329-4XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	KALAMAZOO	PRTGMILKDS0	N/A	Prefix Type: RBOC Switch Name: PORTAGE LAKE Switch Type: EWSD LATA: Grand Rapids MI (348) Tandem: GDRPMIBL10T 🔧 Explore Switch(CLLI: PRTGMILKDS0))
269-329-5XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	KALAMAZOO	PRTGMILKDS0	N/A	Prefix Type: RBOC Switch Name: PORTAGE LAKE Switch Type: EWSD LATA: Grand Rapids MI (348) Tandem: GDRPMIBL10T 🔧 Explore Switch(CLLI: PRTGMILKDS0))
269-329-6XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	KALAMAZOO	PRTGMILKDS0	N/A	Prefix Type: RBOC Switch Name: PORTAGE LAKE Switch Type: EWSD LATA: Grand Rapids MI (348) Tandem: GDRPMIBL10T 🔧 Explore Switch(CLLI: PRTGMILKDS0))
269-329-7XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	KALAMAZOO	PRTGMILKDS0	N/A	Prefix Type: RBOC Switch Name: PORTAGE LAKE Switch Type: EWSD LATA: Grand Rapids MI (348) Tandem: GDRPMIBL10T 🔧 Explore Switch(CLLI: PRTGMILKDS0))
269-333	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	KALAMAZOO	KLMZMIFA333	00/00/0000	Prefix Type: RBOC Switch Name: KALAMAZOO Switch Type: Northern Telecom DMS100 (Digital) Host LATA: Grand Rapids MI (348) Tandem: N/A 🔧 Explore Switch(CLLI: KLMZMIFA333))
269-337	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	KALAMAZOO	KLMZMIFADS0	00/00/0000	Prefix Type: RBOC Switch Name: KALAMAZOO DS0 Switch Type: DMS100 LATA: Grand Rapids MI (348) Tandem: GDRPMIBL10T 🔧 Explore Switch(CLLI: KLMZMIFADS0))
269-341	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	KALAMAZOO	KLMZMIFADS0	00/00/0000	Prefix Type: RBOC Switch Name: KALAMAZOO DS0 Switch Type: DMS100 LATA: Grand Rapids MI (348) Tandem: GDRPMIBL10T 🔧 Explore Switch(CLLI: KLMZMIFADS0))
269-341 is split into 1,000-number blocks - detail below
269-341-4XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	KALAMAZOO	KLMZMIFADS0	N/A	Prefix Type: RBOC Switch Name: KALAMAZOO DS0 Switch Type: DMS100 LATA: Grand Rapids MI (348) Tandem: GDRPMIBL10T 🔧 Explore Switch(CLLI: KLMZMIFADS0))
269-341-5XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	KALAMAZOO	KLMZMIFADS0	N/A	Prefix Type: RBOC Switch Name: KALAMAZOO DS0 Switch Type: DMS100 LATA: Grand Rapids MI (348) Tandem: GDRPMIBL10T 🔧 Explore Switch(CLLI: KLMZMIFADS0))
269-341-6XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	KALAMAZOO	KLMZMIFADS0	N/A	Prefix Type: RBOC Switch Name: KALAMAZOO DS0 Switch Type: DMS100 LATA: Grand Rapids MI (348) Tandem: GDRPMIBL10T 🔧 Explore Switch(CLLI: KLMZMIFADS0))
269-341-7XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	KALAMAZOO	KLMZMIFADS0	N/A	Prefix Type: RBOC Switch Name: KALAMAZOO DS0 Switch Type: DMS100 LATA: Grand Rapids MI (348) Tandem: GDRPMIBL10T 🔧 Explore Switch(CLLI: KLMZMIFADS0))
269-341-8XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	KALAMAZOO	KLMZMIFADS0	N/A	Prefix Type: RBOC Switch Name: KALAMAZOO DS0 Switch Type: DMS100 LATA: Grand Rapids MI (348) Tandem: GDRPMIBL10T 🔧 Explore Switch(CLLI: KLMZMIFADS0))
269-341-9XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	KALAMAZOO	KLMZMIFADS0	N/A	Prefix Type: RBOC Switch Name: KALAMAZOO DS0 Switch Type: DMS100 LATA: Grand Rapids MI (348) Tandem: GDRPMIBL10T 🔧 Explore Switch(CLLI: KLMZMIFADS0))
269-342	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	KALAMAZOO	KLMZMIFADS2	00/00/0000	Prefix Type: RBOC Switch Name: KALAMAZOO DS2 Switch Type: DMS100 LATA: Grand Rapids MI (348) Tandem: GDRPMIBL10T 🔧 Explore Switch(CLLI: KLMZMIFADS2))
269-343	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	KALAMAZOO	KLMZMIFADS0	00/00/0000	Prefix Type: RBOC Switch Name: KALAMAZOO DS0 Switch Type: DMS100 LATA: Grand Rapids MI (348) Tandem: GDRPMIBL10T 🔧 Explore Switch(CLLI: KLMZMIFADS0))
269-344	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	KALAMAZOO	KLMZMIFADS2	00/00/0000	Prefix Type: RBOC Switch Name: KALAMAZOO DS2 Switch Type: DMS100 LATA: Grand Rapids MI (348) Tandem: GDRPMIBL10T 🔧 Explore Switch(CLLI: KLMZMIFADS2))
269-345	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	KALAMAZOO	KLMZMIFADS2	00/00/0000	Prefix Type: RBOC Switch Name: KALAMAZOO DS2 Switch Type: DMS100 LATA: Grand Rapids MI (348) Tandem: GDRPMIBL10T 🔧 Explore Switch(CLLI: KLMZMIFADS2))
269-349	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	KALAMAZOO	KLMZMIFADS2	00/00/0000	Prefix Type: RBOC Switch Name: KALAMAZOO DS2 Switch Type: DMS100 LATA: Grand Rapids MI (348) Tandem: GDRPMIBL10T 🔧 Explore Switch(CLLI: KLMZMIFADS2))
269-353	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	KALAMAZOO	OSHTMIWSDS0	00/00/0000	Prefix Type: RBOC Switch Name: OSHTEMO Switch Type: DMS100 LATA: Grand Rapids MI (348) Tandem: GDRPMIBL10T 🔧 Explore Switch(CLLI: OSHTMIWSDS0))
269-368	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	KALAMAZOO	OSHTMIWSDS0	00/00/0000	Prefix Type: RBOC Switch Name: OSHTEMO Switch Type: DMS100 LATA: Grand Rapids MI (348) Tandem: GDRPMIBL10T 🔧 Explore Switch(CLLI: OSHTMIWSDS0))
269-372	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	KALAMAZOO	OSHTMIWSDS0	00/00/0000	Prefix Type: RBOC Switch Name: OSHTEMO Switch Type: DMS100 LATA: Grand Rapids MI (348) Tandem: GDRPMIBL10T 🔧 Explore Switch(CLLI: OSHTMIWSDS0))
269-373	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	KALAMAZOO	KLMZMIFADS2	00/00/0000	Prefix Type: RBOC Switch Name: KALAMAZOO DS2 Switch Type: DMS100 LATA: Grand Rapids MI (348) Tandem: GDRPMIBL10T 🔧 Explore Switch(CLLI: KLMZMIFADS2))
269-375	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	KALAMAZOO	OSHTMIWSDS0	00/00/0000	Prefix Type: RBOC Switch Name: OSHTEMO Switch Type: DMS100 LATA: Grand Rapids MI (348) Tandem: GDRPMIBL10T 🔧 Explore Switch(CLLI: OSHTMIWSDS0))
269-376	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	KALAMAZOO	OSHTMIWSDS0	00/00/0000	Prefix Type: RBOC Switch Name: OSHTEMO Switch Type: DMS100 LATA: Grand Rapids MI (348) Tandem: GDRPMIBL10T 🔧 Explore Switch(CLLI: OSHTMIWSDS0))
269-381	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	KALAMAZOO	KLMZMIFADS0	00/00/0000	Prefix Type: RBOC Switch Name: KALAMAZOO DS0 Switch Type: DMS100 LATA: Grand Rapids MI (348) Tandem: GDRPMIBL10T 🔧 Explore Switch(CLLI: KLMZMIFADS0))
269-382	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	KALAMAZOO	KLMZMIFADS0	00/00/0000	Prefix Type: RBOC Switch Name: KALAMAZOO DS0 Switch Type: DMS100 LATA: Grand Rapids MI (348) Tandem: GDRPMIBL10T 🔧 Explore Switch(CLLI: KLMZMIFADS0))
269-383	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	KALAMAZOO	KLMZMIFADS2	00/00/0000	Prefix Type: RBOC Switch Name: KALAMAZOO DS2 Switch Type: DMS100 LATA: Grand Rapids MI (348) Tandem: GDRPMIBL10T 🔧 Explore Switch(CLLI: KLMZMIFADS2))
269-384	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	KALAMAZOO	KLMZMIFADS2	00/00/0000	Prefix Type: RBOC Switch Name: KALAMAZOO DS2 Switch Type: DMS100 LATA: Grand Rapids MI (348) Tandem: GDRPMIBL10T 🔧 Explore Switch(CLLI: KLMZMIFADS2))
269-384 is split into 1,000-number blocks - detail below
269-384-0XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	KALAMAZOO	KLMZMIFADS2	N/A	Prefix Type: RBOC Switch Name: KALAMAZOO DS2 Switch Type: DMS100 LATA: Grand Rapids MI (348) Tandem: GDRPMIBL10T 🔧 Explore Switch(CLLI: KLMZMIFADS2))
269-384-1XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	KALAMAZOO	KLMZMIFADS2	N/A	Prefix Type: RBOC Switch Name: KALAMAZOO DS2 Switch Type: DMS100 LATA: Grand Rapids MI (348) Tandem: GDRPMIBL10T 🔧 Explore Switch(CLLI: KLMZMIFADS2))
269-384-2XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	KALAMAZOO	KLMZMIFADS2	N/A	Prefix Type: RBOC Switch Name: KALAMAZOO DS2 Switch Type: DMS100 LATA: Grand Rapids MI (348) Tandem: GDRPMIBL10T 🔧 Explore Switch(CLLI: KLMZMIFADS2))
269-384-3XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	KALAMAZOO	KLMZMIFADS2	N/A	Prefix Type: RBOC Switch Name: KALAMAZOO DS2 Switch Type: DMS100 LATA: Grand Rapids MI (348) Tandem: GDRPMIBL10T 🔧 Explore Switch(CLLI: KLMZMIFADS2))
269-384-4XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	KALAMAZOO	KLMZMIFADS2	N/A	Prefix Type: RBOC Switch Name: KALAMAZOO DS2 Switch Type: DMS100 LATA: Grand Rapids MI (348) Tandem: GDRPMIBL10T 🔧 Explore Switch(CLLI: KLMZMIFADS2))
269-384-5XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	KALAMAZOO	KLMZMIFADS2	N/A	Prefix Type: RBOC Switch Name: KALAMAZOO DS2 Switch Type: DMS100 LATA: Grand Rapids MI (348) Tandem: GDRPMIBL10T 🔧 Explore Switch(CLLI: KLMZMIFADS2))
269-384-6XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	KALAMAZOO	KLMZMIFADS2	N/A	Prefix Type: RBOC Switch Name: KALAMAZOO DS2 Switch Type: DMS100 LATA: Grand Rapids MI (348) Tandem: GDRPMIBL10T 🔧 Explore Switch(CLLI: KLMZMIFADS2))
269-384-7XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	KALAMAZOO	KLMZMIFADS2	N/A	Prefix Type: RBOC Switch Name: KALAMAZOO DS2 Switch Type: DMS100 LATA: Grand Rapids MI (348) Tandem: GDRPMIBL10T 🔧 Explore Switch(CLLI: KLMZMIFADS2))
269-384-8XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	KALAMAZOO	KLMZMIFADS2	N/A	Prefix Type: RBOC Switch Name: KALAMAZOO DS2 Switch Type: DMS100 LATA: Grand Rapids MI (348) Tandem: GDRPMIBL10T 🔧 Explore Switch(CLLI: KLMZMIFADS2))
269-385	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	KALAMAZOO	KLMZMIFADS2	00/00/0000	Prefix Type: RBOC Switch Name: KALAMAZOO DS2 Switch Type: DMS100 LATA: Grand Rapids MI (348) Tandem: GDRPMIBL10T 🔧 Explore Switch(CLLI: KLMZMIFADS2))
269-387	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	KALAMAZOO	KLMZMIFADS0	00/00/0000	Prefix Type: RBOC Switch Name: KALAMAZOO DS0 Switch Type: DMS100 LATA: Grand Rapids MI (348) Tandem: GDRPMIBL10T 🔧 Explore Switch(CLLI: KLMZMIFADS0))
269-388	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	KALAMAZOO	KLMZMIFADS2	00/00/0000	Prefix Type: RBOC Switch Name: KALAMAZOO DS2 Switch Type: DMS100 LATA: Grand Rapids MI (348) Tandem: GDRPMIBL10T 🔧 Explore Switch(CLLI: KLMZMIFADS2))
269-408	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	ST JOSEPH	STJSMISODS0	00/00/0000	Prefix Type: RBOC Switch Name: ST JOSEPH DS0 Switch Type: EWSD LATA: Grand Rapids MI (348) Tandem: GDRPMIBL10T 🔧 Explore Switch(CLLI: STJSMISODS0))
269-408 is split into 1,000-number blocks - detail below
269-408-0XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	ST JOSEPH	STJSMISODS0	N/A	Prefix Type: RBOC Switch Name: ST JOSEPH DS0 Switch Type: EWSD LATA: Grand Rapids MI (348) Tandem: GDRPMIBL10T 🔧 Explore Switch(CLLI: STJSMISODS0))
269-408-1XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	ST JOSEPH	STJSMISODS0	N/A	Prefix Type: RBOC Switch Name: ST JOSEPH DS0 Switch Type: EWSD LATA: Grand Rapids MI (348) Tandem: GDRPMIBL10T 🔧 Explore Switch(CLLI: STJSMISODS0))
269-428	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	ST JOSEPH	STJSMISODS0	00/00/0000	Prefix Type: RBOC Switch Name: ST JOSEPH DS0 Switch Type: EWSD LATA: Grand Rapids MI (348) Tandem: GDRPMIBL10T 🔧 Explore Switch(CLLI: STJSMISODS0))
269-429	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	ST JOSEPH	STJSMISODS0	00/00/0000	Prefix Type: RBOC Switch Name: ST JOSEPH DS0 Switch Type: EWSD LATA: Grand Rapids MI (348) Tandem: GDRPMIBL10T 🔧 Explore Switch(CLLI: STJSMISODS0))
269-461	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	EAU CLAIRE	EUCLMIECRSA	00/00/0000	Prefix Type: RBOC Switch Name: EAU CLAIRE Switch Type: N/A LATA: Grand Rapids MI (348) Tandem: GDRPMIBL10T 🔧 Explore Switch(CLLI: EUCLMIECRSA))
269-461 is split into 1,000-number blocks - detail below
269-461-3XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	EAU CLAIRE	EUCLMIECRSA	N/A	Prefix Type: RBOC Switch Name: EAU CLAIRE Switch Type: N/A LATA: Grand Rapids MI (348) Tandem: GDRPMIBL10T 🔧 Explore Switch(CLLI: EUCLMIECRSA))
269-461-4XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	EAU CLAIRE	EUCLMIECRSA	N/A	Prefix Type: RBOC Switch Name: EAU CLAIRE Switch Type: N/A LATA: Grand Rapids MI (348) Tandem: GDRPMIBL10T 🔧 Explore Switch(CLLI: EUCLMIECRSA))
269-461-6XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	EAU CLAIRE	EUCLMIECRSA	N/A	Prefix Type: RBOC Switch Name: EAU CLAIRE Switch Type: N/A LATA: Grand Rapids MI (348) Tandem: GDRPMIBL10T 🔧 Explore Switch(CLLI: EUCLMIECRSA))
269-463	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	WATERVLIET	WTRVMIWVRSA	00/00/0000	Prefix Type: RBOC Switch Name: WATERVLIET Switch Type: N/A LATA: Grand Rapids MI (348) Tandem: GDRPMIBL10T 🔧 Explore Switch(CLLI: WTRVMIWVRSA))
269-463 is split into 1,000-number blocks - detail below
269-463-0XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	WATERVLIET	WTRVMIWVRSA	N/A	Prefix Type: RBOC Switch Name: WATERVLIET Switch Type: N/A LATA: Grand Rapids MI (348) Tandem: GDRPMIBL10T 🔧 Explore Switch(CLLI: WTRVMIWVRSA))
269-463-2XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	WATERVLIET	WTRVMIWVRSA	N/A	Prefix Type: RBOC Switch Name: WATERVLIET Switch Type: N/A LATA: Grand Rapids MI (348) Tandem: GDRPMIBL10T 🔧 Explore Switch(CLLI: WTRVMIWVRSA))
269-463-3XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	WATERVLIET	WTRVMIWVRSA	N/A	Prefix Type: RBOC Switch Name: WATERVLIET Switch Type: N/A LATA: Grand Rapids MI (348) Tandem: GDRPMIBL10T 🔧 Explore Switch(CLLI: WTRVMIWVRSA))
269-463-4XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	WATERVLIET	WTRVMIWVRSA	N/A	Prefix Type: RBOC Switch Name: WATERVLIET Switch Type: N/A LATA: Grand Rapids MI (348) Tandem: GDRPMIBL10T 🔧 Explore Switch(CLLI: WTRVMIWVRSA))
269-463-5XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	WATERVLIET	WTRVMIWVRSA	N/A	Prefix Type: RBOC Switch Name: WATERVLIET Switch Type: N/A LATA: Grand Rapids MI (348) Tandem: GDRPMIBL10T 🔧 Explore Switch(CLLI: WTRVMIWVRSA))
269-463-6XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	WATERVLIET	WTRVMIWVRSA	N/A	Prefix Type: RBOC Switch Name: WATERVLIET Switch Type: N/A LATA: Grand Rapids MI (348) Tandem: GDRPMIBL10T 🔧 Explore Switch(CLLI: WTRVMIWVRSA))
269-463-7XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	WATERVLIET	WTRVMIWVRSA	N/A	Prefix Type: RBOC Switch Name: WATERVLIET Switch Type: N/A LATA: Grand Rapids MI (348) Tandem: GDRPMIBL10T 🔧 Explore Switch(CLLI: WTRVMIWVRSA))
269-463-8XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	WATERVLIET	WTRVMIWVRSA	N/A	Prefix Type: RBOC Switch Name: WATERVLIET Switch Type: N/A LATA: Grand Rapids MI (348) Tandem: GDRPMIBL10T 🔧 Explore Switch(CLLI: WTRVMIWVRSA))
269-468	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	COLOMA	WTRVMIWVRSA	00/00/0000	Prefix Type: RBOC Switch Name: WATERVLIET Switch Type: N/A LATA: Grand Rapids MI (348) Tandem: GDRPMIBL10T 🔧 Explore Switch(CLLI: WTRVMIWVRSA))
269-468 is split into 1,000-number blocks - detail below
269-468-2XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	COLOMA	WTRVMIWVRSA	N/A	Prefix Type: RBOC Switch Name: WATERVLIET Switch Type: N/A LATA: Grand Rapids MI (348) Tandem: GDRPMIBL10T 🔧 Explore Switch(CLLI: WTRVMIWVRSA))
269-468-3XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	COLOMA	WTRVMIWVRSA	N/A	Prefix Type: RBOC Switch Name: WATERVLIET Switch Type: N/A LATA: Grand Rapids MI (348) Tandem: GDRPMIBL10T 🔧 Explore Switch(CLLI: WTRVMIWVRSA))
269-468-4XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	COLOMA	WTRVMIWVRSA	N/A	Prefix Type: RBOC Switch Name: WATERVLIET Switch Type: N/A LATA: Grand Rapids MI (348) Tandem: GDRPMIBL10T 🔧 Explore Switch(CLLI: WTRVMIWVRSA))
269-468-5XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	COLOMA	WTRVMIWVRSA	N/A	Prefix Type: RBOC Switch Name: WATERVLIET Switch Type: N/A LATA: Grand Rapids MI (348) Tandem: GDRPMIBL10T 🔧 Explore Switch(CLLI: WTRVMIWVRSA))
269-468-6XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	COLOMA	WTRVMIWVRSA	N/A	Prefix Type: RBOC Switch Name: WATERVLIET Switch Type: N/A LATA: Grand Rapids MI (348) Tandem: GDRPMIBL10T 🔧 Explore Switch(CLLI: WTRVMIWVRSA))
269-468-7XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	COLOMA	WTRVMIWVRSA	N/A	Prefix Type: RBOC Switch Name: WATERVLIET Switch Type: N/A LATA: Grand Rapids MI (348) Tandem: GDRPMIBL10T 🔧 Explore Switch(CLLI: WTRVMIWVRSA))
269-468-8XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	COLOMA	WTRVMIWVRSA	N/A	Prefix Type: RBOC Switch Name: WATERVLIET Switch Type: N/A LATA: Grand Rapids MI (348) Tandem: GDRPMIBL10T 🔧 Explore Switch(CLLI: WTRVMIWVRSA))
269-469	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	NEWBUFFALO	NWBFMIMNDS0	00/00/0000	Prefix Type: RBOC Switch Name: NEW BUFFALO Switch Type: DMS10 LATA: Grand Rapids MI (348) Tandem: GDRPMIBL10T 🔧 Explore Switch(CLLI: NWBFMIMNDS0))
269-471	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	BERRIENSPG	BRSPMIBSRSA	00/00/0000	Prefix Type: RBOC Switch Name: BERRIEN SPRINGS Switch Type: N/A LATA: Grand Rapids MI (348) Tandem: GDRPMIBL10T 🔧 Explore Switch(CLLI: BRSPMIBSRSA))
269-473	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	BERRIENSPG	BRSPMIBSRSA	00/00/0000	Prefix Type: RBOC Switch Name: BERRIEN SPRINGS Switch Type: N/A LATA: Grand Rapids MI (348) Tandem: GDRPMIBL10T 🔧 Explore Switch(CLLI: BRSPMIBSRSA))
269-473 is split into 1,000-number blocks - detail below
269-473-1XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	BERRIENSPG	BRSPMIBSRSA	N/A	Prefix Type: RBOC Switch Name: BERRIEN SPRINGS Switch Type: N/A LATA: Grand Rapids MI (348) Tandem: GDRPMIBL10T 🔧 Explore Switch(CLLI: BRSPMIBSRSA))
269-473-2XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	BERRIENSPG	BRSPMIBSRSA	N/A	Prefix Type: RBOC Switch Name: BERRIEN SPRINGS Switch Type: N/A LATA: Grand Rapids MI (348) Tandem: GDRPMIBL10T 🔧 Explore Switch(CLLI: BRSPMIBSRSA))
269-473-3XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	BERRIENSPG	BRSPMIBSRSA	N/A	Prefix Type: RBOC Switch Name: BERRIEN SPRINGS Switch Type: N/A LATA: Grand Rapids MI (348) Tandem: GDRPMIBL10T 🔧 Explore Switch(CLLI: BRSPMIBSRSA))
269-473-4XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	BERRIENSPG	BRSPMIBSRSA	N/A	Prefix Type: RBOC Switch Name: BERRIEN SPRINGS Switch Type: N/A LATA: Grand Rapids MI (348) Tandem: GDRPMIBL10T 🔧 Explore Switch(CLLI: BRSPMIBSRSA))
269-473-5XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	BERRIENSPG	BRSPMIBSRSA	N/A	Prefix Type: RBOC Switch Name: BERRIEN SPRINGS Switch Type: N/A LATA: Grand Rapids MI (348) Tandem: GDRPMIBL10T 🔧 Explore Switch(CLLI: BRSPMIBSRSA))
269-473-8XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	BERRIENSPG	BRSPMIBSRSA	N/A	Prefix Type: RBOC Switch Name: BERRIEN SPRINGS Switch Type: N/A LATA: Grand Rapids MI (348) Tandem: GDRPMIBL10T 🔧 Explore Switch(CLLI: BRSPMIBSRSA))
269-544	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	KALAMAZOO	OSHTMIWSDS0	00/00/0000	Prefix Type: RBOC Switch Name: OSHTEMO Switch Type: DMS100 LATA: Grand Rapids MI (348) Tandem: GDRPMIBL10T 🔧 Explore Switch(CLLI: OSHTMIWSDS0))
269-544 is split into 1,000-number blocks - detail below
269-544-0XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	KALAMAZOO	OSHTMIWSDS0	N/A	Prefix Type: RBOC Switch Name: OSHTEMO Switch Type: DMS100 LATA: Grand Rapids MI (348) Tandem: GDRPMIBL10T 🔧 Explore Switch(CLLI: OSHTMIWSDS0))
269-544-1XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	KALAMAZOO	OSHTMIWSDS0	N/A	Prefix Type: RBOC Switch Name: OSHTEMO Switch Type: DMS100 LATA: Grand Rapids MI (348) Tandem: GDRPMIBL10T 🔧 Explore Switch(CLLI: OSHTMIWSDS0))
269-544-2XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	KALAMAZOO	OSHTMIWSDS0	N/A	Prefix Type: RBOC Switch Name: OSHTEMO Switch Type: DMS100 LATA: Grand Rapids MI (348) Tandem: GDRPMIBL10T 🔧 Explore Switch(CLLI: OSHTMIWSDS0))
269-544-3XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	KALAMAZOO	OSHTMIWSDS0	N/A	Prefix Type: RBOC Switch Name: OSHTEMO Switch Type: DMS100 LATA: Grand Rapids MI (348) Tandem: GDRPMIBL10T 🔧 Explore Switch(CLLI: OSHTMIWSDS0))
269-544-4XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	KALAMAZOO	OSHTMIWSDS0	N/A	Prefix Type: RBOC Switch Name: OSHTEMO Switch Type: DMS100 LATA: Grand Rapids MI (348) Tandem: GDRPMIBL10T 🔧 Explore Switch(CLLI: OSHTMIWSDS0))
269-544-5XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	KALAMAZOO	OSHTMIWSDS0	N/A	Prefix Type: RBOC Switch Name: OSHTEMO Switch Type: DMS100 LATA: Grand Rapids MI (348) Tandem: GDRPMIBL10T 🔧 Explore Switch(CLLI: OSHTMIWSDS0))
269-544-6XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	KALAMAZOO	OSHTMIWSDS0	N/A	Prefix Type: RBOC Switch Name: OSHTEMO Switch Type: DMS100 LATA: Grand Rapids MI (348) Tandem: GDRPMIBL10T 🔧 Explore Switch(CLLI: OSHTMIWSDS0))
269-544-7XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	KALAMAZOO	OSHTMIWSDS0	N/A	Prefix Type: RBOC Switch Name: OSHTEMO Switch Type: DMS100 LATA: Grand Rapids MI (348) Tandem: GDRPMIBL10T 🔧 Explore Switch(CLLI: OSHTMIWSDS0))
269-545	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	GALIEN	GLENMIMNRSA	00/00/0000	Prefix Type: RBOC Switch Name: GALIEN Switch Type: N/A LATA: Grand Rapids MI (348) Tandem: GDRPMIBL10T 🔧 Explore Switch(CLLI: GLENMIMNRSA))
269-545 is split into 1,000-number blocks - detail below
269-545-0XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	GALIEN	GLENMIMNRSA	N/A	Prefix Type: RBOC Switch Name: GALIEN Switch Type: N/A LATA: Grand Rapids MI (348) Tandem: GDRPMIBL10T 🔧 Explore Switch(CLLI: GLENMIMNRSA))
269-545-3XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	GALIEN	GLENMIMNRSA	N/A	Prefix Type: RBOC Switch Name: GALIEN Switch Type: N/A LATA: Grand Rapids MI (348) Tandem: GDRPMIBL10T 🔧 Explore Switch(CLLI: GLENMIMNRSA))
269-545-8XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	GALIEN	GLENMIMNRSA	N/A	Prefix Type: RBOC Switch Name: GALIEN Switch Type: N/A LATA: Grand Rapids MI (348) Tandem: GDRPMIBL10T 🔧 Explore Switch(CLLI: GLENMIMNRSA))
269-552	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	KALAMAZOO	KLMZMIFADS0	00/00/0000	Prefix Type: RBOC Switch Name: KALAMAZOO DS0 Switch Type: DMS100 LATA: Grand Rapids MI (348) Tandem: GDRPMIBL10T 🔧 Explore Switch(CLLI: KLMZMIFADS0))
269-552 is split into 1,000-number blocks - detail below
269-552-0XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	KALAMAZOO	KLMZMIFADS0	N/A	Prefix Type: RBOC Switch Name: KALAMAZOO DS0 Switch Type: DMS100 LATA: Grand Rapids MI (348) Tandem: GDRPMIBL10T 🔧 Explore Switch(CLLI: KLMZMIFADS0))
269-552-1XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	KALAMAZOO	KLMZMIFADS0	N/A	Prefix Type: RBOC Switch Name: KALAMAZOO DS0 Switch Type: DMS100 LATA: Grand Rapids MI (348) Tandem: GDRPMIBL10T 🔧 Explore Switch(CLLI: KLMZMIFADS0))
269-552-2XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	KALAMAZOO	KLMZMIFADS0	N/A	Prefix Type: RBOC Switch Name: KALAMAZOO DS0 Switch Type: DMS100 LATA: Grand Rapids MI (348) Tandem: GDRPMIBL10T 🔧 Explore Switch(CLLI: KLMZMIFADS0))
269-552-3XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	KALAMAZOO	KLMZMIFADS0	N/A	Prefix Type: RBOC Switch Name: KALAMAZOO DS0 Switch Type: DMS100 LATA: Grand Rapids MI (348) Tandem: GDRPMIBL10T 🔧 Explore Switch(CLLI: KLMZMIFADS0))
269-552-4XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	KALAMAZOO	KLMZMIFADS0	N/A	Prefix Type: RBOC Switch Name: KALAMAZOO DS0 Switch Type: DMS100 LATA: Grand Rapids MI (348) Tandem: GDRPMIBL10T 🔧 Explore Switch(CLLI: KLMZMIFADS0))
269-552-5XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	KALAMAZOO	KLMZMIFADS0	N/A	Prefix Type: RBOC Switch Name: KALAMAZOO DS0 Switch Type: DMS100 LATA: Grand Rapids MI (348) Tandem: GDRPMIBL10T 🔧 Explore Switch(CLLI: KLMZMIFADS0))
269-552-6XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	KALAMAZOO	KLMZMIFADS0	N/A	Prefix Type: RBOC Switch Name: KALAMAZOO DS0 Switch Type: DMS100 LATA: Grand Rapids MI (348) Tandem: GDRPMIBL10T 🔧 Explore Switch(CLLI: KLMZMIFADS0))
269-552-7XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	KALAMAZOO	KLMZMIFADS0	N/A	Prefix Type: RBOC Switch Name: KALAMAZOO DS0 Switch Type: DMS100 LATA: Grand Rapids MI (348) Tandem: GDRPMIBL10T 🔧 Explore Switch(CLLI: KLMZMIFADS0))
269-552-9XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	KALAMAZOO	KLMZMIFADS0	N/A	Prefix Type: RBOC Switch Name: KALAMAZOO DS0 Switch Type: DMS100 LATA: Grand Rapids MI (348) Tandem: GDRPMIBL10T 🔧 Explore Switch(CLLI: KLMZMIFADS0))
269-553	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	KALAMAZOO	KLMZMIFADS2	00/00/0000	Prefix Type: RBOC Switch Name: KALAMAZOO DS2 Switch Type: DMS100 LATA: Grand Rapids MI (348) Tandem: GDRPMIBL10T 🔧 Explore Switch(CLLI: KLMZMIFADS2))
269-553 is split into 1,000-number blocks - detail below
269-553-0XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	KALAMAZOO	KLMZMIFADS2	N/A	Prefix Type: RBOC Switch Name: KALAMAZOO DS2 Switch Type: DMS100 LATA: Grand Rapids MI (348) Tandem: GDRPMIBL10T 🔧 Explore Switch(CLLI: KLMZMIFADS2))
269-553-1XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	KALAMAZOO	KLMZMIFADS2	N/A	Prefix Type: RBOC Switch Name: KALAMAZOO DS2 Switch Type: DMS100 LATA: Grand Rapids MI (348) Tandem: GDRPMIBL10T 🔧 Explore Switch(CLLI: KLMZMIFADS2))
269-553-2XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	KALAMAZOO	KLMZMIFADS2	N/A	Prefix Type: RBOC Switch Name: KALAMAZOO DS2 Switch Type: DMS100 LATA: Grand Rapids MI (348) Tandem: GDRPMIBL10T 🔧 Explore Switch(CLLI: KLMZMIFADS2))
269-553-3XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	KALAMAZOO	KLMZMIFADS2	N/A	Prefix Type: RBOC Switch Name: KALAMAZOO DS2 Switch Type: DMS100 LATA: Grand Rapids MI (348) Tandem: GDRPMIBL10T 🔧 Explore Switch(CLLI: KLMZMIFADS2))
269-553-5XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	KALAMAZOO	KLMZMIFADS2	N/A	Prefix Type: RBOC Switch Name: KALAMAZOO DS2 Switch Type: DMS100 LATA: Grand Rapids MI (348) Tandem: GDRPMIBL10T 🔧 Explore Switch(CLLI: KLMZMIFADS2))
269-553-6XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	KALAMAZOO	KLMZMIFADS2	N/A	Prefix Type: RBOC Switch Name: KALAMAZOO DS2 Switch Type: DMS100 LATA: Grand Rapids MI (348) Tandem: GDRPMIBL10T 🔧 Explore Switch(CLLI: KLMZMIFADS2))
269-553-7XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	KALAMAZOO	KLMZMIFADS2	N/A	Prefix Type: RBOC Switch Name: KALAMAZOO DS2 Switch Type: DMS100 LATA: Grand Rapids MI (348) Tandem: GDRPMIBL10T 🔧 Explore Switch(CLLI: KLMZMIFADS2))
269-553-8XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	KALAMAZOO	KLMZMIFADS2	N/A	Prefix Type: RBOC Switch Name: KALAMAZOO DS2 Switch Type: DMS100 LATA: Grand Rapids MI (348) Tandem: GDRPMIBL10T 🔧 Explore Switch(CLLI: KLMZMIFADS2))
269-553-9XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	KALAMAZOO	KLMZMIFADS2	N/A	Prefix Type: RBOC Switch Name: KALAMAZOO DS2 Switch Type: DMS100 LATA: Grand Rapids MI (348) Tandem: GDRPMIBL10T 🔧 Explore Switch(CLLI: KLMZMIFADS2))
269-556	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	ST JOSEPH	STJSMISODS0	00/00/0000	Prefix Type: RBOC Switch Name: ST JOSEPH DS0 Switch Type: EWSD LATA: Grand Rapids MI (348) Tandem: GDRPMIBL10T 🔧 Explore Switch(CLLI: STJSMISODS0))
269-556 is split into 1,000-number blocks - detail below
269-556-0XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	ST JOSEPH	STJSMISODS0	N/A	Prefix Type: RBOC Switch Name: ST JOSEPH DS0 Switch Type: EWSD LATA: Grand Rapids MI (348) Tandem: GDRPMIBL10T 🔧 Explore Switch(CLLI: STJSMISODS0))
269-556-1XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	ST JOSEPH	STJSMISODS0	N/A	Prefix Type: RBOC Switch Name: ST JOSEPH DS0 Switch Type: EWSD LATA: Grand Rapids MI (348) Tandem: GDRPMIBL10T 🔧 Explore Switch(CLLI: STJSMISODS0))
269-556-2XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	ST JOSEPH	STJSMISODS0	N/A	Prefix Type: RBOC Switch Name: ST JOSEPH DS0 Switch Type: EWSD LATA: Grand Rapids MI (348) Tandem: GDRPMIBL10T 🔧 Explore Switch(CLLI: STJSMISODS0))
269-556-7XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	ST JOSEPH	STJSMISODS0	N/A	Prefix Type: RBOC Switch Name: ST JOSEPH DS0 Switch Type: EWSD LATA: Grand Rapids MI (348) Tandem: GDRPMIBL10T 🔧 Explore Switch(CLLI: STJSMISODS0))
269-556-9XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	ST JOSEPH	STJSMISODS0	N/A	Prefix Type: RBOC Switch Name: ST JOSEPH DS0 Switch Type: EWSD LATA: Grand Rapids MI (348) Tandem: GDRPMIBL10T 🔧 Explore Switch(CLLI: STJSMISODS0))
269-565	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	BATTLE CRK	BTCKMIBCDS0	00/00/0000	Prefix Type: RBOC Switch Name: BATTLE CREEK BC Switch Type: DMS100 LATA: Grand Rapids MI (348) Tandem: GDRPMIBL10T 🔧 Explore Switch(CLLI: BTCKMIBCDS0))
269-565 is split into 1,000-number blocks - detail below
269-565-0XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	BATTLE CRK	BTCKMIBCDS0	N/A	Prefix Type: RBOC Switch Name: BATTLE CREEK BC Switch Type: DMS100 LATA: Grand Rapids MI (348) Tandem: GDRPMIBL10T 🔧 Explore Switch(CLLI: BTCKMIBCDS0))
269-565-1XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	BATTLE CRK	BTCKMIBCDS0	N/A	Prefix Type: RBOC Switch Name: BATTLE CREEK BC Switch Type: DMS100 LATA: Grand Rapids MI (348) Tandem: GDRPMIBL10T 🔧 Explore Switch(CLLI: BTCKMIBCDS0))
269-565-2XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	BATTLE CRK	BTCKMIBCDS0	N/A	Prefix Type: RBOC Switch Name: BATTLE CREEK BC Switch Type: DMS100 LATA: Grand Rapids MI (348) Tandem: GDRPMIBL10T 🔧 Explore Switch(CLLI: BTCKMIBCDS0))
269-565-3XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	BATTLE CRK	BTCKMIBCDS0	N/A	Prefix Type: RBOC Switch Name: BATTLE CREEK BC Switch Type: DMS100 LATA: Grand Rapids MI (348) Tandem: GDRPMIBL10T 🔧 Explore Switch(CLLI: BTCKMIBCDS0))
269-565-4XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	BATTLE CRK	BTCKMIBCDS0	N/A	Prefix Type: RBOC Switch Name: BATTLE CREEK BC Switch Type: DMS100 LATA: Grand Rapids MI (348) Tandem: GDRPMIBL10T 🔧 Explore Switch(CLLI: BTCKMIBCDS0))
269-565-6XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	BATTLE CRK	BTCKMIBCDS0	N/A	Prefix Type: RBOC Switch Name: BATTLE CREEK BC Switch Type: DMS100 LATA: Grand Rapids MI (348) Tandem: GDRPMIBL10T 🔧 Explore Switch(CLLI: BTCKMIBCDS0))
269-565-7XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	BATTLE CRK	BTCKMIBCDS0	N/A	Prefix Type: RBOC Switch Name: BATTLE CREEK BC Switch Type: DMS100 LATA: Grand Rapids MI (348) Tandem: GDRPMIBL10T 🔧 Explore Switch(CLLI: BTCKMIBCDS0))
269-565-8XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	BATTLE CRK	BTCKMIBCDS0	N/A	Prefix Type: RBOC Switch Name: BATTLE CREEK BC Switch Type: DMS100 LATA: Grand Rapids MI (348) Tandem: GDRPMIBL10T 🔧 Explore Switch(CLLI: BTCKMIBCDS0))
269-565-9XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	BATTLE CRK	BTCKMIBCDS0	N/A	Prefix Type: RBOC Switch Name: BATTLE CREEK BC Switch Type: DMS100 LATA: Grand Rapids MI (348) Tandem: GDRPMIBL10T 🔧 Explore Switch(CLLI: BTCKMIBCDS0))
269-567	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	KALAMAZOO	KLMZMIFADS0	00/00/0000	Prefix Type: RBOC Switch Name: KALAMAZOO DS0 Switch Type: DMS100 LATA: Grand Rapids MI (348) Tandem: GDRPMIBL10T 🔧 Explore Switch(CLLI: KLMZMIFADS0))
269-567 is split into 1,000-number blocks - detail below
269-567-1XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	KALAMAZOO	KLMZMIFADS0	N/A	Prefix Type: RBOC Switch Name: KALAMAZOO DS0 Switch Type: DMS100 LATA: Grand Rapids MI (348) Tandem: GDRPMIBL10T 🔧 Explore Switch(CLLI: KLMZMIFADS0))
269-567-2XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	KALAMAZOO	KLMZMIFADS0	N/A	Prefix Type: RBOC Switch Name: KALAMAZOO DS0 Switch Type: DMS100 LATA: Grand Rapids MI (348) Tandem: GDRPMIBL10T 🔧 Explore Switch(CLLI: KLMZMIFADS0))
269-567-3XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	KALAMAZOO	KLMZMIFADS0	N/A	Prefix Type: RBOC Switch Name: KALAMAZOO DS0 Switch Type: DMS100 LATA: Grand Rapids MI (348) Tandem: GDRPMIBL10T 🔧 Explore Switch(CLLI: KLMZMIFADS0))
269-567-4XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	KALAMAZOO	KLMZMIFADS0	N/A	Prefix Type: RBOC Switch Name: KALAMAZOO DS0 Switch Type: DMS100 LATA: Grand Rapids MI (348) Tandem: GDRPMIBL10T 🔧 Explore Switch(CLLI: KLMZMIFADS0))
269-567-5XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	KALAMAZOO	KLMZMIFADS0	N/A	Prefix Type: RBOC Switch Name: KALAMAZOO DS0 Switch Type: DMS100 LATA: Grand Rapids MI (348) Tandem: GDRPMIBL10T 🔧 Explore Switch(CLLI: KLMZMIFADS0))
269-567-6XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	KALAMAZOO	KLMZMIFADS0	N/A	Prefix Type: RBOC Switch Name: KALAMAZOO DS0 Switch Type: DMS100 LATA: Grand Rapids MI (348) Tandem: GDRPMIBL10T 🔧 Explore Switch(CLLI: KLMZMIFADS0))
269-567-7XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	KALAMAZOO	KLMZMIFADS0	N/A	Prefix Type: RBOC Switch Name: KALAMAZOO DS0 Switch Type: DMS100 LATA: Grand Rapids MI (348) Tandem: GDRPMIBL10T 🔧 Explore Switch(CLLI: KLMZMIFADS0))
269-567-9XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	KALAMAZOO	KLMZMIFADS0	N/A	Prefix Type: RBOC Switch Name: KALAMAZOO DS0 Switch Type: DMS100 LATA: Grand Rapids MI (348) Tandem: GDRPMIBL10T 🔧 Explore Switch(CLLI: KLMZMIFADS0))
269-586	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	NEWBUFFALO	NWBFMIMNDS0	00/00/0000	Prefix Type: RBOC Switch Name: NEW BUFFALO Switch Type: DMS10 LATA: Grand Rapids MI (348) Tandem: GDRPMIBL10T 🔧 Explore Switch(CLLI: NWBFMIMNDS0))
269-586 is split into 1,000-number blocks - detail below
269-586-2XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	NEWBUFFALO	NWBFMIMNDS0	N/A	Prefix Type: RBOC Switch Name: NEW BUFFALO Switch Type: DMS10 LATA: Grand Rapids MI (348) Tandem: GDRPMIBL10T 🔧 Explore Switch(CLLI: NWBFMIMNDS0))
269-586-6XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	NEWBUFFALO	NWBFMIMNDS0	N/A	Prefix Type: RBOC Switch Name: NEW BUFFALO Switch Type: DMS10 LATA: Grand Rapids MI (348) Tandem: GDRPMIBL10T 🔧 Explore Switch(CLLI: NWBFMIMNDS0))
269-605 is split into 1,000-number blocks - detail below
269-605-1XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	BENTON HBR	BNHRMIMNDS0	11/02/2004	Prefix Type: RBOC Switch Name: BENTON HARBOR Switch Type: EWSD LATA: Grand Rapids MI (348) Tandem: GDRPMIBL21T 🔧 Explore Switch(CLLI: BNHRMIMNDS0))
269-605-2XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	BENTON HBR	BNHRMIMNDS0	11/02/2004	Prefix Type: RBOC Switch Name: BENTON HARBOR Switch Type: EWSD LATA: Grand Rapids MI (348) Tandem: GDRPMIBL21T 🔧 Explore Switch(CLLI: BNHRMIMNDS0))
269-626	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	SCOTTS	SCTSMIMNRSA	00/00/0000	Prefix Type: RBOC Switch Name: SCOTTS Switch Type: N/A LATA: Grand Rapids MI (348) Tandem: GDRPMIBL10T 🔧 Explore Switch(CLLI: SCTSMIMNRSA))
269-626 is split into 1,000-number blocks - detail below
269-626-0XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	SCOTTS	SCTSMIMNRSA	N/A	Prefix Type: RBOC Switch Name: SCOTTS Switch Type: N/A LATA: Grand Rapids MI (348) Tandem: GDRPMIBL10T 🔧 Explore Switch(CLLI: SCTSMIMNRSA))
269-626-8XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	SCOTTS	SCTSMIMNRSA	N/A	Prefix Type: RBOC Switch Name: SCOTTS Switch Type: N/A LATA: Grand Rapids MI (348) Tandem: GDRPMIBL10T 🔧 Explore Switch(CLLI: SCTSMIMNRSA))
269-629	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	RICHLAND	RCLDMIMNRSA	00/00/0000	Prefix Type: RBOC Switch Name: RICHLAND Switch Type: N/A LATA: Grand Rapids MI (348) Tandem: GDRPMIBL10T 🔧 Explore Switch(CLLI: RCLDMIMNRSA))
269-629 is split into 1,000-number blocks - detail below
269-629-0XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	RICHLAND	RCLDMIMNRSA	N/A	Prefix Type: RBOC Switch Name: RICHLAND Switch Type: N/A LATA: Grand Rapids MI (348) Tandem: GDRPMIBL10T 🔧 Explore Switch(CLLI: RCLDMIMNRSA))
269-629-2XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	RICHLAND	RCLDMIMNRSA	N/A	Prefix Type: RBOC Switch Name: RICHLAND Switch Type: N/A LATA: Grand Rapids MI (348) Tandem: GDRPMIBL10T 🔧 Explore Switch(CLLI: RCLDMIMNRSA))
269-629-3XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	RICHLAND	RCLDMIMNRSA	N/A	Prefix Type: RBOC Switch Name: RICHLAND Switch Type: N/A LATA: Grand Rapids MI (348) Tandem: GDRPMIBL10T 🔧 Explore Switch(CLLI: RCLDMIMNRSA))
269-629-4XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	RICHLAND	RCLDMIMNRSA	N/A	Prefix Type: RBOC Switch Name: RICHLAND Switch Type: N/A LATA: Grand Rapids MI (348) Tandem: GDRPMIBL10T 🔧 Explore Switch(CLLI: RCLDMIMNRSA))
269-629-5XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	RICHLAND	RCLDMIMNRSA	N/A	Prefix Type: RBOC Switch Name: RICHLAND Switch Type: N/A LATA: Grand Rapids MI (348) Tandem: GDRPMIBL10T 🔧 Explore Switch(CLLI: RCLDMIMNRSA))
269-629-7XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	RICHLAND	RCLDMIMNRSA	N/A	Prefix Type: RBOC Switch Name: RICHLAND Switch Type: N/A LATA: Grand Rapids MI (348) Tandem: GDRPMIBL10T 🔧 Explore Switch(CLLI: RCLDMIMNRSA))
269-629-8XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	RICHLAND	RCLDMIMNRSA	N/A	Prefix Type: RBOC Switch Name: RICHLAND Switch Type: N/A LATA: Grand Rapids MI (348) Tandem: GDRPMIBL10T 🔧 Explore Switch(CLLI: RCLDMIMNRSA))
269-629-9XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	RICHLAND	RCLDMIMNRSA	N/A	Prefix Type: RBOC Switch Name: RICHLAND Switch Type: N/A LATA: Grand Rapids MI (348) Tandem: GDRPMIBL10T 🔧 Explore Switch(CLLI: RCLDMIMNRSA))
269-649	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	VICKSBURG	VCBGMIMNDS0	00/00/0000	Prefix Type: RBOC Switch Name: VICKSBURG Switch Type: DMS10 LATA: Grand Rapids MI (348) Tandem: GDRPMIBL10T 🔧 Explore Switch(CLLI: VCBGMIMNDS0))
269-649 is split into 1,000-number blocks - detail below
269-649-0XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	VICKSBURG	VCBGMIMNDS0	N/A	Prefix Type: RBOC Switch Name: VICKSBURG Switch Type: DMS10 LATA: Grand Rapids MI (348) Tandem: GDRPMIBL10T 🔧 Explore Switch(CLLI: VCBGMIMNDS0))
269-649-1XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	VICKSBURG	VCBGMIMNDS0	N/A	Prefix Type: RBOC Switch Name: VICKSBURG Switch Type: DMS10 LATA: Grand Rapids MI (348) Tandem: GDRPMIBL10T 🔧 Explore Switch(CLLI: VCBGMIMNDS0))
269-649-2XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	VICKSBURG	VCBGMIMNDS0	N/A	Prefix Type: RBOC Switch Name: VICKSBURG Switch Type: DMS10 LATA: Grand Rapids MI (348) Tandem: GDRPMIBL10T 🔧 Explore Switch(CLLI: VCBGMIMNDS0))
269-649-3XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	VICKSBURG	VCBGMIMNDS0	N/A	Prefix Type: RBOC Switch Name: VICKSBURG Switch Type: DMS10 LATA: Grand Rapids MI (348) Tandem: GDRPMIBL10T 🔧 Explore Switch(CLLI: VCBGMIMNDS0))
269-649-4XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	VICKSBURG	VCBGMIMNDS0	N/A	Prefix Type: RBOC Switch Name: VICKSBURG Switch Type: DMS10 LATA: Grand Rapids MI (348) Tandem: GDRPMIBL10T 🔧 Explore Switch(CLLI: VCBGMIMNDS0))
269-649-5XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	VICKSBURG	VCBGMIMNDS0	N/A	Prefix Type: RBOC Switch Name: VICKSBURG Switch Type: DMS10 LATA: Grand Rapids MI (348) Tandem: GDRPMIBL10T 🔧 Explore Switch(CLLI: VCBGMIMNDS0))
269-649-9XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	VICKSBURG	VCBGMIMNDS0	N/A	Prefix Type: RBOC Switch Name: VICKSBURG Switch Type: DMS10 LATA: Grand Rapids MI (348) Tandem: GDRPMIBL10T 🔧 Explore Switch(CLLI: VCBGMIMNDS0))
269-660	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	BATTLE CRK	BTCKMIBCDS0	00/00/0000	Prefix Type: RBOC Switch Name: BATTLE CREEK BC Switch Type: DMS100 LATA: Grand Rapids MI (348) Tandem: GDRPMIBL10T 🔧 Explore Switch(CLLI: BTCKMIBCDS0))
269-665	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	GALESBURG	GLBGMIMNRSA	00/00/0000	Prefix Type: RBOC Switch Name: GALESBURG Switch Type: N/A LATA: Grand Rapids MI (348) Tandem: GDRPMIBL10T 🔧 Explore Switch(CLLI: GLBGMIMNRSA))
269-665 is split into 1,000-number blocks - detail below
269-665-3XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	GALESBURG	GLBGMIMNRSA	N/A	Prefix Type: RBOC Switch Name: GALESBURG Switch Type: N/A LATA: Grand Rapids MI (348) Tandem: GDRPMIBL10T 🔧 Explore Switch(CLLI: GLBGMIMNRSA))
269-665-4XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	GALESBURG	GLBGMIMNRSA	N/A	Prefix Type: RBOC Switch Name: GALESBURG Switch Type: N/A LATA: Grand Rapids MI (348) Tandem: GDRPMIBL10T 🔧 Explore Switch(CLLI: GLBGMIMNRSA))
269-665-6XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	GALESBURG	GLBGMIMNRSA	N/A	Prefix Type: RBOC Switch Name: GALESBURG Switch Type: N/A LATA: Grand Rapids MI (348) Tandem: GDRPMIBL10T 🔧 Explore Switch(CLLI: GLBGMIMNRSA))
269-665-7XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	GALESBURG	GLBGMIMNRSA	N/A	Prefix Type: RBOC Switch Name: GALESBURG Switch Type: N/A LATA: Grand Rapids MI (348) Tandem: GDRPMIBL10T 🔧 Explore Switch(CLLI: GLBGMIMNRSA))
269-665-9XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	GALESBURG	GLBGMIMNRSA	N/A	Prefix Type: RBOC Switch Name: GALESBURG Switch Type: N/A LATA: Grand Rapids MI (348) Tandem: GDRPMIBL10T 🔧 Explore Switch(CLLI: GLBGMIMNRSA))
269-672	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	MARTIN	MARTMIMTDS0	00/00/0000	Prefix Type: RBOC Switch Name: MARTIN Switch Type: DMS10 LATA: Grand Rapids MI (348) Tandem: GDRPMIBL10T 🔧 Explore Switch(CLLI: MARTMIMTDS0))
269-672 is split into 1,000-number blocks - detail below
269-672-5XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	MARTIN	MARTMIMTDS0	N/A	Prefix Type: RBOC Switch Name: MARTIN Switch Type: DMS10 LATA: Grand Rapids MI (348) Tandem: GDRPMIBL10T 🔧 Explore Switch(CLLI: MARTMIMTDS0))
269-672-7XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	MARTIN	MARTMIMTDS0	N/A	Prefix Type: RBOC Switch Name: MARTIN Switch Type: DMS10 LATA: Grand Rapids MI (348) Tandem: GDRPMIBL10T 🔧 Explore Switch(CLLI: MARTMIMTDS0))
269-672-9XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	MARTIN	MARTMIMTDS0	N/A	Prefix Type: RBOC Switch Name: MARTIN Switch Type: DMS10 LATA: Grand Rapids MI (348) Tandem: GDRPMIBL10T 🔧 Explore Switch(CLLI: MARTMIMTDS0))
269-683	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	NILES	NILSMIMNDS0	00/00/0000	Prefix Type: RBOC Switch Name: NILES Switch Type: 5ESS LATA: Grand Rapids MI (348) Tandem: GDRPMIBL10T 🔧 Explore Switch(CLLI: NILSMIMNDS0))
269-684	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	NILES	NILSMIMNDS0	00/00/0000	Prefix Type: RBOC Switch Name: NILES Switch Type: 5ESS LATA: Grand Rapids MI (348) Tandem: GDRPMIBL10T 🔧 Explore Switch(CLLI: NILSMIMNDS0))
269-685	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	PLAINWELL	PLNWMIMNRSA	00/00/0000	Prefix Type: RBOC Switch Name: PLAINWELL Switch Type: N/A LATA: Grand Rapids MI (348) Tandem: GDRPMIBL10T 🔧 Explore Switch(CLLI: PLNWMIMNRSA))
269-685 is split into 1,000-number blocks - detail below
269-685-0XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	PLAINWELL	PLNWMIMNRSA	N/A	Prefix Type: RBOC Switch Name: PLAINWELL Switch Type: N/A LATA: Grand Rapids MI (348) Tandem: GDRPMIBL10T 🔧 Explore Switch(CLLI: PLNWMIMNRSA))
269-685-1XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	PLAINWELL	PLNWMIMNRSA	N/A	Prefix Type: RBOC Switch Name: PLAINWELL Switch Type: N/A LATA: Grand Rapids MI (348) Tandem: GDRPMIBL10T 🔧 Explore Switch(CLLI: PLNWMIMNRSA))
269-685-2XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	PLAINWELL	PLNWMIMNRSA	N/A	Prefix Type: RBOC Switch Name: PLAINWELL Switch Type: N/A LATA: Grand Rapids MI (348) Tandem: GDRPMIBL10T 🔧 Explore Switch(CLLI: PLNWMIMNRSA))
269-685-3XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	PLAINWELL	PLNWMIMNRSA	N/A	Prefix Type: RBOC Switch Name: PLAINWELL Switch Type: N/A LATA: Grand Rapids MI (348) Tandem: GDRPMIBL10T 🔧 Explore Switch(CLLI: PLNWMIMNRSA))
269-685-4XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	PLAINWELL	PLNWMIMNRSA	N/A	Prefix Type: RBOC Switch Name: PLAINWELL Switch Type: N/A LATA: Grand Rapids MI (348) Tandem: GDRPMIBL10T 🔧 Explore Switch(CLLI: PLNWMIMNRSA))
269-685-5XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	PLAINWELL	PLNWMIMNRSA	N/A	Prefix Type: RBOC Switch Name: PLAINWELL Switch Type: N/A LATA: Grand Rapids MI (348) Tandem: GDRPMIBL10T 🔧 Explore Switch(CLLI: PLNWMIMNRSA))
269-685-6XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	PLAINWELL	PLNWMIMNRSA	N/A	Prefix Type: RBOC Switch Name: PLAINWELL Switch Type: N/A LATA: Grand Rapids MI (348) Tandem: GDRPMIBL10T 🔧 Explore Switch(CLLI: PLNWMIMNRSA))
269-685-8XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	PLAINWELL	PLNWMIMNRSA	N/A	Prefix Type: RBOC Switch Name: PLAINWELL Switch Type: N/A LATA: Grand Rapids MI (348) Tandem: GDRPMIBL10T 🔧 Explore Switch(CLLI: PLNWMIMNRSA))
269-685-9XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	PLAINWELL	PLNWMIMNRSA	N/A	Prefix Type: RBOC Switch Name: PLAINWELL Switch Type: N/A LATA: Grand Rapids MI (348) Tandem: GDRPMIBL10T 🔧 Explore Switch(CLLI: PLNWMIMNRSA))
269-687	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	NILES	NILSMIMNDS0	00/00/0000	Prefix Type: RBOC Switch Name: NILES Switch Type: 5ESS LATA: Grand Rapids MI (348) Tandem: GDRPMIBL10T 🔧 Explore Switch(CLLI: NILSMIMNDS0))
269-692	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	OTSEGO	OTSGMIOSDS0	00/00/0000	Prefix Type: RBOC Switch Name: OTSEGO Switch Type: DMS10 LATA: Grand Rapids MI (348) Tandem: GDRPMIBL10T 🔧 Explore Switch(CLLI: OTSGMIOSDS0))
269-692 is split into 1,000-number blocks - detail below
269-692-2XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	OTSEGO	OTSGMIOSDS0	N/A	Prefix Type: RBOC Switch Name: OTSEGO Switch Type: DMS10 LATA: Grand Rapids MI (348) Tandem: GDRPMIBL10T 🔧 Explore Switch(CLLI: OTSGMIOSDS0))
269-692-3XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	OTSEGO	OTSGMIOSDS0	N/A	Prefix Type: RBOC Switch Name: OTSEGO Switch Type: DMS10 LATA: Grand Rapids MI (348) Tandem: GDRPMIBL10T 🔧 Explore Switch(CLLI: OTSGMIOSDS0))
269-692-6XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	OTSEGO	OTSGMIOSDS0	N/A	Prefix Type: RBOC Switch Name: OTSEGO Switch Type: DMS10 LATA: Grand Rapids MI (348) Tandem: GDRPMIBL10T 🔧 Explore Switch(CLLI: OTSGMIOSDS0))
269-694	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	OTSEGO	OTSGMIOSDS0	00/00/0000	Prefix Type: RBOC Switch Name: OTSEGO Switch Type: DMS10 LATA: Grand Rapids MI (348) Tandem: GDRPMIBL10T 🔧 Explore Switch(CLLI: OTSGMIOSDS0))
269-694 is split into 1,000-number blocks - detail below
269-694-2XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	OTSEGO	OTSGMIOSDS0	N/A	Prefix Type: RBOC Switch Name: OTSEGO Switch Type: DMS10 LATA: Grand Rapids MI (348) Tandem: GDRPMIBL10T 🔧 Explore Switch(CLLI: OTSGMIOSDS0))
269-694-4XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	OTSEGO	OTSGMIOSDS0	N/A	Prefix Type: RBOC Switch Name: OTSEGO Switch Type: DMS10 LATA: Grand Rapids MI (348) Tandem: GDRPMIBL10T 🔧 Explore Switch(CLLI: OTSGMIOSDS0))
269-694-5XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	OTSEGO	OTSGMIOSDS0	N/A	Prefix Type: RBOC Switch Name: OTSEGO Switch Type: DMS10 LATA: Grand Rapids MI (348) Tandem: GDRPMIBL10T 🔧 Explore Switch(CLLI: OTSGMIOSDS0))
269-694-6XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	OTSEGO	OTSGMIOSDS0	N/A	Prefix Type: RBOC Switch Name: OTSEGO Switch Type: DMS10 LATA: Grand Rapids MI (348) Tandem: GDRPMIBL10T 🔧 Explore Switch(CLLI: OTSGMIOSDS0))
269-694-9XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	OTSEGO	OTSGMIOSDS0	N/A	Prefix Type: RBOC Switch Name: OTSEGO Switch Type: DMS10 LATA: Grand Rapids MI (348) Tandem: GDRPMIBL10T 🔧 Explore Switch(CLLI: OTSGMIOSDS0))
269-695	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	BUCHANAN	BCHNMIMNRS0	00/00/0000	Prefix Type: RBOC Switch Name: BUCHANAN Switch Type: N/A LATA: Grand Rapids MI (348) Tandem: GDRPMIBL10T 🔧 Explore Switch(CLLI: BCHNMIMNRS0))
269-697	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	BUCHANAN	BCHNMIMNRS0	00/00/0000	Prefix Type: RBOC Switch Name: BUCHANAN Switch Type: N/A LATA: Grand Rapids MI (348) Tandem: GDRPMIBL10T 🔧 Explore Switch(CLLI: BCHNMIMNRS0))
269-697 is split into 1,000-number blocks - detail below
269-697-0XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	BUCHANAN	BCHNMIMNRS0	N/A	Prefix Type: RBOC Switch Name: BUCHANAN Switch Type: N/A LATA: Grand Rapids MI (348) Tandem: GDRPMIBL10T 🔧 Explore Switch(CLLI: BCHNMIMNRS0))
269-697-2XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	BUCHANAN	BCHNMIMNRS0	N/A	Prefix Type: RBOC Switch Name: BUCHANAN Switch Type: N/A LATA: Grand Rapids MI (348) Tandem: GDRPMIBL10T 🔧 Explore Switch(CLLI: BCHNMIMNRS0))
269-697-4XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	BUCHANAN	BCHNMIMNRS0	N/A	Prefix Type: RBOC Switch Name: BUCHANAN Switch Type: N/A LATA: Grand Rapids MI (348) Tandem: GDRPMIBL10T 🔧 Explore Switch(CLLI: BCHNMIMNRS0))
269-697-5XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	BUCHANAN	BCHNMIMNRS0	N/A	Prefix Type: RBOC Switch Name: BUCHANAN Switch Type: N/A LATA: Grand Rapids MI (348) Tandem: GDRPMIBL10T 🔧 Explore Switch(CLLI: BCHNMIMNRS0))
269-697-6XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	BUCHANAN	BCHNMIMNRS0	N/A	Prefix Type: RBOC Switch Name: BUCHANAN Switch Type: N/A LATA: Grand Rapids MI (348) Tandem: GDRPMIBL10T 🔧 Explore Switch(CLLI: BCHNMIMNRS0))
269-697-8XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	BUCHANAN	BCHNMIMNRS0	N/A	Prefix Type: RBOC Switch Name: BUCHANAN Switch Type: N/A LATA: Grand Rapids MI (348) Tandem: GDRPMIBL10T 🔧 Explore Switch(CLLI: BCHNMIMNRS0))
269-729	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	ATHENS	ATHNMIATRSA	00/00/0000	Prefix Type: RBOC Switch Name: ATHENS Switch Type: N/A LATA: Grand Rapids MI (348) Tandem: GDRPMIBL10T 🔧 Explore Switch(CLLI: ATHNMIATRSA))
269-729 is split into 1,000-number blocks - detail below
269-729-4XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	ATHENS	ATHNMIATRSA	N/A	Prefix Type: RBOC Switch Name: ATHENS Switch Type: N/A LATA: Grand Rapids MI (348) Tandem: GDRPMIBL10T 🔧 Explore Switch(CLLI: ATHNMIATRSA))
269-729-5XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	ATHENS	ATHNMIATRSA	N/A	Prefix Type: RBOC Switch Name: ATHENS Switch Type: N/A LATA: Grand Rapids MI (348) Tandem: GDRPMIBL10T 🔧 Explore Switch(CLLI: ATHNMIATRSA))
269-729-9XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	ATHENS	ATHNMIATRSA	N/A	Prefix Type: RBOC Switch Name: ATHENS Switch Type: N/A LATA: Grand Rapids MI (348) Tandem: GDRPMIBL10T 🔧 Explore Switch(CLLI: ATHNMIATRSA))
269-749	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	OLIVET	OLVTMIMNRSA	00/00/0000	Prefix Type: RBOC Switch Name: OLIVET Switch Type: N/A LATA: Grand Rapids MI (348) Tandem: GDRPMIBL10T 🔧 Explore Switch(CLLI: OLVTMIMNRSA))
269-749 is split into 1,000-number blocks - detail below
269-749-2XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	OLIVET	OLVTMIMNRSA	N/A	Prefix Type: RBOC Switch Name: OLIVET Switch Type: N/A LATA: Grand Rapids MI (348) Tandem: GDRPMIBL10T 🔧 Explore Switch(CLLI: OLVTMIMNRSA))
269-749-3XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	OLIVET	OLVTMIMNRSA	N/A	Prefix Type: RBOC Switch Name: OLIVET Switch Type: N/A LATA: Grand Rapids MI (348) Tandem: GDRPMIBL10T 🔧 Explore Switch(CLLI: OLVTMIMNRSA))
269-749-4XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	OLIVET	OLVTMIMNRSA	N/A	Prefix Type: RBOC Switch Name: OLIVET Switch Type: N/A LATA: Grand Rapids MI (348) Tandem: GDRPMIBL10T 🔧 Explore Switch(CLLI: OLVTMIMNRSA))
269-749-6XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	OLIVET	OLVTMIMNRSA	N/A	Prefix Type: RBOC Switch Name: OLIVET Switch Type: N/A LATA: Grand Rapids MI (348) Tandem: GDRPMIBL10T 🔧 Explore Switch(CLLI: OLVTMIMNRSA))
269-749-7XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	OLIVET	OLVTMIMNRSA	N/A	Prefix Type: RBOC Switch Name: OLIVET Switch Type: N/A LATA: Grand Rapids MI (348) Tandem: GDRPMIBL10T 🔧 Explore Switch(CLLI: OLVTMIMNRSA))
269-749-9XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	OLIVET	OLVTMIMNRSA	N/A	Prefix Type: RBOC Switch Name: OLIVET Switch Type: N/A LATA: Grand Rapids MI (348) Tandem: GDRPMIBL10T 🔧 Explore Switch(CLLI: OLVTMIMNRSA))
269-753 is split into 1,000-number blocks - detail below
269-753-0XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	BATTLE CRK	BTCKMIBCDS0	N/A	Prefix Type: RBOC Switch Name: BATTLE CREEK BC Switch Type: DMS100 LATA: Grand Rapids MI (348) Tandem: GDRPMIBL10T 🔧 Explore Switch(CLLI: BTCKMIBCDS0))
269-756	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	THREE OAKS	THOKMIMNRSA	00/00/0000	Prefix Type: RBOC Switch Name: THREE OAKS Switch Type: N/A LATA: Grand Rapids MI (348) Tandem: GDRPMIBL10T 🔧 Explore Switch(CLLI: THOKMIMNRSA))
269-756 is split into 1,000-number blocks - detail below
269-756-2XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	THREE OAKS	THOKMIMNRSA	N/A	Prefix Type: RBOC Switch Name: THREE OAKS Switch Type: N/A LATA: Grand Rapids MI (348) Tandem: GDRPMIBL10T 🔧 Explore Switch(CLLI: THOKMIMNRSA))
269-756-3XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	THREE OAKS	THOKMIMNRSA	N/A	Prefix Type: RBOC Switch Name: THREE OAKS Switch Type: N/A LATA: Grand Rapids MI (348) Tandem: GDRPMIBL10T 🔧 Explore Switch(CLLI: THOKMIMNRSA))
269-756-7XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	THREE OAKS	THOKMIMNRSA	N/A	Prefix Type: RBOC Switch Name: THREE OAKS Switch Type: N/A LATA: Grand Rapids MI (348) Tandem: GDRPMIBL10T 🔧 Explore Switch(CLLI: THOKMIMNRSA))
269-756-9XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	THREE OAKS	THOKMIMNRSA	N/A	Prefix Type: RBOC Switch Name: THREE OAKS Switch Type: N/A LATA: Grand Rapids MI (348) Tandem: GDRPMIBL10T 🔧 Explore Switch(CLLI: THOKMIMNRSA))
269-759 is split into 1,000-number blocks - detail below
269-759-6XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	BENTON HBR	BNHRMIMNDS0	10/12/2006	Prefix Type: RBOC Switch Name: BENTON HARBOR Switch Type: EWSD LATA: Grand Rapids MI (348) Tandem: GDRPMIBL21T 🔧 Explore Switch(CLLI: BNHRMIMNDS0))
269-759-7XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	BENTON HBR	BNHRMIMNDS0	10/12/2006	Prefix Type: RBOC Switch Name: BENTON HARBOR Switch Type: EWSD LATA: Grand Rapids MI (348) Tandem: GDRPMIBL21T 🔧 Explore Switch(CLLI: BNHRMIMNDS0))
269-763	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	BELLEVUE	BLLVMIMNRSA	00/00/0000	Prefix Type: RBOC Switch Name: BELLEVUE Switch Type: N/A LATA: Grand Rapids MI (348) Tandem: GDRPMIBL10T 🔧 Explore Switch(CLLI: BLLVMIMNRSA))
269-763 is split into 1,000-number blocks - detail below
269-763-0XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	BELLEVUE	BLLVMIMNRSA	N/A	Prefix Type: RBOC Switch Name: BELLEVUE Switch Type: N/A LATA: Grand Rapids MI (348) Tandem: GDRPMIBL10T 🔧 Explore Switch(CLLI: BLLVMIMNRSA))
269-763-2XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	BELLEVUE	BLLVMIMNRSA	N/A	Prefix Type: RBOC Switch Name: BELLEVUE Switch Type: N/A LATA: Grand Rapids MI (348) Tandem: GDRPMIBL10T 🔧 Explore Switch(CLLI: BLLVMIMNRSA))
269-763-3XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	BELLEVUE	BLLVMIMNRSA	N/A	Prefix Type: RBOC Switch Name: BELLEVUE Switch Type: N/A LATA: Grand Rapids MI (348) Tandem: GDRPMIBL10T 🔧 Explore Switch(CLLI: BLLVMIMNRSA))
269-763-9XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	BELLEVUE	BLLVMIMNRSA	N/A	Prefix Type: RBOC Switch Name: BELLEVUE Switch Type: N/A LATA: Grand Rapids MI (348) Tandem: GDRPMIBL10T 🔧 Explore Switch(CLLI: BLLVMIMNRSA))
269-778	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	FULTON	FLTNMIMNRSA	00/00/0000	Prefix Type: RBOC Switch Name: FULTON Switch Type: N/A LATA: Grand Rapids MI (348) Tandem: GDRPMIBL10T 🔧 Explore Switch(CLLI: FLTNMIMNRSA))
269-778 is split into 1,000-number blocks - detail below
269-778-3XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	FULTON	FLTNMIMNRSA	N/A	Prefix Type: RBOC Switch Name: FULTON Switch Type: N/A LATA: Grand Rapids MI (348) Tandem: GDRPMIBL10T 🔧 Explore Switch(CLLI: FLTNMIMNRSA))
269-778-9XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	FULTON	FLTNMIMNRSA	N/A	Prefix Type: RBOC Switch Name: FULTON Switch Type: N/A LATA: Grand Rapids MI (348) Tandem: GDRPMIBL10T 🔧 Explore Switch(CLLI: FLTNMIMNRSA))
269-781	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	MARSHALL	MRSHMIMNDS9	00/00/0000	Prefix Type: RBOC Switch Name: MARSHALL Switch Type: EWSD LATA: Grand Rapids MI (348) Tandem: GDRPMIBL10T 🔧 Explore Switch(CLLI: MRSHMIMNDS9))
269-789	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	MARSHALL	MRSHMIMNDS9	00/00/0000	Prefix Type: RBOC Switch Name: MARSHALL Switch Type: EWSD LATA: Grand Rapids MI (348) Tandem: GDRPMIBL10T 🔧 Explore Switch(CLLI: MRSHMIMNDS9))
269-789 is split into 1,000-number blocks - detail below
269-789-0XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	MARSHALL	MRSHMIMNDS9	N/A	Prefix Type: RBOC Switch Name: MARSHALL Switch Type: EWSD LATA: Grand Rapids MI (348) Tandem: GDRPMIBL10T 🔧 Explore Switch(CLLI: MRSHMIMNDS9))
269-789-1XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	MARSHALL	MRSHMIMNDS9	N/A	Prefix Type: RBOC Switch Name: MARSHALL Switch Type: EWSD LATA: Grand Rapids MI (348) Tandem: GDRPMIBL10T 🔧 Explore Switch(CLLI: MRSHMIMNDS9))
269-789-2XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	MARSHALL	MRSHMIMNDS9	N/A	Prefix Type: RBOC Switch Name: MARSHALL Switch Type: EWSD LATA: Grand Rapids MI (348) Tandem: GDRPMIBL10T 🔧 Explore Switch(CLLI: MRSHMIMNDS9))
269-789-3XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	MARSHALL	MRSHMIMNDS9	N/A	Prefix Type: RBOC Switch Name: MARSHALL Switch Type: EWSD LATA: Grand Rapids MI (348) Tandem: GDRPMIBL10T 🔧 Explore Switch(CLLI: MRSHMIMNDS9))
269-789-4XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	MARSHALL	MRSHMIMNDS9	N/A	Prefix Type: RBOC Switch Name: MARSHALL Switch Type: EWSD LATA: Grand Rapids MI (348) Tandem: GDRPMIBL10T 🔧 Explore Switch(CLLI: MRSHMIMNDS9))
269-789-7XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	MARSHALL	MRSHMIMNDS9	N/A	Prefix Type: RBOC Switch Name: MARSHALL Switch Type: EWSD LATA: Grand Rapids MI (348) Tandem: GDRPMIBL10T 🔧 Explore Switch(CLLI: MRSHMIMNDS9))
269-789-8XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	MARSHALL	MRSHMIMNDS9	N/A	Prefix Type: RBOC Switch Name: MARSHALL Switch Type: EWSD LATA: Grand Rapids MI (348) Tandem: GDRPMIBL10T 🔧 Explore Switch(CLLI: MRSHMIMNDS9))
269-789-9XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	MARSHALL	MRSHMIMNDS9	N/A	Prefix Type: RBOC Switch Name: MARSHALL Switch Type: EWSD LATA: Grand Rapids MI (348) Tandem: GDRPMIBL10T 🔧 Explore Switch(CLLI: MRSHMIMNDS9))
269-792	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	WAYLAND	WYLDMIMNRSA	00/00/0000	Prefix Type: RBOC Switch Name: WAYLAND Switch Type: N/A LATA: Grand Rapids MI (348) Tandem: GDRPMIBL10T 🔧 Explore Switch(CLLI: WYLDMIMNRSA))
269-792 is split into 1,000-number blocks - detail below
269-792-0XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	WAYLAND	WYLDMIMNRSA	N/A	Prefix Type: RBOC Switch Name: WAYLAND Switch Type: N/A LATA: Grand Rapids MI (348) Tandem: GDRPMIBL10T 🔧 Explore Switch(CLLI: WYLDMIMNRSA))
269-792-1XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	WAYLAND	WYLDMIMNRSA	N/A	Prefix Type: RBOC Switch Name: WAYLAND Switch Type: N/A LATA: Grand Rapids MI (348) Tandem: GDRPMIBL10T 🔧 Explore Switch(CLLI: WYLDMIMNRSA))
269-792-2XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	WAYLAND	WYLDMIMNRSA	N/A	Prefix Type: RBOC Switch Name: WAYLAND Switch Type: N/A LATA: Grand Rapids MI (348) Tandem: GDRPMIBL10T 🔧 Explore Switch(CLLI: WYLDMIMNRSA))
269-792-3XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	WAYLAND	WYLDMIMNRSA	N/A	Prefix Type: RBOC Switch Name: WAYLAND Switch Type: N/A LATA: Grand Rapids MI (348) Tandem: GDRPMIBL10T 🔧 Explore Switch(CLLI: WYLDMIMNRSA))
269-792-4XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	WAYLAND	WYLDMIMNRSA	N/A	Prefix Type: RBOC Switch Name: WAYLAND Switch Type: N/A LATA: Grand Rapids MI (348) Tandem: GDRPMIBL10T 🔧 Explore Switch(CLLI: WYLDMIMNRSA))
269-792-6XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	WAYLAND	WYLDMIMNRSA	N/A	Prefix Type: RBOC Switch Name: WAYLAND Switch Type: N/A LATA: Grand Rapids MI (348) Tandem: GDRPMIBL10T 🔧 Explore Switch(CLLI: WYLDMIMNRSA))
269-792-7XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	WAYLAND	WYLDMIMNRSA	N/A	Prefix Type: RBOC Switch Name: WAYLAND Switch Type: N/A LATA: Grand Rapids MI (348) Tandem: GDRPMIBL10T 🔧 Explore Switch(CLLI: WYLDMIMNRSA))
269-792-8XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	WAYLAND	WYLDMIMNRSA	N/A	Prefix Type: RBOC Switch Name: WAYLAND Switch Type: N/A LATA: Grand Rapids MI (348) Tandem: GDRPMIBL10T 🔧 Explore Switch(CLLI: WYLDMIMNRSA))
269-792-9XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	WAYLAND	WYLDMIMNRSA	N/A	Prefix Type: RBOC Switch Name: WAYLAND Switch Type: N/A LATA: Grand Rapids MI (348) Tandem: GDRPMIBL10T 🔧 Explore Switch(CLLI: WYLDMIMNRSA))
269-793	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	HOPKINS	HPKNMIAJRS0	00/00/0000	Prefix Type: RBOC Switch Name: HOPKINS Switch Type: N/A LATA: Grand Rapids MI (348) Tandem: N/A 🔧 Explore Switch(CLLI: HPKNMIAJRS0))
269-793 is split into 1,000-number blocks - detail below
269-793-0XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	HOPKINS	HPKNMIAJRS0	N/A	Prefix Type: RBOC Switch Name: HOPKINS Switch Type: N/A LATA: Grand Rapids MI (348) Tandem: N/A 🔧 Explore Switch(CLLI: HPKNMIAJRS0))
269-793-3XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	HOPKINS	HPKNMIAJRS0	N/A	Prefix Type: RBOC Switch Name: HOPKINS Switch Type: N/A LATA: Grand Rapids MI (348) Tandem: N/A 🔧 Explore Switch(CLLI: HPKNMIAJRS0))
269-793-7XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	HOPKINS	HPKNMIAJRS0	N/A	Prefix Type: RBOC Switch Name: HOPKINS Switch Type: N/A LATA: Grand Rapids MI (348) Tandem: N/A 🔧 Explore Switch(CLLI: HPKNMIAJRS0))
269-795	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	MIDDLEVL	MDVLMIMNRSA	00/00/0000	Prefix Type: RBOC Switch Name: MIDDLEVILLE Switch Type: N/A LATA: Grand Rapids MI (348) Tandem: GDRPMIBL21T 🔧 Explore Switch(CLLI: MDVLMIMNRSA))
269-795 is split into 1,000-number blocks - detail below
269-795-0XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	MIDDLEVL	MDVLMIMNRSA	N/A	Prefix Type: RBOC Switch Name: MIDDLEVILLE Switch Type: N/A LATA: Grand Rapids MI (348) Tandem: GDRPMIBL21T 🔧 Explore Switch(CLLI: MDVLMIMNRSA))
269-795-1XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	MIDDLEVL	MDVLMIMNRSA	N/A	Prefix Type: RBOC Switch Name: MIDDLEVILLE Switch Type: N/A LATA: Grand Rapids MI (348) Tandem: GDRPMIBL21T 🔧 Explore Switch(CLLI: MDVLMIMNRSA))
269-795-2XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	MIDDLEVL	MDVLMIMNRSA	N/A	Prefix Type: RBOC Switch Name: MIDDLEVILLE Switch Type: N/A LATA: Grand Rapids MI (348) Tandem: GDRPMIBL21T 🔧 Explore Switch(CLLI: MDVLMIMNRSA))
269-795-3XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	MIDDLEVL	MDVLMIMNRSA	N/A	Prefix Type: RBOC Switch Name: MIDDLEVILLE Switch Type: N/A LATA: Grand Rapids MI (348) Tandem: GDRPMIBL21T 🔧 Explore Switch(CLLI: MDVLMIMNRSA))
269-795-4XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	MIDDLEVL	MDVLMIMNRSA	N/A	Prefix Type: RBOC Switch Name: MIDDLEVILLE Switch Type: N/A LATA: Grand Rapids MI (348) Tandem: GDRPMIBL21T 🔧 Explore Switch(CLLI: MDVLMIMNRSA))
269-795-5XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	MIDDLEVL	MDVLMIMNRSA	N/A	Prefix Type: RBOC Switch Name: MIDDLEVILLE Switch Type: N/A LATA: Grand Rapids MI (348) Tandem: GDRPMIBL21T 🔧 Explore Switch(CLLI: MDVLMIMNRSA))
269-795-7XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	MIDDLEVL	MDVLMIMNRSA	N/A	Prefix Type: RBOC Switch Name: MIDDLEVILLE Switch Type: N/A LATA: Grand Rapids MI (348) Tandem: GDRPMIBL21T 🔧 Explore Switch(CLLI: MDVLMIMNRSA))
269-795-8XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	MIDDLEVL	MDVLMIMNRSA	N/A	Prefix Type: RBOC Switch Name: MIDDLEVILLE Switch Type: N/A LATA: Grand Rapids MI (348) Tandem: GDRPMIBL21T 🔧 Explore Switch(CLLI: MDVLMIMNRSA))
269-795-9XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	MIDDLEVL	MDVLMIMNRSA	N/A	Prefix Type: RBOC Switch Name: MIDDLEVILLE Switch Type: N/A LATA: Grand Rapids MI (348) Tandem: GDRPMIBL21T 🔧 Explore Switch(CLLI: MDVLMIMNRSA))
269-823	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	KALAMAZOO	KLMZMIFADS0	05/01/2001	Prefix Type: RBOC Switch Name: KALAMAZOO DS0 Switch Type: DMS100 LATA: Grand Rapids MI (348) Tandem: GDRPMIBL10T 🔧 Explore Switch(CLLI: KLMZMIFADS0))
269-823 is split into 1,000-number blocks - detail below
269-823-0XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	KALAMAZOO	KLMZMIFADS0	N/A	Prefix Type: RBOC Switch Name: KALAMAZOO DS0 Switch Type: DMS100 LATA: Grand Rapids MI (348) Tandem: GDRPMIBL10T 🔧 Explore Switch(CLLI: KLMZMIFADS0))
269-833	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	KALAMAZOO	KLMZMIFADS0	00/00/0000	Prefix Type: RBOC Switch Name: KALAMAZOO DS0 Switch Type: DMS100 LATA: Grand Rapids MI (348) Tandem: GDRPMIBL10T 🔧 Explore Switch(CLLI: KLMZMIFADS0))
269-841 is split into 1,000-number blocks - detail below
269-841-1XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	BATTLE CRK	BTCKMIBCDS0	12/22/2003	Prefix Type: RBOC Switch Name: BATTLE CREEK BC Switch Type: DMS100 LATA: Grand Rapids MI (348) Tandem: GDRPMIBL10T 🔧 Explore Switch(CLLI: BTCKMIBCDS0))
269-841-8XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	BATTLE CRK	BTCKMIBCDS0	12/22/2003	Prefix Type: RBOC Switch Name: BATTLE CREEK BC Switch Type: DMS100 LATA: Grand Rapids MI (348) Tandem: GDRPMIBL10T 🔧 Explore Switch(CLLI: BTCKMIBCDS0))
269-849	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	BENTON HBR	RVSDMIRVRSA	00/00/0000	Prefix Type: RBOC Switch Name: RIVERSIDE Switch Type: N/A LATA: Grand Rapids MI (348) Tandem: GDRPMIBL10T 🔧 Explore Switch(CLLI: RVSDMIRVRSA))
269-849 is split into 1,000-number blocks - detail below
269-849-0XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	BENTON HBR	RVSDMIRVRSA	N/A	Prefix Type: RBOC Switch Name: RIVERSIDE Switch Type: N/A LATA: Grand Rapids MI (348) Tandem: GDRPMIBL10T 🔧 Explore Switch(CLLI: RVSDMIRVRSA))
269-849-1XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	BENTON HBR	RVSDMIRVRSA	N/A	Prefix Type: RBOC Switch Name: RIVERSIDE Switch Type: N/A LATA: Grand Rapids MI (348) Tandem: GDRPMIBL10T 🔧 Explore Switch(CLLI: RVSDMIRVRSA))
269-849-2XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	BENTON HBR	RVSDMIRVRSA	N/A	Prefix Type: RBOC Switch Name: RIVERSIDE Switch Type: N/A LATA: Grand Rapids MI (348) Tandem: GDRPMIBL10T 🔧 Explore Switch(CLLI: RVSDMIRVRSA))
269-849-3XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	BENTON HBR	RVSDMIRVRSA	N/A	Prefix Type: RBOC Switch Name: RIVERSIDE Switch Type: N/A LATA: Grand Rapids MI (348) Tandem: GDRPMIBL10T 🔧 Explore Switch(CLLI: RVSDMIRVRSA))
269-849-4XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	BENTON HBR	RVSDMIRVRSA	N/A	Prefix Type: RBOC Switch Name: RIVERSIDE Switch Type: N/A LATA: Grand Rapids MI (348) Tandem: GDRPMIBL10T 🔧 Explore Switch(CLLI: RVSDMIRVRSA))
269-870	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	KALAMAZOO	KLMZMIFADS0	00/00/0000	Prefix Type: RBOC Switch Name: KALAMAZOO DS0 Switch Type: DMS100 LATA: Grand Rapids MI (348) Tandem: GDRPMIBL10T 🔧 Explore Switch(CLLI: KLMZMIFADS0))
269-870 is split into 1,000-number blocks - detail below
269-870-9XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	KALAMAZOO	KLMZMIFADS0	N/A	Prefix Type: RBOC Switch Name: KALAMAZOO DS0 Switch Type: DMS100 LATA: Grand Rapids MI (348) Tandem: GDRPMIBL10T 🔧 Explore Switch(CLLI: KLMZMIFADS0))
269-883	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	BATTLE CRK	BTCKMIBCDS0	07/05/2013	Prefix Type: RBOC Switch Name: BATTLE CREEK BC Switch Type: DMS100 LATA: Grand Rapids MI (348) Tandem: GDRPMIBL10T 🔧 Explore Switch(CLLI: BTCKMIBCDS0))
269-883 is split into 1,000-number blocks - detail below
269-883-5XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	BATTLE CRK	BTCKMIBCDS0	07/08/2013	Prefix Type: RBOC Switch Name: BATTLE CREEK BC Switch Type: DMS100 LATA: Grand Rapids MI (348) Tandem: GDRPMIBL10T 🔧 Explore Switch(CLLI: BTCKMIBCDS0))
269-923	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	BENTON HBR	BNHRMIMNDS0	00/00/0000	Prefix Type: RBOC Switch Name: BENTON HARBOR Switch Type: EWSD LATA: Grand Rapids MI (348) Tandem: GDRPMIBL21T 🔧 Explore Switch(CLLI: BNHRMIMNDS0))
269-923 is split into 1,000-number blocks - detail below
269-923-0XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	BENTON HBR	BNHRMIMNDS0	N/A	Prefix Type: RBOC Switch Name: BENTON HARBOR Switch Type: EWSD LATA: Grand Rapids MI (348) Tandem: GDRPMIBL21T 🔧 Explore Switch(CLLI: BNHRMIMNDS0))
269-923-1XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	BENTON HBR	BNHRMIMNDS0	N/A	Prefix Type: RBOC Switch Name: BENTON HARBOR Switch Type: EWSD LATA: Grand Rapids MI (348) Tandem: GDRPMIBL21T 🔧 Explore Switch(CLLI: BNHRMIMNDS0))
269-923-2XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	BENTON HBR	BNHRMIMNDS0	N/A	Prefix Type: RBOC Switch Name: BENTON HARBOR Switch Type: EWSD LATA: Grand Rapids MI (348) Tandem: GDRPMIBL21T 🔧 Explore Switch(CLLI: BNHRMIMNDS0))
269-923-3XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	BENTON HBR	BNHRMIMNDS0	N/A	Prefix Type: RBOC Switch Name: BENTON HARBOR Switch Type: EWSD LATA: Grand Rapids MI (348) Tandem: GDRPMIBL21T 🔧 Explore Switch(CLLI: BNHRMIMNDS0))
269-923-4XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	BENTON HBR	BNHRMIMNDS0	N/A	Prefix Type: RBOC Switch Name: BENTON HARBOR Switch Type: EWSD LATA: Grand Rapids MI (348) Tandem: GDRPMIBL21T 🔧 Explore Switch(CLLI: BNHRMIMNDS0))
269-923-5XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	BENTON HBR	BNHRMIMNDS0	N/A	Prefix Type: RBOC Switch Name: BENTON HARBOR Switch Type: EWSD LATA: Grand Rapids MI (348) Tandem: GDRPMIBL21T 🔧 Explore Switch(CLLI: BNHRMIMNDS0))
269-923-6XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	BENTON HBR	BNHRMIMNDS0	N/A	Prefix Type: RBOC Switch Name: BENTON HARBOR Switch Type: EWSD LATA: Grand Rapids MI (348) Tandem: GDRPMIBL21T 🔧 Explore Switch(CLLI: BNHRMIMNDS0))
269-923-7XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	BENTON HBR	BNHRMIMNDS0	N/A	Prefix Type: RBOC Switch Name: BENTON HARBOR Switch Type: EWSD LATA: Grand Rapids MI (348) Tandem: GDRPMIBL21T 🔧 Explore Switch(CLLI: BNHRMIMNDS0))
269-923-8XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	BENTON HBR	BNHRMIMNDS0	04/10/2006	Prefix Type: RBOC Switch Name: BENTON HARBOR Switch Type: EWSD LATA: Grand Rapids MI (348) Tandem: GDRPMIBL21T 🔧 Explore Switch(CLLI: BNHRMIMNDS0))
269-925	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	BENTON HBR	BNHRMIMNDS0	00/00/0000	Prefix Type: RBOC Switch Name: BENTON HARBOR Switch Type: EWSD LATA: Grand Rapids MI (348) Tandem: GDRPMIBL21T 🔧 Explore Switch(CLLI: BNHRMIMNDS0))
269-926	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	BENTON HBR	BNHRMIMNDS0	00/00/0000	Prefix Type: RBOC Switch Name: BENTON HARBOR Switch Type: EWSD LATA: Grand Rapids MI (348) Tandem: GDRPMIBL21T 🔧 Explore Switch(CLLI: BNHRMIMNDS0))
269-927	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	BENTON HBR	BNHRMIMNDS0	00/00/0000	Prefix Type: RBOC Switch Name: BENTON HARBOR Switch Type: EWSD LATA: Grand Rapids MI (348) Tandem: GDRPMIBL21T 🔧 Explore Switch(CLLI: BNHRMIMNDS0))
269-934	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	BENTON HBR	BNHRMIMNDS0	00/00/0000	Prefix Type: RBOC Switch Name: BENTON HARBOR Switch Type: EWSD LATA: Grand Rapids MI (348) Tandem: GDRPMIBL21T 🔧 Explore Switch(CLLI: BNHRMIMNDS0))
269-934 is split into 1,000-number blocks - detail below
269-934-0XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	BENTON HBR	BNHRMIMNDS0	N/A	Prefix Type: RBOC Switch Name: BENTON HARBOR Switch Type: EWSD LATA: Grand Rapids MI (348) Tandem: GDRPMIBL21T 🔧 Explore Switch(CLLI: BNHRMIMNDS0))
269-934-1XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	BENTON HBR	BNHRMIMNDS0	N/A	Prefix Type: RBOC Switch Name: BENTON HARBOR Switch Type: EWSD LATA: Grand Rapids MI (348) Tandem: GDRPMIBL21T 🔧 Explore Switch(CLLI: BNHRMIMNDS0))
269-934-2XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	BENTON HBR	BNHRMIMNDS0	N/A	Prefix Type: RBOC Switch Name: BENTON HARBOR Switch Type: EWSD LATA: Grand Rapids MI (348) Tandem: GDRPMIBL21T 🔧 Explore Switch(CLLI: BNHRMIMNDS0))
269-934-3XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	BENTON HBR	BNHRMIMNDS0	N/A	Prefix Type: RBOC Switch Name: BENTON HARBOR Switch Type: EWSD LATA: Grand Rapids MI (348) Tandem: GDRPMIBL21T 🔧 Explore Switch(CLLI: BNHRMIMNDS0))
269-934-4XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	BENTON HBR	BNHRMIMNDS0	N/A	Prefix Type: RBOC Switch Name: BENTON HARBOR Switch Type: EWSD LATA: Grand Rapids MI (348) Tandem: GDRPMIBL21T 🔧 Explore Switch(CLLI: BNHRMIMNDS0))
269-934-6XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	BENTON HBR	BNHRMIMNDS0	N/A	Prefix Type: RBOC Switch Name: BENTON HARBOR Switch Type: EWSD LATA: Grand Rapids MI (348) Tandem: GDRPMIBL21T 🔧 Explore Switch(CLLI: BNHRMIMNDS0))
269-934-7XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	BENTON HBR	BNHRMIMNDS0	N/A	Prefix Type: RBOC Switch Name: BENTON HARBOR Switch Type: EWSD LATA: Grand Rapids MI (348) Tandem: GDRPMIBL21T 🔧 Explore Switch(CLLI: BNHRMIMNDS0))
269-934-8XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	BENTON HBR	BNHRMIMNDS0	N/A	Prefix Type: RBOC Switch Name: BENTON HARBOR Switch Type: EWSD LATA: Grand Rapids MI (348) Tandem: GDRPMIBL21T 🔧 Explore Switch(CLLI: BNHRMIMNDS0))
269-934-9XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	BENTON HBR	BNHRMIMNDS0	N/A	Prefix Type: RBOC Switch Name: BENTON HARBOR Switch Type: EWSD LATA: Grand Rapids MI (348) Tandem: GDRPMIBL21T 🔧 Explore Switch(CLLI: BNHRMIMNDS0))
269-944	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	BENTON HBR	BNHRMIESRSA	00/00/0000	Prefix Type: RBOC Switch Name: BENTON HARBOR ES Switch Type: N/A LATA: Grand Rapids MI (348) Tandem: GDRPMIBL10T 🔧 Explore Switch(CLLI: BNHRMIESRSA))
269-944 is split into 1,000-number blocks - detail below
269-944-0XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	BENTON HBR	BNHRMIESRSA	N/A	Prefix Type: RBOC Switch Name: BENTON HARBOR ES Switch Type: N/A LATA: Grand Rapids MI (348) Tandem: GDRPMIBL10T 🔧 Explore Switch(CLLI: BNHRMIESRSA))
269-944-1XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	BENTON HBR	BNHRMIESRSA	N/A	Prefix Type: RBOC Switch Name: BENTON HARBOR ES Switch Type: N/A LATA: Grand Rapids MI (348) Tandem: GDRPMIBL10T 🔧 Explore Switch(CLLI: BNHRMIESRSA))
269-944-2XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	BENTON HBR	BNHRMIESRSA	N/A	Prefix Type: RBOC Switch Name: BENTON HARBOR ES Switch Type: N/A LATA: Grand Rapids MI (348) Tandem: GDRPMIBL10T 🔧 Explore Switch(CLLI: BNHRMIESRSA))
269-944-3XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	BENTON HBR	BNHRMIESRSA	N/A	Prefix Type: RBOC Switch Name: BENTON HARBOR ES Switch Type: N/A LATA: Grand Rapids MI (348) Tandem: GDRPMIBL10T 🔧 Explore Switch(CLLI: BNHRMIESRSA))
269-944-4XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	BENTON HBR	BNHRMIESRSA	N/A	Prefix Type: RBOC Switch Name: BENTON HARBOR ES Switch Type: N/A LATA: Grand Rapids MI (348) Tandem: GDRPMIBL10T 🔧 Explore Switch(CLLI: BNHRMIESRSA))
269-944-5XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	BENTON HBR	BNHRMIESRSA	N/A	Prefix Type: RBOC Switch Name: BENTON HARBOR ES Switch Type: N/A LATA: Grand Rapids MI (348) Tandem: GDRPMIBL10T 🔧 Explore Switch(CLLI: BNHRMIESRSA))
269-945	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	HASTINGS	HSNGMIHSRS0	00/00/0000	Prefix Type: RBOC Switch Name: HASTINGS Switch Type: N/A LATA: Grand Rapids MI (348) Tandem: GDRPMIBL21T 🔧 Explore Switch(CLLI: HSNGMIHSRS0))
269-945 is split into 1,000-number blocks - detail below
269-945-0XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	HASTINGS	HSNGMIHSRS0	N/A	Prefix Type: RBOC Switch Name: HASTINGS Switch Type: N/A LATA: Grand Rapids MI (348) Tandem: GDRPMIBL21T 🔧 Explore Switch(CLLI: HSNGMIHSRS0))
269-945-1XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	HASTINGS	HSNGMIHSRS0	N/A	Prefix Type: RBOC Switch Name: HASTINGS Switch Type: N/A LATA: Grand Rapids MI (348) Tandem: GDRPMIBL21T 🔧 Explore Switch(CLLI: HSNGMIHSRS0))
269-945-2XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	HASTINGS	HSNGMIHSRS0	N/A	Prefix Type: RBOC Switch Name: HASTINGS Switch Type: N/A LATA: Grand Rapids MI (348) Tandem: GDRPMIBL21T 🔧 Explore Switch(CLLI: HSNGMIHSRS0))
269-945-3XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	HASTINGS	HSNGMIHSRS0	N/A	Prefix Type: RBOC Switch Name: HASTINGS Switch Type: N/A LATA: Grand Rapids MI (348) Tandem: GDRPMIBL21T 🔧 Explore Switch(CLLI: HSNGMIHSRS0))
269-945-4XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	HASTINGS	HSNGMIHSRS0	N/A	Prefix Type: RBOC Switch Name: HASTINGS Switch Type: N/A LATA: Grand Rapids MI (348) Tandem: GDRPMIBL21T 🔧 Explore Switch(CLLI: HSNGMIHSRS0))
269-945-5XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	HASTINGS	HSNGMIHSRS0	N/A	Prefix Type: RBOC Switch Name: HASTINGS Switch Type: N/A LATA: Grand Rapids MI (348) Tandem: GDRPMIBL21T 🔧 Explore Switch(CLLI: HSNGMIHSRS0))
269-945-6XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	HASTINGS	HSNGMIHSRS0	N/A	Prefix Type: RBOC Switch Name: HASTINGS Switch Type: N/A LATA: Grand Rapids MI (348) Tandem: GDRPMIBL21T 🔧 Explore Switch(CLLI: HSNGMIHSRS0))
269-945-8XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	HASTINGS	HSNGMIHSRS0	N/A	Prefix Type: RBOC Switch Name: HASTINGS Switch Type: N/A LATA: Grand Rapids MI (348) Tandem: GDRPMIBL21T 🔧 Explore Switch(CLLI: HSNGMIHSRS0))
269-945-9XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	HASTINGS	HSNGMIHSRS0	N/A	Prefix Type: RBOC Switch Name: HASTINGS Switch Type: N/A LATA: Grand Rapids MI (348) Tandem: GDRPMIBL21T 🔧 Explore Switch(CLLI: HSNGMIHSRS0))
269-948	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	HASTINGS	HSNGMIHSRS0	00/00/0000	Prefix Type: RBOC Switch Name: HASTINGS Switch Type: N/A LATA: Grand Rapids MI (348) Tandem: GDRPMIBL21T 🔧 Explore Switch(CLLI: HSNGMIHSRS0))
269-948 is split into 1,000-number blocks - detail below
269-948-0XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	HASTINGS	HSNGMIHSRS0	N/A	Prefix Type: RBOC Switch Name: HASTINGS Switch Type: N/A LATA: Grand Rapids MI (348) Tandem: GDRPMIBL21T 🔧 Explore Switch(CLLI: HSNGMIHSRS0))
269-948-1XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	HASTINGS	HSNGMIHSRS0	N/A	Prefix Type: RBOC Switch Name: HASTINGS Switch Type: N/A LATA: Grand Rapids MI (348) Tandem: GDRPMIBL21T 🔧 Explore Switch(CLLI: HSNGMIHSRS0))
269-948-2XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	HASTINGS	HSNGMIHSRS0	N/A	Prefix Type: RBOC Switch Name: HASTINGS Switch Type: N/A LATA: Grand Rapids MI (348) Tandem: GDRPMIBL21T 🔧 Explore Switch(CLLI: HSNGMIHSRS0))
269-948-3XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	HASTINGS	HSNGMIHSRS0	N/A	Prefix Type: RBOC Switch Name: HASTINGS Switch Type: N/A LATA: Grand Rapids MI (348) Tandem: GDRPMIBL21T 🔧 Explore Switch(CLLI: HSNGMIHSRS0))
269-948-4XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	HASTINGS	HSNGMIHSRS0	N/A	Prefix Type: RBOC Switch Name: HASTINGS Switch Type: N/A LATA: Grand Rapids MI (348) Tandem: GDRPMIBL21T 🔧 Explore Switch(CLLI: HSNGMIHSRS0))
269-948-5XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	HASTINGS	HSNGMIHSRS0	N/A	Prefix Type: RBOC Switch Name: HASTINGS Switch Type: N/A LATA: Grand Rapids MI (348) Tandem: GDRPMIBL21T 🔧 Explore Switch(CLLI: HSNGMIHSRS0))
269-948-8XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	HASTINGS	HSNGMIHSRS0	N/A	Prefix Type: RBOC Switch Name: HASTINGS Switch Type: N/A LATA: Grand Rapids MI (348) Tandem: GDRPMIBL21T 🔧 Explore Switch(CLLI: HSNGMIHSRS0))
269-948-9XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	HASTINGS	HSNGMIHSRS0	N/A	Prefix Type: RBOC Switch Name: HASTINGS Switch Type: N/A LATA: Grand Rapids MI (348) Tandem: GDRPMIBL21T 🔧 Explore Switch(CLLI: HSNGMIHSRS0))
269-961	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	BATTLE CRK	BTCKMIBCDS0	00/00/0000	Prefix Type: RBOC Switch Name: BATTLE CREEK BC Switch Type: DMS100 LATA: Grand Rapids MI (348) Tandem: GDRPMIBL10T 🔧 Explore Switch(CLLI: BTCKMIBCDS0))
269-961 is split into 1,000-number blocks - detail below
269-961-2XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	BATTLE CRK	BTCKMIBCDS0	N/A	Prefix Type: RBOC Switch Name: BATTLE CREEK BC Switch Type: DMS100 LATA: Grand Rapids MI (348) Tandem: GDRPMIBL10T 🔧 Explore Switch(CLLI: BTCKMIBCDS0))
269-961-3XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	BATTLE CRK	BTCKMIBCDS0	N/A	Prefix Type: RBOC Switch Name: BATTLE CREEK BC Switch Type: DMS100 LATA: Grand Rapids MI (348) Tandem: GDRPMIBL10T 🔧 Explore Switch(CLLI: BTCKMIBCDS0))
269-961-4XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	BATTLE CRK	BTCKMIBCDS0	N/A	Prefix Type: RBOC Switch Name: BATTLE CREEK BC Switch Type: DMS100 LATA: Grand Rapids MI (348) Tandem: GDRPMIBL10T 🔧 Explore Switch(CLLI: BTCKMIBCDS0))
269-961-5XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	BATTLE CRK	BTCKMIBCDS0	N/A	Prefix Type: RBOC Switch Name: BATTLE CREEK BC Switch Type: DMS100 LATA: Grand Rapids MI (348) Tandem: GDRPMIBL10T 🔧 Explore Switch(CLLI: BTCKMIBCDS0))
269-961-6XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	BATTLE CRK	BTCKMIBCDS0	N/A	Prefix Type: RBOC Switch Name: BATTLE CREEK BC Switch Type: DMS100 LATA: Grand Rapids MI (348) Tandem: GDRPMIBL10T 🔧 Explore Switch(CLLI: BTCKMIBCDS0))
269-961-7XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	BATTLE CRK	BTCKMIBCDS0	N/A	Prefix Type: RBOC Switch Name: BATTLE CREEK BC Switch Type: DMS100 LATA: Grand Rapids MI (348) Tandem: GDRPMIBL10T 🔧 Explore Switch(CLLI: BTCKMIBCDS0))
269-961-9XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	BATTLE CRK	BTCKMIBCDS0	N/A	Prefix Type: RBOC Switch Name: BATTLE CREEK BC Switch Type: DMS100 LATA: Grand Rapids MI (348) Tandem: GDRPMIBL10T 🔧 Explore Switch(CLLI: BTCKMIBCDS0))
269-962	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	BATTLE CRK	BTCKMIBCDS0	00/00/0000	Prefix Type: RBOC Switch Name: BATTLE CREEK BC Switch Type: DMS100 LATA: Grand Rapids MI (348) Tandem: GDRPMIBL10T 🔧 Explore Switch(CLLI: BTCKMIBCDS0))
269-963	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	BATTLE CRK	BTCKMIBCDS0	00/00/0000	Prefix Type: RBOC Switch Name: BATTLE CREEK BC Switch Type: DMS100 LATA: Grand Rapids MI (348) Tandem: GDRPMIBL10T 🔧 Explore Switch(CLLI: BTCKMIBCDS0))
269-964	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	BATTLE CRK	BTCKMIBCDS0	00/00/0000	Prefix Type: RBOC Switch Name: BATTLE CREEK BC Switch Type: DMS100 LATA: Grand Rapids MI (348) Tandem: GDRPMIBL10T 🔧 Explore Switch(CLLI: BTCKMIBCDS0))
269-965	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	BATTLE CRK	BTCKMIBCDS0	00/00/0000	Prefix Type: RBOC Switch Name: BATTLE CREEK BC Switch Type: DMS100 LATA: Grand Rapids MI (348) Tandem: GDRPMIBL10T 🔧 Explore Switch(CLLI: BTCKMIBCDS0))
269-966	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	BATTLE CRK	BTCKMIBCDS0	00/00/0000	Prefix Type: RBOC Switch Name: BATTLE CREEK BC Switch Type: DMS100 LATA: Grand Rapids MI (348) Tandem: GDRPMIBL10T 🔧 Explore Switch(CLLI: BTCKMIBCDS0))
269-968	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	BATTLE CRK	BTCKMIBCDS0	00/00/0000	Prefix Type: RBOC Switch Name: BATTLE CREEK BC Switch Type: DMS100 LATA: Grand Rapids MI (348) Tandem: GDRPMIBL10T 🔧 Explore Switch(CLLI: BTCKMIBCDS0))
269-969	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	BATTLE CRK	BTCKMIBCDS0	00/00/0000	Prefix Type: RBOC Switch Name: BATTLE CREEK BC Switch Type: DMS100 LATA: Grand Rapids MI (348) Tandem: GDRPMIBL10T 🔧 Explore Switch(CLLI: BTCKMIBCDS0))
269-969 is split into 1,000-number blocks - detail below
269-969-0XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	BATTLE CRK	BTCKMIBCDS0	N/A	Prefix Type: RBOC Switch Name: BATTLE CREEK BC Switch Type: DMS100 LATA: Grand Rapids MI (348) Tandem: GDRPMIBL10T 🔧 Explore Switch(CLLI: BTCKMIBCDS0))
269-969-2XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	BATTLE CRK	BTCKMIBCDS0	N/A	Prefix Type: RBOC Switch Name: BATTLE CREEK BC Switch Type: DMS100 LATA: Grand Rapids MI (348) Tandem: GDRPMIBL10T 🔧 Explore Switch(CLLI: BTCKMIBCDS0))
269-969-3XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	BATTLE CRK	BTCKMIBCDS0	N/A	Prefix Type: RBOC Switch Name: BATTLE CREEK BC Switch Type: DMS100 LATA: Grand Rapids MI (348) Tandem: GDRPMIBL10T 🔧 Explore Switch(CLLI: BTCKMIBCDS0))
269-969-4XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	BATTLE CRK	BTCKMIBCDS0	N/A	Prefix Type: RBOC Switch Name: BATTLE CREEK BC Switch Type: DMS100 LATA: Grand Rapids MI (348) Tandem: GDRPMIBL10T 🔧 Explore Switch(CLLI: BTCKMIBCDS0))
269-969-5XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	BATTLE CRK	BTCKMIBCDS0	N/A	Prefix Type: RBOC Switch Name: BATTLE CREEK BC Switch Type: DMS100 LATA: Grand Rapids MI (348) Tandem: GDRPMIBL10T 🔧 Explore Switch(CLLI: BTCKMIBCDS0))
269-969-6XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	BATTLE CRK	BTCKMIBCDS0	N/A	Prefix Type: RBOC Switch Name: BATTLE CREEK BC Switch Type: DMS100 LATA: Grand Rapids MI (348) Tandem: GDRPMIBL10T 🔧 Explore Switch(CLLI: BTCKMIBCDS0))
269-969-7XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	BATTLE CRK	BTCKMIBCDS0	N/A	Prefix Type: RBOC Switch Name: BATTLE CREEK BC Switch Type: DMS100 LATA: Grand Rapids MI (348) Tandem: GDRPMIBL10T 🔧 Explore Switch(CLLI: BTCKMIBCDS0))
269-969-8XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	BATTLE CRK	BTCKMIBCDS0	N/A	Prefix Type: RBOC Switch Name: BATTLE CREEK BC Switch Type: DMS100 LATA: Grand Rapids MI (348) Tandem: GDRPMIBL10T 🔧 Explore Switch(CLLI: BTCKMIBCDS0))
269-969-9XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	BATTLE CRK	BTCKMIBCDS0	N/A	Prefix Type: RBOC Switch Name: BATTLE CREEK BC Switch Type: DMS100 LATA: Grand Rapids MI (348) Tandem: GDRPMIBL10T 🔧 Explore Switch(CLLI: BTCKMIBCDS0))
269-973	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	KALAMAZOO	OSHTMIWSDS0	00/00/0000	Prefix Type: RBOC Switch Name: OSHTEMO Switch Type: DMS100 LATA: Grand Rapids MI (348) Tandem: GDRPMIBL10T 🔧 Explore Switch(CLLI: OSHTMIWSDS0))
269-979	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	BATTLE CRK	BTCKMISODS0	00/00/0000	Prefix Type: RBOC Switch Name: BATTLE CREEK SO Switch Type: DMS10 LATA: Grand Rapids MI (348) Tandem: GDRPMIBL10T 🔧 Explore Switch(CLLI: BTCKMISODS0))
269-982	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	ST JOSEPH	BNHRMIMNDS0	00/00/0000	Prefix Type: RBOC Switch Name: BENTON HARBOR Switch Type: EWSD LATA: Grand Rapids MI (348) Tandem: GDRPMIBL21T 🔧 Explore Switch(CLLI: BNHRMIMNDS0))
269-983	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	ST JOSEPH	BNHRMIMNDS0	00/00/0000	Prefix Type: RBOC Switch Name: BENTON HARBOR Switch Type: EWSD LATA: Grand Rapids MI (348) Tandem: GDRPMIBL21T 🔧 Explore Switch(CLLI: BNHRMIMNDS0))
269-985	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	ST JOSEPH	BNHRMIMNDS0	00/00/0000	Prefix Type: RBOC Switch Name: BENTON HARBOR Switch Type: EWSD LATA: Grand Rapids MI (348) Tandem: GDRPMIBL21T 🔧 Explore Switch(CLLI: BNHRMIMNDS0))
269-985 is split into 1,000-number blocks - detail below
269-985-0XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	ST JOSEPH	BNHRMIMNDS0	N/A	Prefix Type: RBOC Switch Name: BENTON HARBOR Switch Type: EWSD LATA: Grand Rapids MI (348) Tandem: GDRPMIBL21T 🔧 Explore Switch(CLLI: BNHRMIMNDS0))
269-985-1XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	ST JOSEPH	BNHRMIMNDS0	N/A	Prefix Type: RBOC Switch Name: BENTON HARBOR Switch Type: EWSD LATA: Grand Rapids MI (348) Tandem: GDRPMIBL21T 🔧 Explore Switch(CLLI: BNHRMIMNDS0))
269-985-4XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	ST JOSEPH	BNHRMIMNDS0	N/A	Prefix Type: RBOC Switch Name: BENTON HARBOR Switch Type: EWSD LATA: Grand Rapids MI (348) Tandem: GDRPMIBL21T 🔧 Explore Switch(CLLI: BNHRMIMNDS0))
269-985-5XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	ST JOSEPH	BNHRMIMNDS0	N/A	Prefix Type: RBOC Switch Name: BENTON HARBOR Switch Type: EWSD LATA: Grand Rapids MI (348) Tandem: GDRPMIBL21T 🔧 Explore Switch(CLLI: BNHRMIMNDS0))
313-206	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	DETROITZN6	DRBRMIFBDS1	00/00/0000	Prefix Type: RBOC Switch Name: DRBR FAIRBORN DS1 Switch Type: DMS100 LATA: Detroit MI (340) Tandem: DTRTMIVW20T 🔧 Explore Switch(CLLI: DRBRMIFBDS1))
313-221	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	DETROITZN1	DTRTMIBHDS1	06/17/2005	Prefix Type: RBOC Switch Name: DTRT HDQTRS DS1 Switch Type: DMS100 LATA: Detroit MI (340) Tandem: DTRTMIVW20T 🔧 Explore Switch(CLLI: DTRTMIBHDS1))
313-221 is split into 1,000-number blocks - detail below
313-221-2XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	DETROITZN1	DTRTMIBHDS1	06/20/2005	Prefix Type: RBOC Switch Name: DTRT HDQTRS DS1 Switch Type: DMS100 LATA: Detroit MI (340) Tandem: DTRTMIVW20T 🔧 Explore Switch(CLLI: DTRTMIBHDS1))
313-222	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	DETROITZN1	DTRTMIBLRPA	00/00/0000	Prefix Type: RBOC Switch Name: DETROIT Switch Type: N/A LATA: Detroit MI (340) Tandem: N/A 🔧 Explore Switch(CLLI: DTRTMIBLRPA))
313-223	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	DETROITZN1	DTRTMIBLRPA	00/00/0000	Prefix Type: RBOC Switch Name: DETROIT Switch Type: N/A LATA: Detroit MI (340) Tandem: N/A 🔧 Explore Switch(CLLI: DTRTMIBLRPA))
313-224	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	DETROITZN1	DTRTMIBHDS1	00/00/0000	Prefix Type: RBOC Switch Name: DTRT HDQTRS DS1 Switch Type: DMS100 LATA: Detroit MI (340) Tandem: DTRTMIVW20T 🔧 Explore Switch(CLLI: DTRTMIBHDS1))
313-225	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	DETROITZN1	DTRTMIBHDS1	00/00/0000	Prefix Type: RBOC Switch Name: DTRT HDQTRS DS1 Switch Type: DMS100 LATA: Detroit MI (340) Tandem: DTRTMIVW20T 🔧 Explore Switch(CLLI: DTRTMIBHDS1))
313-226	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	DETROITZN1	DTRTMIBHDS1	00/00/0000	Prefix Type: RBOC Switch Name: DTRT HDQTRS DS1 Switch Type: DMS100 LATA: Detroit MI (340) Tandem: DTRTMIVW20T 🔧 Explore Switch(CLLI: DTRTMIBHDS1))
313-227	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	DETROITZN1	DTRTMIBHDS1	00/00/0000	Prefix Type: RBOC Switch Name: DTRT HDQTRS DS1 Switch Type: DMS100 LATA: Detroit MI (340) Tandem: DTRTMIVW20T 🔧 Explore Switch(CLLI: DTRTMIBHDS1))
313-232	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	DETROITZN5	SFLDMIMNDS1	00/00/0000	Prefix Type: RBOC Switch Name: SOUTHFIELD DS1 Switch Type: DMS100 LATA: Detroit MI (340) Tandem: WBFDMIMN20T 🔧 Explore Switch(CLLI: SFLDMIMNDS1))
313-233	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	DETROITZN5	SFLDMIMNDS1	00/00/0000	Prefix Type: RBOC Switch Name: SOUTHFIELD DS1 Switch Type: DMS100 LATA: Detroit MI (340) Tandem: WBFDMIMN20T 🔧 Explore Switch(CLLI: SFLDMIMNDS1))
313-234	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	DETROITZN1	DTRTMIBHDS0	00/00/0000	Prefix Type: RBOC Switch Name: DTRT HDQTRS DS0 Switch Type: DMS100 LATA: Detroit MI (340) Tandem: DTRTMIVW20T 🔧 Explore Switch(CLLI: DTRTMIBHDS0))
313-234 is split into 1,000-number blocks - detail below
313-234-0XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	DETROITZN1	DTRTMIBHDS0	N/A	Prefix Type: RBOC Switch Name: DTRT HDQTRS DS0 Switch Type: DMS100 LATA: Detroit MI (340) Tandem: DTRTMIVW20T 🔧 Explore Switch(CLLI: DTRTMIBHDS0))
313-234-1XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	DETROITZN1	DTRTMIBHDS0	N/A	Prefix Type: RBOC Switch Name: DTRT HDQTRS DS0 Switch Type: DMS100 LATA: Detroit MI (340) Tandem: DTRTMIVW20T 🔧 Explore Switch(CLLI: DTRTMIBHDS0))
313-234-2XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	DETROITZN1	DTRTMIBHDS0	N/A	Prefix Type: RBOC Switch Name: DTRT HDQTRS DS0 Switch Type: DMS100 LATA: Detroit MI (340) Tandem: DTRTMIVW20T 🔧 Explore Switch(CLLI: DTRTMIBHDS0))
313-234-4XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	DETROITZN1	DTRTMIBHDS0	N/A	Prefix Type: RBOC Switch Name: DTRT HDQTRS DS0 Switch Type: DMS100 LATA: Detroit MI (340) Tandem: DTRTMIVW20T 🔧 Explore Switch(CLLI: DTRTMIBHDS0))
313-234-5XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	DETROITZN1	DTRTMIBHDS0	N/A	Prefix Type: RBOC Switch Name: DTRT HDQTRS DS0 Switch Type: DMS100 LATA: Detroit MI (340) Tandem: DTRTMIVW20T 🔧 Explore Switch(CLLI: DTRTMIBHDS0))
313-234-6XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	DETROITZN1	DTRTMIBHDS0	N/A	Prefix Type: RBOC Switch Name: DTRT HDQTRS DS0 Switch Type: DMS100 LATA: Detroit MI (340) Tandem: DTRTMIVW20T 🔧 Explore Switch(CLLI: DTRTMIBHDS0))
313-234-7XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	DETROITZN1	DTRTMIBHDS0	N/A	Prefix Type: RBOC Switch Name: DTRT HDQTRS DS0 Switch Type: DMS100 LATA: Detroit MI (340) Tandem: DTRTMIVW20T 🔧 Explore Switch(CLLI: DTRTMIBHDS0))
313-234-8XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	DETROITZN1	DTRTMIBHDS0	N/A	Prefix Type: RBOC Switch Name: DTRT HDQTRS DS0 Switch Type: DMS100 LATA: Detroit MI (340) Tandem: DTRTMIVW20T 🔧 Explore Switch(CLLI: DTRTMIBHDS0))
313-234-9XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	DETROITZN1	DTRTMIBHDS0	N/A	Prefix Type: RBOC Switch Name: DTRT HDQTRS DS0 Switch Type: DMS100 LATA: Detroit MI (340) Tandem: DTRTMIVW20T 🔧 Explore Switch(CLLI: DTRTMIBHDS0))
313-235	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	DETROITZN1	DTRTMIBHDS1	00/00/0000	Prefix Type: RBOC Switch Name: DTRT HDQTRS DS1 Switch Type: DMS100 LATA: Detroit MI (340) Tandem: DTRTMIVW20T 🔧 Explore Switch(CLLI: DTRTMIBHDS1))
313-237	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	DETROITZN1	DTRTMIBHDS1	00/00/0000	Prefix Type: RBOC Switch Name: DTRT HDQTRS DS1 Switch Type: DMS100 LATA: Detroit MI (340) Tandem: DTRTMIVW20T 🔧 Explore Switch(CLLI: DTRTMIBHDS1))
313-240	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	DETROITZN6	DRBRMIFBDS0	00/00/0000	Prefix Type: RBOC Switch Name: DRBR FAIRBORN DS0 Switch Type: DMS100 LATA: Detroit MI (340) Tandem: DTRTMIVW20T 🔧 Explore Switch(CLLI: DRBRMIFBDS0))
313-240 is split into 1,000-number blocks - detail below
313-240-0XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	DETROITZN6	DRBRMIFBDS0	N/A	Prefix Type: RBOC Switch Name: DRBR FAIRBORN DS0 Switch Type: DMS100 LATA: Detroit MI (340) Tandem: DTRTMIVW20T 🔧 Explore Switch(CLLI: DRBRMIFBDS0))
313-240-3XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	DETROITZN6	DRBRMIFBDS0	N/A	Prefix Type: RBOC Switch Name: DRBR FAIRBORN DS0 Switch Type: DMS100 LATA: Detroit MI (340) Tandem: DTRTMIVW20T 🔧 Explore Switch(CLLI: DRBRMIFBDS0))
313-240-4XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	DETROITZN6	DRBRMIFBDS0	N/A	Prefix Type: RBOC Switch Name: DRBR FAIRBORN DS0 Switch Type: DMS100 LATA: Detroit MI (340) Tandem: DTRTMIVW20T 🔧 Explore Switch(CLLI: DRBRMIFBDS0))
313-240-5XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	DETROITZN6	DRBRMIFBDS0	N/A	Prefix Type: RBOC Switch Name: DRBR FAIRBORN DS0 Switch Type: DMS100 LATA: Detroit MI (340) Tandem: DTRTMIVW20T 🔧 Explore Switch(CLLI: DRBRMIFBDS0))
313-240-6XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	DETROITZN6	DRBRMIFBDS0	N/A	Prefix Type: RBOC Switch Name: DRBR FAIRBORN DS0 Switch Type: DMS100 LATA: Detroit MI (340) Tandem: DTRTMIVW20T 🔧 Explore Switch(CLLI: DRBRMIFBDS0))
313-240-7XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	DETROITZN6	DRBRMIFBDS0	N/A	Prefix Type: RBOC Switch Name: DRBR FAIRBORN DS0 Switch Type: DMS100 LATA: Detroit MI (340) Tandem: DTRTMIVW20T 🔧 Explore Switch(CLLI: DRBRMIFBDS0))
313-240-8XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	DETROITZN6	DRBRMIFBDS0	N/A	Prefix Type: RBOC Switch Name: DRBR FAIRBORN DS0 Switch Type: DMS100 LATA: Detroit MI (340) Tandem: DTRTMIVW20T 🔧 Explore Switch(CLLI: DRBRMIFBDS0))
313-240-9XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	DETROITZN6	DRBRMIFBDS0	N/A	Prefix Type: RBOC Switch Name: DRBR FAIRBORN DS0 Switch Type: DMS100 LATA: Detroit MI (340) Tandem: DTRTMIVW20T 🔧 Explore Switch(CLLI: DRBRMIFBDS0))
313-245	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	DETROITZN2	DTRTMIPGDS0	00/00/0000	Prefix Type: RBOC Switch Name: DTRT PINGREE DS0 Switch Type: DMS100 LATA: Detroit MI (340) Tandem: DTRTMIVW20T 🔧 Explore Switch(CLLI: DTRTMIPGDS0))
313-248	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	DETROITZN6	DRBRMIFBDS1	00/00/0000	Prefix Type: RBOC Switch Name: DRBR FAIRBORN DS1 Switch Type: DMS100 LATA: Detroit MI (340) Tandem: DTRTMIVW20T 🔧 Explore Switch(CLLI: DRBRMIFBDS1))
313-249	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	DETROITZN5	SFLDMIOKDS0	00/00/0000	Prefix Type: RBOC Switch Name: SFLD OAKFIELD DS0 Switch Type: 5ESS LATA: Detroit MI (340) Tandem: WBFDMIMN20T 🔧 Explore Switch(CLLI: SFLDMIOKDS0))
313-252	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	DETROITZN3	HGPKMITSDS0	00/00/0000	Prefix Type: RBOC Switch Name: HIGHLAND PARK Switch Type: DMS100 LATA: Detroit MI (340) Tandem: DTRTMIVW20T 🔧 Explore Switch(CLLI: HGPKMITSDS0))
313-253	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	DETROITZN6	DRBRMIFBDS0	00/00/0000	Prefix Type: RBOC Switch Name: DRBR FAIRBORN DS0 Switch Type: DMS100 LATA: Detroit MI (340) Tandem: DTRTMIVW20T 🔧 Explore Switch(CLLI: DRBRMIFBDS0))
313-253 is split into 1,000-number blocks - detail below
313-253-0XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	DETROITZN6	DRBRMIFBDS0	N/A	Prefix Type: RBOC Switch Name: DRBR FAIRBORN DS0 Switch Type: DMS100 LATA: Detroit MI (340) Tandem: DTRTMIVW20T 🔧 Explore Switch(CLLI: DRBRMIFBDS0))
313-253-1XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	DETROITZN6	DRBRMIFBDS0	N/A	Prefix Type: RBOC Switch Name: DRBR FAIRBORN DS0 Switch Type: DMS100 LATA: Detroit MI (340) Tandem: DTRTMIVW20T 🔧 Explore Switch(CLLI: DRBRMIFBDS0))
313-253-2XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	DETROITZN6	DRBRMIFBDS0	N/A	Prefix Type: RBOC Switch Name: DRBR FAIRBORN DS0 Switch Type: DMS100 LATA: Detroit MI (340) Tandem: DTRTMIVW20T 🔧 Explore Switch(CLLI: DRBRMIFBDS0))
313-253-3XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	DETROITZN6	DRBRMIFBDS0	N/A	Prefix Type: RBOC Switch Name: DRBR FAIRBORN DS0 Switch Type: DMS100 LATA: Detroit MI (340) Tandem: DTRTMIVW20T 🔧 Explore Switch(CLLI: DRBRMIFBDS0))
313-253-4XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	DETROITZN6	DRBRMIFBDS0	N/A	Prefix Type: RBOC Switch Name: DRBR FAIRBORN DS0 Switch Type: DMS100 LATA: Detroit MI (340) Tandem: DTRTMIVW20T 🔧 Explore Switch(CLLI: DRBRMIFBDS0))
313-253-6XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	DETROITZN6	DRBRMIFBDS0	N/A	Prefix Type: RBOC Switch Name: DRBR FAIRBORN DS0 Switch Type: DMS100 LATA: Detroit MI (340) Tandem: DTRTMIVW20T 🔧 Explore Switch(CLLI: DRBRMIFBDS0))
313-253-7XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	DETROITZN6	DRBRMIFBDS0	N/A	Prefix Type: RBOC Switch Name: DRBR FAIRBORN DS0 Switch Type: DMS100 LATA: Detroit MI (340) Tandem: DTRTMIVW20T 🔧 Explore Switch(CLLI: DRBRMIFBDS0))
313-253-8XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	DETROITZN6	DRBRMIFBDS0	N/A	Prefix Type: RBOC Switch Name: DRBR FAIRBORN DS0 Switch Type: DMS100 LATA: Detroit MI (340) Tandem: DTRTMIVW20T 🔧 Explore Switch(CLLI: DRBRMIFBDS0))
313-253-9XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	DETROITZN6	DRBRMIFBDS0	N/A	Prefix Type: RBOC Switch Name: DRBR FAIRBORN DS0 Switch Type: DMS100 LATA: Detroit MI (340) Tandem: DTRTMIVW20T 🔧 Explore Switch(CLLI: DRBRMIFBDS0))
313-255	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	DETROITZN5	DTRTMIRFDS0	00/00/0000	Prefix Type: RBOC Switch Name: DTRT REDFORD DS0 Switch Type: EWSD LATA: Detroit MI (340) Tandem: DTRTMIVW20T 🔧 Explore Switch(CLLI: DTRTMIRFDS0))
313-256	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	DETROITZN1	DTRTMIBHDS0	00/00/0000	Prefix Type: RBOC Switch Name: DTRT HDQTRS DS0 Switch Type: DMS100 LATA: Detroit MI (340) Tandem: DTRTMIVW20T 🔧 Explore Switch(CLLI: DTRTMIBHDS0))
313-256 is split into 1,000-number blocks - detail below
313-256-0XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	DETROITZN1	DTRTMIBHDS0	N/A	Prefix Type: RBOC Switch Name: DTRT HDQTRS DS0 Switch Type: DMS100 LATA: Detroit MI (340) Tandem: DTRTMIVW20T 🔧 Explore Switch(CLLI: DTRTMIBHDS0))
313-256-2XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	DETROITZN1	DTRTMIBHDS0	N/A	Prefix Type: RBOC Switch Name: DTRT HDQTRS DS0 Switch Type: DMS100 LATA: Detroit MI (340) Tandem: DTRTMIVW20T 🔧 Explore Switch(CLLI: DTRTMIBHDS0))
313-256-3XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	DETROITZN1	DTRTMIBHDS0	N/A	Prefix Type: RBOC Switch Name: DTRT HDQTRS DS0 Switch Type: DMS100 LATA: Detroit MI (340) Tandem: DTRTMIVW20T 🔧 Explore Switch(CLLI: DTRTMIBHDS0))
313-256-4XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	DETROITZN1	DTRTMIBHDS0	N/A	Prefix Type: RBOC Switch Name: DTRT HDQTRS DS0 Switch Type: DMS100 LATA: Detroit MI (340) Tandem: DTRTMIVW20T 🔧 Explore Switch(CLLI: DTRTMIBHDS0))
313-256-5XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	DETROITZN1	DTRTMIBHDS0	N/A	Prefix Type: RBOC Switch Name: DTRT HDQTRS DS0 Switch Type: DMS100 LATA: Detroit MI (340) Tandem: DTRTMIVW20T 🔧 Explore Switch(CLLI: DTRTMIBHDS0))
313-256-6XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	DETROITZN1	DTRTMIBHDS0	N/A	Prefix Type: RBOC Switch Name: DTRT HDQTRS DS0 Switch Type: DMS100 LATA: Detroit MI (340) Tandem: DTRTMIVW20T 🔧 Explore Switch(CLLI: DTRTMIBHDS0))
313-256-7XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	DETROITZN1	DTRTMIBHDS0	N/A	Prefix Type: RBOC Switch Name: DTRT HDQTRS DS0 Switch Type: DMS100 LATA: Detroit MI (340) Tandem: DTRTMIVW20T 🔧 Explore Switch(CLLI: DTRTMIBHDS0))
313-256-8XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	DETROITZN1	DTRTMIBHDS0	N/A	Prefix Type: RBOC Switch Name: DTRT HDQTRS DS0 Switch Type: DMS100 LATA: Detroit MI (340) Tandem: DTRTMIVW20T 🔧 Explore Switch(CLLI: DTRTMIBHDS0))
313-256-9XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	DETROITZN1	DTRTMIBHDS0	N/A	Prefix Type: RBOC Switch Name: DTRT HDQTRS DS0 Switch Type: DMS100 LATA: Detroit MI (340) Tandem: DTRTMIVW20T 🔧 Explore Switch(CLLI: DTRTMIBHDS0))
313-259	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	DETROITZN1	DTRTMIRVDS0	00/00/0000	Prefix Type: RBOC Switch Name: DTRT RIVERFRONT DS0 Switch Type: DMS100 LATA: Detroit MI (340) Tandem: DTRTMIVW20T 🔧 Explore Switch(CLLI: DTRTMIRVDS0))
313-267	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	DETROITZN2	DTRTMIPEDS0	00/00/0000	Prefix Type: RBOC Switch Name: DTRT PLAZA DS0 Switch Type: DMS100 LATA: Detroit MI (340) Tandem: DTRTMIBH20T 🔧 Explore Switch(CLLI: DTRTMIPEDS0))
313-270	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	DETROITZN4	DTRTMIVTDS0	00/00/0000	Prefix Type: RBOC Switch Name: DTRT VERMONT DS0 Switch Type: DMS100 LATA: Detroit MI (340) Tandem: DTRTMIBH20T 🔧 Explore Switch(CLLI: DTRTMIVTDS0))
313-270 is split into 1,000-number blocks - detail below
313-270-1XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	DETROITZN4	DTRTMIVTDS0	N/A	Prefix Type: RBOC Switch Name: DTRT VERMONT DS0 Switch Type: DMS100 LATA: Detroit MI (340) Tandem: DTRTMIBH20T 🔧 Explore Switch(CLLI: DTRTMIVTDS0))
313-270-2XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	DETROITZN4	DTRTMIVTDS0	N/A	Prefix Type: RBOC Switch Name: DTRT VERMONT DS0 Switch Type: DMS100 LATA: Detroit MI (340) Tandem: DTRTMIBH20T 🔧 Explore Switch(CLLI: DTRTMIVTDS0))
313-270-3XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	DETROITZN4	DTRTMIVTDS0	N/A	Prefix Type: RBOC Switch Name: DTRT VERMONT DS0 Switch Type: DMS100 LATA: Detroit MI (340) Tandem: DTRTMIBH20T 🔧 Explore Switch(CLLI: DTRTMIVTDS0))
313-270-4XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	DETROITZN4	DTRTMIVTDS0	N/A	Prefix Type: RBOC Switch Name: DTRT VERMONT DS0 Switch Type: DMS100 LATA: Detroit MI (340) Tandem: DTRTMIBH20T 🔧 Explore Switch(CLLI: DTRTMIVTDS0))
313-271	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	DETROITZN6	DRBRMIFBDS0	00/00/0000	Prefix Type: RBOC Switch Name: DRBR FAIRBORN DS0 Switch Type: DMS100 LATA: Detroit MI (340) Tandem: DTRTMIVW20T 🔧 Explore Switch(CLLI: DRBRMIFBDS0))
313-272	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	DETROITZN4	DTRTMIVTDS0	00/00/0000	Prefix Type: RBOC Switch Name: DTRT VERMONT DS0 Switch Type: DMS100 LATA: Detroit MI (340) Tandem: DTRTMIBH20T 🔧 Explore Switch(CLLI: DTRTMIVTDS0))
313-273	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	DETROITZN4	DTRTMIVTDS0	00/00/0000	Prefix Type: RBOC Switch Name: DTRT VERMONT DS0 Switch Type: DMS100 LATA: Detroit MI (340) Tandem: DTRTMIBH20T 🔧 Explore Switch(CLLI: DTRTMIVTDS0))
313-274	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	DETROITZN6	DRBRMIDBDS0	00/00/0000	Prefix Type: RBOC Switch Name: DEARBORN DS0 Switch Type: 5ESS LATA: Detroit MI (340) Tandem: WAYNMIMN20T 🔧 Explore Switch(CLLI: DRBRMIDBDS0))
313-275	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	DETROITZN5	SFLDMIOKDS0	00/00/0000	Prefix Type: RBOC Switch Name: SFLD OAKFIELD DS0 Switch Type: 5ESS LATA: Detroit MI (340) Tandem: WBFDMIMN20T 🔧 Explore Switch(CLLI: SFLDMIOKDS0))
313-277	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	DETROITZN6	DRBRMIDBDS0	00/00/0000	Prefix Type: RBOC Switch Name: DEARBORN DS0 Switch Type: 5ESS LATA: Detroit MI (340) Tandem: WAYNMIMN20T 🔧 Explore Switch(CLLI: DRBRMIDBDS0))
313-277 is split into 1,000-number blocks - detail below
313-277-0XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	DETROITZN6	DRBRMIDBDS0	N/A	Prefix Type: RBOC Switch Name: DEARBORN DS0 Switch Type: 5ESS LATA: Detroit MI (340) Tandem: WAYNMIMN20T 🔧 Explore Switch(CLLI: DRBRMIDBDS0))
313-277-1XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	DETROITZN6	DRBRMIDBDS0	N/A	Prefix Type: RBOC Switch Name: DEARBORN DS0 Switch Type: 5ESS LATA: Detroit MI (340) Tandem: WAYNMIMN20T 🔧 Explore Switch(CLLI: DRBRMIDBDS0))
313-277-2XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	DETROITZN6	DRBRMIDBDS0	N/A	Prefix Type: RBOC Switch Name: DEARBORN DS0 Switch Type: 5ESS LATA: Detroit MI (340) Tandem: WAYNMIMN20T 🔧 Explore Switch(CLLI: DRBRMIDBDS0))
313-277-3XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	DETROITZN6	DRBRMIDBDS0	N/A	Prefix Type: RBOC Switch Name: DEARBORN DS0 Switch Type: 5ESS LATA: Detroit MI (340) Tandem: WAYNMIMN20T 🔧 Explore Switch(CLLI: DRBRMIDBDS0))
313-277-4XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	DETROITZN6	DRBRMIDBDS0	N/A	Prefix Type: RBOC Switch Name: DEARBORN DS0 Switch Type: 5ESS LATA: Detroit MI (340) Tandem: WAYNMIMN20T 🔧 Explore Switch(CLLI: DRBRMIDBDS0))
313-277-5XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	DETROITZN6	DRBRMIDBDS0	N/A	Prefix Type: RBOC Switch Name: DEARBORN DS0 Switch Type: 5ESS LATA: Detroit MI (340) Tandem: WAYNMIMN20T 🔧 Explore Switch(CLLI: DRBRMIDBDS0))
313-277-6XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	DETROITZN6	DRBRMIDBDS0	N/A	Prefix Type: RBOC Switch Name: DEARBORN DS0 Switch Type: 5ESS LATA: Detroit MI (340) Tandem: WAYNMIMN20T 🔧 Explore Switch(CLLI: DRBRMIDBDS0))
313-277-7XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	DETROITZN6	DRBRMIDBDS0	N/A	Prefix Type: RBOC Switch Name: DEARBORN DS0 Switch Type: 5ESS LATA: Detroit MI (340) Tandem: WAYNMIMN20T 🔧 Explore Switch(CLLI: DRBRMIDBDS0))
313-277-8XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	DETROITZN6	DRBRMIDBDS0	N/A	Prefix Type: RBOC Switch Name: DEARBORN DS0 Switch Type: 5ESS LATA: Detroit MI (340) Tandem: WAYNMIMN20T 🔧 Explore Switch(CLLI: DRBRMIDBDS0))
313-278	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	DETROITZN6	DRBRMIDBDS0	00/00/0000	Prefix Type: RBOC Switch Name: DEARBORN DS0 Switch Type: 5ESS LATA: Detroit MI (340) Tandem: WAYNMIMN20T 🔧 Explore Switch(CLLI: DRBRMIDBDS0))
313-291	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	DETROITZN6	TAYLMIWKDS0	00/00/0000	Prefix Type: RBOC Switch Name: TAYLOR WICK Switch Type: 5ESS LATA: Detroit MI (340) Tandem: WAYNMIMN20T 🔧 Explore Switch(CLLI: TAYLMIWKDS0))
313-292	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	DETROITZN6	TAYLMIWKDS0	00/00/0000	Prefix Type: RBOC Switch Name: TAYLOR WICK Switch Type: 5ESS LATA: Detroit MI (340) Tandem: WAYNMIMN20T 🔧 Explore Switch(CLLI: TAYLMIWKDS0))
313-294	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	DETROITZN6	LNPKMIATDS0	00/00/0000	Prefix Type: RBOC Switch Name: LINCOLN PARK DS0 Switch Type: 5ESS LATA: Detroit MI (340) Tandem: DTRTMIVW20T 🔧 Explore Switch(CLLI: LNPKMIATDS0))
313-294 is split into 1,000-number blocks - detail below
313-294-0XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	DETROITZN6	LNPKMIATDS0	N/A	Prefix Type: RBOC Switch Name: LINCOLN PARK DS0 Switch Type: 5ESS LATA: Detroit MI (340) Tandem: DTRTMIVW20T 🔧 Explore Switch(CLLI: LNPKMIATDS0))
313-294-1XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	DETROITZN6	LNPKMIATDS0	N/A	Prefix Type: RBOC Switch Name: LINCOLN PARK DS0 Switch Type: 5ESS LATA: Detroit MI (340) Tandem: DTRTMIVW20T 🔧 Explore Switch(CLLI: LNPKMIATDS0))
313-294-2XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	DETROITZN6	LNPKMIATDS0	N/A	Prefix Type: RBOC Switch Name: LINCOLN PARK DS0 Switch Type: 5ESS LATA: Detroit MI (340) Tandem: DTRTMIVW20T 🔧 Explore Switch(CLLI: LNPKMIATDS0))
313-294-3XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	DETROITZN6	LNPKMIATDS0	N/A	Prefix Type: RBOC Switch Name: LINCOLN PARK DS0 Switch Type: 5ESS LATA: Detroit MI (340) Tandem: DTRTMIVW20T 🔧 Explore Switch(CLLI: LNPKMIATDS0))
313-294-4XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	DETROITZN6	LNPKMIATDS0	N/A	Prefix Type: RBOC Switch Name: LINCOLN PARK DS0 Switch Type: 5ESS LATA: Detroit MI (340) Tandem: DTRTMIVW20T 🔧 Explore Switch(CLLI: LNPKMIATDS0))
313-294-6XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	DETROITZN6	LNPKMIATDS0	N/A	Prefix Type: RBOC Switch Name: LINCOLN PARK DS0 Switch Type: 5ESS LATA: Detroit MI (340) Tandem: DTRTMIVW20T 🔧 Explore Switch(CLLI: LNPKMIATDS0))
313-294-8XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	DETROITZN6	LNPKMIATDS0	N/A	Prefix Type: RBOC Switch Name: LINCOLN PARK DS0 Switch Type: 5ESS LATA: Detroit MI (340) Tandem: DTRTMIVW20T 🔧 Explore Switch(CLLI: LNPKMIATDS0))
313-294-9XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	DETROITZN6	LNPKMIATDS0	N/A	Prefix Type: RBOC Switch Name: LINCOLN PARK DS0 Switch Type: 5ESS LATA: Detroit MI (340) Tandem: DTRTMIVW20T 🔧 Explore Switch(CLLI: LNPKMIATDS0))
313-295	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	DETROITZN6	TAYLMIWKDS0	00/00/0000	Prefix Type: RBOC Switch Name: TAYLOR WICK Switch Type: 5ESS LATA: Detroit MI (340) Tandem: WAYNMIMN20T 🔧 Explore Switch(CLLI: TAYLMIWKDS0))
313-297	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	DETROITZN6	DTRTMIVWDS0	00/00/0000	Prefix Type: RBOC Switch Name: DTRT VINEWOOD DS0 Switch Type: DMS100 LATA: Detroit MI (340) Tandem: DTRTMIVW20T 🔧 Explore Switch(CLLI: DTRTMIVWDS0))
313-298	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	DETROITZN1	DTRTMIMDRPA	00/00/0000	Prefix Type: RBOC Switch Name: DETROIT Switch Type: N/A LATA: Detroit MI (340) Tandem: N/A 🔧 Explore Switch(CLLI: DTRTMIMDRPA))
313-299	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	DETROITZN6	TAYLMIWKDS0	00/00/0000	Prefix Type: RBOC Switch Name: TAYLOR WICK Switch Type: 5ESS LATA: Detroit MI (340) Tandem: WAYNMIMN20T 🔧 Explore Switch(CLLI: TAYLMIWKDS0))
313-299 is split into 1,000-number blocks - detail below
313-299-0XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	DETROITZN6	TAYLMIWKDS0	N/A	Prefix Type: RBOC Switch Name: TAYLOR WICK Switch Type: 5ESS LATA: Detroit MI (340) Tandem: WAYNMIMN20T 🔧 Explore Switch(CLLI: TAYLMIWKDS0))
313-299-1XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	DETROITZN6	TAYLMIWKDS0	N/A	Prefix Type: RBOC Switch Name: TAYLOR WICK Switch Type: 5ESS LATA: Detroit MI (340) Tandem: WAYNMIMN20T 🔧 Explore Switch(CLLI: TAYLMIWKDS0))
313-299-2XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	DETROITZN6	TAYLMIWKDS0	N/A	Prefix Type: RBOC Switch Name: TAYLOR WICK Switch Type: 5ESS LATA: Detroit MI (340) Tandem: WAYNMIMN20T 🔧 Explore Switch(CLLI: TAYLMIWKDS0))
313-299-3XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	DETROITZN6	TAYLMIWKDS0	N/A	Prefix Type: RBOC Switch Name: TAYLOR WICK Switch Type: 5ESS LATA: Detroit MI (340) Tandem: WAYNMIMN20T 🔧 Explore Switch(CLLI: TAYLMIWKDS0))
313-299-4XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	DETROITZN6	TAYLMIWKDS0	N/A	Prefix Type: RBOC Switch Name: TAYLOR WICK Switch Type: 5ESS LATA: Detroit MI (340) Tandem: WAYNMIMN20T 🔧 Explore Switch(CLLI: TAYLMIWKDS0))
313-299-5XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	DETROITZN6	TAYLMIWKDS0	N/A	Prefix Type: RBOC Switch Name: TAYLOR WICK Switch Type: 5ESS LATA: Detroit MI (340) Tandem: WAYNMIMN20T 🔧 Explore Switch(CLLI: TAYLMIWKDS0))
313-299-8XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	DETROITZN6	TAYLMIWKDS0	N/A	Prefix Type: RBOC Switch Name: TAYLOR WICK Switch Type: 5ESS LATA: Detroit MI (340) Tandem: WAYNMIMN20T 🔧 Explore Switch(CLLI: TAYLMIWKDS0))
313-299-9XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	DETROITZN6	TAYLMIWKDS0	N/A	Prefix Type: RBOC Switch Name: TAYLOR WICK Switch Type: 5ESS LATA: Detroit MI (340) Tandem: WAYNMIMN20T 🔧 Explore Switch(CLLI: TAYLMIWKDS0))
313-302	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	DETROITZN5	SFLDMIOKDS0	00/00/0000	Prefix Type: RBOC Switch Name: SFLD OAKFIELD DS0 Switch Type: 5ESS LATA: Detroit MI (340) Tandem: WBFDMIMN20T 🔧 Explore Switch(CLLI: SFLDMIOKDS0))
313-317	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	DETROITZN6	DRBRMIFBDS1	00/00/0000	Prefix Type: RBOC Switch Name: DRBR FAIRBORN DS1 Switch Type: DMS100 LATA: Detroit MI (340) Tandem: DTRTMIVW20T 🔧 Explore Switch(CLLI: DRBRMIFBDS1))
313-322	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	DETROITZN6	DRBRMIFBDS1	00/00/0000	Prefix Type: RBOC Switch Name: DRBR FAIRBORN DS1 Switch Type: DMS100 LATA: Detroit MI (340) Tandem: DTRTMIVW20T 🔧 Explore Switch(CLLI: DRBRMIFBDS1))
313-323	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	DETROITZN6	DRBRMIFBDS1	00/00/0000	Prefix Type: RBOC Switch Name: DRBR FAIRBORN DS1 Switch Type: DMS100 LATA: Detroit MI (340) Tandem: DTRTMIVW20T 🔧 Explore Switch(CLLI: DRBRMIFBDS1))
313-331	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	DETROITZN2	DTRTMILXDS0	00/00/0000	Prefix Type: RBOC Switch Name: DTRT LENOX DS0 Switch Type: DMS100 LATA: Detroit MI (340) Tandem: DTRTMIBH20T 🔧 Explore Switch(CLLI: DTRTMILXDS0))
313-331 is split into 1,000-number blocks - detail below
313-331-0XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	DETROITZN2	DTRTMILXDS0	N/A	Prefix Type: RBOC Switch Name: DTRT LENOX DS0 Switch Type: DMS100 LATA: Detroit MI (340) Tandem: DTRTMIBH20T 🔧 Explore Switch(CLLI: DTRTMILXDS0))
313-331-1XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	DETROITZN2	DTRTMILXDS0	N/A	Prefix Type: RBOC Switch Name: DTRT LENOX DS0 Switch Type: DMS100 LATA: Detroit MI (340) Tandem: DTRTMIBH20T 🔧 Explore Switch(CLLI: DTRTMILXDS0))
313-331-2XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	DETROITZN2	DTRTMILXDS0	N/A	Prefix Type: RBOC Switch Name: DTRT LENOX DS0 Switch Type: DMS100 LATA: Detroit MI (340) Tandem: DTRTMIBH20T 🔧 Explore Switch(CLLI: DTRTMILXDS0))
313-331-3XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	DETROITZN2	DTRTMILXDS0	N/A	Prefix Type: RBOC Switch Name: DTRT LENOX DS0 Switch Type: DMS100 LATA: Detroit MI (340) Tandem: DTRTMIBH20T 🔧 Explore Switch(CLLI: DTRTMILXDS0))
313-331-4XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	DETROITZN2	DTRTMILXDS0	N/A	Prefix Type: RBOC Switch Name: DTRT LENOX DS0 Switch Type: DMS100 LATA: Detroit MI (340) Tandem: DTRTMIBH20T 🔧 Explore Switch(CLLI: DTRTMILXDS0))
313-331-7XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	DETROITZN2	DTRTMILXDS0	N/A	Prefix Type: RBOC Switch Name: DTRT LENOX DS0 Switch Type: DMS100 LATA: Detroit MI (340) Tandem: DTRTMIBH20T 🔧 Explore Switch(CLLI: DTRTMILXDS0))
313-331-8XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	DETROITZN2	DTRTMILXDS0	N/A	Prefix Type: RBOC Switch Name: DTRT LENOX DS0 Switch Type: DMS100 LATA: Detroit MI (340) Tandem: DTRTMIBH20T 🔧 Explore Switch(CLLI: DTRTMILXDS0))
313-335	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	DETROITZN1	DTRTMIBHDS0	00/00/0000	Prefix Type: RBOC Switch Name: DTRT HDQTRS DS0 Switch Type: DMS100 LATA: Detroit MI (340) Tandem: DTRTMIVW20T 🔧 Explore Switch(CLLI: DTRTMIBHDS0))
313-335 is split into 1,000-number blocks - detail below
313-335-0XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	DETROITZN1	DTRTMIBHDS0	N/A	Prefix Type: RBOC Switch Name: DTRT HDQTRS DS0 Switch Type: DMS100 LATA: Detroit MI (340) Tandem: DTRTMIVW20T 🔧 Explore Switch(CLLI: DTRTMIBHDS0))
313-336	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	DETROITZN6	DRBRMIFBDS0	00/00/0000	Prefix Type: RBOC Switch Name: DRBR FAIRBORN DS0 Switch Type: DMS100 LATA: Detroit MI (340) Tandem: DTRTMIVW20T 🔧 Explore Switch(CLLI: DRBRMIFBDS0))
313-337	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	DETROITZN6	DRBRMIFBDS1	00/00/0000	Prefix Type: RBOC Switch Name: DRBR FAIRBORN DS1 Switch Type: DMS100 LATA: Detroit MI (340) Tandem: DTRTMIVW20T 🔧 Explore Switch(CLLI: DRBRMIFBDS1))
313-338	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	DETROITZN1	DTRTMIBHDS1	10/11/2011	Prefix Type: RBOC Switch Name: DTRT HDQTRS DS1 Switch Type: DMS100 LATA: Detroit MI (340) Tandem: DTRTMIVW20T 🔧 Explore Switch(CLLI: DTRTMIBHDS1))
313-338 is split into 1,000-number blocks - detail below
313-338-0XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	DETROITZN1	DTRTMIBHDS1	10/11/2011	Prefix Type: RBOC Switch Name: DTRT HDQTRS DS1 Switch Type: DMS100 LATA: Detroit MI (340) Tandem: DTRTMIVW20T 🔧 Explore Switch(CLLI: DTRTMIBHDS1))
313-338-1XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	DETROITZN1	DTRTMIBHDS1	10/11/2011	Prefix Type: RBOC Switch Name: DTRT HDQTRS DS1 Switch Type: DMS100 LATA: Detroit MI (340) Tandem: DTRTMIVW20T 🔧 Explore Switch(CLLI: DTRTMIBHDS1))
313-338-2XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	DETROITZN1	DTRTMIBHDS1	10/11/2011	Prefix Type: RBOC Switch Name: DTRT HDQTRS DS1 Switch Type: DMS100 LATA: Detroit MI (340) Tandem: DTRTMIVW20T 🔧 Explore Switch(CLLI: DTRTMIBHDS1))
313-340	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	DETROITZN4	DTRTMIUVDS0	00/00/0000	Prefix Type: RBOC Switch Name: DTRT UNIVERSITY DS0 Switch Type: DMS100 LATA: Detroit MI (340) Tandem: DTRTMIVW20T 🔧 Explore Switch(CLLI: DTRTMIUVDS0))
313-340 is split into 1,000-number blocks - detail below
313-340-0XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	DETROITZN4	DTRTMIUVDS0	N/A	Prefix Type: RBOC Switch Name: DTRT UNIVERSITY DS0 Switch Type: DMS100 LATA: Detroit MI (340) Tandem: DTRTMIVW20T 🔧 Explore Switch(CLLI: DTRTMIUVDS0))
313-340-1XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	DETROITZN4	DTRTMIUVDS0	N/A	Prefix Type: RBOC Switch Name: DTRT UNIVERSITY DS0 Switch Type: DMS100 LATA: Detroit MI (340) Tandem: DTRTMIVW20T 🔧 Explore Switch(CLLI: DTRTMIUVDS0))
313-340-3XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	DETROITZN4	DTRTMIUVDS0	N/A	Prefix Type: RBOC Switch Name: DTRT UNIVERSITY DS0 Switch Type: DMS100 LATA: Detroit MI (340) Tandem: DTRTMIVW20T 🔧 Explore Switch(CLLI: DTRTMIUVDS0))
313-340-4XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	DETROITZN4	DTRTMIUVDS0	N/A	Prefix Type: RBOC Switch Name: DTRT UNIVERSITY DS0 Switch Type: DMS100 LATA: Detroit MI (340) Tandem: DTRTMIVW20T 🔧 Explore Switch(CLLI: DTRTMIUVDS0))
313-340-5XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	DETROITZN4	DTRTMIUVDS0	N/A	Prefix Type: RBOC Switch Name: DTRT UNIVERSITY DS0 Switch Type: DMS100 LATA: Detroit MI (340) Tandem: DTRTMIVW20T 🔧 Explore Switch(CLLI: DTRTMIUVDS0))
313-340-6XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	DETROITZN4	DTRTMIUVDS0	N/A	Prefix Type: RBOC Switch Name: DTRT UNIVERSITY DS0 Switch Type: DMS100 LATA: Detroit MI (340) Tandem: DTRTMIVW20T 🔧 Explore Switch(CLLI: DTRTMIUVDS0))
313-340-7XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	DETROITZN4	DTRTMIUVDS0	N/A	Prefix Type: RBOC Switch Name: DTRT UNIVERSITY DS0 Switch Type: DMS100 LATA: Detroit MI (340) Tandem: DTRTMIVW20T 🔧 Explore Switch(CLLI: DTRTMIUVDS0))
313-340-8XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	DETROITZN4	DTRTMIUVDS0	N/A	Prefix Type: RBOC Switch Name: DTRT UNIVERSITY DS0 Switch Type: DMS100 LATA: Detroit MI (340) Tandem: DTRTMIVW20T 🔧 Explore Switch(CLLI: DTRTMIUVDS0))
313-341	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	DETROITZN4	DTRTMIUVDS0	00/00/0000	Prefix Type: RBOC Switch Name: DTRT UNIVERSITY DS0 Switch Type: DMS100 LATA: Detroit MI (340) Tandem: DTRTMIVW20T 🔧 Explore Switch(CLLI: DTRTMIUVDS0))
313-342	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	DETROITZN4	DTRTMIUVDS0	00/00/0000	Prefix Type: RBOC Switch Name: DTRT UNIVERSITY DS0 Switch Type: DMS100 LATA: Detroit MI (340) Tandem: DTRTMIVW20T 🔧 Explore Switch(CLLI: DTRTMIUVDS0))
313-343	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	DETROITZN2	DTRTMINIDS0	00/00/0000	Prefix Type: RBOC Switch Name: DTRT NIAGARA Switch Type: 5ESS LATA: Detroit MI (340) Tandem: DTRTMIVW20T 🔧 Explore Switch(CLLI: DTRTMINIDS0))
313-343 is split into 1,000-number blocks - detail below
313-343-0XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	DETROITZN2	DTRTMINIDS0	N/A	Prefix Type: RBOC Switch Name: DTRT NIAGARA Switch Type: 5ESS LATA: Detroit MI (340) Tandem: DTRTMIVW20T 🔧 Explore Switch(CLLI: DTRTMINIDS0))
313-343-2XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	DETROITZN2	DTRTMINIDS0	N/A	Prefix Type: RBOC Switch Name: DTRT NIAGARA Switch Type: 5ESS LATA: Detroit MI (340) Tandem: DTRTMIVW20T 🔧 Explore Switch(CLLI: DTRTMINIDS0))
313-343-3XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	DETROITZN2	DTRTMINIDS0	N/A	Prefix Type: RBOC Switch Name: DTRT NIAGARA Switch Type: 5ESS LATA: Detroit MI (340) Tandem: DTRTMIVW20T 🔧 Explore Switch(CLLI: DTRTMINIDS0))
313-343-4XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	DETROITZN2	DTRTMINIDS0	N/A	Prefix Type: RBOC Switch Name: DTRT NIAGARA Switch Type: 5ESS LATA: Detroit MI (340) Tandem: DTRTMIVW20T 🔧 Explore Switch(CLLI: DTRTMINIDS0))
313-343-5XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	DETROITZN2	DTRTMINIDS0	N/A	Prefix Type: RBOC Switch Name: DTRT NIAGARA Switch Type: 5ESS LATA: Detroit MI (340) Tandem: DTRTMIVW20T 🔧 Explore Switch(CLLI: DTRTMINIDS0))
313-343-6XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	DETROITZN2	DTRTMINIDS0	N/A	Prefix Type: RBOC Switch Name: DTRT NIAGARA Switch Type: 5ESS LATA: Detroit MI (340) Tandem: DTRTMIVW20T 🔧 Explore Switch(CLLI: DTRTMINIDS0))
313-343-7XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	DETROITZN2	DTRTMINIDS0	N/A	Prefix Type: RBOC Switch Name: DTRT NIAGARA Switch Type: 5ESS LATA: Detroit MI (340) Tandem: DTRTMIVW20T 🔧 Explore Switch(CLLI: DTRTMINIDS0))
313-343-8XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	DETROITZN2	DTRTMINIDS0	N/A	Prefix Type: RBOC Switch Name: DTRT NIAGARA Switch Type: 5ESS LATA: Detroit MI (340) Tandem: DTRTMIVW20T 🔧 Explore Switch(CLLI: DTRTMINIDS0))
313-343-9XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	DETROITZN2	DTRTMINIDS0	N/A	Prefix Type: RBOC Switch Name: DTRT NIAGARA Switch Type: 5ESS LATA: Detroit MI (340) Tandem: DTRTMIVW20T 🔧 Explore Switch(CLLI: DTRTMINIDS0))
313-345	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	DETROITZN4	DTRTMIUVDS0	00/00/0000	Prefix Type: RBOC Switch Name: DTRT UNIVERSITY DS0 Switch Type: DMS100 LATA: Detroit MI (340) Tandem: DTRTMIVW20T 🔧 Explore Switch(CLLI: DTRTMIUVDS0))
313-359	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	DETROITZN6	DRBRMIDBDS0	00/00/0000	Prefix Type: RBOC Switch Name: DEARBORN DS0 Switch Type: 5ESS LATA: Detroit MI (340) Tandem: WAYNMIMN20T 🔧 Explore Switch(CLLI: DRBRMIDBDS0))
313-359 is split into 1,000-number blocks - detail below
313-359-0XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	DETROITZN6	DRBRMIDBDS0	N/A	Prefix Type: RBOC Switch Name: DEARBORN DS0 Switch Type: 5ESS LATA: Detroit MI (340) Tandem: WAYNMIMN20T 🔧 Explore Switch(CLLI: DRBRMIDBDS0))
313-359-1XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	DETROITZN6	DRBRMIDBDS0	N/A	Prefix Type: RBOC Switch Name: DEARBORN DS0 Switch Type: 5ESS LATA: Detroit MI (340) Tandem: WAYNMIMN20T 🔧 Explore Switch(CLLI: DRBRMIDBDS0))
313-359-2XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	DETROITZN6	DRBRMIDBDS0	N/A	Prefix Type: RBOC Switch Name: DEARBORN DS0 Switch Type: 5ESS LATA: Detroit MI (340) Tandem: WAYNMIMN20T 🔧 Explore Switch(CLLI: DRBRMIDBDS0))
313-359-3XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	DETROITZN6	DRBRMIDBDS0	N/A	Prefix Type: RBOC Switch Name: DEARBORN DS0 Switch Type: 5ESS LATA: Detroit MI (340) Tandem: WAYNMIMN20T 🔧 Explore Switch(CLLI: DRBRMIDBDS0))
313-359-4XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	DETROITZN6	DRBRMIDBDS0	N/A	Prefix Type: RBOC Switch Name: DEARBORN DS0 Switch Type: 5ESS LATA: Detroit MI (340) Tandem: WAYNMIMN20T 🔧 Explore Switch(CLLI: DRBRMIDBDS0))
313-359-5XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	DETROITZN6	DRBRMIDBDS0	N/A	Prefix Type: RBOC Switch Name: DEARBORN DS0 Switch Type: 5ESS LATA: Detroit MI (340) Tandem: WAYNMIMN20T 🔧 Explore Switch(CLLI: DRBRMIDBDS0))
313-359-6XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	DETROITZN6	DRBRMIDBDS0	N/A	Prefix Type: RBOC Switch Name: DEARBORN DS0 Switch Type: 5ESS LATA: Detroit MI (340) Tandem: WAYNMIMN20T 🔧 Explore Switch(CLLI: DRBRMIDBDS0))
313-359-7XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	DETROITZN6	DRBRMIDBDS0	N/A	Prefix Type: RBOC Switch Name: DEARBORN DS0 Switch Type: 5ESS LATA: Detroit MI (340) Tandem: WAYNMIMN20T 🔧 Explore Switch(CLLI: DRBRMIDBDS0))
313-359-9XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	DETROITZN6	DRBRMIDBDS0	N/A	Prefix Type: RBOC Switch Name: DEARBORN DS0 Switch Type: 5ESS LATA: Detroit MI (340) Tandem: WAYNMIMN20T 🔧 Explore Switch(CLLI: DRBRMIDBDS0))
313-361	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	DETROITZN1	DTRTMITEDS0	00/00/0000	Prefix Type: RBOC Switch Name: DTRT TYLER DS0 Switch Type: DMS100 LATA: Detroit MI (340) Tandem: DTRTMIBH20T 🔧 Explore Switch(CLLI: DTRTMITEDS0))
313-365	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	DETROITZN3	DTRTMIPEDS0	00/00/0000	Prefix Type: RBOC Switch Name: DTRT PLAZA DS0 Switch Type: DMS100 LATA: Detroit MI (340) Tandem: DTRTMIBH20T 🔧 Explore Switch(CLLI: DTRTMIPEDS0))
313-365 is split into 1,000-number blocks - detail below
313-365-1XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	DETROITZN3	DTRTMIPEDS0	N/A	Prefix Type: RBOC Switch Name: DTRT PLAZA DS0 Switch Type: DMS100 LATA: Detroit MI (340) Tandem: DTRTMIBH20T 🔧 Explore Switch(CLLI: DTRTMIPEDS0))
313-365-2XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	DETROITZN3	DTRTMIPEDS0	N/A	Prefix Type: RBOC Switch Name: DTRT PLAZA DS0 Switch Type: DMS100 LATA: Detroit MI (340) Tandem: DTRTMIBH20T 🔧 Explore Switch(CLLI: DTRTMIPEDS0))
313-365-5XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	DETROITZN3	DTRTMIPEDS0	N/A	Prefix Type: RBOC Switch Name: DTRT PLAZA DS0 Switch Type: DMS100 LATA: Detroit MI (340) Tandem: DTRTMIBH20T 🔧 Explore Switch(CLLI: DTRTMIPEDS0))
313-365-6XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	DETROITZN3	DTRTMIPEDS0	N/A	Prefix Type: RBOC Switch Name: DTRT PLAZA DS0 Switch Type: DMS100 LATA: Detroit MI (340) Tandem: DTRTMIBH20T 🔧 Explore Switch(CLLI: DTRTMIPEDS0))
313-365-8XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	DETROITZN3	DTRTMIPEDS0	N/A	Prefix Type: RBOC Switch Name: DTRT PLAZA DS0 Switch Type: DMS100 LATA: Detroit MI (340) Tandem: DTRTMIBH20T 🔧 Explore Switch(CLLI: DTRTMIPEDS0))
313-365-9XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	DETROITZN3	DTRTMIPEDS0	N/A	Prefix Type: RBOC Switch Name: DTRT PLAZA DS0 Switch Type: DMS100 LATA: Detroit MI (340) Tandem: DTRTMIBH20T 🔧 Explore Switch(CLLI: DTRTMIPEDS0))
313-366	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	DETROITZN3	DTRTMITWDS0	00/00/0000	Prefix Type: RBOC Switch Name: DRTR TWINBROOK DS0 Switch Type: DMS100 LATA: Detroit MI (340) Tandem: DTRTMIBH20T 🔧 Explore Switch(CLLI: DTRTMITWDS0))
313-368	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	DETROITZN3	DTRTMITWDS0	00/00/0000	Prefix Type: RBOC Switch Name: DRTR TWINBROOK DS0 Switch Type: DMS100 LATA: Detroit MI (340) Tandem: DTRTMIBH20T 🔧 Explore Switch(CLLI: DTRTMITWDS0))
313-369	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	DETROITZN3	DTRTMITWDS0	00/00/0000	Prefix Type: RBOC Switch Name: DRTR TWINBROOK DS0 Switch Type: DMS100 LATA: Detroit MI (340) Tandem: DTRTMIBH20T 🔧 Explore Switch(CLLI: DTRTMITWDS0))
313-371	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	DETROITZN2	DTRTMIPGDS0	00/00/0000	Prefix Type: RBOC Switch Name: DTRT PINGREE DS0 Switch Type: DMS100 LATA: Detroit MI (340) Tandem: DTRTMIVW20T 🔧 Explore Switch(CLLI: DTRTMIPGDS0))
313-372	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	DETROITZN2	DTRTMIPGDS0	00/00/0000	Prefix Type: RBOC Switch Name: DTRT PINGREE DS0 Switch Type: DMS100 LATA: Detroit MI (340) Tandem: DTRTMIVW20T 🔧 Explore Switch(CLLI: DTRTMIPGDS0))
313-373	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	DETROITZN1	DTRTMIBLRPA	10/06/2009	Prefix Type: RBOC Switch Name: DETROIT Switch Type: N/A LATA: Detroit MI (340) Tandem: N/A 🔧 Explore Switch(CLLI: DTRTMIBLRPA))
313-373 is split into 1,000-number blocks - detail below
313-373-0XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	DETROITZN1	DTRTMIBLRPA	10/07/2009	Prefix Type: RBOC Switch Name: DETROIT Switch Type: N/A LATA: Detroit MI (340) Tandem: N/A 🔧 Explore Switch(CLLI: DTRTMIBLRPA))
313-373-1XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	DETROITZN1	DTRTMIBLRPA	10/07/2009	Prefix Type: RBOC Switch Name: DETROIT Switch Type: N/A LATA: Detroit MI (340) Tandem: N/A 🔧 Explore Switch(CLLI: DTRTMIBLRPA))
313-373-2XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	DETROITZN1	DTRTMIBLRPA	10/07/2009	Prefix Type: RBOC Switch Name: DETROIT Switch Type: N/A LATA: Detroit MI (340) Tandem: N/A 🔧 Explore Switch(CLLI: DTRTMIBLRPA))
313-373-3XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	DETROITZN1	DTRTMIBLRPA	10/07/2009	Prefix Type: RBOC Switch Name: DETROIT Switch Type: N/A LATA: Detroit MI (340) Tandem: N/A 🔧 Explore Switch(CLLI: DTRTMIBLRPA))
313-373-4XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	DETROITZN1	DTRTMIBLRPA	10/07/2009	Prefix Type: RBOC Switch Name: DETROIT Switch Type: N/A LATA: Detroit MI (340) Tandem: N/A 🔧 Explore Switch(CLLI: DTRTMIBLRPA))
313-373-5XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	DETROITZN1	DTRTMIBLRPA	10/07/2009	Prefix Type: RBOC Switch Name: DETROIT Switch Type: N/A LATA: Detroit MI (340) Tandem: N/A 🔧 Explore Switch(CLLI: DTRTMIBLRPA))
313-373-6XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	DETROITZN1	DTRTMIBLRPA	10/07/2009	Prefix Type: RBOC Switch Name: DETROIT Switch Type: N/A LATA: Detroit MI (340) Tandem: N/A 🔧 Explore Switch(CLLI: DTRTMIBLRPA))
313-373-7XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	DETROITZN1	DTRTMIBLRPA	10/07/2009	Prefix Type: RBOC Switch Name: DETROIT Switch Type: N/A LATA: Detroit MI (340) Tandem: N/A 🔧 Explore Switch(CLLI: DTRTMIBLRPA))
313-373-8XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	DETROITZN1	DTRTMIBLRPA	10/07/2009	Prefix Type: RBOC Switch Name: DETROIT Switch Type: N/A LATA: Detroit MI (340) Tandem: N/A 🔧 Explore Switch(CLLI: DTRTMIBLRPA))
313-373-9XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	DETROITZN1	DTRTMIBLRPA	10/07/2009	Prefix Type: RBOC Switch Name: DETROIT Switch Type: N/A LATA: Detroit MI (340) Tandem: N/A 🔧 Explore Switch(CLLI: DTRTMIBLRPA))
313-375	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	DETROITZN6	TAYLMIWKDS0	00/00/0000	Prefix Type: RBOC Switch Name: TAYLOR WICK Switch Type: 5ESS LATA: Detroit MI (340) Tandem: WAYNMIMN20T 🔧 Explore Switch(CLLI: TAYLMIWKDS0))
313-375 is split into 1,000-number blocks - detail below
313-375-2XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	DETROITZN6	TAYLMIWKDS0	N/A	Prefix Type: RBOC Switch Name: TAYLOR WICK Switch Type: 5ESS LATA: Detroit MI (340) Tandem: WAYNMIMN20T 🔧 Explore Switch(CLLI: TAYLMIWKDS0))
313-375-7XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	DETROITZN6	TAYLMIWKDS0	N/A	Prefix Type: RBOC Switch Name: TAYLOR WICK Switch Type: 5ESS LATA: Detroit MI (340) Tandem: WAYNMIMN20T 🔧 Explore Switch(CLLI: TAYLMIWKDS0))
313-381	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	DETROITZN6	LNPKMIATDS0	00/00/0000	Prefix Type: RBOC Switch Name: LINCOLN PARK DS0 Switch Type: 5ESS LATA: Detroit MI (340) Tandem: DTRTMIVW20T 🔧 Explore Switch(CLLI: LNPKMIATDS0))
313-382	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	DETROITZN6	LNPKMIATDS0	00/00/0000	Prefix Type: RBOC Switch Name: LINCOLN PARK DS0 Switch Type: 5ESS LATA: Detroit MI (340) Tandem: DTRTMIVW20T 🔧 Explore Switch(CLLI: LNPKMIATDS0))
313-383	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	DETROITZN6	LNPKMIATDS0	00/00/0000	Prefix Type: RBOC Switch Name: LINCOLN PARK DS0 Switch Type: 5ESS LATA: Detroit MI (340) Tandem: DTRTMIVW20T 🔧 Explore Switch(CLLI: LNPKMIATDS0))
313-386	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	DETROITZN6	LNPKMIATDS0	00/00/0000	Prefix Type: RBOC Switch Name: LINCOLN PARK DS0 Switch Type: 5ESS LATA: Detroit MI (340) Tandem: DTRTMIVW20T 🔧 Explore Switch(CLLI: LNPKMIATDS0))
313-387	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	DETROITZN5	DTRTMIRFDS0	00/00/0000	Prefix Type: RBOC Switch Name: DTRT REDFORD DS0 Switch Type: EWSD LATA: Detroit MI (340) Tandem: DTRTMIVW20T 🔧 Explore Switch(CLLI: DTRTMIRFDS0))
313-388	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	DETROITZN6	LNPKMIATDS0	00/00/0000	Prefix Type: RBOC Switch Name: LINCOLN PARK DS0 Switch Type: 5ESS LATA: Detroit MI (340) Tandem: DTRTMIVW20T 🔧 Explore Switch(CLLI: LNPKMIATDS0))
313-389	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	DETROITZN6	LNPKMIATDS0	00/00/0000	Prefix Type: RBOC Switch Name: LINCOLN PARK DS0 Switch Type: 5ESS LATA: Detroit MI (340) Tandem: DTRTMIVW20T 🔧 Explore Switch(CLLI: LNPKMIATDS0))
313-389 is split into 1,000-number blocks - detail below
313-389-0XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	DETROITZN6	LNPKMIATDS0	N/A	Prefix Type: RBOC Switch Name: LINCOLN PARK DS0 Switch Type: 5ESS LATA: Detroit MI (340) Tandem: DTRTMIVW20T 🔧 Explore Switch(CLLI: LNPKMIATDS0))
313-389-1XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	DETROITZN6	LNPKMIATDS0	N/A	Prefix Type: RBOC Switch Name: LINCOLN PARK DS0 Switch Type: 5ESS LATA: Detroit MI (340) Tandem: DTRTMIVW20T 🔧 Explore Switch(CLLI: LNPKMIATDS0))
313-389-2XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	DETROITZN6	LNPKMIATDS0	N/A	Prefix Type: RBOC Switch Name: LINCOLN PARK DS0 Switch Type: 5ESS LATA: Detroit MI (340) Tandem: DTRTMIVW20T 🔧 Explore Switch(CLLI: LNPKMIATDS0))
313-389-3XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	DETROITZN6	LNPKMIATDS0	N/A	Prefix Type: RBOC Switch Name: LINCOLN PARK DS0 Switch Type: 5ESS LATA: Detroit MI (340) Tandem: DTRTMIVW20T 🔧 Explore Switch(CLLI: LNPKMIATDS0))
313-389-4XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	DETROITZN6	LNPKMIATDS0	N/A	Prefix Type: RBOC Switch Name: LINCOLN PARK DS0 Switch Type: 5ESS LATA: Detroit MI (340) Tandem: DTRTMIVW20T 🔧 Explore Switch(CLLI: LNPKMIATDS0))
313-389-5XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	DETROITZN6	LNPKMIATDS0	N/A	Prefix Type: RBOC Switch Name: LINCOLN PARK DS0 Switch Type: 5ESS LATA: Detroit MI (340) Tandem: DTRTMIVW20T 🔧 Explore Switch(CLLI: LNPKMIATDS0))
313-389-7XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	DETROITZN6	LNPKMIATDS0	N/A	Prefix Type: RBOC Switch Name: LINCOLN PARK DS0 Switch Type: 5ESS LATA: Detroit MI (340) Tandem: DTRTMIVW20T 🔧 Explore Switch(CLLI: LNPKMIATDS0))
313-389-8XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	DETROITZN6	LNPKMIATDS0	N/A	Prefix Type: RBOC Switch Name: LINCOLN PARK DS0 Switch Type: 5ESS LATA: Detroit MI (340) Tandem: DTRTMIVW20T 🔧 Explore Switch(CLLI: LNPKMIATDS0))
313-389-9XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	DETROITZN6	LNPKMIATDS0	N/A	Prefix Type: RBOC Switch Name: LINCOLN PARK DS0 Switch Type: 5ESS LATA: Detroit MI (340) Tandem: DTRTMIVW20T 🔧 Explore Switch(CLLI: LNPKMIATDS0))
313-390	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	DETROITZN6	DRBRMIFBDS1	00/00/0000	Prefix Type: RBOC Switch Name: DRBR FAIRBORN DS1 Switch Type: DMS100 LATA: Detroit MI (340) Tandem: DTRTMIVW20T 🔧 Explore Switch(CLLI: DRBRMIFBDS1))
313-392	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	DETROITZN1	DTRTMIRVDS0	00/00/0000	Prefix Type: RBOC Switch Name: DTRT RIVERFRONT DS0 Switch Type: DMS100 LATA: Detroit MI (340) Tandem: DTRTMIVW20T 🔧 Explore Switch(CLLI: DTRTMIRVDS0))
313-392 is split into 1,000-number blocks - detail below
313-392-0XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	DETROITZN1	DTRTMIRVDS0	N/A	Prefix Type: RBOC Switch Name: DTRT RIVERFRONT DS0 Switch Type: DMS100 LATA: Detroit MI (340) Tandem: DTRTMIVW20T 🔧 Explore Switch(CLLI: DTRTMIRVDS0))
313-392-1XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	DETROITZN1	DTRTMIRVDS0	N/A	Prefix Type: RBOC Switch Name: DTRT RIVERFRONT DS0 Switch Type: DMS100 LATA: Detroit MI (340) Tandem: DTRTMIVW20T 🔧 Explore Switch(CLLI: DTRTMIRVDS0))
313-392-2XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	DETROITZN1	DTRTMIRVDS0	N/A	Prefix Type: RBOC Switch Name: DTRT RIVERFRONT DS0 Switch Type: DMS100 LATA: Detroit MI (340) Tandem: DTRTMIVW20T 🔧 Explore Switch(CLLI: DTRTMIRVDS0))
313-392-4XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	DETROITZN1	DTRTMIRVDS0	N/A	Prefix Type: RBOC Switch Name: DTRT RIVERFRONT DS0 Switch Type: DMS100 LATA: Detroit MI (340) Tandem: DTRTMIVW20T 🔧 Explore Switch(CLLI: DTRTMIRVDS0))
313-392-5XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	DETROITZN1	DTRTMIRVDS0	N/A	Prefix Type: RBOC Switch Name: DTRT RIVERFRONT DS0 Switch Type: DMS100 LATA: Detroit MI (340) Tandem: DTRTMIVW20T 🔧 Explore Switch(CLLI: DTRTMIRVDS0))
313-392-6XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	DETROITZN1	DTRTMIRVDS0	N/A	Prefix Type: RBOC Switch Name: DTRT RIVERFRONT DS0 Switch Type: DMS100 LATA: Detroit MI (340) Tandem: DTRTMIVW20T 🔧 Explore Switch(CLLI: DTRTMIRVDS0))
313-392-7XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	DETROITZN1	DTRTMIRVDS0	N/A	Prefix Type: RBOC Switch Name: DTRT RIVERFRONT DS0 Switch Type: DMS100 LATA: Detroit MI (340) Tandem: DTRTMIVW20T 🔧 Explore Switch(CLLI: DTRTMIRVDS0))
313-392-8XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	DETROITZN1	DTRTMIRVDS0	N/A	Prefix Type: RBOC Switch Name: DTRT RIVERFRONT DS0 Switch Type: DMS100 LATA: Detroit MI (340) Tandem: DTRTMIVW20T 🔧 Explore Switch(CLLI: DTRTMIRVDS0))
313-392-9XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	DETROITZN1	DTRTMIRVDS0	N/A	Prefix Type: RBOC Switch Name: DTRT RIVERFRONT DS0 Switch Type: DMS100 LATA: Detroit MI (340) Tandem: DTRTMIVW20T 🔧 Explore Switch(CLLI: DTRTMIRVDS0))
313-393	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	DETROITZN1	DTRTMIRVDS0	00/00/0000	Prefix Type: RBOC Switch Name: DTRT RIVERFRONT DS0 Switch Type: DMS100 LATA: Detroit MI (340) Tandem: DTRTMIVW20T 🔧 Explore Switch(CLLI: DTRTMIRVDS0))
313-394	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	DETROITZN1	DTRTMIRVDS0	00/00/0000	Prefix Type: RBOC Switch Name: DTRT RIVERFRONT DS0 Switch Type: DMS100 LATA: Detroit MI (340) Tandem: DTRTMIVW20T 🔧 Explore Switch(CLLI: DTRTMIRVDS0))
313-394 is split into 1,000-number blocks - detail below
313-394-0XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	DETROITZN1	DTRTMIRVDS0	N/A	Prefix Type: RBOC Switch Name: DTRT RIVERFRONT DS0 Switch Type: DMS100 LATA: Detroit MI (340) Tandem: DTRTMIVW20T 🔧 Explore Switch(CLLI: DTRTMIRVDS0))
313-394-2XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	DETROITZN1	DTRTMIRVDS0	N/A	Prefix Type: RBOC Switch Name: DTRT RIVERFRONT DS0 Switch Type: DMS100 LATA: Detroit MI (340) Tandem: DTRTMIVW20T 🔧 Explore Switch(CLLI: DTRTMIRVDS0))
313-394-3XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	DETROITZN1	DTRTMIRVDS0	N/A	Prefix Type: RBOC Switch Name: DTRT RIVERFRONT DS0 Switch Type: DMS100 LATA: Detroit MI (340) Tandem: DTRTMIVW20T 🔧 Explore Switch(CLLI: DTRTMIRVDS0))
313-394-4XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	DETROITZN1	DTRTMIRVDS0	N/A	Prefix Type: RBOC Switch Name: DTRT RIVERFRONT DS0 Switch Type: DMS100 LATA: Detroit MI (340) Tandem: DTRTMIVW20T 🔧 Explore Switch(CLLI: DTRTMIRVDS0))
313-394-5XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	DETROITZN1	DTRTMIRVDS0	N/A	Prefix Type: RBOC Switch Name: DTRT RIVERFRONT DS0 Switch Type: DMS100 LATA: Detroit MI (340) Tandem: DTRTMIVW20T 🔧 Explore Switch(CLLI: DTRTMIRVDS0))
313-394-6XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	DETROITZN1	DTRTMIRVDS0	N/A	Prefix Type: RBOC Switch Name: DTRT RIVERFRONT DS0 Switch Type: DMS100 LATA: Detroit MI (340) Tandem: DTRTMIVW20T 🔧 Explore Switch(CLLI: DTRTMIRVDS0))
313-396	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	DETROITZN1	DTRTMIRVDS0	00/00/0000	Prefix Type: RBOC Switch Name: DTRT RIVERFRONT DS0 Switch Type: DMS100 LATA: Detroit MI (340) Tandem: DTRTMIVW20T 🔧 Explore Switch(CLLI: DTRTMIRVDS0))
313-417	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	DETROITZN2	DTRTMINIDS0	00/00/0000	Prefix Type: RBOC Switch Name: DTRT NIAGARA Switch Type: 5ESS LATA: Detroit MI (340) Tandem: DTRTMIVW20T 🔧 Explore Switch(CLLI: DTRTMINIDS0))
313-417 is split into 1,000-number blocks - detail below
313-417-0XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	DETROITZN2	DTRTMINIDS0	N/A	Prefix Type: RBOC Switch Name: DTRT NIAGARA Switch Type: 5ESS LATA: Detroit MI (340) Tandem: DTRTMIVW20T 🔧 Explore Switch(CLLI: DTRTMINIDS0))
313-417-1XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	DETROITZN2	DTRTMINIDS0	N/A	Prefix Type: RBOC Switch Name: DTRT NIAGARA Switch Type: 5ESS LATA: Detroit MI (340) Tandem: DTRTMIVW20T 🔧 Explore Switch(CLLI: DTRTMINIDS0))
313-417-2XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	DETROITZN2	DTRTMINIDS0	N/A	Prefix Type: RBOC Switch Name: DTRT NIAGARA Switch Type: 5ESS LATA: Detroit MI (340) Tandem: DTRTMIVW20T 🔧 Explore Switch(CLLI: DTRTMINIDS0))
313-417-3XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	DETROITZN2	DTRTMINIDS0	N/A	Prefix Type: RBOC Switch Name: DTRT NIAGARA Switch Type: 5ESS LATA: Detroit MI (340) Tandem: DTRTMIVW20T 🔧 Explore Switch(CLLI: DTRTMINIDS0))
313-417-7XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	DETROITZN2	DTRTMINIDS0	N/A	Prefix Type: RBOC Switch Name: DTRT NIAGARA Switch Type: 5ESS LATA: Detroit MI (340) Tandem: DTRTMIVW20T 🔧 Explore Switch(CLLI: DTRTMINIDS0))
313-417-8XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	DETROITZN2	DTRTMINIDS0	N/A	Prefix Type: RBOC Switch Name: DTRT NIAGARA Switch Type: 5ESS LATA: Detroit MI (340) Tandem: DTRTMIVW20T 🔧 Explore Switch(CLLI: DTRTMINIDS0))
313-417-9XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	DETROITZN2	DTRTMINIDS0	N/A	Prefix Type: RBOC Switch Name: DTRT NIAGARA Switch Type: 5ESS LATA: Detroit MI (340) Tandem: DTRTMIVW20T 🔧 Explore Switch(CLLI: DTRTMINIDS0))
313-425	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	DETROITZN6	DRBRMIFBDS0	00/00/0000	Prefix Type: RBOC Switch Name: DRBR FAIRBORN DS0 Switch Type: DMS100 LATA: Detroit MI (340) Tandem: DTRTMIVW20T 🔧 Explore Switch(CLLI: DRBRMIFBDS0))
313-425 is split into 1,000-number blocks - detail below
313-425-0XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	DETROITZN6	DRBRMIFBDS0	N/A	Prefix Type: RBOC Switch Name: DRBR FAIRBORN DS0 Switch Type: DMS100 LATA: Detroit MI (340) Tandem: DTRTMIVW20T 🔧 Explore Switch(CLLI: DRBRMIFBDS0))
313-425-2XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	DETROITZN6	DRBRMIFBDS0	N/A	Prefix Type: RBOC Switch Name: DRBR FAIRBORN DS0 Switch Type: DMS100 LATA: Detroit MI (340) Tandem: DTRTMIVW20T 🔧 Explore Switch(CLLI: DRBRMIFBDS0))
313-425-3XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	DETROITZN6	DRBRMIFBDS0	N/A	Prefix Type: RBOC Switch Name: DRBR FAIRBORN DS0 Switch Type: DMS100 LATA: Detroit MI (340) Tandem: DTRTMIVW20T 🔧 Explore Switch(CLLI: DRBRMIFBDS0))
313-425-4XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	DETROITZN6	DRBRMIFBDS0	N/A	Prefix Type: RBOC Switch Name: DRBR FAIRBORN DS0 Switch Type: DMS100 LATA: Detroit MI (340) Tandem: DTRTMIVW20T 🔧 Explore Switch(CLLI: DRBRMIFBDS0))
313-426 is split into 1,000-number blocks - detail below
313-426-5XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	DETROITZN1	DTRTMIBHDS1	06/12/2017	Prefix Type: RBOC Switch Name: DTRT HDQTRS DS1 Switch Type: DMS100 LATA: Detroit MI (340) Tandem: DTRTMIVW20T 🔧 Explore Switch(CLLI: DTRTMIBHDS1))
313-426-6XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	DETROITZN1	DTRTMIBHDS1	06/12/2017	Prefix Type: RBOC Switch Name: DTRT HDQTRS DS1 Switch Type: DMS100 LATA: Detroit MI (340) Tandem: DTRTMIVW20T 🔧 Explore Switch(CLLI: DTRTMIBHDS1))
313-436	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	DETROITZN6	DRBRMIFBDS0	00/00/0000	Prefix Type: RBOC Switch Name: DRBR FAIRBORN DS0 Switch Type: DMS100 LATA: Detroit MI (340) Tandem: DTRTMIVW20T 🔧 Explore Switch(CLLI: DRBRMIFBDS0))
313-436 is split into 1,000-number blocks - detail below
313-436-2XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	DETROITZN6	DRBRMIFBDS0	N/A	Prefix Type: RBOC Switch Name: DRBR FAIRBORN DS0 Switch Type: DMS100 LATA: Detroit MI (340) Tandem: DTRTMIVW20T 🔧 Explore Switch(CLLI: DRBRMIFBDS0))
313-436-3XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	DETROITZN6	DRBRMIFBDS0	N/A	Prefix Type: RBOC Switch Name: DRBR FAIRBORN DS0 Switch Type: DMS100 LATA: Detroit MI (340) Tandem: DTRTMIVW20T 🔧 Explore Switch(CLLI: DRBRMIFBDS0))
313-436-7XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	DETROITZN6	DRBRMIFBDS0	N/A	Prefix Type: RBOC Switch Name: DRBR FAIRBORN DS0 Switch Type: DMS100 LATA: Detroit MI (340) Tandem: DTRTMIVW20T 🔧 Explore Switch(CLLI: DRBRMIFBDS0))
313-436-8XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	DETROITZN6	DRBRMIFBDS0	N/A	Prefix Type: RBOC Switch Name: DRBR FAIRBORN DS0 Switch Type: DMS100 LATA: Detroit MI (340) Tandem: DTRTMIVW20T 🔧 Explore Switch(CLLI: DRBRMIFBDS0))
313-436-9XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	DETROITZN6	DRBRMIFBDS0	N/A	Prefix Type: RBOC Switch Name: DRBR FAIRBORN DS0 Switch Type: DMS100 LATA: Detroit MI (340) Tandem: DTRTMIVW20T 🔧 Explore Switch(CLLI: DRBRMIFBDS0))
313-438	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	DETROITZN6	DRBRMIFBDS0	00/00/0000	Prefix Type: RBOC Switch Name: DRBR FAIRBORN DS0 Switch Type: DMS100 LATA: Detroit MI (340) Tandem: DTRTMIVW20T 🔧 Explore Switch(CLLI: DRBRMIFBDS0))
313-438 is split into 1,000-number blocks - detail below
313-438-7XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	DETROITZN6	DRBRMIFBDS0	N/A	Prefix Type: RBOC Switch Name: DRBR FAIRBORN DS0 Switch Type: DMS100 LATA: Detroit MI (340) Tandem: DTRTMIVW20T 🔧 Explore Switch(CLLI: DRBRMIFBDS0))
313-438-9XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	DETROITZN6	DRBRMIFBDS0	N/A	Prefix Type: RBOC Switch Name: DRBR FAIRBORN DS0 Switch Type: DMS100 LATA: Detroit MI (340) Tandem: DTRTMIVW20T 🔧 Explore Switch(CLLI: DRBRMIFBDS0))
313-441	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	DETROITZN6	DRBRMIFBDS0	00/00/0000	Prefix Type: RBOC Switch Name: DRBR FAIRBORN DS0 Switch Type: DMS100 LATA: Detroit MI (340) Tandem: DTRTMIVW20T 🔧 Explore Switch(CLLI: DRBRMIFBDS0))
313-442	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	DETROITZN1	DTRTMIBHDS1	00/00/0000	Prefix Type: RBOC Switch Name: DTRT HDQTRS DS1 Switch Type: DMS100 LATA: Detroit MI (340) Tandem: DTRTMIVW20T 🔧 Explore Switch(CLLI: DTRTMIBHDS1))
313-442 is split into 1,000-number blocks - detail below
313-442-0XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	DETROITZN1	DTRTMIBHDS1	N/A	Prefix Type: RBOC Switch Name: DTRT HDQTRS DS1 Switch Type: DMS100 LATA: Detroit MI (340) Tandem: DTRTMIVW20T 🔧 Explore Switch(CLLI: DTRTMIBHDS1))
313-442-1XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	DETROITZN1	DTRTMIBHDS1	N/A	Prefix Type: RBOC Switch Name: DTRT HDQTRS DS1 Switch Type: DMS100 LATA: Detroit MI (340) Tandem: DTRTMIVW20T 🔧 Explore Switch(CLLI: DTRTMIBHDS1))
313-442-4XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	DETROITZN1	DTRTMIBHDS1	N/A	Prefix Type: RBOC Switch Name: DTRT HDQTRS DS1 Switch Type: DMS100 LATA: Detroit MI (340) Tandem: DTRTMIVW20T 🔧 Explore Switch(CLLI: DTRTMIBHDS1))
313-442-5XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	DETROITZN1	DTRTMIBHDS1	N/A	Prefix Type: RBOC Switch Name: DTRT HDQTRS DS1 Switch Type: DMS100 LATA: Detroit MI (340) Tandem: DTRTMIVW20T 🔧 Explore Switch(CLLI: DTRTMIBHDS1))
313-442-8XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	DETROITZN1	DTRTMIBHDS1	N/A	Prefix Type: RBOC Switch Name: DTRT HDQTRS DS1 Switch Type: DMS100 LATA: Detroit MI (340) Tandem: DTRTMIVW20T 🔧 Explore Switch(CLLI: DTRTMIBHDS1))
313-442-9XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	DETROITZN1	DTRTMIBHDS1	N/A	Prefix Type: RBOC Switch Name: DTRT HDQTRS DS1 Switch Type: DMS100 LATA: Detroit MI (340) Tandem: DTRTMIVW20T 🔧 Explore Switch(CLLI: DTRTMIBHDS1))
313-446	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	DETROITZN1	DTRTMIRVDS0	00/00/0000	Prefix Type: RBOC Switch Name: DTRT RIVERFRONT DS0 Switch Type: DMS100 LATA: Detroit MI (340) Tandem: DTRTMIVW20T 🔧 Explore Switch(CLLI: DTRTMIRVDS0))
313-446 is split into 1,000-number blocks - detail below
313-446-0XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	DETROITZN1	DTRTMIRVDS0	N/A	Prefix Type: RBOC Switch Name: DTRT RIVERFRONT DS0 Switch Type: DMS100 LATA: Detroit MI (340) Tandem: DTRTMIVW20T 🔧 Explore Switch(CLLI: DTRTMIRVDS0))
313-446-1XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	DETROITZN1	DTRTMIRVDS0	N/A	Prefix Type: RBOC Switch Name: DTRT RIVERFRONT DS0 Switch Type: DMS100 LATA: Detroit MI (340) Tandem: DTRTMIVW20T 🔧 Explore Switch(CLLI: DTRTMIRVDS0))
313-446-2XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	DETROITZN1	DTRTMIRVDS0	N/A	Prefix Type: RBOC Switch Name: DTRT RIVERFRONT DS0 Switch Type: DMS100 LATA: Detroit MI (340) Tandem: DTRTMIVW20T 🔧 Explore Switch(CLLI: DTRTMIRVDS0))
313-446-3XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	DETROITZN1	DTRTMIRVDS0	N/A	Prefix Type: RBOC Switch Name: DTRT RIVERFRONT DS0 Switch Type: DMS100 LATA: Detroit MI (340) Tandem: DTRTMIVW20T 🔧 Explore Switch(CLLI: DTRTMIRVDS0))
313-446-4XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	DETROITZN1	DTRTMIRVDS0	N/A	Prefix Type: RBOC Switch Name: DTRT RIVERFRONT DS0 Switch Type: DMS100 LATA: Detroit MI (340) Tandem: DTRTMIVW20T 🔧 Explore Switch(CLLI: DTRTMIRVDS0))
313-446-5XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	DETROITZN1	DTRTMIRVDS0	N/A	Prefix Type: RBOC Switch Name: DTRT RIVERFRONT DS0 Switch Type: DMS100 LATA: Detroit MI (340) Tandem: DTRTMIVW20T 🔧 Explore Switch(CLLI: DTRTMIRVDS0))
313-446-6XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	DETROITZN1	DTRTMIRVDS0	N/A	Prefix Type: RBOC Switch Name: DTRT RIVERFRONT DS0 Switch Type: DMS100 LATA: Detroit MI (340) Tandem: DTRTMIVW20T 🔧 Explore Switch(CLLI: DTRTMIRVDS0))
313-446-7XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	DETROITZN1	DTRTMIRVDS0	N/A	Prefix Type: RBOC Switch Name: DTRT RIVERFRONT DS0 Switch Type: DMS100 LATA: Detroit MI (340) Tandem: DTRTMIVW20T 🔧 Explore Switch(CLLI: DTRTMIRVDS0))
313-446-9XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	DETROITZN1	DTRTMIRVDS0	N/A	Prefix Type: RBOC Switch Name: DTRT RIVERFRONT DS0 Switch Type: DMS100 LATA: Detroit MI (340) Tandem: DTRTMIVW20T 🔧 Explore Switch(CLLI: DTRTMIRVDS0))
313-448	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	DETROITZN1	DTRTMIRVDS0	12/09/2010	Prefix Type: RBOC Switch Name: DTRT RIVERFRONT DS0 Switch Type: DMS100 LATA: Detroit MI (340) Tandem: DTRTMIVW20T 🔧 Explore Switch(CLLI: DTRTMIRVDS0))
313-448 is split into 1,000-number blocks - detail below
313-448-0XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	DETROITZN1	DTRTMIRVDS0	12/09/2010	Prefix Type: RBOC Switch Name: DTRT RIVERFRONT DS0 Switch Type: DMS100 LATA: Detroit MI (340) Tandem: DTRTMIVW20T 🔧 Explore Switch(CLLI: DTRTMIRVDS0))
313-448-1XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	DETROITZN1	DTRTMIRVDS0	12/09/2010	Prefix Type: RBOC Switch Name: DTRT RIVERFRONT DS0 Switch Type: DMS100 LATA: Detroit MI (340) Tandem: DTRTMIVW20T 🔧 Explore Switch(CLLI: DTRTMIRVDS0))
313-448-2XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	DETROITZN1	DTRTMIRVDS0	12/09/2010	Prefix Type: RBOC Switch Name: DTRT RIVERFRONT DS0 Switch Type: DMS100 LATA: Detroit MI (340) Tandem: DTRTMIVW20T 🔧 Explore Switch(CLLI: DTRTMIRVDS0))
313-448-3XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	DETROITZN1	DTRTMIRVDS0	12/09/2010	Prefix Type: RBOC Switch Name: DTRT RIVERFRONT DS0 Switch Type: DMS100 LATA: Detroit MI (340) Tandem: DTRTMIVW20T 🔧 Explore Switch(CLLI: DTRTMIRVDS0))
313-448-4XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	DETROITZN1	DTRTMIRVDS0	12/09/2010	Prefix Type: RBOC Switch Name: DTRT RIVERFRONT DS0 Switch Type: DMS100 LATA: Detroit MI (340) Tandem: DTRTMIVW20T 🔧 Explore Switch(CLLI: DTRTMIRVDS0))
313-448-5XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	DETROITZN1	DTRTMIRVDS0	12/09/2010	Prefix Type: RBOC Switch Name: DTRT RIVERFRONT DS0 Switch Type: DMS100 LATA: Detroit MI (340) Tandem: DTRTMIVW20T 🔧 Explore Switch(CLLI: DTRTMIRVDS0))
313-448-6XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	DETROITZN1	DTRTMIRVDS0	12/09/2010	Prefix Type: RBOC Switch Name: DTRT RIVERFRONT DS0 Switch Type: DMS100 LATA: Detroit MI (340) Tandem: DTRTMIVW20T 🔧 Explore Switch(CLLI: DTRTMIRVDS0))
313-448-7XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	DETROITZN1	DTRTMIRVDS0	12/09/2010	Prefix Type: RBOC Switch Name: DTRT RIVERFRONT DS0 Switch Type: DMS100 LATA: Detroit MI (340) Tandem: DTRTMIVW20T 🔧 Explore Switch(CLLI: DTRTMIRVDS0))
313-448-8XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	DETROITZN1	DTRTMIRVDS0	12/09/2010	Prefix Type: RBOC Switch Name: DTRT RIVERFRONT DS0 Switch Type: DMS100 LATA: Detroit MI (340) Tandem: DTRTMIVW20T 🔧 Explore Switch(CLLI: DTRTMIRVDS0))
313-456	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	DETROITZN1	DTRTMIMDRPA	00/00/0000	Prefix Type: RBOC Switch Name: DETROIT Switch Type: N/A LATA: Detroit MI (340) Tandem: N/A 🔧 Explore Switch(CLLI: DTRTMIMDRPA))
313-456 is split into 1,000-number blocks - detail below
313-456-0XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	DETROITZN1	DTRTMIMDRPA	N/A	Prefix Type: RBOC Switch Name: DETROIT Switch Type: N/A LATA: Detroit MI (340) Tandem: N/A 🔧 Explore Switch(CLLI: DTRTMIMDRPA))
313-456-1XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	DETROITZN1	DTRTMIMDRPA	N/A	Prefix Type: RBOC Switch Name: DETROIT Switch Type: N/A LATA: Detroit MI (340) Tandem: N/A 🔧 Explore Switch(CLLI: DTRTMIMDRPA))
313-456-2XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	DETROITZN1	DTRTMIMDRPA	N/A	Prefix Type: RBOC Switch Name: DETROIT Switch Type: N/A LATA: Detroit MI (340) Tandem: N/A 🔧 Explore Switch(CLLI: DTRTMIMDRPA))
313-456-3XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	DETROITZN1	DTRTMIMDRPA	N/A	Prefix Type: RBOC Switch Name: DETROIT Switch Type: N/A LATA: Detroit MI (340) Tandem: N/A 🔧 Explore Switch(CLLI: DTRTMIMDRPA))
313-456-4XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	DETROITZN1	DTRTMIMDRPA	N/A	Prefix Type: RBOC Switch Name: DETROIT Switch Type: N/A LATA: Detroit MI (340) Tandem: N/A 🔧 Explore Switch(CLLI: DTRTMIMDRPA))
313-456-6XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	DETROITZN1	DTRTMIMDRPA	N/A	Prefix Type: RBOC Switch Name: DETROIT Switch Type: N/A LATA: Detroit MI (340) Tandem: N/A 🔧 Explore Switch(CLLI: DTRTMIMDRPA))
313-456-7XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	DETROITZN1	DTRTMIMDRPA	N/A	Prefix Type: RBOC Switch Name: DETROIT Switch Type: N/A LATA: Detroit MI (340) Tandem: N/A 🔧 Explore Switch(CLLI: DTRTMIMDRPA))
313-471	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	DETROITZN1	DTRTMIBHDS1	00/00/0000	Prefix Type: RBOC Switch Name: DTRT HDQTRS DS1 Switch Type: DMS100 LATA: Detroit MI (340) Tandem: DTRTMIVW20T 🔧 Explore Switch(CLLI: DTRTMIBHDS1))
313-471 is split into 1,000-number blocks - detail below
313-471-2XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	DETROITZN1	DTRTMIBHDS1	N/A	Prefix Type: RBOC Switch Name: DTRT HDQTRS DS1 Switch Type: DMS100 LATA: Detroit MI (340) Tandem: DTRTMIVW20T 🔧 Explore Switch(CLLI: DTRTMIBHDS1))
313-471-3XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	DETROITZN1	DTRTMIBHDS1	N/A	Prefix Type: RBOC Switch Name: DTRT HDQTRS DS1 Switch Type: DMS100 LATA: Detroit MI (340) Tandem: DTRTMIVW20T 🔧 Explore Switch(CLLI: DTRTMIBHDS1))
313-471-5XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	DETROITZN1	DTRTMIBHDS1	N/A	Prefix Type: RBOC Switch Name: DTRT HDQTRS DS1 Switch Type: DMS100 LATA: Detroit MI (340) Tandem: DTRTMIVW20T 🔧 Explore Switch(CLLI: DTRTMIBHDS1))
313-471-6XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	DETROITZN1	DTRTMIBHDS1	N/A	Prefix Type: RBOC Switch Name: DTRT HDQTRS DS1 Switch Type: DMS100 LATA: Detroit MI (340) Tandem: DTRTMIVW20T 🔧 Explore Switch(CLLI: DTRTMIBHDS1))
313-471-7XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	DETROITZN1	DTRTMIBHDS1	N/A	Prefix Type: RBOC Switch Name: DTRT HDQTRS DS1 Switch Type: DMS100 LATA: Detroit MI (340) Tandem: DTRTMIVW20T 🔧 Explore Switch(CLLI: DTRTMIBHDS1))
313-473	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	DETROITZN2	DTRTMINIDS0	08/06/2008	Prefix Type: RBOC Switch Name: DTRT NIAGARA Switch Type: 5ESS LATA: Detroit MI (340) Tandem: DTRTMIVW20T 🔧 Explore Switch(CLLI: DTRTMINIDS0))
313-473 is split into 1,000-number blocks - detail below
313-473-1XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	DETROITZN2	DTRTMINIDS0	08/07/2008	Prefix Type: RBOC Switch Name: DTRT NIAGARA Switch Type: 5ESS LATA: Detroit MI (340) Tandem: DTRTMIVW20T 🔧 Explore Switch(CLLI: DTRTMINIDS0))
313-473-2XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	DETROITZN2	DTRTMINIDS0	08/07/2008	Prefix Type: RBOC Switch Name: DTRT NIAGARA Switch Type: 5ESS LATA: Detroit MI (340) Tandem: DTRTMIVW20T 🔧 Explore Switch(CLLI: DTRTMINIDS0))
313-473-3XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	DETROITZN2	DTRTMINIDS0	08/07/2008	Prefix Type: RBOC Switch Name: DTRT NIAGARA Switch Type: 5ESS LATA: Detroit MI (340) Tandem: DTRTMIVW20T 🔧 Explore Switch(CLLI: DTRTMINIDS0))
313-473-4XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	DETROITZN2	DTRTMINIDS0	08/07/2008	Prefix Type: RBOC Switch Name: DTRT NIAGARA Switch Type: 5ESS LATA: Detroit MI (340) Tandem: DTRTMIVW20T 🔧 Explore Switch(CLLI: DTRTMINIDS0))
313-473-5XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	DETROITZN2	DTRTMINIDS0	08/07/2008	Prefix Type: RBOC Switch Name: DTRT NIAGARA Switch Type: 5ESS LATA: Detroit MI (340) Tandem: DTRTMIVW20T 🔧 Explore Switch(CLLI: DTRTMINIDS0))
313-473-6XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	DETROITZN2	DTRTMINIDS0	08/07/2008	Prefix Type: RBOC Switch Name: DTRT NIAGARA Switch Type: 5ESS LATA: Detroit MI (340) Tandem: DTRTMIVW20T 🔧 Explore Switch(CLLI: DTRTMINIDS0))
313-482	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	DETROITZN1	DTRTMIBLRPA	10/09/2008	Prefix Type: RBOC Switch Name: DETROIT Switch Type: N/A LATA: Detroit MI (340) Tandem: N/A 🔧 Explore Switch(CLLI: DTRTMIBLRPA))
313-482 is split into 1,000-number blocks - detail below
313-482-2XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	DETROITZN1	DTRTMIBLRPA	10/09/2008	Prefix Type: RBOC Switch Name: DETROIT Switch Type: N/A LATA: Detroit MI (340) Tandem: N/A 🔧 Explore Switch(CLLI: DTRTMIBLRPA))
313-482-3XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	DETROITZN1	DTRTMIBLRPA	10/09/2008	Prefix Type: RBOC Switch Name: DETROIT Switch Type: N/A LATA: Detroit MI (340) Tandem: N/A 🔧 Explore Switch(CLLI: DTRTMIBLRPA))
313-482-4XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	DETROITZN1	DTRTMIBLRPA	10/09/2008	Prefix Type: RBOC Switch Name: DETROIT Switch Type: N/A LATA: Detroit MI (340) Tandem: N/A 🔧 Explore Switch(CLLI: DTRTMIBLRPA))
313-491	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	DETROITZN4	DTRTMIHGDS0	00/00/0000	Prefix Type: RBOC Switch Name: DTRT HOGARTH DS0 Switch Type: DMS100 LATA: Detroit MI (340) Tandem: DTRTMIBH20T 🔧 Explore Switch(CLLI: DTRTMIHGDS0))
313-491 is split into 1,000-number blocks - detail below
313-491-0XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	DETROITZN4	DTRTMIHGDS0	N/A	Prefix Type: RBOC Switch Name: DTRT HOGARTH DS0 Switch Type: DMS100 LATA: Detroit MI (340) Tandem: DTRTMIBH20T 🔧 Explore Switch(CLLI: DTRTMIHGDS0))
313-491-1XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	DETROITZN4	DTRTMIHGDS0	N/A	Prefix Type: RBOC Switch Name: DTRT HOGARTH DS0 Switch Type: DMS100 LATA: Detroit MI (340) Tandem: DTRTMIBH20T 🔧 Explore Switch(CLLI: DTRTMIHGDS0))
313-491-2XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	DETROITZN4	DTRTMIHGDS0	N/A	Prefix Type: RBOC Switch Name: DTRT HOGARTH DS0 Switch Type: DMS100 LATA: Detroit MI (340) Tandem: DTRTMIBH20T 🔧 Explore Switch(CLLI: DTRTMIHGDS0))
313-491-3XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	DETROITZN4	DTRTMIHGDS0	N/A	Prefix Type: RBOC Switch Name: DTRT HOGARTH DS0 Switch Type: DMS100 LATA: Detroit MI (340) Tandem: DTRTMIBH20T 🔧 Explore Switch(CLLI: DTRTMIHGDS0))
313-491-4XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	DETROITZN4	DTRTMIHGDS0	N/A	Prefix Type: RBOC Switch Name: DTRT HOGARTH DS0 Switch Type: DMS100 LATA: Detroit MI (340) Tandem: DTRTMIBH20T 🔧 Explore Switch(CLLI: DTRTMIHGDS0))
313-491-5XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	DETROITZN4	DTRTMIHGDS0	N/A	Prefix Type: RBOC Switch Name: DTRT HOGARTH DS0 Switch Type: DMS100 LATA: Detroit MI (340) Tandem: DTRTMIBH20T 🔧 Explore Switch(CLLI: DTRTMIHGDS0))
313-491-6XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	DETROITZN4	DTRTMIHGDS0	N/A	Prefix Type: RBOC Switch Name: DTRT HOGARTH DS0 Switch Type: DMS100 LATA: Detroit MI (340) Tandem: DTRTMIBH20T 🔧 Explore Switch(CLLI: DTRTMIHGDS0))
313-491-7XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	DETROITZN4	DTRTMIHGDS0	N/A	Prefix Type: RBOC Switch Name: DTRT HOGARTH DS0 Switch Type: DMS100 LATA: Detroit MI (340) Tandem: DTRTMIBH20T 🔧 Explore Switch(CLLI: DTRTMIHGDS0))
313-491-8XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	DETROITZN4	DTRTMIHGDS0	N/A	Prefix Type: RBOC Switch Name: DTRT HOGARTH DS0 Switch Type: DMS100 LATA: Detroit MI (340) Tandem: DTRTMIBH20T 🔧 Explore Switch(CLLI: DTRTMIHGDS0))
313-493	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	DETROITZN4	DTRTMIVTDS0	00/00/0000	Prefix Type: RBOC Switch Name: DTRT VERMONT DS0 Switch Type: DMS100 LATA: Detroit MI (340) Tandem: DTRTMIBH20T 🔧 Explore Switch(CLLI: DTRTMIVTDS0))
313-493 is split into 1,000-number blocks - detail below
313-493-0XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	DETROITZN4	DTRTMIVTDS0	N/A	Prefix Type: RBOC Switch Name: DTRT VERMONT DS0 Switch Type: DMS100 LATA: Detroit MI (340) Tandem: DTRTMIBH20T 🔧 Explore Switch(CLLI: DTRTMIVTDS0))
313-493-1XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	DETROITZN4	DTRTMIVTDS0	N/A	Prefix Type: RBOC Switch Name: DTRT VERMONT DS0 Switch Type: DMS100 LATA: Detroit MI (340) Tandem: DTRTMIBH20T 🔧 Explore Switch(CLLI: DTRTMIVTDS0))
313-493-3XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	DETROITZN4	DTRTMIVTDS0	N/A	Prefix Type: RBOC Switch Name: DTRT VERMONT DS0 Switch Type: DMS100 LATA: Detroit MI (340) Tandem: DTRTMIBH20T 🔧 Explore Switch(CLLI: DTRTMIVTDS0))
313-493-4XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	DETROITZN4	DTRTMIVTDS0	N/A	Prefix Type: RBOC Switch Name: DTRT VERMONT DS0 Switch Type: DMS100 LATA: Detroit MI (340) Tandem: DTRTMIBH20T 🔧 Explore Switch(CLLI: DTRTMIVTDS0))
313-493-6XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	DETROITZN4	DTRTMIVTDS0	N/A	Prefix Type: RBOC Switch Name: DTRT VERMONT DS0 Switch Type: DMS100 LATA: Detroit MI (340) Tandem: DTRTMIBH20T 🔧 Explore Switch(CLLI: DTRTMIVTDS0))
313-493-7XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	DETROITZN4	DTRTMIVTDS0	N/A	Prefix Type: RBOC Switch Name: DTRT VERMONT DS0 Switch Type: DMS100 LATA: Detroit MI (340) Tandem: DTRTMIBH20T 🔧 Explore Switch(CLLI: DTRTMIVTDS0))
313-493-8XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	DETROITZN4	DTRTMIVTDS0	N/A	Prefix Type: RBOC Switch Name: DTRT VERMONT DS0 Switch Type: DMS100 LATA: Detroit MI (340) Tandem: DTRTMIBH20T 🔧 Explore Switch(CLLI: DTRTMIVTDS0))
313-493-9XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	DETROITZN4	DTRTMIVTDS0	N/A	Prefix Type: RBOC Switch Name: DTRT VERMONT DS0 Switch Type: DMS100 LATA: Detroit MI (340) Tandem: DTRTMIBH20T 🔧 Explore Switch(CLLI: DTRTMIVTDS0))
313-494	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	DETROITZN1	DTRTMICLDS0	00/00/0000	Prefix Type: RBOC Switch Name: DTRT COLUMBIA Switch Type: DMS100 LATA: Detroit MI (340) Tandem: DTRTMIVW20T 🔧 Explore Switch(CLLI: DTRTMICLDS0))
313-496	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	DETROITZN1	DTRTMIBLRPA	00/00/0000	Prefix Type: RBOC Switch Name: DETROIT Switch Type: N/A LATA: Detroit MI (340) Tandem: N/A 🔧 Explore Switch(CLLI: DTRTMIBLRPA))
313-499	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	DETROITZN2	DTRTMILXDS0	00/00/0000	Prefix Type: RBOC Switch Name: DTRT LENOX DS0 Switch Type: DMS100 LATA: Detroit MI (340) Tandem: DTRTMIBH20T 🔧 Explore Switch(CLLI: DTRTMILXDS0))
313-499 is split into 1,000-number blocks - detail below
313-499-2XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	DETROITZN2	DTRTMILXDS0	N/A	Prefix Type: RBOC Switch Name: DTRT LENOX DS0 Switch Type: DMS100 LATA: Detroit MI (340) Tandem: DTRTMIBH20T 🔧 Explore Switch(CLLI: DTRTMILXDS0))
313-499-4XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	DETROITZN2	DTRTMILXDS0	N/A	Prefix Type: RBOC Switch Name: DTRT LENOX DS0 Switch Type: DMS100 LATA: Detroit MI (340) Tandem: DTRTMIBH20T 🔧 Explore Switch(CLLI: DTRTMILXDS0))
313-507	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	DETROITZN5	SFLDMIMNDS1	00/00/0000	Prefix Type: RBOC Switch Name: SOUTHFIELD DS1 Switch Type: DMS100 LATA: Detroit MI (340) Tandem: WBFDMIMN20T 🔧 Explore Switch(CLLI: SFLDMIMNDS1))
313-508	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	DETROITZN5	SFLDMIMNDS1	00/00/0000	Prefix Type: RBOC Switch Name: SOUTHFIELD DS1 Switch Type: DMS100 LATA: Detroit MI (340) Tandem: WBFDMIMN20T 🔧 Explore Switch(CLLI: SFLDMIMNDS1))
313-521	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	DETROITZN2	DTRTMIPGDS0	00/00/0000	Prefix Type: RBOC Switch Name: DTRT PINGREE DS0 Switch Type: DMS100 LATA: Detroit MI (340) Tandem: DTRTMIVW20T 🔧 Explore Switch(CLLI: DTRTMIPGDS0))
313-526	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	DETROITZN2	DTRTMIPGDS0	00/00/0000	Prefix Type: RBOC Switch Name: DTRT PINGREE DS0 Switch Type: DMS100 LATA: Detroit MI (340) Tandem: DTRTMIVW20T 🔧 Explore Switch(CLLI: DTRTMIPGDS0))
313-527	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	DETROITZN2	DTRTMIPGDS0	00/00/0000	Prefix Type: RBOC Switch Name: DTRT PINGREE DS0 Switch Type: DMS100 LATA: Detroit MI (340) Tandem: DTRTMIVW20T 🔧 Explore Switch(CLLI: DTRTMIPGDS0))
313-531	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	DETROITZN5	DTRTMIRFDS0	00/00/0000	Prefix Type: RBOC Switch Name: DTRT REDFORD DS0 Switch Type: EWSD LATA: Detroit MI (340) Tandem: DTRTMIVW20T 🔧 Explore Switch(CLLI: DTRTMIRFDS0))
313-532	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	DETROITZN5	DTRTMIRFDS0	00/00/0000	Prefix Type: RBOC Switch Name: DTRT REDFORD DS0 Switch Type: EWSD LATA: Detroit MI (340) Tandem: DTRTMIVW20T 🔧 Explore Switch(CLLI: DTRTMIRFDS0))
313-533	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	DETROITZN5	DTRTMIRFDS0	00/00/0000	Prefix Type: RBOC Switch Name: DTRT REDFORD DS0 Switch Type: EWSD LATA: Detroit MI (340) Tandem: DTRTMIVW20T 🔧 Explore Switch(CLLI: DTRTMIRFDS0))
313-534	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	DETROITZN5	DTRTMIRFDS0	00/00/0000	Prefix Type: RBOC Switch Name: DTRT REDFORD DS0 Switch Type: EWSD LATA: Detroit MI (340) Tandem: DTRTMIVW20T 🔧 Explore Switch(CLLI: DTRTMIRFDS0))
313-535	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	DETROITZN5	DTRTMIRFDS0	00/00/0000	Prefix Type: RBOC Switch Name: DTRT REDFORD DS0 Switch Type: EWSD LATA: Detroit MI (340) Tandem: DTRTMIVW20T 🔧 Explore Switch(CLLI: DTRTMIRFDS0))
313-537	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	DETROITZN5	DTRTMIRFDS0	00/00/0000	Prefix Type: RBOC Switch Name: DTRT REDFORD DS0 Switch Type: EWSD LATA: Detroit MI (340) Tandem: DTRTMIVW20T 🔧 Explore Switch(CLLI: DTRTMIRFDS0))
313-538	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	DETROITZN5	DTRTMIRFDS0	00/00/0000	Prefix Type: RBOC Switch Name: DTRT REDFORD DS0 Switch Type: EWSD LATA: Detroit MI (340) Tandem: DTRTMIVW20T 🔧 Explore Switch(CLLI: DTRTMIRFDS0))
313-541	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	DETROITZN5	DTRTMIRFDS0	00/00/0000	Prefix Type: RBOC Switch Name: DTRT REDFORD DS0 Switch Type: EWSD LATA: Detroit MI (340) Tandem: DTRTMIVW20T 🔧 Explore Switch(CLLI: DTRTMIRFDS0))
313-543	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	DETROITZN5	DTRTMIRFDS0	00/00/0000	Prefix Type: RBOC Switch Name: DTRT REDFORD DS0 Switch Type: EWSD LATA: Detroit MI (340) Tandem: DTRTMIVW20T 🔧 Explore Switch(CLLI: DTRTMIRFDS0))
313-543 is split into 1,000-number blocks - detail below
313-543-0XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	DETROITZN5	DTRTMIRFDS0	N/A	Prefix Type: RBOC Switch Name: DTRT REDFORD DS0 Switch Type: EWSD LATA: Detroit MI (340) Tandem: DTRTMIVW20T 🔧 Explore Switch(CLLI: DTRTMIRFDS0))
313-543-1XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	DETROITZN5	DTRTMIRFDS0	N/A	Prefix Type: RBOC Switch Name: DTRT REDFORD DS0 Switch Type: EWSD LATA: Detroit MI (340) Tandem: DTRTMIVW20T 🔧 Explore Switch(CLLI: DTRTMIRFDS0))
313-543-2XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	DETROITZN5	DTRTMIRFDS0	N/A	Prefix Type: RBOC Switch Name: DTRT REDFORD DS0 Switch Type: EWSD LATA: Detroit MI (340) Tandem: DTRTMIVW20T 🔧 Explore Switch(CLLI: DTRTMIRFDS0))
313-543-6XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	DETROITZN5	DTRTMIRFDS0	N/A	Prefix Type: RBOC Switch Name: DTRT REDFORD DS0 Switch Type: EWSD LATA: Detroit MI (340) Tandem: DTRTMIVW20T 🔧 Explore Switch(CLLI: DTRTMIRFDS0))
313-543-7XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	DETROITZN5	DTRTMIRFDS0	N/A	Prefix Type: RBOC Switch Name: DTRT REDFORD DS0 Switch Type: EWSD LATA: Detroit MI (340) Tandem: DTRTMIVW20T 🔧 Explore Switch(CLLI: DTRTMIRFDS0))
313-543-9XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	DETROITZN5	DTRTMIRFDS0	N/A	Prefix Type: RBOC Switch Name: DTRT REDFORD DS0 Switch Type: EWSD LATA: Detroit MI (340) Tandem: DTRTMIVW20T 🔧 Explore Switch(CLLI: DTRTMIRFDS0))
313-545	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	DETROITZN1	DTRTMIBHDS1	10/24/2013	Prefix Type: RBOC Switch Name: DTRT HDQTRS DS1 Switch Type: DMS100 LATA: Detroit MI (340) Tandem: DTRTMIVW20T 🔧 Explore Switch(CLLI: DTRTMIBHDS1))
313-545 is split into 1,000-number blocks - detail below
313-545-0XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	DETROITZN1	DTRTMIBHDS1	10/24/2013	Prefix Type: RBOC Switch Name: DTRT HDQTRS DS1 Switch Type: DMS100 LATA: Detroit MI (340) Tandem: DTRTMIVW20T 🔧 Explore Switch(CLLI: DTRTMIBHDS1))
313-545-1XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	DETROITZN1	DTRTMIBHDS1	10/24/2013	Prefix Type: RBOC Switch Name: DTRT HDQTRS DS1 Switch Type: DMS100 LATA: Detroit MI (340) Tandem: DTRTMIVW20T 🔧 Explore Switch(CLLI: DTRTMIBHDS1))
313-545-2XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	DETROITZN1	DTRTMIBHDS1	10/24/2013	Prefix Type: RBOC Switch Name: DTRT HDQTRS DS1 Switch Type: DMS100 LATA: Detroit MI (340) Tandem: DTRTMIVW20T 🔧 Explore Switch(CLLI: DTRTMIBHDS1))
313-545-3XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	DETROITZN1	DTRTMIBHDS1	10/24/2013	Prefix Type: RBOC Switch Name: DTRT HDQTRS DS1 Switch Type: DMS100 LATA: Detroit MI (340) Tandem: DTRTMIVW20T 🔧 Explore Switch(CLLI: DTRTMIBHDS1))
313-545-4XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	DETROITZN1	DTRTMIBHDS1	10/24/2013	Prefix Type: RBOC Switch Name: DTRT HDQTRS DS1 Switch Type: DMS100 LATA: Detroit MI (340) Tandem: DTRTMIVW20T 🔧 Explore Switch(CLLI: DTRTMIBHDS1))
313-545-5XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	DETROITZN1	DTRTMIBHDS1	10/24/2013	Prefix Type: RBOC Switch Name: DTRT HDQTRS DS1 Switch Type: DMS100 LATA: Detroit MI (340) Tandem: DTRTMIVW20T 🔧 Explore Switch(CLLI: DTRTMIBHDS1))
313-545-6XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	DETROITZN1	DTRTMIBHDS1	10/24/2013	Prefix Type: RBOC Switch Name: DTRT HDQTRS DS1 Switch Type: DMS100 LATA: Detroit MI (340) Tandem: DTRTMIVW20T 🔧 Explore Switch(CLLI: DTRTMIBHDS1))
313-545-7XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	DETROITZN1	DTRTMIBHDS1	10/24/2013	Prefix Type: RBOC Switch Name: DTRT HDQTRS DS1 Switch Type: DMS100 LATA: Detroit MI (340) Tandem: DTRTMIVW20T 🔧 Explore Switch(CLLI: DTRTMIBHDS1))
313-545-8XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	DETROITZN1	DTRTMIBHDS1	10/24/2013	Prefix Type: RBOC Switch Name: DTRT HDQTRS DS1 Switch Type: DMS100 LATA: Detroit MI (340) Tandem: DTRTMIVW20T 🔧 Explore Switch(CLLI: DTRTMIBHDS1))
313-545-9XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	DETROITZN1	DTRTMIBHDS1	10/24/2013	Prefix Type: RBOC Switch Name: DTRT HDQTRS DS1 Switch Type: DMS100 LATA: Detroit MI (340) Tandem: DTRTMIVW20T 🔧 Explore Switch(CLLI: DTRTMIBHDS1))
313-551	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	DETROITZN6	DTRTMIVWDS0	00/00/0000	Prefix Type: RBOC Switch Name: DTRT VINEWOOD DS0 Switch Type: DMS100 LATA: Detroit MI (340) Tandem: DTRTMIVW20T 🔧 Explore Switch(CLLI: DTRTMIVWDS0))
313-551 is split into 1,000-number blocks - detail below
313-551-0XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	DETROITZN6	DTRTMIVWDS0	N/A	Prefix Type: RBOC Switch Name: DTRT VINEWOOD DS0 Switch Type: DMS100 LATA: Detroit MI (340) Tandem: DTRTMIVW20T 🔧 Explore Switch(CLLI: DTRTMIVWDS0))
313-551-2XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	DETROITZN6	DTRTMIVWDS0	N/A	Prefix Type: RBOC Switch Name: DTRT VINEWOOD DS0 Switch Type: DMS100 LATA: Detroit MI (340) Tandem: DTRTMIVW20T 🔧 Explore Switch(CLLI: DTRTMIVWDS0))
313-551-6XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	DETROITZN6	DTRTMIVWDS0	N/A	Prefix Type: RBOC Switch Name: DTRT VINEWOOD DS0 Switch Type: DMS100 LATA: Detroit MI (340) Tandem: DTRTMIVW20T 🔧 Explore Switch(CLLI: DTRTMIVWDS0))
313-551-7XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	DETROITZN6	DTRTMIVWDS0	N/A	Prefix Type: RBOC Switch Name: DTRT VINEWOOD DS0 Switch Type: DMS100 LATA: Detroit MI (340) Tandem: DTRTMIVW20T 🔧 Explore Switch(CLLI: DTRTMIVWDS0))
313-553	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	DETROITZN1	DTRTMIRVDS0	00/00/0000	Prefix Type: RBOC Switch Name: DTRT RIVERFRONT DS0 Switch Type: DMS100 LATA: Detroit MI (340) Tandem: DTRTMIVW20T 🔧 Explore Switch(CLLI: DTRTMIRVDS0))
313-554	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	DETROITZN6	DTRTMIVWDS0	00/00/0000	Prefix Type: RBOC Switch Name: DTRT VINEWOOD DS0 Switch Type: DMS100 LATA: Detroit MI (340) Tandem: DTRTMIVW20T 🔧 Explore Switch(CLLI: DTRTMIVWDS0))
313-554 is split into 1,000-number blocks - detail below
313-554-0XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	DETROITZN6	DTRTMIVWDS0	N/A	Prefix Type: RBOC Switch Name: DTRT VINEWOOD DS0 Switch Type: DMS100 LATA: Detroit MI (340) Tandem: DTRTMIVW20T 🔧 Explore Switch(CLLI: DTRTMIVWDS0))
313-554-1XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	DETROITZN6	DTRTMIVWDS0	N/A	Prefix Type: RBOC Switch Name: DTRT VINEWOOD DS0 Switch Type: DMS100 LATA: Detroit MI (340) Tandem: DTRTMIVW20T 🔧 Explore Switch(CLLI: DTRTMIVWDS0))
313-554-2XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	DETROITZN6	DTRTMIVWDS0	N/A	Prefix Type: RBOC Switch Name: DTRT VINEWOOD DS0 Switch Type: DMS100 LATA: Detroit MI (340) Tandem: DTRTMIVW20T 🔧 Explore Switch(CLLI: DTRTMIVWDS0))
313-554-3XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	DETROITZN6	DTRTMIVWDS0	N/A	Prefix Type: RBOC Switch Name: DTRT VINEWOOD DS0 Switch Type: DMS100 LATA: Detroit MI (340) Tandem: DTRTMIVW20T 🔧 Explore Switch(CLLI: DTRTMIVWDS0))
313-554-4XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	DETROITZN6	DTRTMIVWDS0	N/A	Prefix Type: RBOC Switch Name: DTRT VINEWOOD DS0 Switch Type: DMS100 LATA: Detroit MI (340) Tandem: DTRTMIVW20T 🔧 Explore Switch(CLLI: DTRTMIVWDS0))
313-554-8XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	DETROITZN6	DTRTMIVWDS0	N/A	Prefix Type: RBOC Switch Name: DTRT VINEWOOD DS0 Switch Type: DMS100 LATA: Detroit MI (340) Tandem: DTRTMIVW20T 🔧 Explore Switch(CLLI: DTRTMIVWDS0))
313-554-9XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	DETROITZN6	DTRTMIVWDS0	N/A	Prefix Type: RBOC Switch Name: DTRT VINEWOOD DS0 Switch Type: DMS100 LATA: Detroit MI (340) Tandem: DTRTMIVW20T 🔧 Explore Switch(CLLI: DTRTMIVWDS0))
313-556	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	DETROITZN1	SFLDMIQJDS1	00/00/0000	Prefix Type: RBOC Switch Name: SOUTHFIELD Switch Type: Northern Telecom DMS100 (Digital) Host LATA: Detroit MI (340) Tandem: N/A 🔧 Explore Switch(CLLI: SFLDMIQJDS1))
313-556 is split into 1,000-number blocks - detail below
313-556-0XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	DETROITZN1	SFLDMIQJDS1	N/A	Prefix Type: RBOC Switch Name: SOUTHFIELD Switch Type: Northern Telecom DMS100 (Digital) Host LATA: Detroit MI (340) Tandem: N/A 🔧 Explore Switch(CLLI: SFLDMIQJDS1))
313-556-7XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	DETROITZN1	SFLDMIQJDS1	N/A	Prefix Type: RBOC Switch Name: SOUTHFIELD Switch Type: Northern Telecom DMS100 (Digital) Host LATA: Detroit MI (340) Tandem: N/A 🔧 Explore Switch(CLLI: SFLDMIQJDS1))
313-556-8XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	DETROITZN1	SFLDMIQJDS1	N/A	Prefix Type: RBOC Switch Name: SOUTHFIELD Switch Type: Northern Telecom DMS100 (Digital) Host LATA: Detroit MI (340) Tandem: N/A 🔧 Explore Switch(CLLI: SFLDMIQJDS1))
313-556-9XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	DETROITZN1	SFLDMIQJDS1	N/A	Prefix Type: RBOC Switch Name: SOUTHFIELD Switch Type: Northern Telecom DMS100 (Digital) Host LATA: Detroit MI (340) Tandem: N/A 🔧 Explore Switch(CLLI: SFLDMIQJDS1))
313-560	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	DETROITZN5	SFLDMIOKDS0	00/00/0000	Prefix Type: RBOC Switch Name: SFLD OAKFIELD DS0 Switch Type: 5ESS LATA: Detroit MI (340) Tandem: WBFDMIMN20T 🔧 Explore Switch(CLLI: SFLDMIOKDS0))
313-561	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	DETROITZN6	DRBRMIDBDS0	00/00/0000	Prefix Type: RBOC Switch Name: DEARBORN DS0 Switch Type: 5ESS LATA: Detroit MI (340) Tandem: WAYNMIMN20T 🔧 Explore Switch(CLLI: DRBRMIDBDS0))
313-562	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	DETROITZN6	DRBRMIDBDS0	00/00/0000	Prefix Type: RBOC Switch Name: DEARBORN DS0 Switch Type: 5ESS LATA: Detroit MI (340) Tandem: WAYNMIMN20T 🔧 Explore Switch(CLLI: DRBRMIDBDS0))
313-563	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	DETROITZN6	DRBRMIDBDS0	00/00/0000	Prefix Type: RBOC Switch Name: DEARBORN DS0 Switch Type: 5ESS LATA: Detroit MI (340) Tandem: WAYNMIMN20T 🔧 Explore Switch(CLLI: DRBRMIDBDS0))
313-564	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	DETROITZN3	RYLOMIMNDS0	00/00/0000	Prefix Type: RBOC Switch Name: ROYAL OAK DS0 Switch Type: 5ESS LATA: Detroit MI (340) Tandem: WBFDMIMN20T 🔧 Explore Switch(CLLI: RYLOMIMNDS0))
313-564 is split into 1,000-number blocks - detail below
313-564-2XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	DETROITZN3	RYLOMIMNDS0	N/A	Prefix Type: RBOC Switch Name: ROYAL OAK DS0 Switch Type: 5ESS LATA: Detroit MI (340) Tandem: WBFDMIMN20T 🔧 Explore Switch(CLLI: RYLOMIMNDS0))
313-564-3XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	DETROITZN3	RYLOMIMNDS0	N/A	Prefix Type: RBOC Switch Name: ROYAL OAK DS0 Switch Type: 5ESS LATA: Detroit MI (340) Tandem: WBFDMIMN20T 🔧 Explore Switch(CLLI: RYLOMIMNDS0))
313-564-4XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	DETROITZN3	RYLOMIMNDS0	N/A	Prefix Type: RBOC Switch Name: ROYAL OAK DS0 Switch Type: 5ESS LATA: Detroit MI (340) Tandem: WBFDMIMN20T 🔧 Explore Switch(CLLI: RYLOMIMNDS0))
313-565	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	DETROITZN6	DRBRMIDBDS0	00/00/0000	Prefix Type: RBOC Switch Name: DEARBORN DS0 Switch Type: 5ESS LATA: Detroit MI (340) Tandem: WAYNMIMN20T 🔧 Explore Switch(CLLI: DRBRMIDBDS0))
313-566	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	DETROITZN1	DTRTMIRVDS0	00/00/0000	Prefix Type: RBOC Switch Name: DTRT RIVERFRONT DS0 Switch Type: DMS100 LATA: Detroit MI (340) Tandem: DTRTMIVW20T 🔧 Explore Switch(CLLI: DTRTMIRVDS0))
313-566 is split into 1,000-number blocks - detail below
313-566-0XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	DETROITZN1	DTRTMIRVDS0	N/A	Prefix Type: RBOC Switch Name: DTRT RIVERFRONT DS0 Switch Type: DMS100 LATA: Detroit MI (340) Tandem: DTRTMIVW20T 🔧 Explore Switch(CLLI: DTRTMIRVDS0))
313-566-1XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	DETROITZN1	DTRTMIRVDS0	N/A	Prefix Type: RBOC Switch Name: DTRT RIVERFRONT DS0 Switch Type: DMS100 LATA: Detroit MI (340) Tandem: DTRTMIVW20T 🔧 Explore Switch(CLLI: DTRTMIRVDS0))
313-566-2XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	DETROITZN1	DTRTMIRVDS0	N/A	Prefix Type: RBOC Switch Name: DTRT RIVERFRONT DS0 Switch Type: DMS100 LATA: Detroit MI (340) Tandem: DTRTMIVW20T 🔧 Explore Switch(CLLI: DTRTMIRVDS0))
313-566-5XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	DETROITZN1	DTRTMIRVDS0	N/A	Prefix Type: RBOC Switch Name: DTRT RIVERFRONT DS0 Switch Type: DMS100 LATA: Detroit MI (340) Tandem: DTRTMIVW20T 🔧 Explore Switch(CLLI: DTRTMIRVDS0))
313-566-6XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	DETROITZN1	DTRTMIRVDS0	N/A	Prefix Type: RBOC Switch Name: DTRT RIVERFRONT DS0 Switch Type: DMS100 LATA: Detroit MI (340) Tandem: DTRTMIVW20T 🔧 Explore Switch(CLLI: DTRTMIRVDS0))
313-566-7XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	DETROITZN1	DTRTMIRVDS0	N/A	Prefix Type: RBOC Switch Name: DTRT RIVERFRONT DS0 Switch Type: DMS100 LATA: Detroit MI (340) Tandem: DTRTMIVW20T 🔧 Explore Switch(CLLI: DTRTMIRVDS0))
313-566-8XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	DETROITZN1	DTRTMIRVDS0	N/A	Prefix Type: RBOC Switch Name: DTRT RIVERFRONT DS0 Switch Type: DMS100 LATA: Detroit MI (340) Tandem: DTRTMIVW20T 🔧 Explore Switch(CLLI: DTRTMIRVDS0))
313-566-9XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	DETROITZN1	DTRTMIRVDS0	N/A	Prefix Type: RBOC Switch Name: DTRT RIVERFRONT DS0 Switch Type: DMS100 LATA: Detroit MI (340) Tandem: DTRTMIVW20T 🔧 Explore Switch(CLLI: DTRTMIRVDS0))
313-567	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	DETROITZN1	DTRTMIRVDS0	00/00/0000	Prefix Type: RBOC Switch Name: DTRT RIVERFRONT DS0 Switch Type: DMS100 LATA: Detroit MI (340) Tandem: DTRTMIVW20T 🔧 Explore Switch(CLLI: DTRTMIRVDS0))
313-568	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	DETROITZN1	DTRTMIRVDS0	00/00/0000	Prefix Type: RBOC Switch Name: DTRT RIVERFRONT DS0 Switch Type: DMS100 LATA: Detroit MI (340) Tandem: DTRTMIVW20T 🔧 Explore Switch(CLLI: DTRTMIRVDS0))
313-571	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	DETROITZN2	DTRTMIPEDS0	00/00/0000	Prefix Type: RBOC Switch Name: DTRT PLAZA DS0 Switch Type: DMS100 LATA: Detroit MI (340) Tandem: DTRTMIBH20T 🔧 Explore Switch(CLLI: DTRTMIPEDS0))
313-571 is split into 1,000-number blocks - detail below
313-571-0XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	DETROITZN2	DTRTMIPEDS0	N/A	Prefix Type: RBOC Switch Name: DTRT PLAZA DS0 Switch Type: DMS100 LATA: Detroit MI (340) Tandem: DTRTMIBH20T 🔧 Explore Switch(CLLI: DTRTMIPEDS0))
313-571-1XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	DETROITZN2	DTRTMIPEDS0	N/A	Prefix Type: RBOC Switch Name: DTRT PLAZA DS0 Switch Type: DMS100 LATA: Detroit MI (340) Tandem: DTRTMIBH20T 🔧 Explore Switch(CLLI: DTRTMIPEDS0))
313-571-2XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	DETROITZN2	DTRTMIPEDS0	N/A	Prefix Type: RBOC Switch Name: DTRT PLAZA DS0 Switch Type: DMS100 LATA: Detroit MI (340) Tandem: DTRTMIBH20T 🔧 Explore Switch(CLLI: DTRTMIPEDS0))
313-571-7XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	DETROITZN2	DTRTMIPEDS0	N/A	Prefix Type: RBOC Switch Name: DTRT PLAZA DS0 Switch Type: DMS100 LATA: Detroit MI (340) Tandem: DTRTMIBH20T 🔧 Explore Switch(CLLI: DTRTMIPEDS0))
313-571-9XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	DETROITZN2	DTRTMIPEDS0	N/A	Prefix Type: RBOC Switch Name: DTRT PLAZA DS0 Switch Type: DMS100 LATA: Detroit MI (340) Tandem: DTRTMIBH20T 🔧 Explore Switch(CLLI: DTRTMIPEDS0))
313-576	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	DETROITZN1	DTRTMICLDS0	00/00/0000	Prefix Type: RBOC Switch Name: DTRT COLUMBIA Switch Type: DMS100 LATA: Detroit MI (340) Tandem: DTRTMIVW20T 🔧 Explore Switch(CLLI: DTRTMICLDS0))
313-576 is split into 1,000-number blocks - detail below
313-576-0XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	DETROITZN1	DTRTMICLDS0	N/A	Prefix Type: RBOC Switch Name: DTRT COLUMBIA Switch Type: DMS100 LATA: Detroit MI (340) Tandem: DTRTMIVW20T 🔧 Explore Switch(CLLI: DTRTMICLDS0))
313-576-1XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	DETROITZN1	DTRTMICLDS0	N/A	Prefix Type: RBOC Switch Name: DTRT COLUMBIA Switch Type: DMS100 LATA: Detroit MI (340) Tandem: DTRTMIVW20T 🔧 Explore Switch(CLLI: DTRTMICLDS0))
313-576-2XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	DETROITZN1	DTRTMICLDS0	N/A	Prefix Type: RBOC Switch Name: DTRT COLUMBIA Switch Type: DMS100 LATA: Detroit MI (340) Tandem: DTRTMIVW20T 🔧 Explore Switch(CLLI: DTRTMICLDS0))
313-576-3XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	DETROITZN1	DTRTMICLDS0	N/A	Prefix Type: RBOC Switch Name: DTRT COLUMBIA Switch Type: DMS100 LATA: Detroit MI (340) Tandem: DTRTMIVW20T 🔧 Explore Switch(CLLI: DTRTMICLDS0))
313-576-4XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	DETROITZN1	DTRTMICLDS0	N/A	Prefix Type: RBOC Switch Name: DTRT COLUMBIA Switch Type: DMS100 LATA: Detroit MI (340) Tandem: DTRTMIVW20T 🔧 Explore Switch(CLLI: DTRTMICLDS0))
313-576-5XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	DETROITZN1	DTRTMICLDS0	N/A	Prefix Type: RBOC Switch Name: DTRT COLUMBIA Switch Type: DMS100 LATA: Detroit MI (340) Tandem: DTRTMIVW20T 🔧 Explore Switch(CLLI: DTRTMICLDS0))
313-576-8XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	DETROITZN1	DTRTMICLDS0	N/A	Prefix Type: RBOC Switch Name: DTRT COLUMBIA Switch Type: DMS100 LATA: Detroit MI (340) Tandem: DTRTMIVW20T 🔧 Explore Switch(CLLI: DTRTMICLDS0))
313-576-9XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	DETROITZN1	DTRTMICLDS0	N/A	Prefix Type: RBOC Switch Name: DTRT COLUMBIA Switch Type: DMS100 LATA: Detroit MI (340) Tandem: DTRTMIVW20T 🔧 Explore Switch(CLLI: DTRTMICLDS0))
313-577	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	DETROITZN1	DTRTMICLDS0	00/00/0000	Prefix Type: RBOC Switch Name: DTRT COLUMBIA Switch Type: DMS100 LATA: Detroit MI (340) Tandem: DTRTMIVW20T 🔧 Explore Switch(CLLI: DTRTMICLDS0))
313-578	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	DETROITZN1	DTRTMICLDS0	00/00/0000	Prefix Type: RBOC Switch Name: DTRT COLUMBIA Switch Type: DMS100 LATA: Detroit MI (340) Tandem: DTRTMIVW20T 🔧 Explore Switch(CLLI: DTRTMICLDS0))
313-578 is split into 1,000-number blocks - detail below
313-578-0XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	DETROITZN1	DTRTMICLDS0	N/A	Prefix Type: RBOC Switch Name: DTRT COLUMBIA Switch Type: DMS100 LATA: Detroit MI (340) Tandem: DTRTMIVW20T 🔧 Explore Switch(CLLI: DTRTMICLDS0))
313-578-2XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	DETROITZN1	DTRTMICLDS0	N/A	Prefix Type: RBOC Switch Name: DTRT COLUMBIA Switch Type: DMS100 LATA: Detroit MI (340) Tandem: DTRTMIVW20T 🔧 Explore Switch(CLLI: DTRTMICLDS0))
313-578-3XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	DETROITZN1	DTRTMICLDS0	N/A	Prefix Type: RBOC Switch Name: DTRT COLUMBIA Switch Type: DMS100 LATA: Detroit MI (340) Tandem: DTRTMIVW20T 🔧 Explore Switch(CLLI: DTRTMICLDS0))
313-578-4XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	DETROITZN1	DTRTMICLDS0	N/A	Prefix Type: RBOC Switch Name: DTRT COLUMBIA Switch Type: DMS100 LATA: Detroit MI (340) Tandem: DTRTMIVW20T 🔧 Explore Switch(CLLI: DTRTMICLDS0))
313-578-5XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	DETROITZN1	DTRTMICLDS0	N/A	Prefix Type: RBOC Switch Name: DTRT COLUMBIA Switch Type: DMS100 LATA: Detroit MI (340) Tandem: DTRTMIVW20T 🔧 Explore Switch(CLLI: DTRTMICLDS0))
313-578-6XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	DETROITZN1	DTRTMICLDS0	N/A	Prefix Type: RBOC Switch Name: DTRT COLUMBIA Switch Type: DMS100 LATA: Detroit MI (340) Tandem: DTRTMIVW20T 🔧 Explore Switch(CLLI: DTRTMICLDS0))
313-578-7XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	DETROITZN1	DTRTMICLDS0	N/A	Prefix Type: RBOC Switch Name: DTRT COLUMBIA Switch Type: DMS100 LATA: Detroit MI (340) Tandem: DTRTMIVW20T 🔧 Explore Switch(CLLI: DTRTMICLDS0))
313-578-8XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	DETROITZN1	DTRTMICLDS0	N/A	Prefix Type: RBOC Switch Name: DTRT COLUMBIA Switch Type: DMS100 LATA: Detroit MI (340) Tandem: DTRTMIVW20T 🔧 Explore Switch(CLLI: DTRTMICLDS0))
313-578-9XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	DETROITZN1	DTRTMICLDS0	N/A	Prefix Type: RBOC Switch Name: DTRT COLUMBIA Switch Type: DMS100 LATA: Detroit MI (340) Tandem: DTRTMIVW20T 🔧 Explore Switch(CLLI: DTRTMICLDS0))
313-579	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	DETROITZN2	DTRTMIPEDS0	00/00/0000	Prefix Type: RBOC Switch Name: DTRT PLAZA DS0 Switch Type: DMS100 LATA: Detroit MI (340) Tandem: DTRTMIBH20T 🔧 Explore Switch(CLLI: DTRTMIPEDS0))
313-579 is split into 1,000-number blocks - detail below
313-579-0XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	DETROITZN2	DTRTMIPEDS0	N/A	Prefix Type: RBOC Switch Name: DTRT PLAZA DS0 Switch Type: DMS100 LATA: Detroit MI (340) Tandem: DTRTMIBH20T 🔧 Explore Switch(CLLI: DTRTMIPEDS0))
313-579-1XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	DETROITZN2	DTRTMIPEDS0	N/A	Prefix Type: RBOC Switch Name: DTRT PLAZA DS0 Switch Type: DMS100 LATA: Detroit MI (340) Tandem: DTRTMIBH20T 🔧 Explore Switch(CLLI: DTRTMIPEDS0))
313-579-2XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	DETROITZN2	DTRTMIPEDS0	N/A	Prefix Type: RBOC Switch Name: DTRT PLAZA DS0 Switch Type: DMS100 LATA: Detroit MI (340) Tandem: DTRTMIBH20T 🔧 Explore Switch(CLLI: DTRTMIPEDS0))
313-579-3XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	DETROITZN2	DTRTMIPEDS0	N/A	Prefix Type: RBOC Switch Name: DTRT PLAZA DS0 Switch Type: DMS100 LATA: Detroit MI (340) Tandem: DTRTMIBH20T 🔧 Explore Switch(CLLI: DTRTMIPEDS0))
313-579-4XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	DETROITZN2	DTRTMIPEDS0	N/A	Prefix Type: RBOC Switch Name: DTRT PLAZA DS0 Switch Type: DMS100 LATA: Detroit MI (340) Tandem: DTRTMIBH20T 🔧 Explore Switch(CLLI: DTRTMIPEDS0))
313-579-5XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	DETROITZN2	DTRTMIPEDS0	N/A	Prefix Type: RBOC Switch Name: DTRT PLAZA DS0 Switch Type: DMS100 LATA: Detroit MI (340) Tandem: DTRTMIBH20T 🔧 Explore Switch(CLLI: DTRTMIPEDS0))
313-579-6XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	DETROITZN2	DTRTMIPEDS0	N/A	Prefix Type: RBOC Switch Name: DTRT PLAZA DS0 Switch Type: DMS100 LATA: Detroit MI (340) Tandem: DTRTMIBH20T 🔧 Explore Switch(CLLI: DTRTMIPEDS0))
313-579-7XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	DETROITZN2	DTRTMIPEDS0	N/A	Prefix Type: RBOC Switch Name: DTRT PLAZA DS0 Switch Type: DMS100 LATA: Detroit MI (340) Tandem: DTRTMIBH20T 🔧 Explore Switch(CLLI: DTRTMIPEDS0))
313-579-9XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	DETROITZN2	DTRTMIPEDS0	N/A	Prefix Type: RBOC Switch Name: DTRT PLAZA DS0 Switch Type: DMS100 LATA: Detroit MI (340) Tandem: DTRTMIBH20T 🔧 Explore Switch(CLLI: DTRTMIPEDS0))
313-581	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	DETROITZN6	DRBRMIORDS0	00/00/0000	Prefix Type: RBOC Switch Name: DRBR OREGON DS0 Switch Type: DMS100 LATA: Detroit MI (340) Tandem: DTRTMIVW20T 🔧 Explore Switch(CLLI: DRBRMIORDS0))
313-582	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	DETROITZN6	DRBRMIORDS0	00/00/0000	Prefix Type: RBOC Switch Name: DRBR OREGON DS0 Switch Type: DMS100 LATA: Detroit MI (340) Tandem: DTRTMIVW20T 🔧 Explore Switch(CLLI: DRBRMIORDS0))
313-583	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	DETROITZN6	DRBRMIFBDS0	00/00/0000	Prefix Type: RBOC Switch Name: DRBR FAIRBORN DS0 Switch Type: DMS100 LATA: Detroit MI (340) Tandem: DTRTMIVW20T 🔧 Explore Switch(CLLI: DRBRMIFBDS0))
313-583 is split into 1,000-number blocks - detail below
313-583-0XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	DETROITZN6	DRBRMIFBDS0	N/A	Prefix Type: RBOC Switch Name: DRBR FAIRBORN DS0 Switch Type: DMS100 LATA: Detroit MI (340) Tandem: DTRTMIVW20T 🔧 Explore Switch(CLLI: DRBRMIFBDS0))
313-583-1XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	DETROITZN6	DRBRMIFBDS0	N/A	Prefix Type: RBOC Switch Name: DRBR FAIRBORN DS0 Switch Type: DMS100 LATA: Detroit MI (340) Tandem: DTRTMIVW20T 🔧 Explore Switch(CLLI: DRBRMIFBDS0))
313-583-2XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	DETROITZN6	DRBRMIFBDS0	N/A	Prefix Type: RBOC Switch Name: DRBR FAIRBORN DS0 Switch Type: DMS100 LATA: Detroit MI (340) Tandem: DTRTMIVW20T 🔧 Explore Switch(CLLI: DRBRMIFBDS0))
313-583-5XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	DETROITZN6	DRBRMIFBDS0	N/A	Prefix Type: RBOC Switch Name: DRBR FAIRBORN DS0 Switch Type: DMS100 LATA: Detroit MI (340) Tandem: DTRTMIVW20T 🔧 Explore Switch(CLLI: DRBRMIFBDS0))
313-583-6XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	DETROITZN6	DRBRMIFBDS0	N/A	Prefix Type: RBOC Switch Name: DRBR FAIRBORN DS0 Switch Type: DMS100 LATA: Detroit MI (340) Tandem: DTRTMIVW20T 🔧 Explore Switch(CLLI: DRBRMIFBDS0))
313-584	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	DETROITZN6	DRBRMIORDS0	00/00/0000	Prefix Type: RBOC Switch Name: DRBR OREGON DS0 Switch Type: DMS100 LATA: Detroit MI (340) Tandem: DTRTMIVW20T 🔧 Explore Switch(CLLI: DRBRMIORDS0))
313-592	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	DETROITZN5	DTRTMIRFDS0	00/00/0000	Prefix Type: RBOC Switch Name: DTRT REDFORD DS0 Switch Type: EWSD LATA: Detroit MI (340) Tandem: DTRTMIVW20T 🔧 Explore Switch(CLLI: DTRTMIRFDS0))
313-593	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	DETROITZN6	DRBRMIFBDS0	00/00/0000	Prefix Type: RBOC Switch Name: DRBR FAIRBORN DS0 Switch Type: DMS100 LATA: Detroit MI (340) Tandem: DTRTMIVW20T 🔧 Explore Switch(CLLI: DRBRMIFBDS0))
313-594	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	DETROITZN6	DRBRMIFBDS1	00/00/0000	Prefix Type: RBOC Switch Name: DRBR FAIRBORN DS1 Switch Type: DMS100 LATA: Detroit MI (340) Tandem: DTRTMIVW20T 🔧 Explore Switch(CLLI: DRBRMIFBDS1))
313-596	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	DETROITZN1	DTRTMIBHDS1	00/00/0000	Prefix Type: RBOC Switch Name: DTRT HDQTRS DS1 Switch Type: DMS100 LATA: Detroit MI (340) Tandem: DTRTMIVW20T 🔧 Explore Switch(CLLI: DTRTMIBHDS1))
313-599	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	DETROITZN5	SFLDMIOKDS0	00/00/0000	Prefix Type: RBOC Switch Name: SFLD OAKFIELD DS0 Switch Type: 5ESS LATA: Detroit MI (340) Tandem: WBFDMIMN20T 🔧 Explore Switch(CLLI: SFLDMIOKDS0))
313-602	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	DETROITZN5	SFLDMIOKDS0	00/00/0000	Prefix Type: RBOC Switch Name: SFLD OAKFIELD DS0 Switch Type: 5ESS LATA: Detroit MI (340) Tandem: WBFDMIMN20T 🔧 Explore Switch(CLLI: SFLDMIOKDS0))
313-619	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	DETROITZN6	DRBRMIFBDS1	00/00/0000	Prefix Type: RBOC Switch Name: DRBR FAIRBORN DS1 Switch Type: DMS100 LATA: Detroit MI (340) Tandem: DTRTMIVW20T 🔧 Explore Switch(CLLI: DRBRMIFBDS1))
313-621	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	DETROITZN6	DRBRMIFBDS1	00/00/0000	Prefix Type: RBOC Switch Name: DRBR FAIRBORN DS1 Switch Type: DMS100 LATA: Detroit MI (340) Tandem: DTRTMIVW20T 🔧 Explore Switch(CLLI: DRBRMIFBDS1))
313-624	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	DETROITZN6	DRBRMIORDS0	00/00/0000	Prefix Type: RBOC Switch Name: DRBR OREGON DS0 Switch Type: DMS100 LATA: Detroit MI (340) Tandem: DTRTMIVW20T 🔧 Explore Switch(CLLI: DRBRMIORDS0))
313-624 is split into 1,000-number blocks - detail below
313-624-0XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	DETROITZN6	DRBRMIORDS0	N/A	Prefix Type: RBOC Switch Name: DRBR OREGON DS0 Switch Type: DMS100 LATA: Detroit MI (340) Tandem: DTRTMIVW20T 🔧 Explore Switch(CLLI: DRBRMIORDS0))
313-624-2XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	DETROITZN6	DRBRMIORDS0	N/A	Prefix Type: RBOC Switch Name: DRBR OREGON DS0 Switch Type: DMS100 LATA: Detroit MI (340) Tandem: DTRTMIVW20T 🔧 Explore Switch(CLLI: DRBRMIORDS0))
313-624-8XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	DETROITZN6	DRBRMIORDS0	N/A	Prefix Type: RBOC Switch Name: DRBR OREGON DS0 Switch Type: DMS100 LATA: Detroit MI (340) Tandem: DTRTMIVW20T 🔧 Explore Switch(CLLI: DRBRMIORDS0))
313-624-9XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	DETROITZN6	DRBRMIORDS0	N/A	Prefix Type: RBOC Switch Name: DRBR OREGON DS0 Switch Type: DMS100 LATA: Detroit MI (340) Tandem: DTRTMIVW20T 🔧 Explore Switch(CLLI: DRBRMIORDS0))
313-628	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	DETROITZN1	DTRTMIBHDS1	00/00/0000	Prefix Type: RBOC Switch Name: DTRT HDQTRS DS1 Switch Type: DMS100 LATA: Detroit MI (340) Tandem: DTRTMIVW20T 🔧 Explore Switch(CLLI: DTRTMIBHDS1))
313-640	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	DETROITZN2	DTRTMINIDS0	00/00/0000	Prefix Type: RBOC Switch Name: DTRT NIAGARA Switch Type: 5ESS LATA: Detroit MI (340) Tandem: DTRTMIVW20T 🔧 Explore Switch(CLLI: DTRTMINIDS0))
313-640 is split into 1,000-number blocks - detail below
313-640-0XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	DETROITZN2	DTRTMINIDS0	N/A	Prefix Type: RBOC Switch Name: DTRT NIAGARA Switch Type: 5ESS LATA: Detroit MI (340) Tandem: DTRTMIVW20T 🔧 Explore Switch(CLLI: DTRTMINIDS0))
313-640-1XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	DETROITZN2	DTRTMINIDS0	N/A	Prefix Type: RBOC Switch Name: DTRT NIAGARA Switch Type: 5ESS LATA: Detroit MI (340) Tandem: DTRTMIVW20T 🔧 Explore Switch(CLLI: DTRTMINIDS0))
313-640-2XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	DETROITZN2	DTRTMINIDS0	N/A	Prefix Type: RBOC Switch Name: DTRT NIAGARA Switch Type: 5ESS LATA: Detroit MI (340) Tandem: DTRTMIVW20T 🔧 Explore Switch(CLLI: DTRTMINIDS0))
313-640-3XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	DETROITZN2	DTRTMINIDS0	N/A	Prefix Type: RBOC Switch Name: DTRT NIAGARA Switch Type: 5ESS LATA: Detroit MI (340) Tandem: DTRTMIVW20T 🔧 Explore Switch(CLLI: DTRTMINIDS0))
313-640-4XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	DETROITZN2	DTRTMINIDS0	N/A	Prefix Type: RBOC Switch Name: DTRT NIAGARA Switch Type: 5ESS LATA: Detroit MI (340) Tandem: DTRTMIVW20T 🔧 Explore Switch(CLLI: DTRTMINIDS0))
313-640-5XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	DETROITZN2	DTRTMINIDS0	N/A	Prefix Type: RBOC Switch Name: DTRT NIAGARA Switch Type: 5ESS LATA: Detroit MI (340) Tandem: DTRTMIVW20T 🔧 Explore Switch(CLLI: DTRTMINIDS0))
313-640-7XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	DETROITZN2	DTRTMINIDS0	N/A	Prefix Type: RBOC Switch Name: DTRT NIAGARA Switch Type: 5ESS LATA: Detroit MI (340) Tandem: DTRTMIVW20T 🔧 Explore Switch(CLLI: DTRTMINIDS0))
313-640-8XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	DETROITZN2	DTRTMINIDS0	N/A	Prefix Type: RBOC Switch Name: DTRT NIAGARA Switch Type: 5ESS LATA: Detroit MI (340) Tandem: DTRTMIVW20T 🔧 Explore Switch(CLLI: DTRTMINIDS0))
313-640-9XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	DETROITZN2	DTRTMINIDS0	N/A	Prefix Type: RBOC Switch Name: DTRT NIAGARA Switch Type: 5ESS LATA: Detroit MI (340) Tandem: DTRTMIVW20T 🔧 Explore Switch(CLLI: DTRTMINIDS0))
313-642	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	DETROITZN2	DTRTMINIDS0	00/00/0000	Prefix Type: RBOC Switch Name: DTRT NIAGARA Switch Type: 5ESS LATA: Detroit MI (340) Tandem: DTRTMIVW20T 🔧 Explore Switch(CLLI: DTRTMINIDS0))
313-642 is split into 1,000-number blocks - detail below
313-642-0XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	DETROITZN2	DTRTMINIDS0	N/A	Prefix Type: RBOC Switch Name: DTRT NIAGARA Switch Type: 5ESS LATA: Detroit MI (340) Tandem: DTRTMIVW20T 🔧 Explore Switch(CLLI: DTRTMINIDS0))
313-642-1XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	DETROITZN2	DTRTMINIDS0	N/A	Prefix Type: RBOC Switch Name: DTRT NIAGARA Switch Type: 5ESS LATA: Detroit MI (340) Tandem: DTRTMIVW20T 🔧 Explore Switch(CLLI: DTRTMINIDS0))
313-642-2XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	DETROITZN2	DTRTMINIDS0	N/A	Prefix Type: RBOC Switch Name: DTRT NIAGARA Switch Type: 5ESS LATA: Detroit MI (340) Tandem: DTRTMIVW20T 🔧 Explore Switch(CLLI: DTRTMINIDS0))
313-642-4XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	DETROITZN2	DTRTMINIDS0	N/A	Prefix Type: RBOC Switch Name: DTRT NIAGARA Switch Type: 5ESS LATA: Detroit MI (340) Tandem: DTRTMIVW20T 🔧 Explore Switch(CLLI: DTRTMINIDS0))
313-642-5XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	DETROITZN2	DTRTMINIDS0	N/A	Prefix Type: RBOC Switch Name: DTRT NIAGARA Switch Type: 5ESS LATA: Detroit MI (340) Tandem: DTRTMIVW20T 🔧 Explore Switch(CLLI: DTRTMINIDS0))
313-642-8XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	DETROITZN2	DTRTMINIDS0	N/A	Prefix Type: RBOC Switch Name: DTRT NIAGARA Switch Type: 5ESS LATA: Detroit MI (340) Tandem: DTRTMIVW20T 🔧 Explore Switch(CLLI: DTRTMINIDS0))
313-642-9XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	DETROITZN2	DTRTMINIDS0	N/A	Prefix Type: RBOC Switch Name: DTRT NIAGARA Switch Type: 5ESS LATA: Detroit MI (340) Tandem: DTRTMIVW20T 🔧 Explore Switch(CLLI: DTRTMINIDS0))
313-647	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	DETROITZN2	DTRTMINIDS0	00/00/0000	Prefix Type: RBOC Switch Name: DTRT NIAGARA Switch Type: 5ESS LATA: Detroit MI (340) Tandem: DTRTMIVW20T 🔧 Explore Switch(CLLI: DTRTMINIDS0))
313-647 is split into 1,000-number blocks - detail below
313-647-0XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	DETROITZN2	DTRTMINIDS0	N/A	Prefix Type: RBOC Switch Name: DTRT NIAGARA Switch Type: 5ESS LATA: Detroit MI (340) Tandem: DTRTMIVW20T 🔧 Explore Switch(CLLI: DTRTMINIDS0))
313-647-3XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	DETROITZN2	DTRTMINIDS0	N/A	Prefix Type: RBOC Switch Name: DTRT NIAGARA Switch Type: 5ESS LATA: Detroit MI (340) Tandem: DTRTMIVW20T 🔧 Explore Switch(CLLI: DTRTMINIDS0))
313-647-5XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	DETROITZN2	DTRTMINIDS0	N/A	Prefix Type: RBOC Switch Name: DTRT NIAGARA Switch Type: 5ESS LATA: Detroit MI (340) Tandem: DTRTMIVW20T 🔧 Explore Switch(CLLI: DTRTMINIDS0))
313-647-9XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	DETROITZN2	DTRTMINIDS0	N/A	Prefix Type: RBOC Switch Name: DTRT NIAGARA Switch Type: 5ESS LATA: Detroit MI (340) Tandem: DTRTMIVW20T 🔧 Explore Switch(CLLI: DTRTMINIDS0))
313-653	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	DETROITZN4	DTRTMIVTDS0	00/00/0000	Prefix Type: RBOC Switch Name: DTRT VERMONT DS0 Switch Type: DMS100 LATA: Detroit MI (340) Tandem: DTRTMIBH20T 🔧 Explore Switch(CLLI: DTRTMIVTDS0))
313-653 is split into 1,000-number blocks - detail below
313-653-0XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	DETROITZN4	DTRTMIVTDS0	N/A	Prefix Type: RBOC Switch Name: DTRT VERMONT DS0 Switch Type: DMS100 LATA: Detroit MI (340) Tandem: DTRTMIBH20T 🔧 Explore Switch(CLLI: DTRTMIVTDS0))
313-653-3XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	DETROITZN4	DTRTMIVTDS0	N/A	Prefix Type: RBOC Switch Name: DTRT VERMONT DS0 Switch Type: DMS100 LATA: Detroit MI (340) Tandem: DTRTMIBH20T 🔧 Explore Switch(CLLI: DTRTMIVTDS0))
313-653-4XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	DETROITZN4	DTRTMIVTDS0	N/A	Prefix Type: RBOC Switch Name: DTRT VERMONT DS0 Switch Type: DMS100 LATA: Detroit MI (340) Tandem: DTRTMIBH20T 🔧 Explore Switch(CLLI: DTRTMIVTDS0))
313-656	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	DETROITZN1	DTRTMIRVDS0	00/00/0000	Prefix Type: RBOC Switch Name: DTRT RIVERFRONT DS0 Switch Type: DMS100 LATA: Detroit MI (340) Tandem: DTRTMIVW20T 🔧 Explore Switch(CLLI: DTRTMIRVDS0))
313-656 is split into 1,000-number blocks - detail below
313-656-0XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	DETROITZN1	DTRTMIRVDS0	N/A	Prefix Type: RBOC Switch Name: DTRT RIVERFRONT DS0 Switch Type: DMS100 LATA: Detroit MI (340) Tandem: DTRTMIVW20T 🔧 Explore Switch(CLLI: DTRTMIRVDS0))
313-656-2XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	DETROITZN1	DTRTMIRVDS0	N/A	Prefix Type: RBOC Switch Name: DTRT RIVERFRONT DS0 Switch Type: DMS100 LATA: Detroit MI (340) Tandem: DTRTMIVW20T 🔧 Explore Switch(CLLI: DTRTMIRVDS0))
313-656-3XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	DETROITZN1	DTRTMIRVDS0	N/A	Prefix Type: RBOC Switch Name: DTRT RIVERFRONT DS0 Switch Type: DMS100 LATA: Detroit MI (340) Tandem: DTRTMIVW20T 🔧 Explore Switch(CLLI: DTRTMIRVDS0))
313-656-5XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	DETROITZN1	DTRTMIRVDS0	N/A	Prefix Type: RBOC Switch Name: DTRT RIVERFRONT DS0 Switch Type: DMS100 LATA: Detroit MI (340) Tandem: DTRTMIVW20T 🔧 Explore Switch(CLLI: DTRTMIRVDS0))
313-656-6XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	DETROITZN1	DTRTMIRVDS0	N/A	Prefix Type: RBOC Switch Name: DTRT RIVERFRONT DS0 Switch Type: DMS100 LATA: Detroit MI (340) Tandem: DTRTMIVW20T 🔧 Explore Switch(CLLI: DTRTMIRVDS0))
313-659	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	DETROITZN4	DTRTMIVTDS0	00/00/0000	Prefix Type: RBOC Switch Name: DTRT VERMONT DS0 Switch Type: DMS100 LATA: Detroit MI (340) Tandem: DTRTMIBH20T 🔧 Explore Switch(CLLI: DTRTMIVTDS0))
313-659 is split into 1,000-number blocks - detail below
313-659-0XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	DETROITZN4	DTRTMIVTDS0	N/A	Prefix Type: RBOC Switch Name: DTRT VERMONT DS0 Switch Type: DMS100 LATA: Detroit MI (340) Tandem: DTRTMIBH20T 🔧 Explore Switch(CLLI: DTRTMIVTDS0))
313-659-1XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	DETROITZN4	DTRTMIVTDS0	N/A	Prefix Type: RBOC Switch Name: DTRT VERMONT DS0 Switch Type: DMS100 LATA: Detroit MI (340) Tandem: DTRTMIBH20T 🔧 Explore Switch(CLLI: DTRTMIVTDS0))
313-659-2XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	DETROITZN4	DTRTMIVTDS0	N/A	Prefix Type: RBOC Switch Name: DTRT VERMONT DS0 Switch Type: DMS100 LATA: Detroit MI (340) Tandem: DTRTMIBH20T 🔧 Explore Switch(CLLI: DTRTMIVTDS0))
313-659-5XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	DETROITZN4	DTRTMIVTDS0	N/A	Prefix Type: RBOC Switch Name: DTRT VERMONT DS0 Switch Type: DMS100 LATA: Detroit MI (340) Tandem: DTRTMIBH20T 🔧 Explore Switch(CLLI: DTRTMIVTDS0))
313-659-7XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	DETROITZN4	DTRTMIVTDS0	N/A	Prefix Type: RBOC Switch Name: DTRT VERMONT DS0 Switch Type: DMS100 LATA: Detroit MI (340) Tandem: DTRTMIBH20T 🔧 Explore Switch(CLLI: DTRTMIVTDS0))
313-659-9XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	DETROITZN4	DTRTMIVTDS0	N/A	Prefix Type: RBOC Switch Name: DTRT VERMONT DS0 Switch Type: DMS100 LATA: Detroit MI (340) Tandem: DTRTMIBH20T 🔧 Explore Switch(CLLI: DTRTMIVTDS0))
313-664	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	DETROITZN1	DTRTMIMDRPA	00/00/0000	Prefix Type: RBOC Switch Name: DETROIT Switch Type: N/A LATA: Detroit MI (340) Tandem: N/A 🔧 Explore Switch(CLLI: DTRTMIMDRPA))
313-665	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	DETROITZN1	DTRTMIRVDS0	00/00/0000	Prefix Type: RBOC Switch Name: DTRT RIVERFRONT DS0 Switch Type: DMS100 LATA: Detroit MI (340) Tandem: DTRTMIVW20T 🔧 Explore Switch(CLLI: DTRTMIRVDS0))
313-667	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	DETROITZN1	DTRTMIRVDS0	00/00/0000	Prefix Type: RBOC Switch Name: DTRT RIVERFRONT DS0 Switch Type: DMS100 LATA: Detroit MI (340) Tandem: DTRTMIVW20T 🔧 Explore Switch(CLLI: DTRTMIRVDS0))
313-722	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	DETROITZN6	DRBRMIFBDS1	00/00/0000	Prefix Type: RBOC Switch Name: DRBR FAIRBORN DS1 Switch Type: DMS100 LATA: Detroit MI (340) Tandem: DTRTMIVW20T 🔧 Explore Switch(CLLI: DRBRMIFBDS1))
313-722 is split into 1,000-number blocks - detail below
313-722-1XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	DETROITZN6	DRBRMIFBDS1	N/A	Prefix Type: RBOC Switch Name: DRBR FAIRBORN DS1 Switch Type: DMS100 LATA: Detroit MI (340) Tandem: DTRTMIVW20T 🔧 Explore Switch(CLLI: DRBRMIFBDS1))
313-724	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	DETROITZN6	DRBRMIDBDS0	00/00/0000	Prefix Type: RBOC Switch Name: DEARBORN DS0 Switch Type: 5ESS LATA: Detroit MI (340) Tandem: WAYNMIMN20T 🔧 Explore Switch(CLLI: DRBRMIDBDS0))
313-724 is split into 1,000-number blocks - detail below
313-724-0XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	DETROITZN6	DRBRMIDBDS0	N/A	Prefix Type: RBOC Switch Name: DEARBORN DS0 Switch Type: 5ESS LATA: Detroit MI (340) Tandem: WAYNMIMN20T 🔧 Explore Switch(CLLI: DRBRMIDBDS0))
313-724-1XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	DETROITZN6	DRBRMIDBDS0	N/A	Prefix Type: RBOC Switch Name: DEARBORN DS0 Switch Type: 5ESS LATA: Detroit MI (340) Tandem: WAYNMIMN20T 🔧 Explore Switch(CLLI: DRBRMIDBDS0))
313-724-4XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	DETROITZN6	DRBRMIDBDS0	N/A	Prefix Type: RBOC Switch Name: DEARBORN DS0 Switch Type: 5ESS LATA: Detroit MI (340) Tandem: WAYNMIMN20T 🔧 Explore Switch(CLLI: DRBRMIDBDS0))
313-724-5XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	DETROITZN6	DRBRMIDBDS0	N/A	Prefix Type: RBOC Switch Name: DEARBORN DS0 Switch Type: 5ESS LATA: Detroit MI (340) Tandem: WAYNMIMN20T 🔧 Explore Switch(CLLI: DRBRMIDBDS0))
313-724-8XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	DETROITZN6	DRBRMIDBDS0	N/A	Prefix Type: RBOC Switch Name: DEARBORN DS0 Switch Type: 5ESS LATA: Detroit MI (340) Tandem: WAYNMIMN20T 🔧 Explore Switch(CLLI: DRBRMIDBDS0))
313-724-9XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	DETROITZN6	DRBRMIDBDS0	N/A	Prefix Type: RBOC Switch Name: DEARBORN DS0 Switch Type: 5ESS LATA: Detroit MI (340) Tandem: WAYNMIMN20T 🔧 Explore Switch(CLLI: DRBRMIDBDS0))
313-730	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	DETROITZN6	DRBRMIDBDS0	00/00/0000	Prefix Type: RBOC Switch Name: DEARBORN DS0 Switch Type: 5ESS LATA: Detroit MI (340) Tandem: WAYNMIMN20T 🔧 Explore Switch(CLLI: DRBRMIDBDS0))
313-730 is split into 1,000-number blocks - detail below
313-730-0XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	DETROITZN6	DRBRMIDBDS0	N/A	Prefix Type: RBOC Switch Name: DEARBORN DS0 Switch Type: 5ESS LATA: Detroit MI (340) Tandem: WAYNMIMN20T 🔧 Explore Switch(CLLI: DRBRMIDBDS0))
313-730-1XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	DETROITZN6	DRBRMIDBDS0	N/A	Prefix Type: RBOC Switch Name: DEARBORN DS0 Switch Type: 5ESS LATA: Detroit MI (340) Tandem: WAYNMIMN20T 🔧 Explore Switch(CLLI: DRBRMIDBDS0))
313-730-2XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	DETROITZN6	DRBRMIDBDS0	N/A	Prefix Type: RBOC Switch Name: DEARBORN DS0 Switch Type: 5ESS LATA: Detroit MI (340) Tandem: WAYNMIMN20T 🔧 Explore Switch(CLLI: DRBRMIDBDS0))
313-730-3XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	DETROITZN6	DRBRMIDBDS0	N/A	Prefix Type: RBOC Switch Name: DEARBORN DS0 Switch Type: 5ESS LATA: Detroit MI (340) Tandem: WAYNMIMN20T 🔧 Explore Switch(CLLI: DRBRMIDBDS0))
313-730-5XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	DETROITZN6	DRBRMIDBDS0	N/A	Prefix Type: RBOC Switch Name: DEARBORN DS0 Switch Type: 5ESS LATA: Detroit MI (340) Tandem: WAYNMIMN20T 🔧 Explore Switch(CLLI: DRBRMIDBDS0))
313-730-6XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	DETROITZN6	DRBRMIDBDS0	N/A	Prefix Type: RBOC Switch Name: DEARBORN DS0 Switch Type: 5ESS LATA: Detroit MI (340) Tandem: WAYNMIMN20T 🔧 Explore Switch(CLLI: DRBRMIDBDS0))
313-730-7XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	DETROITZN6	DRBRMIDBDS0	N/A	Prefix Type: RBOC Switch Name: DEARBORN DS0 Switch Type: 5ESS LATA: Detroit MI (340) Tandem: WAYNMIMN20T 🔧 Explore Switch(CLLI: DRBRMIDBDS0))
313-730-8XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	DETROITZN6	DRBRMIDBDS0	N/A	Prefix Type: RBOC Switch Name: DEARBORN DS0 Switch Type: 5ESS LATA: Detroit MI (340) Tandem: WAYNMIMN20T 🔧 Explore Switch(CLLI: DRBRMIDBDS0))
313-730-9XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	DETROITZN6	DRBRMIDBDS0	N/A	Prefix Type: RBOC Switch Name: DEARBORN DS0 Switch Type: 5ESS LATA: Detroit MI (340) Tandem: WAYNMIMN20T 🔧 Explore Switch(CLLI: DRBRMIDBDS0))
313-745	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	DETROITZN1	DTRTMICLDS0	00/00/0000	Prefix Type: RBOC Switch Name: DTRT COLUMBIA Switch Type: DMS100 LATA: Detroit MI (340) Tandem: DTRTMIVW20T 🔧 Explore Switch(CLLI: DTRTMICLDS0))
313-755	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	DETROITZN6	DRBRMIFBDS1	00/00/0000	Prefix Type: RBOC Switch Name: DRBR FAIRBORN DS1 Switch Type: DMS100 LATA: Detroit MI (340) Tandem: DTRTMIVW20T 🔧 Explore Switch(CLLI: DRBRMIFBDS1))
313-758	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	DETROITZN1	DTRTMIMDRPA	05/25/2001	Prefix Type: RBOC Switch Name: DETROIT Switch Type: N/A LATA: Detroit MI (340) Tandem: N/A 🔧 Explore Switch(CLLI: DTRTMIMDRPA))
313-758 is split into 1,000-number blocks - detail below
313-758-0XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	DETROITZN1	DTRTMIMDRPA	N/A	Prefix Type: RBOC Switch Name: DETROIT Switch Type: N/A LATA: Detroit MI (340) Tandem: N/A 🔧 Explore Switch(CLLI: DTRTMIMDRPA))
313-758-2XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	DETROITZN1	DTRTMIMDRPA	N/A	Prefix Type: RBOC Switch Name: DETROIT Switch Type: N/A LATA: Detroit MI (340) Tandem: N/A 🔧 Explore Switch(CLLI: DTRTMIMDRPA))
313-758-3XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	DETROITZN1	DTRTMIMDRPA	N/A	Prefix Type: RBOC Switch Name: DETROIT Switch Type: N/A LATA: Detroit MI (340) Tandem: N/A 🔧 Explore Switch(CLLI: DTRTMIMDRPA))
313-758-4XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	DETROITZN1	DTRTMIMDRPA	N/A	Prefix Type: RBOC Switch Name: DETROIT Switch Type: N/A LATA: Detroit MI (340) Tandem: N/A 🔧 Explore Switch(CLLI: DTRTMIMDRPA))
313-758-5XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	DETROITZN1	DTRTMIMDRPA	N/A	Prefix Type: RBOC Switch Name: DETROIT Switch Type: N/A LATA: Detroit MI (340) Tandem: N/A 🔧 Explore Switch(CLLI: DTRTMIMDRPA))
313-760	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	DETROITZN1	DTRTMIBHDS1	00/00/0000	Prefix Type: RBOC Switch Name: DTRT HDQTRS DS1 Switch Type: DMS100 LATA: Detroit MI (340) Tandem: DTRTMIVW20T 🔧 Explore Switch(CLLI: DTRTMIBHDS1))
313-772	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	DETROITZN4	DTRTMIUVDS0	00/00/0000	Prefix Type: RBOC Switch Name: DTRT UNIVERSITY DS0 Switch Type: DMS100 LATA: Detroit MI (340) Tandem: DTRTMIVW20T 🔧 Explore Switch(CLLI: DTRTMIUVDS0))
313-772 is split into 1,000-number blocks - detail below
313-772-6XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	DETROITZN4	DTRTMIUVDS0	N/A	Prefix Type: RBOC Switch Name: DTRT UNIVERSITY DS0 Switch Type: DMS100 LATA: Detroit MI (340) Tandem: DTRTMIVW20T 🔧 Explore Switch(CLLI: DTRTMIUVDS0))
313-780	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	DETROITZN5	SFLDMIOKDS0	00/00/0000	Prefix Type: RBOC Switch Name: SFLD OAKFIELD DS0 Switch Type: 5ESS LATA: Detroit MI (340) Tandem: WBFDMIMN20T 🔧 Explore Switch(CLLI: SFLDMIOKDS0))
313-782	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	DETROITZN1	DTRTMIBHDS1	06/22/2012	Prefix Type: RBOC Switch Name: DTRT HDQTRS DS1 Switch Type: DMS100 LATA: Detroit MI (340) Tandem: DTRTMIVW20T 🔧 Explore Switch(CLLI: DTRTMIBHDS1))
313-782 is split into 1,000-number blocks - detail below
313-782-0XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	DETROITZN1	DTRTMIBHDS1	06/26/2012	Prefix Type: RBOC Switch Name: DTRT HDQTRS DS1 Switch Type: DMS100 LATA: Detroit MI (340) Tandem: DTRTMIVW20T 🔧 Explore Switch(CLLI: DTRTMIBHDS1))
313-782-7XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	DETROITZN1	DTRTMIBHDS1	06/26/2012	Prefix Type: RBOC Switch Name: DTRT HDQTRS DS1 Switch Type: DMS100 LATA: Detroit MI (340) Tandem: DTRTMIVW20T 🔧 Explore Switch(CLLI: DTRTMIBHDS1))
313-782-8XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	DETROITZN1	DTRTMIBHDS1	06/26/2012	Prefix Type: RBOC Switch Name: DTRT HDQTRS DS1 Switch Type: DMS100 LATA: Detroit MI (340) Tandem: DTRTMIVW20T 🔧 Explore Switch(CLLI: DTRTMIBHDS1))
313-782-9XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	DETROITZN1	DTRTMIBHDS1	06/26/2012	Prefix Type: RBOC Switch Name: DTRT HDQTRS DS1 Switch Type: DMS100 LATA: Detroit MI (340) Tandem: DTRTMIVW20T 🔧 Explore Switch(CLLI: DTRTMIBHDS1))
313-786	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	DETROITZN5	SFLDMIMNDS1	00/00/0000	Prefix Type: RBOC Switch Name: SOUTHFIELD DS1 Switch Type: DMS100 LATA: Detroit MI (340) Tandem: WBFDMIMN20T 🔧 Explore Switch(CLLI: SFLDMIMNDS1))
313-791	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	DETROITZN6	DRBRMIDBDS0	00/00/0000	Prefix Type: RBOC Switch Name: DEARBORN DS0 Switch Type: 5ESS LATA: Detroit MI (340) Tandem: WAYNMIMN20T 🔧 Explore Switch(CLLI: DRBRMIDBDS0))
313-791 is split into 1,000-number blocks - detail below
313-791-0XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	DETROITZN6	DRBRMIDBDS0	N/A	Prefix Type: RBOC Switch Name: DEARBORN DS0 Switch Type: 5ESS LATA: Detroit MI (340) Tandem: WAYNMIMN20T 🔧 Explore Switch(CLLI: DRBRMIDBDS0))
313-791-2XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	DETROITZN6	DRBRMIDBDS0	N/A	Prefix Type: RBOC Switch Name: DEARBORN DS0 Switch Type: 5ESS LATA: Detroit MI (340) Tandem: WAYNMIMN20T 🔧 Explore Switch(CLLI: DRBRMIDBDS0))
313-791-3XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	DETROITZN6	DRBRMIDBDS0	N/A	Prefix Type: RBOC Switch Name: DEARBORN DS0 Switch Type: 5ESS LATA: Detroit MI (340) Tandem: WAYNMIMN20T 🔧 Explore Switch(CLLI: DRBRMIDBDS0))
313-791-5XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	DETROITZN6	DRBRMIDBDS0	N/A	Prefix Type: RBOC Switch Name: DEARBORN DS0 Switch Type: 5ESS LATA: Detroit MI (340) Tandem: WAYNMIMN20T 🔧 Explore Switch(CLLI: DRBRMIDBDS0))
313-791-6XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	DETROITZN6	DRBRMIDBDS0	N/A	Prefix Type: RBOC Switch Name: DEARBORN DS0 Switch Type: 5ESS LATA: Detroit MI (340) Tandem: WAYNMIMN20T 🔧 Explore Switch(CLLI: DRBRMIDBDS0))
313-791-8XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	DETROITZN6	DRBRMIDBDS0	N/A	Prefix Type: RBOC Switch Name: DEARBORN DS0 Switch Type: 5ESS LATA: Detroit MI (340) Tandem: WAYNMIMN20T 🔧 Explore Switch(CLLI: DRBRMIDBDS0))
313-791-9XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	DETROITZN6	DRBRMIDBDS0	N/A	Prefix Type: RBOC Switch Name: DEARBORN DS0 Switch Type: 5ESS LATA: Detroit MI (340) Tandem: WAYNMIMN20T 🔧 Explore Switch(CLLI: DRBRMIDBDS0))
313-792	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	DETROITZN6	DRBRMIDBDS0	00/00/0000	Prefix Type: RBOC Switch Name: DEARBORN DS0 Switch Type: 5ESS LATA: Detroit MI (340) Tandem: WAYNMIMN20T 🔧 Explore Switch(CLLI: DRBRMIDBDS0))
313-794	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	DETROITZN5	DTRTMIRFDS0	00/00/0000	Prefix Type: RBOC Switch Name: DTRT REDFORD DS0 Switch Type: EWSD LATA: Detroit MI (340) Tandem: DTRTMIVW20T 🔧 Explore Switch(CLLI: DTRTMIRFDS0))
313-794 is split into 1,000-number blocks - detail below
313-794-0XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	DETROITZN5	DTRTMIRFDS0	N/A	Prefix Type: RBOC Switch Name: DTRT REDFORD DS0 Switch Type: EWSD LATA: Detroit MI (340) Tandem: DTRTMIVW20T 🔧 Explore Switch(CLLI: DTRTMIRFDS0))
313-794-1XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	DETROITZN5	DTRTMIRFDS0	N/A	Prefix Type: RBOC Switch Name: DTRT REDFORD DS0 Switch Type: EWSD LATA: Detroit MI (340) Tandem: DTRTMIVW20T 🔧 Explore Switch(CLLI: DTRTMIRFDS0))
313-794-2XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	DETROITZN5	DTRTMIRFDS0	N/A	Prefix Type: RBOC Switch Name: DTRT REDFORD DS0 Switch Type: EWSD LATA: Detroit MI (340) Tandem: DTRTMIVW20T 🔧 Explore Switch(CLLI: DTRTMIRFDS0))
313-794-3XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	DETROITZN5	DTRTMIRFDS0	N/A	Prefix Type: RBOC Switch Name: DTRT REDFORD DS0 Switch Type: EWSD LATA: Detroit MI (340) Tandem: DTRTMIVW20T 🔧 Explore Switch(CLLI: DTRTMIRFDS0))
313-794-4XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	DETROITZN5	DTRTMIRFDS0	N/A	Prefix Type: RBOC Switch Name: DTRT REDFORD DS0 Switch Type: EWSD LATA: Detroit MI (340) Tandem: DTRTMIVW20T 🔧 Explore Switch(CLLI: DTRTMIRFDS0))
313-794-5XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	DETROITZN5	DTRTMIRFDS0	N/A	Prefix Type: RBOC Switch Name: DTRT REDFORD DS0 Switch Type: EWSD LATA: Detroit MI (340) Tandem: DTRTMIVW20T 🔧 Explore Switch(CLLI: DTRTMIRFDS0))
313-794-6XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	DETROITZN5	DTRTMIRFDS0	N/A	Prefix Type: RBOC Switch Name: DTRT REDFORD DS0 Switch Type: EWSD LATA: Detroit MI (340) Tandem: DTRTMIVW20T 🔧 Explore Switch(CLLI: DTRTMIRFDS0))
313-794-7XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	DETROITZN5	DTRTMIRFDS0	N/A	Prefix Type: RBOC Switch Name: DTRT REDFORD DS0 Switch Type: EWSD LATA: Detroit MI (340) Tandem: DTRTMIVW20T 🔧 Explore Switch(CLLI: DTRTMIRFDS0))
313-794-8XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	DETROITZN5	DTRTMIRFDS0	N/A	Prefix Type: RBOC Switch Name: DTRT REDFORD DS0 Switch Type: EWSD LATA: Detroit MI (340) Tandem: DTRTMIVW20T 🔧 Explore Switch(CLLI: DTRTMIRFDS0))
313-821	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	DETROITZN2	DTRTMILXDS0	00/00/0000	Prefix Type: RBOC Switch Name: DTRT LENOX DS0 Switch Type: DMS100 LATA: Detroit MI (340) Tandem: DTRTMIBH20T 🔧 Explore Switch(CLLI: DTRTMILXDS0))
313-821 is split into 1,000-number blocks - detail below
313-821-0XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	DETROITZN2	DTRTMILXDS0	N/A	Prefix Type: RBOC Switch Name: DTRT LENOX DS0 Switch Type: DMS100 LATA: Detroit MI (340) Tandem: DTRTMIBH20T 🔧 Explore Switch(CLLI: DTRTMILXDS0))
313-821-1XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	DETROITZN2	DTRTMILXDS0	N/A	Prefix Type: RBOC Switch Name: DTRT LENOX DS0 Switch Type: DMS100 LATA: Detroit MI (340) Tandem: DTRTMIBH20T 🔧 Explore Switch(CLLI: DTRTMILXDS0))
313-821-2XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	DETROITZN2	DTRTMILXDS0	N/A	Prefix Type: RBOC Switch Name: DTRT LENOX DS0 Switch Type: DMS100 LATA: Detroit MI (340) Tandem: DTRTMIBH20T 🔧 Explore Switch(CLLI: DTRTMILXDS0))
313-821-3XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	DETROITZN2	DTRTMILXDS0	N/A	Prefix Type: RBOC Switch Name: DTRT LENOX DS0 Switch Type: DMS100 LATA: Detroit MI (340) Tandem: DTRTMIBH20T 🔧 Explore Switch(CLLI: DTRTMILXDS0))
313-821-5XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	DETROITZN2	DTRTMILXDS0	N/A	Prefix Type: RBOC Switch Name: DTRT LENOX DS0 Switch Type: DMS100 LATA: Detroit MI (340) Tandem: DTRTMIBH20T 🔧 Explore Switch(CLLI: DTRTMILXDS0))
313-821-8XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	DETROITZN2	DTRTMILXDS0	N/A	Prefix Type: RBOC Switch Name: DTRT LENOX DS0 Switch Type: DMS100 LATA: Detroit MI (340) Tandem: DTRTMIBH20T 🔧 Explore Switch(CLLI: DTRTMILXDS0))
313-821-9XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	DETROITZN2	DTRTMILXDS0	N/A	Prefix Type: RBOC Switch Name: DTRT LENOX DS0 Switch Type: DMS100 LATA: Detroit MI (340) Tandem: DTRTMIBH20T 🔧 Explore Switch(CLLI: DTRTMILXDS0))
313-822	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	DETROITZN2	DTRTMILXDS0	00/00/0000	Prefix Type: RBOC Switch Name: DTRT LENOX DS0 Switch Type: DMS100 LATA: Detroit MI (340) Tandem: DTRTMIBH20T 🔧 Explore Switch(CLLI: DTRTMILXDS0))
313-823	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	DETROITZN2	DTRTMILXDS0	00/00/0000	Prefix Type: RBOC Switch Name: DTRT LENOX DS0 Switch Type: DMS100 LATA: Detroit MI (340) Tandem: DTRTMIBH20T 🔧 Explore Switch(CLLI: DTRTMILXDS0))
313-823 is split into 1,000-number blocks - detail below
313-823-0XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	DETROITZN2	DTRTMILXDS0	N/A	Prefix Type: RBOC Switch Name: DTRT LENOX DS0 Switch Type: DMS100 LATA: Detroit MI (340) Tandem: DTRTMIBH20T 🔧 Explore Switch(CLLI: DTRTMILXDS0))
313-823-1XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	DETROITZN2	DTRTMILXDS0	N/A	Prefix Type: RBOC Switch Name: DTRT LENOX DS0 Switch Type: DMS100 LATA: Detroit MI (340) Tandem: DTRTMIBH20T 🔧 Explore Switch(CLLI: DTRTMILXDS0))
313-823-4XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	DETROITZN2	DTRTMILXDS0	N/A	Prefix Type: RBOC Switch Name: DTRT LENOX DS0 Switch Type: DMS100 LATA: Detroit MI (340) Tandem: DTRTMIBH20T 🔧 Explore Switch(CLLI: DTRTMILXDS0))
313-823-6XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	DETROITZN2	DTRTMILXDS0	N/A	Prefix Type: RBOC Switch Name: DTRT LENOX DS0 Switch Type: DMS100 LATA: Detroit MI (340) Tandem: DTRTMIBH20T 🔧 Explore Switch(CLLI: DTRTMILXDS0))
313-823-7XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	DETROITZN2	DTRTMILXDS0	N/A	Prefix Type: RBOC Switch Name: DTRT LENOX DS0 Switch Type: DMS100 LATA: Detroit MI (340) Tandem: DTRTMIBH20T 🔧 Explore Switch(CLLI: DTRTMILXDS0))
313-823-8XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	DETROITZN2	DTRTMILXDS0	N/A	Prefix Type: RBOC Switch Name: DTRT LENOX DS0 Switch Type: DMS100 LATA: Detroit MI (340) Tandem: DTRTMIBH20T 🔧 Explore Switch(CLLI: DTRTMILXDS0))
313-823-9XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	DETROITZN2	DTRTMILXDS0	N/A	Prefix Type: RBOC Switch Name: DTRT LENOX DS0 Switch Type: DMS100 LATA: Detroit MI (340) Tandem: DTRTMIBH20T 🔧 Explore Switch(CLLI: DTRTMILXDS0))
313-824	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	DETROITZN2	DTRTMILXDS0	00/00/0000	Prefix Type: RBOC Switch Name: DTRT LENOX DS0 Switch Type: DMS100 LATA: Detroit MI (340) Tandem: DTRTMIBH20T 🔧 Explore Switch(CLLI: DTRTMILXDS0))
313-824 is split into 1,000-number blocks - detail below
313-824-0XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	DETROITZN2	DTRTMILXDS0	N/A	Prefix Type: RBOC Switch Name: DTRT LENOX DS0 Switch Type: DMS100 LATA: Detroit MI (340) Tandem: DTRTMIBH20T 🔧 Explore Switch(CLLI: DTRTMILXDS0))
313-824-2XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	DETROITZN2	DTRTMILXDS0	N/A	Prefix Type: RBOC Switch Name: DTRT LENOX DS0 Switch Type: DMS100 LATA: Detroit MI (340) Tandem: DTRTMIBH20T 🔧 Explore Switch(CLLI: DTRTMILXDS0))
313-824-4XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	DETROITZN2	DTRTMILXDS0	N/A	Prefix Type: RBOC Switch Name: DTRT LENOX DS0 Switch Type: DMS100 LATA: Detroit MI (340) Tandem: DTRTMIBH20T 🔧 Explore Switch(CLLI: DTRTMILXDS0))
313-824-5XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	DETROITZN2	DTRTMILXDS0	N/A	Prefix Type: RBOC Switch Name: DTRT LENOX DS0 Switch Type: DMS100 LATA: Detroit MI (340) Tandem: DTRTMIBH20T 🔧 Explore Switch(CLLI: DTRTMILXDS0))
313-824-6XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	DETROITZN2	DTRTMILXDS0	N/A	Prefix Type: RBOC Switch Name: DTRT LENOX DS0 Switch Type: DMS100 LATA: Detroit MI (340) Tandem: DTRTMIBH20T 🔧 Explore Switch(CLLI: DTRTMILXDS0))
313-824-9XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	DETROITZN2	DTRTMILXDS0	N/A	Prefix Type: RBOC Switch Name: DTRT LENOX DS0 Switch Type: DMS100 LATA: Detroit MI (340) Tandem: DTRTMIBH20T 🔧 Explore Switch(CLLI: DTRTMILXDS0))
313-831	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	DETROITZN1	DTRTMICLDS0	00/00/0000	Prefix Type: RBOC Switch Name: DTRT COLUMBIA Switch Type: DMS100 LATA: Detroit MI (340) Tandem: DTRTMIVW20T 🔧 Explore Switch(CLLI: DTRTMICLDS0))
313-831 is split into 1,000-number blocks - detail below
313-831-0XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	DETROITZN1	DTRTMICLDS0	N/A	Prefix Type: RBOC Switch Name: DTRT COLUMBIA Switch Type: DMS100 LATA: Detroit MI (340) Tandem: DTRTMIVW20T 🔧 Explore Switch(CLLI: DTRTMICLDS0))
313-831-1XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	DETROITZN1	DTRTMICLDS0	N/A	Prefix Type: RBOC Switch Name: DTRT COLUMBIA Switch Type: DMS100 LATA: Detroit MI (340) Tandem: DTRTMIVW20T 🔧 Explore Switch(CLLI: DTRTMICLDS0))
313-831-2XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	DETROITZN1	DTRTMICLDS0	N/A	Prefix Type: RBOC Switch Name: DTRT COLUMBIA Switch Type: DMS100 LATA: Detroit MI (340) Tandem: DTRTMIVW20T 🔧 Explore Switch(CLLI: DTRTMICLDS0))
313-831-3XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	DETROITZN1	DTRTMICLDS0	N/A	Prefix Type: RBOC Switch Name: DTRT COLUMBIA Switch Type: DMS100 LATA: Detroit MI (340) Tandem: DTRTMIVW20T 🔧 Explore Switch(CLLI: DTRTMICLDS0))
313-831-4XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	DETROITZN1	DTRTMICLDS0	N/A	Prefix Type: RBOC Switch Name: DTRT COLUMBIA Switch Type: DMS100 LATA: Detroit MI (340) Tandem: DTRTMIVW20T 🔧 Explore Switch(CLLI: DTRTMICLDS0))
313-831-5XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	DETROITZN1	DTRTMICLDS0	N/A	Prefix Type: RBOC Switch Name: DTRT COLUMBIA Switch Type: DMS100 LATA: Detroit MI (340) Tandem: DTRTMIVW20T 🔧 Explore Switch(CLLI: DTRTMICLDS0))
313-831-8XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	DETROITZN1	DTRTMICLDS0	N/A	Prefix Type: RBOC Switch Name: DTRT COLUMBIA Switch Type: DMS100 LATA: Detroit MI (340) Tandem: DTRTMIVW20T 🔧 Explore Switch(CLLI: DTRTMICLDS0))
313-831-9XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	DETROITZN1	DTRTMICLDS0	N/A	Prefix Type: RBOC Switch Name: DTRT COLUMBIA Switch Type: DMS100 LATA: Detroit MI (340) Tandem: DTRTMIVW20T 🔧 Explore Switch(CLLI: DTRTMICLDS0))
313-832	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	DETROITZN1	DTRTMICLDS0	00/00/0000	Prefix Type: RBOC Switch Name: DTRT COLUMBIA Switch Type: DMS100 LATA: Detroit MI (340) Tandem: DTRTMIVW20T 🔧 Explore Switch(CLLI: DTRTMICLDS0))
313-833	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	DETROITZN1	DTRTMICLDS0	00/00/0000	Prefix Type: RBOC Switch Name: DTRT COLUMBIA Switch Type: DMS100 LATA: Detroit MI (340) Tandem: DTRTMIVW20T 🔧 Explore Switch(CLLI: DTRTMICLDS0))
313-834	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	DETROITZN4	DTRTMIHGDS0	00/00/0000	Prefix Type: RBOC Switch Name: DTRT HOGARTH DS0 Switch Type: DMS100 LATA: Detroit MI (340) Tandem: DTRTMIBH20T 🔧 Explore Switch(CLLI: DTRTMIHGDS0))
313-835	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	DETROITZN4	DTRTMIVTDS0	00/00/0000	Prefix Type: RBOC Switch Name: DTRT VERMONT DS0 Switch Type: DMS100 LATA: Detroit MI (340) Tandem: DTRTMIBH20T 🔧 Explore Switch(CLLI: DTRTMIVTDS0))
313-836	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	DETROITZN4	DTRTMIVTDS0	00/00/0000	Prefix Type: RBOC Switch Name: DTRT VERMONT DS0 Switch Type: DMS100 LATA: Detroit MI (340) Tandem: DTRTMIBH20T 🔧 Explore Switch(CLLI: DTRTMIVTDS0))
313-837	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	DETROITZN4	DTRTMIVTDS0	00/00/0000	Prefix Type: RBOC Switch Name: DTRT VERMONT DS0 Switch Type: DMS100 LATA: Detroit MI (340) Tandem: DTRTMIBH20T 🔧 Explore Switch(CLLI: DTRTMIVTDS0))
313-838	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	DETROITZN4	DTRTMIVTDS0	00/00/0000	Prefix Type: RBOC Switch Name: DTRT VERMONT DS0 Switch Type: DMS100 LATA: Detroit MI (340) Tandem: DTRTMIBH20T 🔧 Explore Switch(CLLI: DTRTMIVTDS0))
313-839	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	DETROITZN2	DTRTMIPGDS0	00/00/0000	Prefix Type: RBOC Switch Name: DTRT PINGREE DS0 Switch Type: DMS100 LATA: Detroit MI (340) Tandem: DTRTMIVW20T 🔧 Explore Switch(CLLI: DTRTMIPGDS0))
313-841	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	DETROITZN6	DTRTMIVWDS0	00/00/0000	Prefix Type: RBOC Switch Name: DTRT VINEWOOD DS0 Switch Type: DMS100 LATA: Detroit MI (340) Tandem: DTRTMIVW20T 🔧 Explore Switch(CLLI: DTRTMIVWDS0))
313-842	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	DETROITZN6	DTRTMIVWDS0	00/00/0000	Prefix Type: RBOC Switch Name: DTRT VINEWOOD DS0 Switch Type: DMS100 LATA: Detroit MI (340) Tandem: DTRTMIVW20T 🔧 Explore Switch(CLLI: DTRTMIVWDS0))
313-843	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	DETROITZN6	DTRTMIVWDS0	00/00/0000	Prefix Type: RBOC Switch Name: DTRT VINEWOOD DS0 Switch Type: DMS100 LATA: Detroit MI (340) Tandem: DTRTMIVW20T 🔧 Explore Switch(CLLI: DTRTMIVWDS0))
313-845	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	DETROITZN6	DRBRMIFBDS1	00/00/0000	Prefix Type: RBOC Switch Name: DRBR FAIRBORN DS1 Switch Type: DMS100 LATA: Detroit MI (340) Tandem: DTRTMIVW20T 🔧 Explore Switch(CLLI: DRBRMIFBDS1))
313-846	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	DETROITZN6	DRBRMIORDS0	00/00/0000	Prefix Type: RBOC Switch Name: DRBR OREGON DS0 Switch Type: DMS100 LATA: Detroit MI (340) Tandem: DTRTMIVW20T 🔧 Explore Switch(CLLI: DRBRMIORDS0))
313-849	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	DETROITZN6	DTRTMIVWDS0	00/00/0000	Prefix Type: RBOC Switch Name: DTRT VINEWOOD DS0 Switch Type: DMS100 LATA: Detroit MI (340) Tandem: DTRTMIVW20T 🔧 Explore Switch(CLLI: DTRTMIVWDS0))
313-852	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	DETROITZN3	HGPKMITSDS0	00/00/0000	Prefix Type: RBOC Switch Name: HIGHLAND PARK Switch Type: DMS100 LATA: Detroit MI (340) Tandem: DTRTMIVW20T 🔧 Explore Switch(CLLI: HGPKMITSDS0))
313-861	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	DETROITZN4	DTRTMIUVDS0	00/00/0000	Prefix Type: RBOC Switch Name: DTRT UNIVERSITY DS0 Switch Type: DMS100 LATA: Detroit MI (340) Tandem: DTRTMIVW20T 🔧 Explore Switch(CLLI: DTRTMIUVDS0))
313-862	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	DETROITZN4	DTRTMIUVDS0	00/00/0000	Prefix Type: RBOC Switch Name: DTRT UNIVERSITY DS0 Switch Type: DMS100 LATA: Detroit MI (340) Tandem: DTRTMIVW20T 🔧 Explore Switch(CLLI: DTRTMIUVDS0))
313-863	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	DETROITZN4	DTRTMIUVDS0	00/00/0000	Prefix Type: RBOC Switch Name: DTRT UNIVERSITY DS0 Switch Type: DMS100 LATA: Detroit MI (340) Tandem: DTRTMIVW20T 🔧 Explore Switch(CLLI: DTRTMIUVDS0))
313-864	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	DETROITZN4	DTRTMIUVDS0	00/00/0000	Prefix Type: RBOC Switch Name: DTRT UNIVERSITY DS0 Switch Type: DMS100 LATA: Detroit MI (340) Tandem: DTRTMIVW20T 🔧 Explore Switch(CLLI: DTRTMIUVDS0))
313-865	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	DETROITZN3	HGPKMITSDS0	00/00/0000	Prefix Type: RBOC Switch Name: HIGHLAND PARK Switch Type: DMS100 LATA: Detroit MI (340) Tandem: DTRTMIVW20T 🔧 Explore Switch(CLLI: HGPKMITSDS0))
313-866	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	DETROITZN3	HGPKMITSDS0	00/00/0000	Prefix Type: RBOC Switch Name: HIGHLAND PARK Switch Type: DMS100 LATA: Detroit MI (340) Tandem: DTRTMIVW20T 🔧 Explore Switch(CLLI: HGPKMITSDS0))
313-867	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	DETROITZN3	HGPKMITSDS0	00/00/0000	Prefix Type: RBOC Switch Name: HIGHLAND PARK Switch Type: DMS100 LATA: Detroit MI (340) Tandem: DTRTMIVW20T 🔧 Explore Switch(CLLI: HGPKMITSDS0))
313-868	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	DETROITZN3	HGPKMITSDS0	00/00/0000	Prefix Type: RBOC Switch Name: HIGHLAND PARK Switch Type: DMS100 LATA: Detroit MI (340) Tandem: DTRTMIVW20T 🔧 Explore Switch(CLLI: HGPKMITSDS0))
313-869	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	DETROITZN3	HGPKMITSDS0	00/00/0000	Prefix Type: RBOC Switch Name: HIGHLAND PARK Switch Type: DMS100 LATA: Detroit MI (340) Tandem: DTRTMIVW20T 🔧 Explore Switch(CLLI: HGPKMITSDS0))
313-870	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	DETROITZN1	DTRTMIMDRPA	00/00/0000	Prefix Type: RBOC Switch Name: DETROIT Switch Type: N/A LATA: Detroit MI (340) Tandem: N/A 🔧 Explore Switch(CLLI: DTRTMIMDRPA))
313-870 is split into 1,000-number blocks - detail below
313-870-0XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	DETROITZN1	DTRTMIMDRPA	N/A	Prefix Type: RBOC Switch Name: DETROIT Switch Type: N/A LATA: Detroit MI (340) Tandem: N/A 🔧 Explore Switch(CLLI: DTRTMIMDRPA))
313-870-1XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	DETROITZN1	DTRTMIMDRPA	N/A	Prefix Type: RBOC Switch Name: DETROIT Switch Type: N/A LATA: Detroit MI (340) Tandem: N/A 🔧 Explore Switch(CLLI: DTRTMIMDRPA))
313-870-2XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	DETROITZN1	DTRTMIMDRPA	N/A	Prefix Type: RBOC Switch Name: DETROIT Switch Type: N/A LATA: Detroit MI (340) Tandem: N/A 🔧 Explore Switch(CLLI: DTRTMIMDRPA))
313-870-3XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	DETROITZN1	DTRTMIMDRPA	N/A	Prefix Type: RBOC Switch Name: DETROIT Switch Type: N/A LATA: Detroit MI (340) Tandem: N/A 🔧 Explore Switch(CLLI: DTRTMIMDRPA))
313-870-4XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	DETROITZN1	DTRTMIMDRPA	N/A	Prefix Type: RBOC Switch Name: DETROIT Switch Type: N/A LATA: Detroit MI (340) Tandem: N/A 🔧 Explore Switch(CLLI: DTRTMIMDRPA))
313-870-5XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	DETROITZN1	DTRTMIMDRPA	N/A	Prefix Type: RBOC Switch Name: DETROIT Switch Type: N/A LATA: Detroit MI (340) Tandem: N/A 🔧 Explore Switch(CLLI: DTRTMIMDRPA))
313-870-6XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	DETROITZN1	DTRTMIMDRPA	N/A	Prefix Type: RBOC Switch Name: DETROIT Switch Type: N/A LATA: Detroit MI (340) Tandem: N/A 🔧 Explore Switch(CLLI: DTRTMIMDRPA))
313-870-9XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	DETROITZN1	DTRTMIMDRPA	N/A	Prefix Type: RBOC Switch Name: DETROIT Switch Type: N/A LATA: Detroit MI (340) Tandem: N/A 🔧 Explore Switch(CLLI: DTRTMIMDRPA))
313-871	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	DETROITZN1	DTRTMIMDRPA	00/00/0000	Prefix Type: RBOC Switch Name: DETROIT Switch Type: N/A LATA: Detroit MI (340) Tandem: N/A 🔧 Explore Switch(CLLI: DTRTMIMDRPA))
313-872	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	DETROITZN1	DTRTMIMDRPA	00/00/0000	Prefix Type: RBOC Switch Name: DETROIT Switch Type: N/A LATA: Detroit MI (340) Tandem: N/A 🔧 Explore Switch(CLLI: DTRTMIMDRPA))
313-872 is split into 1,000-number blocks - detail below
313-872-0XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	DETROITZN1	DTRTMIMDRPA	N/A	Prefix Type: RBOC Switch Name: DETROIT Switch Type: N/A LATA: Detroit MI (340) Tandem: N/A 🔧 Explore Switch(CLLI: DTRTMIMDRPA))
313-872-1XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	DETROITZN1	DTRTMIMDRPA	N/A	Prefix Type: RBOC Switch Name: DETROIT Switch Type: N/A LATA: Detroit MI (340) Tandem: N/A 🔧 Explore Switch(CLLI: DTRTMIMDRPA))
313-872-2XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	DETROITZN1	DTRTMIMDRPA	N/A	Prefix Type: RBOC Switch Name: DETROIT Switch Type: N/A LATA: Detroit MI (340) Tandem: N/A 🔧 Explore Switch(CLLI: DTRTMIMDRPA))
313-872-3XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	DETROITZN1	DTRTMIMDRPA	N/A	Prefix Type: RBOC Switch Name: DETROIT Switch Type: N/A LATA: Detroit MI (340) Tandem: N/A 🔧 Explore Switch(CLLI: DTRTMIMDRPA))
313-872-4XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	DETROITZN1	DTRTMIMDRPA	N/A	Prefix Type: RBOC Switch Name: DETROIT Switch Type: N/A LATA: Detroit MI (340) Tandem: N/A 🔧 Explore Switch(CLLI: DTRTMIMDRPA))
313-872-5XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	DETROITZN1	DTRTMIMDRPA	N/A	Prefix Type: RBOC Switch Name: DETROIT Switch Type: N/A LATA: Detroit MI (340) Tandem: N/A 🔧 Explore Switch(CLLI: DTRTMIMDRPA))
313-872-6XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	DETROITZN1	DTRTMIMDRPA	N/A	Prefix Type: RBOC Switch Name: DETROIT Switch Type: N/A LATA: Detroit MI (340) Tandem: N/A 🔧 Explore Switch(CLLI: DTRTMIMDRPA))
313-872-7XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	DETROITZN1	DTRTMIMDRPA	N/A	Prefix Type: RBOC Switch Name: DETROIT Switch Type: N/A LATA: Detroit MI (340) Tandem: N/A 🔧 Explore Switch(CLLI: DTRTMIMDRPA))
313-872-9XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	DETROITZN1	DTRTMIMDRPA	N/A	Prefix Type: RBOC Switch Name: DETROIT Switch Type: N/A LATA: Detroit MI (340) Tandem: N/A 🔧 Explore Switch(CLLI: DTRTMIMDRPA))
313-873	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	DETROITZN1	DTRTMIMDRPA	00/00/0000	Prefix Type: RBOC Switch Name: DETROIT Switch Type: N/A LATA: Detroit MI (340) Tandem: N/A 🔧 Explore Switch(CLLI: DTRTMIMDRPA))
313-874	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	DETROITZN1	DTRTMIMDRPA	00/00/0000	Prefix Type: RBOC Switch Name: DETROIT Switch Type: N/A LATA: Detroit MI (340) Tandem: N/A 🔧 Explore Switch(CLLI: DTRTMIMDRPA))
313-875	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	DETROITZN1	DTRTMIMDRPA	00/00/0000	Prefix Type: RBOC Switch Name: DETROIT Switch Type: N/A LATA: Detroit MI (340) Tandem: N/A 🔧 Explore Switch(CLLI: DTRTMIMDRPA))
313-876	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	DETROITZN1	DTRTMIMDRPA	00/00/0000	Prefix Type: RBOC Switch Name: DETROIT Switch Type: N/A LATA: Detroit MI (340) Tandem: N/A 🔧 Explore Switch(CLLI: DTRTMIMDRPA))
313-877	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	DETROITZN1	DTRTMIRVDS0	00/00/0000	Prefix Type: RBOC Switch Name: DTRT RIVERFRONT DS0 Switch Type: DMS100 LATA: Detroit MI (340) Tandem: DTRTMIVW20T 🔧 Explore Switch(CLLI: DTRTMIRVDS0))
313-877 is split into 1,000-number blocks - detail below
313-877-0XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	DETROITZN1	DTRTMIRVDS0	N/A	Prefix Type: RBOC Switch Name: DTRT RIVERFRONT DS0 Switch Type: DMS100 LATA: Detroit MI (340) Tandem: DTRTMIVW20T 🔧 Explore Switch(CLLI: DTRTMIRVDS0))
313-877-1XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	DETROITZN1	DTRTMIRVDS0	N/A	Prefix Type: RBOC Switch Name: DTRT RIVERFRONT DS0 Switch Type: DMS100 LATA: Detroit MI (340) Tandem: DTRTMIVW20T 🔧 Explore Switch(CLLI: DTRTMIRVDS0))
313-877-2XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	DETROITZN1	DTRTMIRVDS0	N/A	Prefix Type: RBOC Switch Name: DTRT RIVERFRONT DS0 Switch Type: DMS100 LATA: Detroit MI (340) Tandem: DTRTMIVW20T 🔧 Explore Switch(CLLI: DTRTMIRVDS0))
313-877-4XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	DETROITZN1	DTRTMIRVDS0	N/A	Prefix Type: RBOC Switch Name: DTRT RIVERFRONT DS0 Switch Type: DMS100 LATA: Detroit MI (340) Tandem: DTRTMIVW20T 🔧 Explore Switch(CLLI: DTRTMIRVDS0))
313-877-5XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	DETROITZN1	DTRTMIRVDS0	N/A	Prefix Type: RBOC Switch Name: DTRT RIVERFRONT DS0 Switch Type: DMS100 LATA: Detroit MI (340) Tandem: DTRTMIVW20T 🔧 Explore Switch(CLLI: DTRTMIRVDS0))
313-877-6XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	DETROITZN1	DTRTMIRVDS0	N/A	Prefix Type: RBOC Switch Name: DTRT RIVERFRONT DS0 Switch Type: DMS100 LATA: Detroit MI (340) Tandem: DTRTMIVW20T 🔧 Explore Switch(CLLI: DTRTMIRVDS0))
313-877-7XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	DETROITZN1	DTRTMIRVDS0	N/A	Prefix Type: RBOC Switch Name: DTRT RIVERFRONT DS0 Switch Type: DMS100 LATA: Detroit MI (340) Tandem: DTRTMIVW20T 🔧 Explore Switch(CLLI: DTRTMIRVDS0))
313-877-8XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	DETROITZN1	DTRTMIRVDS0	N/A	Prefix Type: RBOC Switch Name: DTRT RIVERFRONT DS0 Switch Type: DMS100 LATA: Detroit MI (340) Tandem: DTRTMIVW20T 🔧 Explore Switch(CLLI: DTRTMIRVDS0))
313-877-9XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	DETROITZN1	DTRTMIRVDS0	N/A	Prefix Type: RBOC Switch Name: DTRT RIVERFRONT DS0 Switch Type: DMS100 LATA: Detroit MI (340) Tandem: DTRTMIVW20T 🔧 Explore Switch(CLLI: DTRTMIRVDS0))
313-881	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	DETROITZN2	DTRTMINIDS0	00/00/0000	Prefix Type: RBOC Switch Name: DTRT NIAGARA Switch Type: 5ESS LATA: Detroit MI (340) Tandem: DTRTMIVW20T 🔧 Explore Switch(CLLI: DTRTMINIDS0))
313-882	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	DETROITZN2	DTRTMINIDS0	00/00/0000	Prefix Type: RBOC Switch Name: DTRT NIAGARA Switch Type: 5ESS LATA: Detroit MI (340) Tandem: DTRTMIVW20T 🔧 Explore Switch(CLLI: DTRTMINIDS0))
313-883	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	DETROITZN3	HGPKMITSDS0	00/00/0000	Prefix Type: RBOC Switch Name: HIGHLAND PARK Switch Type: DMS100 LATA: Detroit MI (340) Tandem: DTRTMIVW20T 🔧 Explore Switch(CLLI: HGPKMITSDS0))
313-883 is split into 1,000-number blocks - detail below
313-883-0XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	DETROITZN3	HGPKMITSDS0	N/A	Prefix Type: RBOC Switch Name: HIGHLAND PARK Switch Type: DMS100 LATA: Detroit MI (340) Tandem: DTRTMIVW20T 🔧 Explore Switch(CLLI: HGPKMITSDS0))
313-883-1XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	DETROITZN3	HGPKMITSDS0	N/A	Prefix Type: RBOC Switch Name: HIGHLAND PARK Switch Type: DMS100 LATA: Detroit MI (340) Tandem: DTRTMIVW20T 🔧 Explore Switch(CLLI: HGPKMITSDS0))
313-883-2XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	DETROITZN3	HGPKMITSDS0	N/A	Prefix Type: RBOC Switch Name: HIGHLAND PARK Switch Type: DMS100 LATA: Detroit MI (340) Tandem: DTRTMIVW20T 🔧 Explore Switch(CLLI: HGPKMITSDS0))
313-883-3XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	DETROITZN3	HGPKMITSDS0	N/A	Prefix Type: RBOC Switch Name: HIGHLAND PARK Switch Type: DMS100 LATA: Detroit MI (340) Tandem: DTRTMIVW20T 🔧 Explore Switch(CLLI: HGPKMITSDS0))
313-883-4XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	DETROITZN3	HGPKMITSDS0	N/A	Prefix Type: RBOC Switch Name: HIGHLAND PARK Switch Type: DMS100 LATA: Detroit MI (340) Tandem: DTRTMIVW20T 🔧 Explore Switch(CLLI: HGPKMITSDS0))
313-883-6XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	DETROITZN3	HGPKMITSDS0	N/A	Prefix Type: RBOC Switch Name: HIGHLAND PARK Switch Type: DMS100 LATA: Detroit MI (340) Tandem: DTRTMIVW20T 🔧 Explore Switch(CLLI: HGPKMITSDS0))
313-883-7XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	DETROITZN3	HGPKMITSDS0	N/A	Prefix Type: RBOC Switch Name: HIGHLAND PARK Switch Type: DMS100 LATA: Detroit MI (340) Tandem: DTRTMIVW20T 🔧 Explore Switch(CLLI: HGPKMITSDS0))
313-883-8XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	DETROITZN3	HGPKMITSDS0	N/A	Prefix Type: RBOC Switch Name: HIGHLAND PARK Switch Type: DMS100 LATA: Detroit MI (340) Tandem: DTRTMIVW20T 🔧 Explore Switch(CLLI: HGPKMITSDS0))
313-884	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	DETROITZN2	DTRTMINIDS0	00/00/0000	Prefix Type: RBOC Switch Name: DTRT NIAGARA Switch Type: 5ESS LATA: Detroit MI (340) Tandem: DTRTMIVW20T 🔧 Explore Switch(CLLI: DTRTMINIDS0))
313-885	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	DETROITZN2	DTRTMINIDS0	00/00/0000	Prefix Type: RBOC Switch Name: DTRT NIAGARA Switch Type: 5ESS LATA: Detroit MI (340) Tandem: DTRTMIVW20T 🔧 Explore Switch(CLLI: DTRTMINIDS0))
313-886	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	DETROITZN2	DTRTMINIDS0	00/00/0000	Prefix Type: RBOC Switch Name: DTRT NIAGARA Switch Type: 5ESS LATA: Detroit MI (340) Tandem: DTRTMIVW20T 🔧 Explore Switch(CLLI: DTRTMINIDS0))
313-891	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	DETROITZN3	DTRTMITWDS0	00/00/0000	Prefix Type: RBOC Switch Name: DRTR TWINBROOK DS0 Switch Type: DMS100 LATA: Detroit MI (340) Tandem: DTRTMIBH20T 🔧 Explore Switch(CLLI: DTRTMITWDS0))
313-892	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	DETROITZN3	DTRTMITWDS0	00/00/0000	Prefix Type: RBOC Switch Name: DRTR TWINBROOK DS0 Switch Type: DMS100 LATA: Detroit MI (340) Tandem: DTRTMIBH20T 🔧 Explore Switch(CLLI: DTRTMITWDS0))
313-893	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	DETROITZN3	DTRTMITWDS0	00/00/0000	Prefix Type: RBOC Switch Name: DRTR TWINBROOK DS0 Switch Type: DMS100 LATA: Detroit MI (340) Tandem: DTRTMIBH20T 🔧 Explore Switch(CLLI: DTRTMITWDS0))
313-894	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	DETROITZN1	DTRTMITEDS0	00/00/0000	Prefix Type: RBOC Switch Name: DTRT TYLER DS0 Switch Type: DMS100 LATA: Detroit MI (340) Tandem: DTRTMIBH20T 🔧 Explore Switch(CLLI: DTRTMITEDS0))
313-895	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	DETROITZN1	DTRTMITEDS0	00/00/0000	Prefix Type: RBOC Switch Name: DTRT TYLER DS0 Switch Type: DMS100 LATA: Detroit MI (340) Tandem: DTRTMIBH20T 🔧 Explore Switch(CLLI: DTRTMITEDS0))
313-895 is split into 1,000-number blocks - detail below
313-895-0XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	DETROITZN1	DTRTMITEDS0	N/A	Prefix Type: RBOC Switch Name: DTRT TYLER DS0 Switch Type: DMS100 LATA: Detroit MI (340) Tandem: DTRTMIBH20T 🔧 Explore Switch(CLLI: DTRTMITEDS0))
313-895-1XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	DETROITZN1	DTRTMITEDS0	N/A	Prefix Type: RBOC Switch Name: DTRT TYLER DS0 Switch Type: DMS100 LATA: Detroit MI (340) Tandem: DTRTMIBH20T 🔧 Explore Switch(CLLI: DTRTMITEDS0))
313-895-2XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	DETROITZN1	DTRTMITEDS0	N/A	Prefix Type: RBOC Switch Name: DTRT TYLER DS0 Switch Type: DMS100 LATA: Detroit MI (340) Tandem: DTRTMIBH20T 🔧 Explore Switch(CLLI: DTRTMITEDS0))
313-895-3XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	DETROITZN1	DTRTMITEDS0	N/A	Prefix Type: RBOC Switch Name: DTRT TYLER DS0 Switch Type: DMS100 LATA: Detroit MI (340) Tandem: DTRTMIBH20T 🔧 Explore Switch(CLLI: DTRTMITEDS0))
313-895-4XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	DETROITZN1	DTRTMITEDS0	N/A	Prefix Type: RBOC Switch Name: DTRT TYLER DS0 Switch Type: DMS100 LATA: Detroit MI (340) Tandem: DTRTMIBH20T 🔧 Explore Switch(CLLI: DTRTMITEDS0))
313-895-5XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	DETROITZN1	DTRTMITEDS0	N/A	Prefix Type: RBOC Switch Name: DTRT TYLER DS0 Switch Type: DMS100 LATA: Detroit MI (340) Tandem: DTRTMIBH20T 🔧 Explore Switch(CLLI: DTRTMITEDS0))
313-895-8XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	DETROITZN1	DTRTMITEDS0	N/A	Prefix Type: RBOC Switch Name: DTRT TYLER DS0 Switch Type: DMS100 LATA: Detroit MI (340) Tandem: DTRTMIBH20T 🔧 Explore Switch(CLLI: DTRTMITEDS0))
313-895-9XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	DETROITZN1	DTRTMITEDS0	N/A	Prefix Type: RBOC Switch Name: DTRT TYLER DS0 Switch Type: DMS100 LATA: Detroit MI (340) Tandem: DTRTMIBH20T 🔧 Explore Switch(CLLI: DTRTMITEDS0))
313-896	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	DETROITZN1	DTRTMITEDS0	00/00/0000	Prefix Type: RBOC Switch Name: DTRT TYLER DS0 Switch Type: DMS100 LATA: Detroit MI (340) Tandem: DTRTMIBH20T 🔧 Explore Switch(CLLI: DTRTMITEDS0))
313-896 is split into 1,000-number blocks - detail below
313-896-0XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	DETROITZN1	DTRTMITEDS0	N/A	Prefix Type: RBOC Switch Name: DTRT TYLER DS0 Switch Type: DMS100 LATA: Detroit MI (340) Tandem: DTRTMIBH20T 🔧 Explore Switch(CLLI: DTRTMITEDS0))
313-896-1XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	DETROITZN1	DTRTMITEDS0	N/A	Prefix Type: RBOC Switch Name: DTRT TYLER DS0 Switch Type: DMS100 LATA: Detroit MI (340) Tandem: DTRTMIBH20T 🔧 Explore Switch(CLLI: DTRTMITEDS0))
313-896-2XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	DETROITZN1	DTRTMITEDS0	N/A	Prefix Type: RBOC Switch Name: DTRT TYLER DS0 Switch Type: DMS100 LATA: Detroit MI (340) Tandem: DTRTMIBH20T 🔧 Explore Switch(CLLI: DTRTMITEDS0))
313-896-3XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	DETROITZN1	DTRTMITEDS0	N/A	Prefix Type: RBOC Switch Name: DTRT TYLER DS0 Switch Type: DMS100 LATA: Detroit MI (340) Tandem: DTRTMIBH20T 🔧 Explore Switch(CLLI: DTRTMITEDS0))
313-896-4XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	DETROITZN1	DTRTMITEDS0	N/A	Prefix Type: RBOC Switch Name: DTRT TYLER DS0 Switch Type: DMS100 LATA: Detroit MI (340) Tandem: DTRTMIBH20T 🔧 Explore Switch(CLLI: DTRTMITEDS0))
313-896-5XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	DETROITZN1	DTRTMITEDS0	N/A	Prefix Type: RBOC Switch Name: DTRT TYLER DS0 Switch Type: DMS100 LATA: Detroit MI (340) Tandem: DTRTMIBH20T 🔧 Explore Switch(CLLI: DTRTMITEDS0))
313-896-9XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	DETROITZN1	DTRTMITEDS0	N/A	Prefix Type: RBOC Switch Name: DTRT TYLER DS0 Switch Type: DMS100 LATA: Detroit MI (340) Tandem: DTRTMIBH20T 🔧 Explore Switch(CLLI: DTRTMITEDS0))
313-897	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	DETROITZN1	DTRTMITEDS0	00/00/0000	Prefix Type: RBOC Switch Name: DTRT TYLER DS0 Switch Type: DMS100 LATA: Detroit MI (340) Tandem: DTRTMIBH20T 🔧 Explore Switch(CLLI: DTRTMITEDS0))
313-898	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	DETROITZN1	DTRTMITEDS0	00/00/0000	Prefix Type: RBOC Switch Name: DTRT TYLER DS0 Switch Type: DMS100 LATA: Detroit MI (340) Tandem: DTRTMIBH20T 🔧 Explore Switch(CLLI: DTRTMITEDS0))
313-898 is split into 1,000-number blocks - detail below
313-898-0XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	DETROITZN1	DTRTMITEDS0	N/A	Prefix Type: RBOC Switch Name: DTRT TYLER DS0 Switch Type: DMS100 LATA: Detroit MI (340) Tandem: DTRTMIBH20T 🔧 Explore Switch(CLLI: DTRTMITEDS0))
313-898-2XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	DETROITZN1	DTRTMITEDS0	N/A	Prefix Type: RBOC Switch Name: DTRT TYLER DS0 Switch Type: DMS100 LATA: Detroit MI (340) Tandem: DTRTMIBH20T 🔧 Explore Switch(CLLI: DTRTMITEDS0))
313-898-3XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	DETROITZN1	DTRTMITEDS0	N/A	Prefix Type: RBOC Switch Name: DTRT TYLER DS0 Switch Type: DMS100 LATA: Detroit MI (340) Tandem: DTRTMIBH20T 🔧 Explore Switch(CLLI: DTRTMITEDS0))
313-898-6XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	DETROITZN1	DTRTMITEDS0	N/A	Prefix Type: RBOC Switch Name: DTRT TYLER DS0 Switch Type: DMS100 LATA: Detroit MI (340) Tandem: DTRTMIBH20T 🔧 Explore Switch(CLLI: DTRTMITEDS0))
313-898-7XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	DETROITZN1	DTRTMITEDS0	N/A	Prefix Type: RBOC Switch Name: DTRT TYLER DS0 Switch Type: DMS100 LATA: Detroit MI (340) Tandem: DTRTMIBH20T 🔧 Explore Switch(CLLI: DTRTMITEDS0))
313-898-8XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	DETROITZN1	DTRTMITEDS0	N/A	Prefix Type: RBOC Switch Name: DTRT TYLER DS0 Switch Type: DMS100 LATA: Detroit MI (340) Tandem: DTRTMIBH20T 🔧 Explore Switch(CLLI: DTRTMITEDS0))
313-898-9XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	DETROITZN1	DTRTMITEDS0	N/A	Prefix Type: RBOC Switch Name: DTRT TYLER DS0 Switch Type: DMS100 LATA: Detroit MI (340) Tandem: DTRTMIBH20T 🔧 Explore Switch(CLLI: DTRTMITEDS0))
313-899	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	DETROITZN1	DTRTMITEDS0	00/00/0000	Prefix Type: RBOC Switch Name: DTRT TYLER DS0 Switch Type: DMS100 LATA: Detroit MI (340) Tandem: DTRTMIBH20T 🔧 Explore Switch(CLLI: DTRTMITEDS0))
313-899 is split into 1,000-number blocks - detail below
313-899-1XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	DETROITZN1	DTRTMITEDS0	N/A	Prefix Type: RBOC Switch Name: DTRT TYLER DS0 Switch Type: DMS100 LATA: Detroit MI (340) Tandem: DTRTMIBH20T 🔧 Explore Switch(CLLI: DTRTMITEDS0))
313-899-3XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	DETROITZN1	DTRTMITEDS0	N/A	Prefix Type: RBOC Switch Name: DTRT TYLER DS0 Switch Type: DMS100 LATA: Detroit MI (340) Tandem: DTRTMIBH20T 🔧 Explore Switch(CLLI: DTRTMITEDS0))
313-899-4XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	DETROITZN1	DTRTMITEDS0	N/A	Prefix Type: RBOC Switch Name: DTRT TYLER DS0 Switch Type: DMS100 LATA: Detroit MI (340) Tandem: DTRTMIBH20T 🔧 Explore Switch(CLLI: DTRTMITEDS0))
313-899-6XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	DETROITZN1	DTRTMITEDS0	N/A	Prefix Type: RBOC Switch Name: DTRT TYLER DS0 Switch Type: DMS100 LATA: Detroit MI (340) Tandem: DTRTMIBH20T 🔧 Explore Switch(CLLI: DTRTMITEDS0))
313-916	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	DETROITZN1	DTRTMIMDRPA	00/00/0000	Prefix Type: RBOC Switch Name: DETROIT Switch Type: N/A LATA: Detroit MI (340) Tandem: N/A 🔧 Explore Switch(CLLI: DTRTMIMDRPA))
313-921	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	DETROITZN2	DTRTMIPEDS0	00/00/0000	Prefix Type: RBOC Switch Name: DTRT PLAZA DS0 Switch Type: DMS100 LATA: Detroit MI (340) Tandem: DTRTMIBH20T 🔧 Explore Switch(CLLI: DTRTMIPEDS0))
313-921 is split into 1,000-number blocks - detail below
313-921-0XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	DETROITZN2	DTRTMIPEDS0	N/A	Prefix Type: RBOC Switch Name: DTRT PLAZA DS0 Switch Type: DMS100 LATA: Detroit MI (340) Tandem: DTRTMIBH20T 🔧 Explore Switch(CLLI: DTRTMIPEDS0))
313-921-1XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	DETROITZN2	DTRTMIPEDS0	N/A	Prefix Type: RBOC Switch Name: DTRT PLAZA DS0 Switch Type: DMS100 LATA: Detroit MI (340) Tandem: DTRTMIBH20T 🔧 Explore Switch(CLLI: DTRTMIPEDS0))
313-921-2XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	DETROITZN2	DTRTMIPEDS0	N/A	Prefix Type: RBOC Switch Name: DTRT PLAZA DS0 Switch Type: DMS100 LATA: Detroit MI (340) Tandem: DTRTMIBH20T 🔧 Explore Switch(CLLI: DTRTMIPEDS0))
313-921-3XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	DETROITZN2	DTRTMIPEDS0	N/A	Prefix Type: RBOC Switch Name: DTRT PLAZA DS0 Switch Type: DMS100 LATA: Detroit MI (340) Tandem: DTRTMIBH20T 🔧 Explore Switch(CLLI: DTRTMIPEDS0))
313-921-4XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	DETROITZN2	DTRTMIPEDS0	N/A	Prefix Type: RBOC Switch Name: DTRT PLAZA DS0 Switch Type: DMS100 LATA: Detroit MI (340) Tandem: DTRTMIBH20T 🔧 Explore Switch(CLLI: DTRTMIPEDS0))
313-921-7XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	DETROITZN2	DTRTMIPEDS0	N/A	Prefix Type: RBOC Switch Name: DTRT PLAZA DS0 Switch Type: DMS100 LATA: Detroit MI (340) Tandem: DTRTMIBH20T 🔧 Explore Switch(CLLI: DTRTMIPEDS0))
313-921-8XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	DETROITZN2	DTRTMIPEDS0	N/A	Prefix Type: RBOC Switch Name: DTRT PLAZA DS0 Switch Type: DMS100 LATA: Detroit MI (340) Tandem: DTRTMIBH20T 🔧 Explore Switch(CLLI: DTRTMIPEDS0))
313-921-9XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	DETROITZN2	DTRTMIPEDS0	N/A	Prefix Type: RBOC Switch Name: DTRT PLAZA DS0 Switch Type: DMS100 LATA: Detroit MI (340) Tandem: DTRTMIBH20T 🔧 Explore Switch(CLLI: DTRTMIPEDS0))
313-922	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	DETROITZN2	DTRTMIPEDS0	00/00/0000	Prefix Type: RBOC Switch Name: DTRT PLAZA DS0 Switch Type: DMS100 LATA: Detroit MI (340) Tandem: DTRTMIBH20T 🔧 Explore Switch(CLLI: DTRTMIPEDS0))
313-922 is split into 1,000-number blocks - detail below
313-922-0XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	DETROITZN2	DTRTMIPEDS0	N/A	Prefix Type: RBOC Switch Name: DTRT PLAZA DS0 Switch Type: DMS100 LATA: Detroit MI (340) Tandem: DTRTMIBH20T 🔧 Explore Switch(CLLI: DTRTMIPEDS0))
313-922-1XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	DETROITZN2	DTRTMIPEDS0	N/A	Prefix Type: RBOC Switch Name: DTRT PLAZA DS0 Switch Type: DMS100 LATA: Detroit MI (340) Tandem: DTRTMIBH20T 🔧 Explore Switch(CLLI: DTRTMIPEDS0))
313-922-3XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	DETROITZN2	DTRTMIPEDS0	N/A	Prefix Type: RBOC Switch Name: DTRT PLAZA DS0 Switch Type: DMS100 LATA: Detroit MI (340) Tandem: DTRTMIBH20T 🔧 Explore Switch(CLLI: DTRTMIPEDS0))
313-922-6XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	DETROITZN2	DTRTMIPEDS0	N/A	Prefix Type: RBOC Switch Name: DTRT PLAZA DS0 Switch Type: DMS100 LATA: Detroit MI (340) Tandem: DTRTMIBH20T 🔧 Explore Switch(CLLI: DTRTMIPEDS0))
313-922-8XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	DETROITZN2	DTRTMIPEDS0	N/A	Prefix Type: RBOC Switch Name: DTRT PLAZA DS0 Switch Type: DMS100 LATA: Detroit MI (340) Tandem: DTRTMIBH20T 🔧 Explore Switch(CLLI: DTRTMIPEDS0))
313-922-9XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	DETROITZN2	DTRTMIPEDS0	N/A	Prefix Type: RBOC Switch Name: DTRT PLAZA DS0 Switch Type: DMS100 LATA: Detroit MI (340) Tandem: DTRTMIBH20T 🔧 Explore Switch(CLLI: DTRTMIPEDS0))
313-923	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	DETROITZN2	DTRTMIPEDS0	00/00/0000	Prefix Type: RBOC Switch Name: DTRT PLAZA DS0 Switch Type: DMS100 LATA: Detroit MI (340) Tandem: DTRTMIBH20T 🔧 Explore Switch(CLLI: DTRTMIPEDS0))
313-923 is split into 1,000-number blocks - detail below
313-923-0XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	DETROITZN2	DTRTMIPEDS0	N/A	Prefix Type: RBOC Switch Name: DTRT PLAZA DS0 Switch Type: DMS100 LATA: Detroit MI (340) Tandem: DTRTMIBH20T 🔧 Explore Switch(CLLI: DTRTMIPEDS0))
313-923-1XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	DETROITZN2	DTRTMIPEDS0	N/A	Prefix Type: RBOC Switch Name: DTRT PLAZA DS0 Switch Type: DMS100 LATA: Detroit MI (340) Tandem: DTRTMIBH20T 🔧 Explore Switch(CLLI: DTRTMIPEDS0))
313-923-8XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	DETROITZN2	DTRTMIPEDS0	N/A	Prefix Type: RBOC Switch Name: DTRT PLAZA DS0 Switch Type: DMS100 LATA: Detroit MI (340) Tandem: DTRTMIBH20T 🔧 Explore Switch(CLLI: DTRTMIPEDS0))
313-923-9XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	DETROITZN2	DTRTMIPEDS0	N/A	Prefix Type: RBOC Switch Name: DTRT PLAZA DS0 Switch Type: DMS100 LATA: Detroit MI (340) Tandem: DTRTMIBH20T 🔧 Explore Switch(CLLI: DTRTMIPEDS0))
313-924	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	DETROITZN2	DTRTMIPEDS0	00/00/0000	Prefix Type: RBOC Switch Name: DTRT PLAZA DS0 Switch Type: DMS100 LATA: Detroit MI (340) Tandem: DTRTMIBH20T 🔧 Explore Switch(CLLI: DTRTMIPEDS0))
313-924 is split into 1,000-number blocks - detail below
313-924-0XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	DETROITZN2	DTRTMIPEDS0	N/A	Prefix Type: RBOC Switch Name: DTRT PLAZA DS0 Switch Type: DMS100 LATA: Detroit MI (340) Tandem: DTRTMIBH20T 🔧 Explore Switch(CLLI: DTRTMIPEDS0))
313-924-6XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	DETROITZN2	DTRTMIPEDS0	N/A	Prefix Type: RBOC Switch Name: DTRT PLAZA DS0 Switch Type: DMS100 LATA: Detroit MI (340) Tandem: DTRTMIBH20T 🔧 Explore Switch(CLLI: DTRTMIPEDS0))
313-924-9XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	DETROITZN2	DTRTMIPEDS0	N/A	Prefix Type: RBOC Switch Name: DTRT PLAZA DS0 Switch Type: DMS100 LATA: Detroit MI (340) Tandem: DTRTMIBH20T 🔧 Explore Switch(CLLI: DTRTMIPEDS0))
313-925	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	DETROITZN2	DTRTMIPEDS0	00/00/0000	Prefix Type: RBOC Switch Name: DTRT PLAZA DS0 Switch Type: DMS100 LATA: Detroit MI (340) Tandem: DTRTMIBH20T 🔧 Explore Switch(CLLI: DTRTMIPEDS0))
313-925 is split into 1,000-number blocks - detail below
313-925-0XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	DETROITZN2	DTRTMIPEDS0	N/A	Prefix Type: RBOC Switch Name: DTRT PLAZA DS0 Switch Type: DMS100 LATA: Detroit MI (340) Tandem: DTRTMIBH20T 🔧 Explore Switch(CLLI: DTRTMIPEDS0))
313-925-1XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	DETROITZN2	DTRTMIPEDS0	N/A	Prefix Type: RBOC Switch Name: DTRT PLAZA DS0 Switch Type: DMS100 LATA: Detroit MI (340) Tandem: DTRTMIBH20T 🔧 Explore Switch(CLLI: DTRTMIPEDS0))
313-925-8XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	DETROITZN2	DTRTMIPEDS0	N/A	Prefix Type: RBOC Switch Name: DTRT PLAZA DS0 Switch Type: DMS100 LATA: Detroit MI (340) Tandem: DTRTMIBH20T 🔧 Explore Switch(CLLI: DTRTMIPEDS0))
313-925-9XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	DETROITZN2	DTRTMIPEDS0	N/A	Prefix Type: RBOC Switch Name: DTRT PLAZA DS0 Switch Type: DMS100 LATA: Detroit MI (340) Tandem: DTRTMIBH20T 🔧 Explore Switch(CLLI: DTRTMIPEDS0))
313-926	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	DETROITZN2	DTRTMILXDS0	00/00/0000	Prefix Type: RBOC Switch Name: DTRT LENOX DS0 Switch Type: DMS100 LATA: Detroit MI (340) Tandem: DTRTMIBH20T 🔧 Explore Switch(CLLI: DTRTMILXDS0))
313-926 is split into 1,000-number blocks - detail below
313-926-4XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	DETROITZN2	DTRTMILXDS0	N/A	Prefix Type: RBOC Switch Name: DTRT LENOX DS0 Switch Type: DMS100 LATA: Detroit MI (340) Tandem: DTRTMIBH20T 🔧 Explore Switch(CLLI: DTRTMILXDS0))
313-926-5XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	DETROITZN2	DTRTMILXDS0	N/A	Prefix Type: RBOC Switch Name: DTRT LENOX DS0 Switch Type: DMS100 LATA: Detroit MI (340) Tandem: DTRTMIBH20T 🔧 Explore Switch(CLLI: DTRTMILXDS0))
313-926-8XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	DETROITZN2	DTRTMILXDS0	N/A	Prefix Type: RBOC Switch Name: DTRT LENOX DS0 Switch Type: DMS100 LATA: Detroit MI (340) Tandem: DTRTMIBH20T 🔧 Explore Switch(CLLI: DTRTMILXDS0))
313-927	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	DETROITZN4	DTRTMIUVDS0	00/00/0000	Prefix Type: RBOC Switch Name: DTRT UNIVERSITY DS0 Switch Type: DMS100 LATA: Detroit MI (340) Tandem: DTRTMIVW20T 🔧 Explore Switch(CLLI: DTRTMIUVDS0))
313-927 is split into 1,000-number blocks - detail below
313-927-0XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	DETROITZN4	DTRTMIUVDS0	N/A	Prefix Type: RBOC Switch Name: DTRT UNIVERSITY DS0 Switch Type: DMS100 LATA: Detroit MI (340) Tandem: DTRTMIVW20T 🔧 Explore Switch(CLLI: DTRTMIUVDS0))
313-927-1XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	DETROITZN4	DTRTMIUVDS0	N/A	Prefix Type: RBOC Switch Name: DTRT UNIVERSITY DS0 Switch Type: DMS100 LATA: Detroit MI (340) Tandem: DTRTMIVW20T 🔧 Explore Switch(CLLI: DTRTMIUVDS0))
313-927-2XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	DETROITZN4	DTRTMIUVDS0	N/A	Prefix Type: RBOC Switch Name: DTRT UNIVERSITY DS0 Switch Type: DMS100 LATA: Detroit MI (340) Tandem: DTRTMIVW20T 🔧 Explore Switch(CLLI: DTRTMIUVDS0))
313-927-3XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	DETROITZN4	DTRTMIUVDS0	N/A	Prefix Type: RBOC Switch Name: DTRT UNIVERSITY DS0 Switch Type: DMS100 LATA: Detroit MI (340) Tandem: DTRTMIVW20T 🔧 Explore Switch(CLLI: DTRTMIUVDS0))
313-927-4XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	DETROITZN4	DTRTMIUVDS0	N/A	Prefix Type: RBOC Switch Name: DTRT UNIVERSITY DS0 Switch Type: DMS100 LATA: Detroit MI (340) Tandem: DTRTMIVW20T 🔧 Explore Switch(CLLI: DTRTMIUVDS0))
313-927-5XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	DETROITZN4	DTRTMIUVDS0	N/A	Prefix Type: RBOC Switch Name: DTRT UNIVERSITY DS0 Switch Type: DMS100 LATA: Detroit MI (340) Tandem: DTRTMIVW20T 🔧 Explore Switch(CLLI: DTRTMIUVDS0))
313-927-6XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	DETROITZN4	DTRTMIUVDS0	N/A	Prefix Type: RBOC Switch Name: DTRT UNIVERSITY DS0 Switch Type: DMS100 LATA: Detroit MI (340) Tandem: DTRTMIVW20T 🔧 Explore Switch(CLLI: DTRTMIUVDS0))
313-927-8XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	DETROITZN4	DTRTMIUVDS0	N/A	Prefix Type: RBOC Switch Name: DTRT UNIVERSITY DS0 Switch Type: DMS100 LATA: Detroit MI (340) Tandem: DTRTMIVW20T 🔧 Explore Switch(CLLI: DTRTMIUVDS0))
313-927-9XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	DETROITZN4	DTRTMIUVDS0	N/A	Prefix Type: RBOC Switch Name: DTRT UNIVERSITY DS0 Switch Type: DMS100 LATA: Detroit MI (340) Tandem: DTRTMIVW20T 🔧 Explore Switch(CLLI: DTRTMIUVDS0))
313-928	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	DETROITZN6	LNPKMIATDS0	00/00/0000	Prefix Type: RBOC Switch Name: LINCOLN PARK DS0 Switch Type: 5ESS LATA: Detroit MI (340) Tandem: DTRTMIVW20T 🔧 Explore Switch(CLLI: LNPKMIATDS0))
313-931	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	DETROITZN4	DTRTMIHGDS0	00/00/0000	Prefix Type: RBOC Switch Name: DTRT HOGARTH DS0 Switch Type: DMS100 LATA: Detroit MI (340) Tandem: DTRTMIBH20T 🔧 Explore Switch(CLLI: DTRTMIHGDS0))
313-933	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	DETROITZN4	DTRTMIHGDS0	00/00/0000	Prefix Type: RBOC Switch Name: DTRT HOGARTH DS0 Switch Type: DMS100 LATA: Detroit MI (340) Tandem: DTRTMIBH20T 🔧 Explore Switch(CLLI: DTRTMIHGDS0))
313-934	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	DETROITZN4	DTRTMIHGDS0	00/00/0000	Prefix Type: RBOC Switch Name: DTRT HOGARTH DS0 Switch Type: DMS100 LATA: Detroit MI (340) Tandem: DTRTMIBH20T 🔧 Explore Switch(CLLI: DTRTMIHGDS0))
313-934 is split into 1,000-number blocks - detail below
313-934-0XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	DETROITZN4	DTRTMIHGDS0	N/A	Prefix Type: RBOC Switch Name: DTRT HOGARTH DS0 Switch Type: DMS100 LATA: Detroit MI (340) Tandem: DTRTMIBH20T 🔧 Explore Switch(CLLI: DTRTMIHGDS0))
313-934-1XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	DETROITZN4	DTRTMIHGDS0	N/A	Prefix Type: RBOC Switch Name: DTRT HOGARTH DS0 Switch Type: DMS100 LATA: Detroit MI (340) Tandem: DTRTMIBH20T 🔧 Explore Switch(CLLI: DTRTMIHGDS0))
313-934-2XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	DETROITZN4	DTRTMIHGDS0	N/A	Prefix Type: RBOC Switch Name: DTRT HOGARTH DS0 Switch Type: DMS100 LATA: Detroit MI (340) Tandem: DTRTMIBH20T 🔧 Explore Switch(CLLI: DTRTMIHGDS0))
313-934-3XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	DETROITZN4	DTRTMIHGDS0	N/A	Prefix Type: RBOC Switch Name: DTRT HOGARTH DS0 Switch Type: DMS100 LATA: Detroit MI (340) Tandem: DTRTMIBH20T 🔧 Explore Switch(CLLI: DTRTMIHGDS0))
313-934-4XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	DETROITZN4	DTRTMIHGDS0	N/A	Prefix Type: RBOC Switch Name: DTRT HOGARTH DS0 Switch Type: DMS100 LATA: Detroit MI (340) Tandem: DTRTMIBH20T 🔧 Explore Switch(CLLI: DTRTMIHGDS0))
313-934-5XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	DETROITZN4	DTRTMIHGDS0	N/A	Prefix Type: RBOC Switch Name: DTRT HOGARTH DS0 Switch Type: DMS100 LATA: Detroit MI (340) Tandem: DTRTMIBH20T 🔧 Explore Switch(CLLI: DTRTMIHGDS0))
313-934-7XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	DETROITZN4	DTRTMIHGDS0	N/A	Prefix Type: RBOC Switch Name: DTRT HOGARTH DS0 Switch Type: DMS100 LATA: Detroit MI (340) Tandem: DTRTMIBH20T 🔧 Explore Switch(CLLI: DTRTMIHGDS0))
313-934-8XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	DETROITZN4	DTRTMIHGDS0	N/A	Prefix Type: RBOC Switch Name: DTRT HOGARTH DS0 Switch Type: DMS100 LATA: Detroit MI (340) Tandem: DTRTMIBH20T 🔧 Explore Switch(CLLI: DTRTMIHGDS0))
313-934-9XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	DETROITZN4	DTRTMIHGDS0	N/A	Prefix Type: RBOC Switch Name: DTRT HOGARTH DS0 Switch Type: DMS100 LATA: Detroit MI (340) Tandem: DTRTMIBH20T 🔧 Explore Switch(CLLI: DTRTMIHGDS0))
313-935	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	DETROITZN4	DTRTMIHGDS0	00/00/0000	Prefix Type: RBOC Switch Name: DTRT HOGARTH DS0 Switch Type: DMS100 LATA: Detroit MI (340) Tandem: DTRTMIBH20T 🔧 Explore Switch(CLLI: DTRTMIHGDS0))
313-935 is split into 1,000-number blocks - detail below
313-935-0XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	DETROITZN4	DTRTMIHGDS0	N/A	Prefix Type: RBOC Switch Name: DTRT HOGARTH DS0 Switch Type: DMS100 LATA: Detroit MI (340) Tandem: DTRTMIBH20T 🔧 Explore Switch(CLLI: DTRTMIHGDS0))
313-935-1XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	DETROITZN4	DTRTMIHGDS0	N/A	Prefix Type: RBOC Switch Name: DTRT HOGARTH DS0 Switch Type: DMS100 LATA: Detroit MI (340) Tandem: DTRTMIBH20T 🔧 Explore Switch(CLLI: DTRTMIHGDS0))
313-935-2XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	DETROITZN4	DTRTMIHGDS0	N/A	Prefix Type: RBOC Switch Name: DTRT HOGARTH DS0 Switch Type: DMS100 LATA: Detroit MI (340) Tandem: DTRTMIBH20T 🔧 Explore Switch(CLLI: DTRTMIHGDS0))
313-935-3XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	DETROITZN4	DTRTMIHGDS0	N/A	Prefix Type: RBOC Switch Name: DTRT HOGARTH DS0 Switch Type: DMS100 LATA: Detroit MI (340) Tandem: DTRTMIBH20T 🔧 Explore Switch(CLLI: DTRTMIHGDS0))
313-935-4XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	DETROITZN4	DTRTMIHGDS0	N/A	Prefix Type: RBOC Switch Name: DTRT HOGARTH DS0 Switch Type: DMS100 LATA: Detroit MI (340) Tandem: DTRTMIBH20T 🔧 Explore Switch(CLLI: DTRTMIHGDS0))
313-935-5XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	DETROITZN4	DTRTMIHGDS0	N/A	Prefix Type: RBOC Switch Name: DTRT HOGARTH DS0 Switch Type: DMS100 LATA: Detroit MI (340) Tandem: DTRTMIBH20T 🔧 Explore Switch(CLLI: DTRTMIHGDS0))
313-935-7XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	DETROITZN4	DTRTMIHGDS0	N/A	Prefix Type: RBOC Switch Name: DTRT HOGARTH DS0 Switch Type: DMS100 LATA: Detroit MI (340) Tandem: DTRTMIBH20T 🔧 Explore Switch(CLLI: DTRTMIHGDS0))
313-935-8XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	DETROITZN4	DTRTMIHGDS0	N/A	Prefix Type: RBOC Switch Name: DTRT HOGARTH DS0 Switch Type: DMS100 LATA: Detroit MI (340) Tandem: DTRTMIBH20T 🔧 Explore Switch(CLLI: DTRTMIHGDS0))
313-935-9XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	DETROITZN4	DTRTMIHGDS0	N/A	Prefix Type: RBOC Switch Name: DTRT HOGARTH DS0 Switch Type: DMS100 LATA: Detroit MI (340) Tandem: DTRTMIBH20T 🔧 Explore Switch(CLLI: DTRTMIHGDS0))
313-937	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	DETROITZN5	LIVNMIMNRP0	00/00/0000	Prefix Type: RBOC Switch Name: LIVONIA Switch Type: N/A LATA: Detroit MI (340) Tandem: N/A 🔧 Explore Switch(CLLI: LIVNMIMNRP0))
313-937 is split into 1,000-number blocks - detail below
313-937-0XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	DETROITZN5	LIVNMIMNRP0	N/A	Prefix Type: RBOC Switch Name: LIVONIA Switch Type: N/A LATA: Detroit MI (340) Tandem: N/A 🔧 Explore Switch(CLLI: LIVNMIMNRP0))
313-937-1XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	DETROITZN5	LIVNMIMNRP0	N/A	Prefix Type: RBOC Switch Name: LIVONIA Switch Type: N/A LATA: Detroit MI (340) Tandem: N/A 🔧 Explore Switch(CLLI: LIVNMIMNRP0))
313-937-2XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	DETROITZN5	LIVNMIMNRP0	N/A	Prefix Type: RBOC Switch Name: LIVONIA Switch Type: N/A LATA: Detroit MI (340) Tandem: N/A 🔧 Explore Switch(CLLI: LIVNMIMNRP0))
313-937-3XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	DETROITZN5	LIVNMIMNRP0	N/A	Prefix Type: RBOC Switch Name: LIVONIA Switch Type: N/A LATA: Detroit MI (340) Tandem: N/A 🔧 Explore Switch(CLLI: LIVNMIMNRP0))
313-937-4XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	DETROITZN5	LIVNMIMNRP0	N/A	Prefix Type: RBOC Switch Name: LIVONIA Switch Type: N/A LATA: Detroit MI (340) Tandem: N/A 🔧 Explore Switch(CLLI: LIVNMIMNRP0))
313-937-5XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	DETROITZN5	LIVNMIMNRP0	N/A	Prefix Type: RBOC Switch Name: LIVONIA Switch Type: N/A LATA: Detroit MI (340) Tandem: N/A 🔧 Explore Switch(CLLI: LIVNMIMNRP0))
313-937-7XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	DETROITZN5	LIVNMIMNRP0	N/A	Prefix Type: RBOC Switch Name: LIVONIA Switch Type: N/A LATA: Detroit MI (340) Tandem: N/A 🔧 Explore Switch(CLLI: LIVNMIMNRP0))
313-937-8XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	DETROITZN5	LIVNMIMNRP0	N/A	Prefix Type: RBOC Switch Name: LIVONIA Switch Type: N/A LATA: Detroit MI (340) Tandem: N/A 🔧 Explore Switch(CLLI: LIVNMIMNRP0))
313-937-9XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	DETROITZN5	LIVNMIMNRP0	N/A	Prefix Type: RBOC Switch Name: LIVONIA Switch Type: N/A LATA: Detroit MI (340) Tandem: N/A 🔧 Explore Switch(CLLI: LIVNMIMNRP0))
313-943	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	DETROITZN6	DRBRMIORDS0	00/00/0000	Prefix Type: RBOC Switch Name: DRBR OREGON DS0 Switch Type: DMS100 LATA: Detroit MI (340) Tandem: DTRTMIVW20T 🔧 Explore Switch(CLLI: DRBRMIORDS0))
313-945	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	DETROITZN6	DRBRMIORDS0	00/00/0000	Prefix Type: RBOC Switch Name: DRBR OREGON DS0 Switch Type: DMS100 LATA: Detroit MI (340) Tandem: DTRTMIVW20T 🔧 Explore Switch(CLLI: DRBRMIORDS0))
313-956	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	DETROITZN3	HGPKMITSDS0	00/00/0000	Prefix Type: RBOC Switch Name: HIGHLAND PARK Switch Type: DMS100 LATA: Detroit MI (340) Tandem: DTRTMIVW20T 🔧 Explore Switch(CLLI: HGPKMITSDS0))
313-957	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	DETROITZN3	HGPKMITSDS0	00/00/0000	Prefix Type: RBOC Switch Name: HIGHLAND PARK Switch Type: DMS100 LATA: Detroit MI (340) Tandem: DTRTMIVW20T 🔧 Explore Switch(CLLI: HGPKMITSDS0))
313-957 is split into 1,000-number blocks - detail below
313-957-0XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	DETROITZN3	HGPKMITSDS0	N/A	Prefix Type: RBOC Switch Name: HIGHLAND PARK Switch Type: DMS100 LATA: Detroit MI (340) Tandem: DTRTMIVW20T 🔧 Explore Switch(CLLI: HGPKMITSDS0))
313-957-2XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	DETROITZN3	HGPKMITSDS0	N/A	Prefix Type: RBOC Switch Name: HIGHLAND PARK Switch Type: DMS100 LATA: Detroit MI (340) Tandem: DTRTMIVW20T 🔧 Explore Switch(CLLI: HGPKMITSDS0))
313-957-3XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	DETROITZN3	HGPKMITSDS0	N/A	Prefix Type: RBOC Switch Name: HIGHLAND PARK Switch Type: DMS100 LATA: Detroit MI (340) Tandem: DTRTMIVW20T 🔧 Explore Switch(CLLI: HGPKMITSDS0))
313-957-4XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	DETROITZN3	HGPKMITSDS0	N/A	Prefix Type: RBOC Switch Name: HIGHLAND PARK Switch Type: DMS100 LATA: Detroit MI (340) Tandem: DTRTMIVW20T 🔧 Explore Switch(CLLI: HGPKMITSDS0))
313-957-5XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	DETROITZN3	HGPKMITSDS0	N/A	Prefix Type: RBOC Switch Name: HIGHLAND PARK Switch Type: DMS100 LATA: Detroit MI (340) Tandem: DTRTMIVW20T 🔧 Explore Switch(CLLI: HGPKMITSDS0))
313-957-6XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	DETROITZN3	HGPKMITSDS0	N/A	Prefix Type: RBOC Switch Name: HIGHLAND PARK Switch Type: DMS100 LATA: Detroit MI (340) Tandem: DTRTMIVW20T 🔧 Explore Switch(CLLI: HGPKMITSDS0))
313-957-7XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	DETROITZN3	HGPKMITSDS0	N/A	Prefix Type: RBOC Switch Name: HIGHLAND PARK Switch Type: DMS100 LATA: Detroit MI (340) Tandem: DTRTMIVW20T 🔧 Explore Switch(CLLI: HGPKMITSDS0))
313-961	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	DETROITZN1	DTRTMIBHDS1	00/00/0000	Prefix Type: RBOC Switch Name: DTRT HDQTRS DS1 Switch Type: DMS100 LATA: Detroit MI (340) Tandem: DTRTMIVW20T 🔧 Explore Switch(CLLI: DTRTMIBHDS1))
313-962	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	DETROITZN1	DTRTMIBLRPA	00/00/0000	Prefix Type: RBOC Switch Name: DETROIT Switch Type: N/A LATA: Detroit MI (340) Tandem: N/A 🔧 Explore Switch(CLLI: DTRTMIBLRPA))
313-963	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	DETROITZN1	DTRTMIBHDS1	00/00/0000	Prefix Type: RBOC Switch Name: DTRT HDQTRS DS1 Switch Type: DMS100 LATA: Detroit MI (340) Tandem: DTRTMIVW20T 🔧 Explore Switch(CLLI: DTRTMIBHDS1))
313-964	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	DETROITZN1	DTRTMIBHDS1	00/00/0000	Prefix Type: RBOC Switch Name: DTRT HDQTRS DS1 Switch Type: DMS100 LATA: Detroit MI (340) Tandem: DTRTMIVW20T 🔧 Explore Switch(CLLI: DTRTMIBHDS1))
313-965	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	DETROITZN1	DTRTMIBHDS1	00/00/0000	Prefix Type: RBOC Switch Name: DTRT HDQTRS DS1 Switch Type: DMS100 LATA: Detroit MI (340) Tandem: DTRTMIVW20T 🔧 Explore Switch(CLLI: DTRTMIBHDS1))
313-966	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	DETROITZN1	DTRTMICLDS0	00/00/0000	Prefix Type: RBOC Switch Name: DTRT COLUMBIA Switch Type: DMS100 LATA: Detroit MI (340) Tandem: DTRTMIVW20T 🔧 Explore Switch(CLLI: DTRTMICLDS0))
313-967	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	DETROITZN1	DTRTMIBHDS1	00/00/0000	Prefix Type: RBOC Switch Name: DTRT HDQTRS DS1 Switch Type: DMS100 LATA: Detroit MI (340) Tandem: DTRTMIVW20T 🔧 Explore Switch(CLLI: DTRTMIBHDS1))
313-972	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	DETROITZN1	DTRTMIMDRPA	00/00/0000	Prefix Type: RBOC Switch Name: DETROIT Switch Type: N/A LATA: Detroit MI (340) Tandem: N/A 🔧 Explore Switch(CLLI: DTRTMIMDRPA))
313-974	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	DETROITZN1	DTRTMIMDRPA	00/00/0000	Prefix Type: RBOC Switch Name: DETROIT Switch Type: N/A LATA: Detroit MI (340) Tandem: N/A 🔧 Explore Switch(CLLI: DTRTMIMDRPA))
313-974 is split into 1,000-number blocks - detail below
313-974-3XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	DETROITZN1	DTRTMIMDRPA	N/A	Prefix Type: RBOC Switch Name: DETROIT Switch Type: N/A LATA: Detroit MI (340) Tandem: N/A 🔧 Explore Switch(CLLI: DTRTMIMDRPA))
313-982	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	DETROITZN6	DRBRMIFBDS0	00/00/0000	Prefix Type: RBOC Switch Name: DRBR FAIRBORN DS0 Switch Type: DMS100 LATA: Detroit MI (340) Tandem: DTRTMIVW20T 🔧 Explore Switch(CLLI: DRBRMIFBDS0))
313-982 is split into 1,000-number blocks - detail below
313-982-0XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	DETROITZN6	DRBRMIFBDS0	N/A	Prefix Type: RBOC Switch Name: DRBR FAIRBORN DS0 Switch Type: DMS100 LATA: Detroit MI (340) Tandem: DTRTMIVW20T 🔧 Explore Switch(CLLI: DRBRMIFBDS0))
313-982-1XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	DETROITZN6	DRBRMIFBDS0	N/A	Prefix Type: RBOC Switch Name: DRBR FAIRBORN DS0 Switch Type: DMS100 LATA: Detroit MI (340) Tandem: DTRTMIVW20T 🔧 Explore Switch(CLLI: DRBRMIFBDS0))
313-982-3XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	DETROITZN6	DRBRMIFBDS0	N/A	Prefix Type: RBOC Switch Name: DRBR FAIRBORN DS0 Switch Type: DMS100 LATA: Detroit MI (340) Tandem: DTRTMIVW20T 🔧 Explore Switch(CLLI: DRBRMIFBDS0))
313-982-4XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	DETROITZN6	DRBRMIFBDS0	N/A	Prefix Type: RBOC Switch Name: DRBR FAIRBORN DS0 Switch Type: DMS100 LATA: Detroit MI (340) Tandem: DTRTMIVW20T 🔧 Explore Switch(CLLI: DRBRMIFBDS0))
313-982-5XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	DETROITZN6	DRBRMIFBDS0	N/A	Prefix Type: RBOC Switch Name: DRBR FAIRBORN DS0 Switch Type: DMS100 LATA: Detroit MI (340) Tandem: DTRTMIVW20T 🔧 Explore Switch(CLLI: DRBRMIFBDS0))
313-982-6XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	DETROITZN6	DRBRMIFBDS0	N/A	Prefix Type: RBOC Switch Name: DRBR FAIRBORN DS0 Switch Type: DMS100 LATA: Detroit MI (340) Tandem: DTRTMIVW20T 🔧 Explore Switch(CLLI: DRBRMIFBDS0))
313-982-8XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	DETROITZN6	DRBRMIFBDS0	N/A	Prefix Type: RBOC Switch Name: DRBR FAIRBORN DS0 Switch Type: DMS100 LATA: Detroit MI (340) Tandem: DTRTMIVW20T 🔧 Explore Switch(CLLI: DRBRMIFBDS0))
313-982-9XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	DETROITZN6	DRBRMIFBDS0	N/A	Prefix Type: RBOC Switch Name: DRBR FAIRBORN DS0 Switch Type: DMS100 LATA: Detroit MI (340) Tandem: DTRTMIVW20T 🔧 Explore Switch(CLLI: DRBRMIFBDS0))
313-983	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	DETROITZN1	DTRTMIBHDS0	00/00/0000	Prefix Type: RBOC Switch Name: DTRT HDQTRS DS0 Switch Type: DMS100 LATA: Detroit MI (340) Tandem: DTRTMIVW20T 🔧 Explore Switch(CLLI: DTRTMIBHDS0))
313-983 is split into 1,000-number blocks - detail below
313-983-0XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	DETROITZN1	DTRTMIBHDS0	N/A	Prefix Type: RBOC Switch Name: DTRT HDQTRS DS0 Switch Type: DMS100 LATA: Detroit MI (340) Tandem: DTRTMIVW20T 🔧 Explore Switch(CLLI: DTRTMIBHDS0))
313-983-1XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	DETROITZN1	DTRTMIBHDS0	N/A	Prefix Type: RBOC Switch Name: DTRT HDQTRS DS0 Switch Type: DMS100 LATA: Detroit MI (340) Tandem: DTRTMIVW20T 🔧 Explore Switch(CLLI: DTRTMIBHDS0))
313-983-2XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	DETROITZN1	DTRTMIBHDS0	N/A	Prefix Type: RBOC Switch Name: DTRT HDQTRS DS0 Switch Type: DMS100 LATA: Detroit MI (340) Tandem: DTRTMIVW20T 🔧 Explore Switch(CLLI: DTRTMIBHDS0))
313-983-3XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	DETROITZN1	DTRTMIBHDS0	N/A	Prefix Type: RBOC Switch Name: DTRT HDQTRS DS0 Switch Type: DMS100 LATA: Detroit MI (340) Tandem: DTRTMIVW20T 🔧 Explore Switch(CLLI: DTRTMIBHDS0))
313-983-4XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	DETROITZN1	DTRTMIBHDS0	N/A	Prefix Type: RBOC Switch Name: DTRT HDQTRS DS0 Switch Type: DMS100 LATA: Detroit MI (340) Tandem: DTRTMIVW20T 🔧 Explore Switch(CLLI: DTRTMIBHDS0))
313-983-5XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	DETROITZN1	DTRTMIBHDS0	N/A	Prefix Type: RBOC Switch Name: DTRT HDQTRS DS0 Switch Type: DMS100 LATA: Detroit MI (340) Tandem: DTRTMIVW20T 🔧 Explore Switch(CLLI: DTRTMIBHDS0))
313-983-6XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	DETROITZN1	DTRTMIBHDS0	N/A	Prefix Type: RBOC Switch Name: DTRT HDQTRS DS0 Switch Type: DMS100 LATA: Detroit MI (340) Tandem: DTRTMIVW20T 🔧 Explore Switch(CLLI: DTRTMIBHDS0))
313-983-7XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	DETROITZN1	DTRTMIBHDS0	N/A	Prefix Type: RBOC Switch Name: DTRT HDQTRS DS0 Switch Type: DMS100 LATA: Detroit MI (340) Tandem: DTRTMIVW20T 🔧 Explore Switch(CLLI: DTRTMIBHDS0))
313-983-8XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	DETROITZN1	DTRTMIBHDS0	N/A	Prefix Type: RBOC Switch Name: DTRT HDQTRS DS0 Switch Type: DMS100 LATA: Detroit MI (340) Tandem: DTRTMIVW20T 🔧 Explore Switch(CLLI: DTRTMIBHDS0))
313-993	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	DETROITZN1	DTRTMICLDS0	00/00/0000	Prefix Type: RBOC Switch Name: DTRT COLUMBIA Switch Type: DMS100 LATA: Detroit MI (340) Tandem: DTRTMIVW20T 🔧 Explore Switch(CLLI: DTRTMICLDS0))
313-996	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	DETROITZN6	DRBRMIFBDS0	00/00/0000	Prefix Type: RBOC Switch Name: DRBR FAIRBORN DS0 Switch Type: DMS100 LATA: Detroit MI (340) Tandem: DTRTMIVW20T 🔧 Explore Switch(CLLI: DRBRMIFBDS0))
313-996 is split into 1,000-number blocks - detail below
313-996-0XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	DETROITZN6	DRBRMIFBDS0	N/A	Prefix Type: RBOC Switch Name: DRBR FAIRBORN DS0 Switch Type: DMS100 LATA: Detroit MI (340) Tandem: DTRTMIVW20T 🔧 Explore Switch(CLLI: DRBRMIFBDS0))
313-996-1XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	DETROITZN6	DRBRMIFBDS0	N/A	Prefix Type: RBOC Switch Name: DRBR FAIRBORN DS0 Switch Type: DMS100 LATA: Detroit MI (340) Tandem: DTRTMIVW20T 🔧 Explore Switch(CLLI: DRBRMIFBDS0))
313-996-2XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	DETROITZN6	DRBRMIFBDS0	N/A	Prefix Type: RBOC Switch Name: DRBR FAIRBORN DS0 Switch Type: DMS100 LATA: Detroit MI (340) Tandem: DTRTMIVW20T 🔧 Explore Switch(CLLI: DRBRMIFBDS0))
313-996-3XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	DETROITZN6	DRBRMIFBDS0	N/A	Prefix Type: RBOC Switch Name: DRBR FAIRBORN DS0 Switch Type: DMS100 LATA: Detroit MI (340) Tandem: DTRTMIVW20T 🔧 Explore Switch(CLLI: DRBRMIFBDS0))
313-996-7XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	DETROITZN6	DRBRMIFBDS0	N/A	Prefix Type: RBOC Switch Name: DRBR FAIRBORN DS0 Switch Type: DMS100 LATA: Detroit MI (340) Tandem: DTRTMIVW20T 🔧 Explore Switch(CLLI: DRBRMIFBDS0))
313-996-8XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	DETROITZN6	DRBRMIFBDS0	N/A	Prefix Type: RBOC Switch Name: DRBR FAIRBORN DS0 Switch Type: DMS100 LATA: Detroit MI (340) Tandem: DTRTMIVW20T 🔧 Explore Switch(CLLI: DRBRMIFBDS0))
517-203	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	LANSING	ELNSMIMNDS0	00/00/0000	Prefix Type: RBOC Switch Name: EAST LANSING Switch Type: DMS100 LATA: Lansing MI (346) Tandem: LNNGMIMN20T 🔧 Explore Switch(CLLI: ELNSMIMNDS0))
517-203 is split into 1,000-number blocks - detail below
517-203-0XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	LANSING	ELNSMIMNDS0	N/A	Prefix Type: RBOC Switch Name: EAST LANSING Switch Type: DMS100 LATA: Lansing MI (346) Tandem: LNNGMIMN20T 🔧 Explore Switch(CLLI: ELNSMIMNDS0))
517-203-1XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	LANSING	ELNSMIMNDS0	N/A	Prefix Type: RBOC Switch Name: EAST LANSING Switch Type: DMS100 LATA: Lansing MI (346) Tandem: LNNGMIMN20T 🔧 Explore Switch(CLLI: ELNSMIMNDS0))
517-203-2XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	LANSING	ELNSMIMNDS0	N/A	Prefix Type: RBOC Switch Name: EAST LANSING Switch Type: DMS100 LATA: Lansing MI (346) Tandem: LNNGMIMN20T 🔧 Explore Switch(CLLI: ELNSMIMNDS0))
517-203-3XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	LANSING	ELNSMIMNDS0	N/A	Prefix Type: RBOC Switch Name: EAST LANSING Switch Type: DMS100 LATA: Lansing MI (346) Tandem: LNNGMIMN20T 🔧 Explore Switch(CLLI: ELNSMIMNDS0))
517-203-4XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	LANSING	ELNSMIMNDS0	N/A	Prefix Type: RBOC Switch Name: EAST LANSING Switch Type: DMS100 LATA: Lansing MI (346) Tandem: LNNGMIMN20T 🔧 Explore Switch(CLLI: ELNSMIMNDS0))
517-203-7XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	LANSING	ELNSMIMNDS0	N/A	Prefix Type: RBOC Switch Name: EAST LANSING Switch Type: DMS100 LATA: Lansing MI (346) Tandem: LNNGMIMN20T 🔧 Explore Switch(CLLI: ELNSMIMNDS0))
517-205	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	JACKSON	JCSNMIMNDS0	04/17/2014	Prefix Type: RBOC Switch Name: JACKSON DS0 Switch Type: DMS100 LATA: Lansing MI (346) Tandem: LNNGMIMN20T 🔧 Explore Switch(CLLI: JCSNMIMNDS0))
517-205 is split into 1,000-number blocks - detail below
517-205-0XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	JACKSON	JCSNMIMNDS0	04/24/2014	Prefix Type: RBOC Switch Name: JACKSON DS0 Switch Type: DMS100 LATA: Lansing MI (346) Tandem: LNNGMIMN20T 🔧 Explore Switch(CLLI: JCSNMIMNDS0))
517-205-1XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	JACKSON	JCSNMIMNDS0	04/24/2014	Prefix Type: RBOC Switch Name: JACKSON DS0 Switch Type: DMS100 LATA: Lansing MI (346) Tandem: LNNGMIMN20T 🔧 Explore Switch(CLLI: JCSNMIMNDS0))
517-205-2XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	JACKSON	JCSNMIMNDS0	04/24/2014	Prefix Type: RBOC Switch Name: JACKSON DS0 Switch Type: DMS100 LATA: Lansing MI (346) Tandem: LNNGMIMN20T 🔧 Explore Switch(CLLI: JCSNMIMNDS0))
517-205-3XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	JACKSON	JCSNMIMNDS0	04/24/2014	Prefix Type: RBOC Switch Name: JACKSON DS0 Switch Type: DMS100 LATA: Lansing MI (346) Tandem: LNNGMIMN20T 🔧 Explore Switch(CLLI: JCSNMIMNDS0))
517-205-4XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	JACKSON	JCSNMIMNDS0	04/24/2014	Prefix Type: RBOC Switch Name: JACKSON DS0 Switch Type: DMS100 LATA: Lansing MI (346) Tandem: LNNGMIMN20T 🔧 Explore Switch(CLLI: JCSNMIMNDS0))
517-205-5XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	JACKSON	JCSNMIMNDS0	04/24/2014	Prefix Type: RBOC Switch Name: JACKSON DS0 Switch Type: DMS100 LATA: Lansing MI (346) Tandem: LNNGMIMN20T 🔧 Explore Switch(CLLI: JCSNMIMNDS0))
517-205-6XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	JACKSON	JCSNMIMNDS0	04/24/2014	Prefix Type: RBOC Switch Name: JACKSON DS0 Switch Type: DMS100 LATA: Lansing MI (346) Tandem: LNNGMIMN20T 🔧 Explore Switch(CLLI: JCSNMIMNDS0))
517-205-7XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	JACKSON	JCSNMIMNDS0	04/24/2014	Prefix Type: RBOC Switch Name: JACKSON DS0 Switch Type: DMS100 LATA: Lansing MI (346) Tandem: LNNGMIMN20T 🔧 Explore Switch(CLLI: JCSNMIMNDS0))
517-205-8XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	JACKSON	JCSNMIMNDS0	04/24/2014	Prefix Type: RBOC Switch Name: JACKSON DS0 Switch Type: DMS100 LATA: Lansing MI (346) Tandem: LNNGMIMN20T 🔧 Explore Switch(CLLI: JCSNMIMNDS0))
517-205-9XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	JACKSON	JCSNMIMNDS0	04/24/2014	Prefix Type: RBOC Switch Name: JACKSON DS0 Switch Type: DMS100 LATA: Lansing MI (346) Tandem: LNNGMIMN20T 🔧 Explore Switch(CLLI: JCSNMIMNDS0))
517-223	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	FOWLERVL	FWVLMIMNRSA	00/00/0000	Prefix Type: RBOC Switch Name: FOWLERVILLE Switch Type: N/A LATA: Lansing MI (346) Tandem: LNNGMIMN20T 🔧 Explore Switch(CLLI: FWVLMIMNRSA))
517-241	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	LANSING	LNNGMIMNDS1	00/00/0000	Prefix Type: RBOC Switch Name: LANSING DS1 Switch Type: DMS100 LATA: Lansing MI (346) Tandem: LNNGMIMN20T 🔧 Explore Switch(CLLI: LNNGMIMNDS1))
517-244	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	MASON	MASNMIMSRSA	00/00/0000	Prefix Type: RBOC Switch Name: MASON Switch Type: N/A LATA: Lansing MI (346) Tandem: LNNGMIMN20T 🔧 Explore Switch(CLLI: MASNMIMSRSA))
517-244 is split into 1,000-number blocks - detail below
517-244-0XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	MASON	MASNMIMSRSA	N/A	Prefix Type: RBOC Switch Name: MASON Switch Type: N/A LATA: Lansing MI (346) Tandem: LNNGMIMN20T 🔧 Explore Switch(CLLI: MASNMIMSRSA))
517-244-1XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	MASON	MASNMIMSRSA	N/A	Prefix Type: RBOC Switch Name: MASON Switch Type: N/A LATA: Lansing MI (346) Tandem: LNNGMIMN20T 🔧 Explore Switch(CLLI: MASNMIMSRSA))
517-244-2XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	MASON	MASNMIMSRSA	N/A	Prefix Type: RBOC Switch Name: MASON Switch Type: N/A LATA: Lansing MI (346) Tandem: LNNGMIMN20T 🔧 Explore Switch(CLLI: MASNMIMSRSA))
517-244-3XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	MASON	MASNMIMSRSA	N/A	Prefix Type: RBOC Switch Name: MASON Switch Type: N/A LATA: Lansing MI (346) Tandem: LNNGMIMN20T 🔧 Explore Switch(CLLI: MASNMIMSRSA))
517-244-4XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	MASON	MASNMIMSRSA	N/A	Prefix Type: RBOC Switch Name: MASON Switch Type: N/A LATA: Lansing MI (346) Tandem: LNNGMIMN20T 🔧 Explore Switch(CLLI: MASNMIMSRSA))
517-244-8XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	MASON	MASNMIMSRSA	N/A	Prefix Type: RBOC Switch Name: MASON Switch Type: N/A LATA: Lansing MI (346) Tandem: LNNGMIMN20T 🔧 Explore Switch(CLLI: MASNMIMSRSA))
517-244-9XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	MASON	MASNMIMSRSA	N/A	Prefix Type: RBOC Switch Name: MASON Switch Type: N/A LATA: Lansing MI (346) Tandem: LNNGMIMN20T 🔧 Explore Switch(CLLI: MASNMIMSRSA))
517-253	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	LANSING	LNNGMIMNDS1	04/19/2013	Prefix Type: RBOC Switch Name: LANSING DS1 Switch Type: DMS100 LATA: Lansing MI (346) Tandem: LNNGMIMN20T 🔧 Explore Switch(CLLI: LNNGMIMNDS1))
517-253 is split into 1,000-number blocks - detail below
517-253-2XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	LANSING	LNNGMIMNDS1	04/22/2013	Prefix Type: RBOC Switch Name: LANSING DS1 Switch Type: DMS100 LATA: Lansing MI (346) Tandem: LNNGMIMN20T 🔧 Explore Switch(CLLI: LNNGMIMNDS1))
517-253-3XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	LANSING	LNNGMIMNDS1	04/22/2013	Prefix Type: RBOC Switch Name: LANSING DS1 Switch Type: DMS100 LATA: Lansing MI (346) Tandem: LNNGMIMN20T 🔧 Explore Switch(CLLI: LNNGMIMNDS1))
517-253-4XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	LANSING	LNNGMIMNDS1	04/22/2013	Prefix Type: RBOC Switch Name: LANSING DS1 Switch Type: DMS100 LATA: Lansing MI (346) Tandem: LNNGMIMN20T 🔧 Explore Switch(CLLI: LNNGMIMNDS1))
517-253-5XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	LANSING	LNNGMIMNDS1	04/22/2013	Prefix Type: RBOC Switch Name: LANSING DS1 Switch Type: DMS100 LATA: Lansing MI (346) Tandem: LNNGMIMN20T 🔧 Explore Switch(CLLI: LNNGMIMNDS1))
517-253-6XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	LANSING	LNNGMIMNDS1	04/22/2013	Prefix Type: RBOC Switch Name: LANSING DS1 Switch Type: DMS100 LATA: Lansing MI (346) Tandem: LNNGMIMN20T 🔧 Explore Switch(CLLI: LNNGMIMNDS1))
517-267	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	LANSING	LNNGMIMNDS1	00/00/0000	Prefix Type: RBOC Switch Name: LANSING DS1 Switch Type: DMS100 LATA: Lansing MI (346) Tandem: LNNGMIMN20T 🔧 Explore Switch(CLLI: LNNGMIMNDS1))
517-272	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	LANSING	LNNGMISORS0	00/00/0000	Prefix Type: RBOC Switch Name: LANSING Switch Type: N/A LATA: Lansing MI (346) Tandem: N/A 🔧 Explore Switch(CLLI: LNNGMISORS0))
517-272 is split into 1,000-number blocks - detail below
517-272-0XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	LANSING	LNNGMISORS0	N/A	Prefix Type: RBOC Switch Name: LANSING Switch Type: N/A LATA: Lansing MI (346) Tandem: N/A 🔧 Explore Switch(CLLI: LNNGMISORS0))
517-272-1XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	LANSING	LNNGMISORS0	N/A	Prefix Type: RBOC Switch Name: LANSING Switch Type: N/A LATA: Lansing MI (346) Tandem: N/A 🔧 Explore Switch(CLLI: LNNGMISORS0))
517-272-2XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	LANSING	LNNGMISORS0	N/A	Prefix Type: RBOC Switch Name: LANSING Switch Type: N/A LATA: Lansing MI (346) Tandem: N/A 🔧 Explore Switch(CLLI: LNNGMISORS0))
517-272-3XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	LANSING	LNNGMISORS0	N/A	Prefix Type: RBOC Switch Name: LANSING Switch Type: N/A LATA: Lansing MI (346) Tandem: N/A 🔧 Explore Switch(CLLI: LNNGMISORS0))
517-272-4XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	LANSING	LNNGMISORS0	N/A	Prefix Type: RBOC Switch Name: LANSING Switch Type: N/A LATA: Lansing MI (346) Tandem: N/A 🔧 Explore Switch(CLLI: LNNGMISORS0))
517-272-5XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	LANSING	LNNGMISORS0	N/A	Prefix Type: RBOC Switch Name: LANSING Switch Type: N/A LATA: Lansing MI (346) Tandem: N/A 🔧 Explore Switch(CLLI: LNNGMISORS0))
517-272-6XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	LANSING	LNNGMISORS0	N/A	Prefix Type: RBOC Switch Name: LANSING Switch Type: N/A LATA: Lansing MI (346) Tandem: N/A 🔧 Explore Switch(CLLI: LNNGMISORS0))
517-272-7XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	LANSING	LNNGMISORS0	N/A	Prefix Type: RBOC Switch Name: LANSING Switch Type: N/A LATA: Lansing MI (346) Tandem: N/A 🔧 Explore Switch(CLLI: LNNGMISORS0))
517-272-9XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	LANSING	LNNGMISORS0	N/A	Prefix Type: RBOC Switch Name: LANSING Switch Type: N/A LATA: Lansing MI (346) Tandem: N/A 🔧 Explore Switch(CLLI: LNNGMISORS0))
517-284	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	LANSING	LNNGMIMNDS1	08/11/2011	Prefix Type: RBOC Switch Name: LANSING DS1 Switch Type: DMS100 LATA: Lansing MI (346) Tandem: LNNGMIMN20T 🔧 Explore Switch(CLLI: LNNGMIMNDS1))
517-284 is split into 1,000-number blocks - detail below
517-284-0XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	LANSING	LNNGMIMNDS1	08/11/2011	Prefix Type: RBOC Switch Name: LANSING DS1 Switch Type: DMS100 LATA: Lansing MI (346) Tandem: LNNGMIMN20T 🔧 Explore Switch(CLLI: LNNGMIMNDS1))
517-284-1XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	LANSING	LNNGMIMNDS1	08/11/2011	Prefix Type: RBOC Switch Name: LANSING DS1 Switch Type: DMS100 LATA: Lansing MI (346) Tandem: LNNGMIMN20T 🔧 Explore Switch(CLLI: LNNGMIMNDS1))
517-284-2XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	LANSING	LNNGMIMNDS1	08/11/2011	Prefix Type: RBOC Switch Name: LANSING DS1 Switch Type: DMS100 LATA: Lansing MI (346) Tandem: LNNGMIMN20T 🔧 Explore Switch(CLLI: LNNGMIMNDS1))
517-284-3XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	LANSING	LNNGMIMNDS1	08/11/2011	Prefix Type: RBOC Switch Name: LANSING DS1 Switch Type: DMS100 LATA: Lansing MI (346) Tandem: LNNGMIMN20T 🔧 Explore Switch(CLLI: LNNGMIMNDS1))
517-284-4XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	LANSING	LNNGMIMNDS1	08/11/2011	Prefix Type: RBOC Switch Name: LANSING DS1 Switch Type: DMS100 LATA: Lansing MI (346) Tandem: LNNGMIMN20T 🔧 Explore Switch(CLLI: LNNGMIMNDS1))
517-284-5XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	LANSING	LNNGMIMNDS1	08/11/2011	Prefix Type: RBOC Switch Name: LANSING DS1 Switch Type: DMS100 LATA: Lansing MI (346) Tandem: LNNGMIMN20T 🔧 Explore Switch(CLLI: LNNGMIMNDS1))
517-284-6XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	LANSING	LNNGMIMNDS1	08/11/2011	Prefix Type: RBOC Switch Name: LANSING DS1 Switch Type: DMS100 LATA: Lansing MI (346) Tandem: LNNGMIMN20T 🔧 Explore Switch(CLLI: LNNGMIMNDS1))
517-284-7XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	LANSING	LNNGMIMNDS1	08/11/2011	Prefix Type: RBOC Switch Name: LANSING DS1 Switch Type: DMS100 LATA: Lansing MI (346) Tandem: LNNGMIMN20T 🔧 Explore Switch(CLLI: LNNGMIMNDS1))
517-284-8XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	LANSING	LNNGMIMNDS1	08/11/2011	Prefix Type: RBOC Switch Name: LANSING DS1 Switch Type: DMS100 LATA: Lansing MI (346) Tandem: LNNGMIMN20T 🔧 Explore Switch(CLLI: LNNGMIMNDS1))
517-284-9XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	LANSING	LNNGMIMNDS1	08/11/2011	Prefix Type: RBOC Switch Name: LANSING DS1 Switch Type: DMS100 LATA: Lansing MI (346) Tandem: LNNGMIMN20T 🔧 Explore Switch(CLLI: LNNGMIMNDS1))
517-316	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	LANSING	LNNGMIMNDS0	00/00/0000	Prefix Type: RBOC Switch Name: LANSING DS0 Switch Type: DMS1/2 LATA: Lansing MI (346) Tandem: LNNGMIMN20T 🔧 Explore Switch(CLLI: LNNGMIMNDS0))
517-316 is split into 1,000-number blocks - detail below
517-316-0XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	LANSING	LNNGMIMNDS0	N/A	Prefix Type: RBOC Switch Name: LANSING DS0 Switch Type: DMS1/2 LATA: Lansing MI (346) Tandem: LNNGMIMN20T 🔧 Explore Switch(CLLI: LNNGMIMNDS0))
517-316-1XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	LANSING	LNNGMIMNDS0	N/A	Prefix Type: RBOC Switch Name: LANSING DS0 Switch Type: DMS1/2 LATA: Lansing MI (346) Tandem: LNNGMIMN20T 🔧 Explore Switch(CLLI: LNNGMIMNDS0))
517-316-2XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	LANSING	LNNGMIMNDS0	N/A	Prefix Type: RBOC Switch Name: LANSING DS0 Switch Type: DMS1/2 LATA: Lansing MI (346) Tandem: LNNGMIMN20T 🔧 Explore Switch(CLLI: LNNGMIMNDS0))
517-316-3XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	LANSING	LNNGMIMNDS0	N/A	Prefix Type: RBOC Switch Name: LANSING DS0 Switch Type: DMS1/2 LATA: Lansing MI (346) Tandem: LNNGMIMN20T 🔧 Explore Switch(CLLI: LNNGMIMNDS0))
517-316-4XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	LANSING	LNNGMIMNDS0	N/A	Prefix Type: RBOC Switch Name: LANSING DS0 Switch Type: DMS1/2 LATA: Lansing MI (346) Tandem: LNNGMIMN20T 🔧 Explore Switch(CLLI: LNNGMIMNDS0))
517-316-7XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	LANSING	LNNGMIMNDS0	N/A	Prefix Type: RBOC Switch Name: LANSING DS0 Switch Type: DMS1/2 LATA: Lansing MI (346) Tandem: LNNGMIMN20T 🔧 Explore Switch(CLLI: LNNGMIMNDS0))
517-316-8XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	LANSING	LNNGMIMNDS0	N/A	Prefix Type: RBOC Switch Name: LANSING DS0 Switch Type: DMS1/2 LATA: Lansing MI (346) Tandem: LNNGMIMN20T 🔧 Explore Switch(CLLI: LNNGMIMNDS0))
517-316-9XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	LANSING	LNNGMIMNDS0	N/A	Prefix Type: RBOC Switch Name: LANSING DS0 Switch Type: DMS1/2 LATA: Lansing MI (346) Tandem: LNNGMIMN20T 🔧 Explore Switch(CLLI: LNNGMIMNDS0))
517-321	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	LANSING	LNNGMINWDS0	00/00/0000	Prefix Type: RBOC Switch Name: LANSING NW Switch Type: DMS100 LATA: Lansing MI (346) Tandem: LNNGMIMN20T 🔧 Explore Switch(CLLI: LNNGMINWDS0))
517-322	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	LANSING	DMDLMIDDRS0	00/00/0000	Prefix Type: RBOC Switch Name: DIMONDALE RS0 Switch Type: N/A LATA: Lansing MI (346) Tandem: LNNGMIMN20T 🔧 Explore Switch(CLLI: DMDLMIDDRS0))
517-323	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	LANSING	LNNGMINWDS0	00/00/0000	Prefix Type: RBOC Switch Name: LANSING NW Switch Type: DMS100 LATA: Lansing MI (346) Tandem: LNNGMIMN20T 🔧 Explore Switch(CLLI: LNNGMINWDS0))
517-324	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	LANSING	ELNSMIMNDS0	00/00/0000	Prefix Type: RBOC Switch Name: EAST LANSING Switch Type: DMS100 LATA: Lansing MI (346) Tandem: LNNGMIMN20T 🔧 Explore Switch(CLLI: ELNSMIMNDS0))
517-325	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	LANSING	LNNGMIMNDS0	00/00/0000	Prefix Type: RBOC Switch Name: LANSING DS0 Switch Type: DMS1/2 LATA: Lansing MI (346) Tandem: LNNGMIMN20T 🔧 Explore Switch(CLLI: LNNGMIMNDS0))
517-325 is split into 1,000-number blocks - detail below
517-325-4XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	LANSING	LNNGMIMNDS0	N/A	Prefix Type: RBOC Switch Name: LANSING DS0 Switch Type: DMS1/2 LATA: Lansing MI (346) Tandem: LNNGMIMN20T 🔧 Explore Switch(CLLI: LNNGMIMNDS0))
517-325-6XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	LANSING	LNNGMIMNDS0	N/A	Prefix Type: RBOC Switch Name: LANSING DS0 Switch Type: DMS1/2 LATA: Lansing MI (346) Tandem: LNNGMIMN20T 🔧 Explore Switch(CLLI: LNNGMIMNDS0))
517-325-7XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	LANSING	LNNGMIMNDS0	N/A	Prefix Type: RBOC Switch Name: LANSING DS0 Switch Type: DMS1/2 LATA: Lansing MI (346) Tandem: LNNGMIMN20T 🔧 Explore Switch(CLLI: LNNGMIMNDS0))
517-325-8XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	LANSING	LNNGMIMNDS0	N/A	Prefix Type: RBOC Switch Name: LANSING DS0 Switch Type: DMS1/2 LATA: Lansing MI (346) Tandem: LNNGMIMN20T 🔧 Explore Switch(CLLI: LNNGMIMNDS0))
517-327	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	LANSING	LNNGMINWDS0	00/00/0000	Prefix Type: RBOC Switch Name: LANSING NW Switch Type: DMS100 LATA: Lansing MI (346) Tandem: LNNGMIMN20T 🔧 Explore Switch(CLLI: LNNGMINWDS0))
517-332	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	LANSING	ELNSMIMNDS0	00/00/0000	Prefix Type: RBOC Switch Name: EAST LANSING Switch Type: DMS100 LATA: Lansing MI (346) Tandem: LNNGMIMN20T 🔧 Explore Switch(CLLI: ELNSMIMNDS0))
517-333	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	LANSING	ELNSMIMNDS0	00/00/0000	Prefix Type: RBOC Switch Name: EAST LANSING Switch Type: DMS100 LATA: Lansing MI (346) Tandem: LNNGMIMN20T 🔧 Explore Switch(CLLI: ELNSMIMNDS0))
517-334	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	LANSING	LNNGMIMNDS0	00/00/0000	Prefix Type: RBOC Switch Name: LANSING DS0 Switch Type: DMS1/2 LATA: Lansing MI (346) Tandem: LNNGMIMN20T 🔧 Explore Switch(CLLI: LNNGMIMNDS0))
517-334 is split into 1,000-number blocks - detail below
517-334-1XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	LANSING	LNNGMIMNDS0	N/A	Prefix Type: RBOC Switch Name: LANSING DS0 Switch Type: DMS1/2 LATA: Lansing MI (346) Tandem: LNNGMIMN20T 🔧 Explore Switch(CLLI: LNNGMIMNDS0))
517-334-2XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	LANSING	LNNGMIMNDS0	N/A	Prefix Type: RBOC Switch Name: LANSING DS0 Switch Type: DMS1/2 LATA: Lansing MI (346) Tandem: LNNGMIMN20T 🔧 Explore Switch(CLLI: LNNGMIMNDS0))
517-334-3XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	LANSING	LNNGMIMNDS0	N/A	Prefix Type: RBOC Switch Name: LANSING DS0 Switch Type: DMS1/2 LATA: Lansing MI (346) Tandem: LNNGMIMN20T 🔧 Explore Switch(CLLI: LNNGMIMNDS0))
517-334-5XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	LANSING	LNNGMIMNDS0	N/A	Prefix Type: RBOC Switch Name: LANSING DS0 Switch Type: DMS1/2 LATA: Lansing MI (346) Tandem: LNNGMIMN20T 🔧 Explore Switch(CLLI: LNNGMIMNDS0))
517-334-6XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	LANSING	LNNGMIMNDS0	N/A	Prefix Type: RBOC Switch Name: LANSING DS0 Switch Type: DMS1/2 LATA: Lansing MI (346) Tandem: LNNGMIMN20T 🔧 Explore Switch(CLLI: LNNGMIMNDS0))
517-334-7XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	LANSING	LNNGMIMNDS0	N/A	Prefix Type: RBOC Switch Name: LANSING DS0 Switch Type: DMS1/2 LATA: Lansing MI (346) Tandem: LNNGMIMN20T 🔧 Explore Switch(CLLI: LNNGMIMNDS0))
517-334-8XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	LANSING	LNNGMIMNDS0	N/A	Prefix Type: RBOC Switch Name: LANSING DS0 Switch Type: DMS1/2 LATA: Lansing MI (346) Tandem: LNNGMIMN20T 🔧 Explore Switch(CLLI: LNNGMIMNDS0))
517-334-9XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	LANSING	LNNGMIMNDS0	N/A	Prefix Type: RBOC Switch Name: LANSING DS0 Switch Type: DMS1/2 LATA: Lansing MI (346) Tandem: LNNGMIMN20T 🔧 Explore Switch(CLLI: LNNGMIMNDS0))
517-335	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	LANSING	LNNGMIMNDS1	00/00/0000	Prefix Type: RBOC Switch Name: LANSING DS1 Switch Type: DMS100 LATA: Lansing MI (346) Tandem: LNNGMIMN20T 🔧 Explore Switch(CLLI: LNNGMIMNDS1))
517-336	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	LANSING	ELNSMIMNDS0	00/00/0000	Prefix Type: RBOC Switch Name: EAST LANSING Switch Type: DMS100 LATA: Lansing MI (346) Tandem: LNNGMIMN20T 🔧 Explore Switch(CLLI: ELNSMIMNDS0))
517-336 is split into 1,000-number blocks - detail below
517-336-0XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	LANSING	ELNSMIMNDS0	N/A	Prefix Type: RBOC Switch Name: EAST LANSING Switch Type: DMS100 LATA: Lansing MI (346) Tandem: LNNGMIMN20T 🔧 Explore Switch(CLLI: ELNSMIMNDS0))
517-336-1XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	LANSING	ELNSMIMNDS0	N/A	Prefix Type: RBOC Switch Name: EAST LANSING Switch Type: DMS100 LATA: Lansing MI (346) Tandem: LNNGMIMN20T 🔧 Explore Switch(CLLI: ELNSMIMNDS0))
517-336-2XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	LANSING	ELNSMIMNDS0	N/A	Prefix Type: RBOC Switch Name: EAST LANSING Switch Type: DMS100 LATA: Lansing MI (346) Tandem: LNNGMIMN20T 🔧 Explore Switch(CLLI: ELNSMIMNDS0))
517-336-4XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	LANSING	ELNSMIMNDS0	N/A	Prefix Type: RBOC Switch Name: EAST LANSING Switch Type: DMS100 LATA: Lansing MI (346) Tandem: LNNGMIMN20T 🔧 Explore Switch(CLLI: ELNSMIMNDS0))
517-336-5XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	LANSING	ELNSMIMNDS0	N/A	Prefix Type: RBOC Switch Name: EAST LANSING Switch Type: DMS100 LATA: Lansing MI (346) Tandem: LNNGMIMN20T 🔧 Explore Switch(CLLI: ELNSMIMNDS0))
517-336-6XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	LANSING	ELNSMIMNDS0	N/A	Prefix Type: RBOC Switch Name: EAST LANSING Switch Type: DMS100 LATA: Lansing MI (346) Tandem: LNNGMIMN20T 🔧 Explore Switch(CLLI: ELNSMIMNDS0))
517-336-7XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	LANSING	ELNSMIMNDS0	N/A	Prefix Type: RBOC Switch Name: EAST LANSING Switch Type: DMS100 LATA: Lansing MI (346) Tandem: LNNGMIMN20T 🔧 Explore Switch(CLLI: ELNSMIMNDS0))
517-336-8XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	LANSING	ELNSMIMNDS0	N/A	Prefix Type: RBOC Switch Name: EAST LANSING Switch Type: DMS100 LATA: Lansing MI (346) Tandem: LNNGMIMN20T 🔧 Explore Switch(CLLI: ELNSMIMNDS0))
517-336-9XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	LANSING	ELNSMIMNDS0	N/A	Prefix Type: RBOC Switch Name: EAST LANSING Switch Type: DMS100 LATA: Lansing MI (346) Tandem: LNNGMIMN20T 🔧 Explore Switch(CLLI: ELNSMIMNDS0))
517-337	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	LANSING	ELNSMIMNDS0	00/00/0000	Prefix Type: RBOC Switch Name: EAST LANSING Switch Type: DMS100 LATA: Lansing MI (346) Tandem: LNNGMIMN20T 🔧 Explore Switch(CLLI: ELNSMIMNDS0))
517-339	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	LANSING	HSLTMIHSRSA	00/00/0000	Prefix Type: RBOC Switch Name: HASLETT Switch Type: N/A LATA: Lansing MI (346) Tandem: LNNGMIMN20T 🔧 Explore Switch(CLLI: HSLTMIHSRSA))
517-342	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	LANSING	LNNGMIMNDS1	00/00/0000	Prefix Type: RBOC Switch Name: LANSING DS1 Switch Type: DMS100 LATA: Lansing MI (346) Tandem: LNNGMIMN20T 🔧 Explore Switch(CLLI: LNNGMIMNDS1))
517-342 is split into 1,000-number blocks - detail below
517-342-0XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	LANSING	LNNGMIMNDS1	N/A	Prefix Type: RBOC Switch Name: LANSING DS1 Switch Type: DMS100 LATA: Lansing MI (346) Tandem: LNNGMIMN20T 🔧 Explore Switch(CLLI: LNNGMIMNDS1))
517-342-1XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	LANSING	LNNGMIMNDS1	N/A	Prefix Type: RBOC Switch Name: LANSING DS1 Switch Type: DMS100 LATA: Lansing MI (346) Tandem: LNNGMIMN20T 🔧 Explore Switch(CLLI: LNNGMIMNDS1))
517-342-2XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	LANSING	LNNGMIMNDS1	N/A	Prefix Type: RBOC Switch Name: LANSING DS1 Switch Type: DMS100 LATA: Lansing MI (346) Tandem: LNNGMIMN20T 🔧 Explore Switch(CLLI: LNNGMIMNDS1))
517-342-3XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	LANSING	LNNGMIMNDS1	N/A	Prefix Type: RBOC Switch Name: LANSING DS1 Switch Type: DMS100 LATA: Lansing MI (346) Tandem: LNNGMIMN20T 🔧 Explore Switch(CLLI: LNNGMIMNDS1))
517-342-5XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	LANSING	LNNGMIMNDS1	N/A	Prefix Type: RBOC Switch Name: LANSING DS1 Switch Type: DMS100 LATA: Lansing MI (346) Tandem: LNNGMIMN20T 🔧 Explore Switch(CLLI: LNNGMIMNDS1))
517-342-6XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	LANSING	LNNGMIMNDS1	N/A	Prefix Type: RBOC Switch Name: LANSING DS1 Switch Type: DMS100 LATA: Lansing MI (346) Tandem: LNNGMIMN20T 🔧 Explore Switch(CLLI: LNNGMIMNDS1))
517-342-7XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	LANSING	LNNGMIMNDS1	N/A	Prefix Type: RBOC Switch Name: LANSING DS1 Switch Type: DMS100 LATA: Lansing MI (346) Tandem: LNNGMIMN20T 🔧 Explore Switch(CLLI: LNNGMIMNDS1))
517-342-8XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	LANSING	LNNGMIMNDS1	N/A	Prefix Type: RBOC Switch Name: LANSING DS1 Switch Type: DMS100 LATA: Lansing MI (346) Tandem: LNNGMIMN20T 🔧 Explore Switch(CLLI: LNNGMIMNDS1))
517-342-9XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	LANSING	LNNGMIMNDS1	N/A	Prefix Type: RBOC Switch Name: LANSING DS1 Switch Type: DMS100 LATA: Lansing MI (346) Tandem: LNNGMIMN20T 🔧 Explore Switch(CLLI: LNNGMIMNDS1))
517-346	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	LANSING	LNNGMIMNDS0	00/00/0000	Prefix Type: RBOC Switch Name: LANSING DS0 Switch Type: DMS1/2 LATA: Lansing MI (346) Tandem: LNNGMIMN20T 🔧 Explore Switch(CLLI: LNNGMIMNDS0))
517-347	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	LANSING	OKMSMIMNDS0	00/00/0000	Prefix Type: RBOC Switch Name: OKEMOS Switch Type: 5ESS LATA: Lansing MI (346) Tandem: LNNGMIMN20T 🔧 Explore Switch(CLLI: OKMSMIMNDS0))
517-349	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	LANSING	OKMSMIMNDS0	00/00/0000	Prefix Type: RBOC Switch Name: OKEMOS Switch Type: 5ESS LATA: Lansing MI (346) Tandem: LNNGMIMN20T 🔧 Explore Switch(CLLI: OKMSMIMNDS0))
517-351	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	LANSING	ELNSMIMNDS0	00/00/0000	Prefix Type: RBOC Switch Name: EAST LANSING Switch Type: DMS100 LATA: Lansing MI (346) Tandem: LNNGMIMN20T 🔧 Explore Switch(CLLI: ELNSMIMNDS0))
517-353	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	LANSING	ELNSMIMNDS0	00/00/0000	Prefix Type: RBOC Switch Name: EAST LANSING Switch Type: DMS100 LATA: Lansing MI (346) Tandem: LNNGMIMN20T 🔧 Explore Switch(CLLI: ELNSMIMNDS0))
517-355	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	LANSING	ELNSMIMNDS0	00/00/0000	Prefix Type: RBOC Switch Name: EAST LANSING Switch Type: DMS100 LATA: Lansing MI (346) Tandem: LNNGMIMN20T 🔧 Explore Switch(CLLI: ELNSMIMNDS0))
517-363	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	LANSING	LNNGMIMN363	00/00/0000	Prefix Type: RBOC Switch Name: LANSING Switch Type: WECO 1AESS LATA: Lansing MI (346) Tandem: N/A 🔧 Explore Switch(CLLI: LNNGMIMN363))
517-364	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	LANSING	LNNGMIMNDS1	00/00/0000	Prefix Type: RBOC Switch Name: LANSING DS1 Switch Type: DMS100 LATA: Lansing MI (346) Tandem: LNNGMIMN20T 🔧 Explore Switch(CLLI: LNNGMIMNDS1))
517-367	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	LANSING	LNNGMIMNDS0	00/00/0000	Prefix Type: RBOC Switch Name: LANSING DS0 Switch Type: DMS1/2 LATA: Lansing MI (346) Tandem: LNNGMIMN20T 🔧 Explore Switch(CLLI: LNNGMIMNDS0))
517-371	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	LANSING	LNNGMIMNDS0	00/00/0000	Prefix Type: RBOC Switch Name: LANSING DS0 Switch Type: DMS1/2 LATA: Lansing MI (346) Tandem: LNNGMIMN20T 🔧 Explore Switch(CLLI: LNNGMIMNDS0))
517-372	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	LANSING	LNNGMIMNDS0	00/00/0000	Prefix Type: RBOC Switch Name: LANSING DS0 Switch Type: DMS1/2 LATA: Lansing MI (346) Tandem: LNNGMIMN20T 🔧 Explore Switch(CLLI: LNNGMIMNDS0))
517-373	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	LANSING	LNNGMIMNDS1	00/00/0000	Prefix Type: RBOC Switch Name: LANSING DS1 Switch Type: DMS100 LATA: Lansing MI (346) Tandem: LNNGMIMN20T 🔧 Explore Switch(CLLI: LNNGMIMNDS1))
517-374	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	LANSING	LNNGMIMNDS1	00/00/0000	Prefix Type: RBOC Switch Name: LANSING DS1 Switch Type: DMS100 LATA: Lansing MI (346) Tandem: LNNGMIMN20T 🔧 Explore Switch(CLLI: LNNGMIMNDS1))
517-377	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	LANSING	LNNGMIMNDS1	00/00/0000	Prefix Type: RBOC Switch Name: LANSING DS1 Switch Type: DMS100 LATA: Lansing MI (346) Tandem: LNNGMIMN20T 🔧 Explore Switch(CLLI: LNNGMIMNDS1))
517-377 is split into 1,000-number blocks - detail below
517-377-0XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	LANSING	LNNGMIMNDS1	N/A	Prefix Type: RBOC Switch Name: LANSING DS1 Switch Type: DMS100 LATA: Lansing MI (346) Tandem: LNNGMIMN20T 🔧 Explore Switch(CLLI: LNNGMIMNDS1))
517-377-1XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	LANSING	LNNGMIMNDS1	N/A	Prefix Type: RBOC Switch Name: LANSING DS1 Switch Type: DMS100 LATA: Lansing MI (346) Tandem: LNNGMIMN20T 🔧 Explore Switch(CLLI: LNNGMIMNDS1))
517-377-3XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	LANSING	LNNGMIMNDS1	N/A	Prefix Type: RBOC Switch Name: LANSING DS1 Switch Type: DMS100 LATA: Lansing MI (346) Tandem: LNNGMIMN20T 🔧 Explore Switch(CLLI: LNNGMIMNDS1))
517-377-4XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	LANSING	LNNGMIMNDS1	N/A	Prefix Type: RBOC Switch Name: LANSING DS1 Switch Type: DMS100 LATA: Lansing MI (346) Tandem: LNNGMIMN20T 🔧 Explore Switch(CLLI: LNNGMIMNDS1))
517-377-8XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	LANSING	LNNGMIMNDS1	N/A	Prefix Type: RBOC Switch Name: LANSING DS1 Switch Type: DMS100 LATA: Lansing MI (346) Tandem: LNNGMIMN20T 🔧 Explore Switch(CLLI: LNNGMIMNDS1))
517-377-9XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	LANSING	LNNGMIMNDS1	N/A	Prefix Type: RBOC Switch Name: LANSING DS1 Switch Type: DMS100 LATA: Lansing MI (346) Tandem: LNNGMIMN20T 🔧 Explore Switch(CLLI: LNNGMIMNDS1))
517-381	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	LANSING	OKMSMIMNDS0	00/00/0000	Prefix Type: RBOC Switch Name: OKEMOS Switch Type: 5ESS LATA: Lansing MI (346) Tandem: LNNGMIMN20T 🔧 Explore Switch(CLLI: OKMSMIMNDS0))
517-393	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	LANSING	LNNGMISORS0	00/00/0000	Prefix Type: RBOC Switch Name: LANSING Switch Type: N/A LATA: Lansing MI (346) Tandem: N/A 🔧 Explore Switch(CLLI: LNNGMISORS0))
517-394	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	LANSING	LNNGMISORS0	00/00/0000	Prefix Type: RBOC Switch Name: LANSING Switch Type: N/A LATA: Lansing MI (346) Tandem: N/A 🔧 Explore Switch(CLLI: LNNGMISORS0))
517-432	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	LANSING	ELNSMIMNDS0	00/00/0000	Prefix Type: RBOC Switch Name: EAST LANSING Switch Type: DMS100 LATA: Lansing MI (346) Tandem: LNNGMIMN20T 🔧 Explore Switch(CLLI: ELNSMIMNDS0))
517-437	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	HILLSDALE	HLDLMIMNRSA	00/00/0000	Prefix Type: RBOC Switch Name: HILLSDALE RSA Switch Type: N/A LATA: Lansing MI (346) Tandem: LNNGMIMN20T 🔧 Explore Switch(CLLI: HLDLMIMNRSA))
517-439	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	HILLSDALE	HLDLMIMNRSA	00/00/0000	Prefix Type: RBOC Switch Name: HILLSDALE RSA Switch Type: N/A LATA: Lansing MI (346) Tandem: LNNGMIMN20T 🔧 Explore Switch(CLLI: HLDLMIMNRSA))
517-481	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	LANSING	LNNGMINWDS0	00/00/0000	Prefix Type: RBOC Switch Name: LANSING NW Switch Type: DMS100 LATA: Lansing MI (346) Tandem: LNNGMIMN20T 🔧 Explore Switch(CLLI: LNNGMINWDS0))
517-481 is split into 1,000-number blocks - detail below
517-481-7XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	LANSING	LNNGMINWDS0	N/A	Prefix Type: RBOC Switch Name: LANSING NW Switch Type: DMS100 LATA: Lansing MI (346) Tandem: LNNGMIMN20T 🔧 Explore Switch(CLLI: LNNGMINWDS0))
517-481-8XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	LANSING	LNNGMINWDS0	N/A	Prefix Type: RBOC Switch Name: LANSING NW Switch Type: DMS100 LATA: Lansing MI (346) Tandem: LNNGMIMN20T 🔧 Explore Switch(CLLI: LNNGMINWDS0))
517-481-9XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	LANSING	LNNGMINWDS0	N/A	Prefix Type: RBOC Switch Name: LANSING NW Switch Type: DMS100 LATA: Lansing MI (346) Tandem: LNNGMIMN20T 🔧 Explore Switch(CLLI: LNNGMINWDS0))
517-482	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	LANSING	LNNGMIMNDS1	00/00/0000	Prefix Type: RBOC Switch Name: LANSING DS1 Switch Type: DMS100 LATA: Lansing MI (346) Tandem: LNNGMIMN20T 🔧 Explore Switch(CLLI: LNNGMIMNDS1))
517-483	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	LANSING	LNNGMIMNDS1	00/00/0000	Prefix Type: RBOC Switch Name: LANSING DS1 Switch Type: DMS100 LATA: Lansing MI (346) Tandem: LNNGMIMN20T 🔧 Explore Switch(CLLI: LNNGMIMNDS1))
517-483 is split into 1,000-number blocks - detail below
517-483-0XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	LANSING	LNNGMIMNDS1	N/A	Prefix Type: RBOC Switch Name: LANSING DS1 Switch Type: DMS100 LATA: Lansing MI (346) Tandem: LNNGMIMN20T 🔧 Explore Switch(CLLI: LNNGMIMNDS1))
517-483-1XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	LANSING	LNNGMIMNDS1	N/A	Prefix Type: RBOC Switch Name: LANSING DS1 Switch Type: DMS100 LATA: Lansing MI (346) Tandem: LNNGMIMN20T 🔧 Explore Switch(CLLI: LNNGMIMNDS1))
517-483-4XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	LANSING	LNNGMIMNDS1	N/A	Prefix Type: RBOC Switch Name: LANSING DS1 Switch Type: DMS100 LATA: Lansing MI (346) Tandem: LNNGMIMN20T 🔧 Explore Switch(CLLI: LNNGMIMNDS1))
517-483-5XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	LANSING	LNNGMIMNDS1	N/A	Prefix Type: RBOC Switch Name: LANSING DS1 Switch Type: DMS100 LATA: Lansing MI (346) Tandem: LNNGMIMN20T 🔧 Explore Switch(CLLI: LNNGMIMNDS1))
517-483-6XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	LANSING	LNNGMIMNDS1	N/A	Prefix Type: RBOC Switch Name: LANSING DS1 Switch Type: DMS100 LATA: Lansing MI (346) Tandem: LNNGMIMN20T 🔧 Explore Switch(CLLI: LNNGMIMNDS1))
517-483-7XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	LANSING	LNNGMIMNDS1	N/A	Prefix Type: RBOC Switch Name: LANSING DS1 Switch Type: DMS100 LATA: Lansing MI (346) Tandem: LNNGMIMN20T 🔧 Explore Switch(CLLI: LNNGMIMNDS1))
517-483-8XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	LANSING	LNNGMIMNDS1	N/A	Prefix Type: RBOC Switch Name: LANSING DS1 Switch Type: DMS100 LATA: Lansing MI (346) Tandem: LNNGMIMN20T 🔧 Explore Switch(CLLI: LNNGMIMNDS1))
517-483-9XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	LANSING	LNNGMIMNDS1	N/A	Prefix Type: RBOC Switch Name: LANSING DS1 Switch Type: DMS100 LATA: Lansing MI (346) Tandem: LNNGMIMN20T 🔧 Explore Switch(CLLI: LNNGMIMNDS1))
517-484	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	LANSING	LNNGMIMNDS1	00/00/0000	Prefix Type: RBOC Switch Name: LANSING DS1 Switch Type: DMS100 LATA: Lansing MI (346) Tandem: LNNGMIMN20T 🔧 Explore Switch(CLLI: LNNGMIMNDS1))
517-485	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	LANSING	LNNGMIMNDS1	00/00/0000	Prefix Type: RBOC Switch Name: LANSING DS1 Switch Type: DMS100 LATA: Lansing MI (346) Tandem: LNNGMIMN20T 🔧 Explore Switch(CLLI: LNNGMIMNDS1))
517-487	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	LANSING	LNNGMIMNDS1	00/00/0000	Prefix Type: RBOC Switch Name: LANSING DS1 Switch Type: DMS100 LATA: Lansing MI (346) Tandem: LNNGMIMN20T 🔧 Explore Switch(CLLI: LNNGMIMNDS1))
517-529	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	CLARKLAKE	CLRKMIMNRSA	00/00/0000	Prefix Type: RBOC Switch Name: CLARK LAKE Switch Type: N/A LATA: Lansing MI (346) Tandem: LNNGMIMN20T 🔧 Explore Switch(CLLI: CLRKMIMNRSA))
517-529 is split into 1,000-number blocks - detail below
517-529-0XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	CLARKLAKE	CLRKMIMNRSA	N/A	Prefix Type: RBOC Switch Name: CLARK LAKE Switch Type: N/A LATA: Lansing MI (346) Tandem: LNNGMIMN20T 🔧 Explore Switch(CLLI: CLRKMIMNRSA))
517-529-1XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	CLARKLAKE	CLRKMIMNRSA	N/A	Prefix Type: RBOC Switch Name: CLARK LAKE Switch Type: N/A LATA: Lansing MI (346) Tandem: LNNGMIMN20T 🔧 Explore Switch(CLLI: CLRKMIMNRSA))
517-529-3XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	CLARKLAKE	CLRKMIMNRSA	N/A	Prefix Type: RBOC Switch Name: CLARK LAKE Switch Type: N/A LATA: Lansing MI (346) Tandem: LNNGMIMN20T 🔧 Explore Switch(CLLI: CLRKMIMNRSA))
517-529-4XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	CLARKLAKE	CLRKMIMNRSA	N/A	Prefix Type: RBOC Switch Name: CLARK LAKE Switch Type: N/A LATA: Lansing MI (346) Tandem: LNNGMIMN20T 🔧 Explore Switch(CLLI: CLRKMIMNRSA))
517-529-5XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	CLARKLAKE	CLRKMIMNRSA	N/A	Prefix Type: RBOC Switch Name: CLARK LAKE Switch Type: N/A LATA: Lansing MI (346) Tandem: LNNGMIMN20T 🔧 Explore Switch(CLLI: CLRKMIMNRSA))
517-529-8XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	CLARKLAKE	CLRKMIMNRSA	N/A	Prefix Type: RBOC Switch Name: CLARK LAKE Switch Type: N/A LATA: Lansing MI (346) Tandem: LNNGMIMN20T 🔧 Explore Switch(CLLI: CLRKMIMNRSA))
517-529-9XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	CLARKLAKE	CLRKMIMNRSA	N/A	Prefix Type: RBOC Switch Name: CLARK LAKE Switch Type: N/A LATA: Lansing MI (346) Tandem: LNNGMIMN20T 🔧 Explore Switch(CLLI: CLRKMIMNRSA))
517-536	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	NAPOLEON	NPLNMIMNRSA	00/00/0000	Prefix Type: RBOC Switch Name: NAPOLEON Switch Type: N/A LATA: Lansing MI (346) Tandem: LNNGMIMN20T 🔧 Explore Switch(CLLI: NPLNMIMNRSA))
517-536 is split into 1,000-number blocks - detail below
517-536-0XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	NAPOLEON	NPLNMIMNRSA	N/A	Prefix Type: RBOC Switch Name: NAPOLEON Switch Type: N/A LATA: Lansing MI (346) Tandem: LNNGMIMN20T 🔧 Explore Switch(CLLI: NPLNMIMNRSA))
517-536-4XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	NAPOLEON	NPLNMIMNRSA	N/A	Prefix Type: RBOC Switch Name: NAPOLEON Switch Type: N/A LATA: Lansing MI (346) Tandem: LNNGMIMN20T 🔧 Explore Switch(CLLI: NPLNMIMNRSA))
517-536-8XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	NAPOLEON	NPLNMIMNRSA	N/A	Prefix Type: RBOC Switch Name: NAPOLEON Switch Type: N/A LATA: Lansing MI (346) Tandem: LNNGMIMN20T 🔧 Explore Switch(CLLI: NPLNMIMNRSA))
517-540	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	HOWELL	HOWLMIMNDS0	00/00/0000	Prefix Type: RBOC Switch Name: HOWELL Switch Type: 5ESS LATA: Detroit MI (340) Tandem: ANARMIMN20T 🔧 Explore Switch(CLLI: HOWLMIMNDS0))
517-540 is split into 1,000-number blocks - detail below
517-540-0XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	HOWELL	HOWLMIMNDS0	N/A	Prefix Type: RBOC Switch Name: HOWELL Switch Type: 5ESS LATA: Detroit MI (340) Tandem: ANARMIMN20T 🔧 Explore Switch(CLLI: HOWLMIMNDS0))
517-540-1XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	HOWELL	HOWLMIMNDS0	N/A	Prefix Type: RBOC Switch Name: HOWELL Switch Type: 5ESS LATA: Detroit MI (340) Tandem: ANARMIMN20T 🔧 Explore Switch(CLLI: HOWLMIMNDS0))
517-540-2XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	HOWELL	HOWLMIMNDS0	N/A	Prefix Type: RBOC Switch Name: HOWELL Switch Type: 5ESS LATA: Detroit MI (340) Tandem: ANARMIMN20T 🔧 Explore Switch(CLLI: HOWLMIMNDS0))
517-540-3XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	HOWELL	HOWLMIMNDS0	N/A	Prefix Type: RBOC Switch Name: HOWELL Switch Type: 5ESS LATA: Detroit MI (340) Tandem: ANARMIMN20T 🔧 Explore Switch(CLLI: HOWLMIMNDS0))
517-540-4XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	HOWELL	HOWLMIMNDS0	N/A	Prefix Type: RBOC Switch Name: HOWELL Switch Type: 5ESS LATA: Detroit MI (340) Tandem: ANARMIMN20T 🔧 Explore Switch(CLLI: HOWLMIMNDS0))
517-540-6XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	HOWELL	HOWLMIMNDS0	N/A	Prefix Type: RBOC Switch Name: HOWELL Switch Type: 5ESS LATA: Detroit MI (340) Tandem: ANARMIMN20T 🔧 Explore Switch(CLLI: HOWLMIMNDS0))
517-540-7XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	HOWELL	HOWLMIMNDS0	N/A	Prefix Type: RBOC Switch Name: HOWELL Switch Type: 5ESS LATA: Detroit MI (340) Tandem: ANARMIMN20T 🔧 Explore Switch(CLLI: HOWLMIMNDS0))
517-540-8XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	HOWELL	HOWLMIMNDS0	N/A	Prefix Type: RBOC Switch Name: HOWELL Switch Type: 5ESS LATA: Detroit MI (340) Tandem: ANARMIMN20T 🔧 Explore Switch(CLLI: HOWLMIMNDS0))
517-540-9XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	HOWELL	HOWLMIMNDS0	N/A	Prefix Type: RBOC Switch Name: HOWELL Switch Type: 5ESS LATA: Detroit MI (340) Tandem: ANARMIMN20T 🔧 Explore Switch(CLLI: HOWLMIMNDS0))
517-541	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	CHARLOTTE	CHRLMIMNDS0	00/00/0000	Prefix Type: RBOC Switch Name: CHARLOTTE Switch Type: 5ESS LATA: Lansing MI (346) Tandem: LNNGMIMN20T 🔧 Explore Switch(CLLI: CHRLMIMNDS0))
517-541 is split into 1,000-number blocks - detail below
517-541-0XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	CHARLOTTE	CHRLMIMNDS0	N/A	Prefix Type: RBOC Switch Name: CHARLOTTE Switch Type: 5ESS LATA: Lansing MI (346) Tandem: LNNGMIMN20T 🔧 Explore Switch(CLLI: CHRLMIMNDS0))
517-541-1XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	CHARLOTTE	CHRLMIMNDS0	N/A	Prefix Type: RBOC Switch Name: CHARLOTTE Switch Type: 5ESS LATA: Lansing MI (346) Tandem: LNNGMIMN20T 🔧 Explore Switch(CLLI: CHRLMIMNDS0))
517-541-2XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	CHARLOTTE	CHRLMIMNDS0	N/A	Prefix Type: RBOC Switch Name: CHARLOTTE Switch Type: 5ESS LATA: Lansing MI (346) Tandem: LNNGMIMN20T 🔧 Explore Switch(CLLI: CHRLMIMNDS0))
517-541-3XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	CHARLOTTE	CHRLMIMNDS0	N/A	Prefix Type: RBOC Switch Name: CHARLOTTE Switch Type: 5ESS LATA: Lansing MI (346) Tandem: LNNGMIMN20T 🔧 Explore Switch(CLLI: CHRLMIMNDS0))
517-541-5XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	CHARLOTTE	CHRLMIMNDS0	N/A	Prefix Type: RBOC Switch Name: CHARLOTTE Switch Type: 5ESS LATA: Lansing MI (346) Tandem: LNNGMIMN20T 🔧 Explore Switch(CLLI: CHRLMIMNDS0))
517-541-8XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	CHARLOTTE	CHRLMIMNDS0	N/A	Prefix Type: RBOC Switch Name: CHARLOTTE Switch Type: 5ESS LATA: Lansing MI (346) Tandem: LNNGMIMN20T 🔧 Explore Switch(CLLI: CHRLMIMNDS0))
517-541-9XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	CHARLOTTE	CHRLMIMNDS0	N/A	Prefix Type: RBOC Switch Name: CHARLOTTE Switch Type: 5ESS LATA: Lansing MI (346) Tandem: LNNGMIMN20T 🔧 Explore Switch(CLLI: CHRLMIMNDS0))
517-543	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	CHARLOTTE	CHRLMIMNDS0	00/00/0000	Prefix Type: RBOC Switch Name: CHARLOTTE Switch Type: 5ESS LATA: Lansing MI (346) Tandem: LNNGMIMN20T 🔧 Explore Switch(CLLI: CHRLMIMNDS0))
517-545	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	HOWELL	HOWLMIMNDS0	00/00/0000	Prefix Type: RBOC Switch Name: HOWELL Switch Type: 5ESS LATA: Detroit MI (340) Tandem: ANARMIMN20T 🔧 Explore Switch(CLLI: HOWLMIMNDS0))
517-546	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	HOWELL	HOWLMIMNDS0	00/00/0000	Prefix Type: RBOC Switch Name: HOWELL Switch Type: 5ESS LATA: Detroit MI (340) Tandem: ANARMIMN20T 🔧 Explore Switch(CLLI: HOWLMIMNDS0))
517-548	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	HOWELL	HOWLMIMNDS0	00/00/0000	Prefix Type: RBOC Switch Name: HOWELL Switch Type: 5ESS LATA: Detroit MI (340) Tandem: ANARMIMN20T 🔧 Explore Switch(CLLI: HOWLMIMNDS0))
517-552	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	HOWELL	HOWLMIMNDS0	00/00/0000	Prefix Type: RBOC Switch Name: HOWELL Switch Type: 5ESS LATA: Detroit MI (340) Tandem: ANARMIMN20T 🔧 Explore Switch(CLLI: HOWLMIMNDS0))
517-575	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	LANSING	HSLTMIHSRSA	00/00/0000	Prefix Type: RBOC Switch Name: HASLETT Switch Type: N/A LATA: Lansing MI (346) Tandem: LNNGMIMN20T 🔧 Explore Switch(CLLI: HSLTMIHSRSA))
517-575 is split into 1,000-number blocks - detail below
517-575-0XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	LANSING	HSLTMIHSRSA	N/A	Prefix Type: RBOC Switch Name: HASLETT Switch Type: N/A LATA: Lansing MI (346) Tandem: LNNGMIMN20T 🔧 Explore Switch(CLLI: HSLTMIHSRSA))
517-589	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	LESLIE	LESLMIMNRSA	00/00/0000	Prefix Type: RBOC Switch Name: LESLIE Switch Type: N/A LATA: Lansing MI (346) Tandem: LNNGMIMN20T 🔧 Explore Switch(CLLI: LESLMIMNRSA))
517-589 is split into 1,000-number blocks - detail below
517-589-0XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	LESLIE	LESLMIMNRSA	N/A	Prefix Type: RBOC Switch Name: LESLIE Switch Type: N/A LATA: Lansing MI (346) Tandem: LNNGMIMN20T 🔧 Explore Switch(CLLI: LESLMIMNRSA))
517-589-2XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	LESLIE	LESLMIMNRSA	N/A	Prefix Type: RBOC Switch Name: LESLIE Switch Type: N/A LATA: Lansing MI (346) Tandem: LNNGMIMN20T 🔧 Explore Switch(CLLI: LESLMIMNRSA))
517-589-3XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	LESLIE	LESLMIMNRSA	N/A	Prefix Type: RBOC Switch Name: LESLIE Switch Type: N/A LATA: Lansing MI (346) Tandem: LNNGMIMN20T 🔧 Explore Switch(CLLI: LESLMIMNRSA))
517-589-5XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	LESLIE	LESLMIMNRSA	N/A	Prefix Type: RBOC Switch Name: LESLIE Switch Type: N/A LATA: Lansing MI (346) Tandem: LNNGMIMN20T 🔧 Explore Switch(CLLI: LESLMIMNRSA))
517-589-8XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	LESLIE	LESLMIMNRSA	N/A	Prefix Type: RBOC Switch Name: LESLIE Switch Type: N/A LATA: Lansing MI (346) Tandem: LNNGMIMN20T 🔧 Explore Switch(CLLI: LESLMIMNRSA))
517-589-9XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	LESLIE	LESLMIMNRSA	N/A	Prefix Type: RBOC Switch Name: LESLIE Switch Type: N/A LATA: Lansing MI (346) Tandem: LNNGMIMN20T 🔧 Explore Switch(CLLI: LESLMIMNRSA))
517-607	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	HILLSDALE	HLDLMIMNRSA	00/00/0000	Prefix Type: RBOC Switch Name: HILLSDALE RSA Switch Type: N/A LATA: Lansing MI (346) Tandem: LNNGMIMN20T 🔧 Explore Switch(CLLI: HLDLMIMNRSA))
517-607 is split into 1,000-number blocks - detail below
517-607-2XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	HILLSDALE	HLDLMIMNRSA	N/A	Prefix Type: RBOC Switch Name: HILLSDALE RSA Switch Type: N/A LATA: Lansing MI (346) Tandem: LNNGMIMN20T 🔧 Explore Switch(CLLI: HLDLMIMNRSA))
517-607-3XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	HILLSDALE	HLDLMIMNRSA	N/A	Prefix Type: RBOC Switch Name: HILLSDALE RSA Switch Type: N/A LATA: Lansing MI (346) Tandem: LNNGMIMN20T 🔧 Explore Switch(CLLI: HLDLMIMNRSA))
517-607-4XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	HILLSDALE	HLDLMIMNRSA	N/A	Prefix Type: RBOC Switch Name: HILLSDALE RSA Switch Type: N/A LATA: Lansing MI (346) Tandem: LNNGMIMN20T 🔧 Explore Switch(CLLI: HLDLMIMNRSA))
517-623	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	DANSVILLE	DNSVMIMNRSA	00/00/0000	Prefix Type: RBOC Switch Name: DANSVILLE Switch Type: N/A LATA: Lansing MI (346) Tandem: LNNGMIMN20T 🔧 Explore Switch(CLLI: DNSVMIMNRSA))
517-623 is split into 1,000-number blocks - detail below
517-623-0XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	DANSVILLE	DNSVMIMNRSA	N/A	Prefix Type: RBOC Switch Name: DANSVILLE Switch Type: N/A LATA: Lansing MI (346) Tandem: LNNGMIMN20T 🔧 Explore Switch(CLLI: DNSVMIMNRSA))
517-623-6XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	DANSVILLE	DNSVMIMNRSA	N/A	Prefix Type: RBOC Switch Name: DANSVILLE Switch Type: N/A LATA: Lansing MI (346) Tandem: LNNGMIMN20T 🔧 Explore Switch(CLLI: DNSVMIMNRSA))
517-629	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	ALBION	ALBNMIMNRSA	00/00/0000	Prefix Type: RBOC Switch Name: ALBION Switch Type: N/A LATA: Lansing MI (346) Tandem: LNNGMIMN20T 🔧 Explore Switch(CLLI: ALBNMIMNRSA))
517-630	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	ALBION	ALBNMIMNRSA	00/00/0000	Prefix Type: RBOC Switch Name: ALBION Switch Type: N/A LATA: Lansing MI (346) Tandem: LNNGMIMN20T 🔧 Explore Switch(CLLI: ALBNMIMNRSA))
517-630 is split into 1,000-number blocks - detail below
517-630-0XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	ALBION	ALBNMIMNRSA	N/A	Prefix Type: RBOC Switch Name: ALBION Switch Type: N/A LATA: Lansing MI (346) Tandem: LNNGMIMN20T 🔧 Explore Switch(CLLI: ALBNMIMNRSA))
517-630-2XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	ALBION	ALBNMIMNRSA	N/A	Prefix Type: RBOC Switch Name: ALBION Switch Type: N/A LATA: Lansing MI (346) Tandem: LNNGMIMN20T 🔧 Explore Switch(CLLI: ALBNMIMNRSA))
517-630-8XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	ALBION	ALBNMIMNRSA	N/A	Prefix Type: RBOC Switch Name: ALBION Switch Type: N/A LATA: Lansing MI (346) Tandem: LNNGMIMN20T 🔧 Explore Switch(CLLI: ALBNMIMNRSA))
517-636	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	LANSING	DMDLMIDDRS0	11/28/2001	Prefix Type: RBOC Switch Name: DIMONDALE RS0 Switch Type: N/A LATA: Lansing MI (346) Tandem: LNNGMIMN20T 🔧 Explore Switch(CLLI: DMDLMIDDRS0))
517-645	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	POTTERVL	POVLMIMNRSA	00/00/0000	Prefix Type: RBOC Switch Name: POTTERVILLE Switch Type: N/A LATA: Lansing MI (346) Tandem: LNNGMIMN20T 🔧 Explore Switch(CLLI: POVLMIMNRSA))
517-645 is split into 1,000-number blocks - detail below
517-645-0XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	POTTERVL	POVLMIMNRSA	N/A	Prefix Type: RBOC Switch Name: POTTERVILLE Switch Type: N/A LATA: Lansing MI (346) Tandem: LNNGMIMN20T 🔧 Explore Switch(CLLI: POVLMIMNRSA))
517-645-1XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	POTTERVL	POVLMIMNRSA	N/A	Prefix Type: RBOC Switch Name: POTTERVILLE Switch Type: N/A LATA: Lansing MI (346) Tandem: LNNGMIMN20T 🔧 Explore Switch(CLLI: POVLMIMNRSA))
517-645-2XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	POTTERVL	POVLMIMNRSA	N/A	Prefix Type: RBOC Switch Name: POTTERVILLE Switch Type: N/A LATA: Lansing MI (346) Tandem: LNNGMIMN20T 🔧 Explore Switch(CLLI: POVLMIMNRSA))
517-645-4XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	POTTERVL	POVLMIMNRSA	N/A	Prefix Type: RBOC Switch Name: POTTERVILLE Switch Type: N/A LATA: Lansing MI (346) Tandem: LNNGMIMN20T 🔧 Explore Switch(CLLI: POVLMIMNRSA))
517-645-7XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	POTTERVL	POVLMIMNRSA	N/A	Prefix Type: RBOC Switch Name: POTTERVILLE Switch Type: N/A LATA: Lansing MI (346) Tandem: LNNGMIMN20T 🔧 Explore Switch(CLLI: POVLMIMNRSA))
517-645-9XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	POTTERVL	POVLMIMNRSA	N/A	Prefix Type: RBOC Switch Name: POTTERVILLE Switch Type: N/A LATA: Lansing MI (346) Tandem: LNNGMIMN20T 🔧 Explore Switch(CLLI: POVLMIMNRSA))
517-646	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	DIMONDALE	DMDLMIDDRS0	00/00/0000	Prefix Type: RBOC Switch Name: DIMONDALE RS0 Switch Type: N/A LATA: Lansing MI (346) Tandem: LNNGMIMN20T 🔧 Explore Switch(CLLI: DMDLMIDDRS0))
517-646 is split into 1,000-number blocks - detail below
517-646-0XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	DIMONDALE	DMDLMIDDRS0	N/A	Prefix Type: RBOC Switch Name: DIMONDALE RS0 Switch Type: N/A LATA: Lansing MI (346) Tandem: LNNGMIMN20T 🔧 Explore Switch(CLLI: DMDLMIDDRS0))
517-646-2XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	DIMONDALE	DMDLMIDDRS0	N/A	Prefix Type: RBOC Switch Name: DIMONDALE RS0 Switch Type: N/A LATA: Lansing MI (346) Tandem: LNNGMIMN20T 🔧 Explore Switch(CLLI: DMDLMIDDRS0))
517-646-3XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	DIMONDALE	DMDLMIDDRS0	N/A	Prefix Type: RBOC Switch Name: DIMONDALE RS0 Switch Type: N/A LATA: Lansing MI (346) Tandem: LNNGMIMN20T 🔧 Explore Switch(CLLI: DMDLMIDDRS0))
517-646-5XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	DIMONDALE	DMDLMIDDRS0	N/A	Prefix Type: RBOC Switch Name: DIMONDALE RS0 Switch Type: N/A LATA: Lansing MI (346) Tandem: LNNGMIMN20T 🔧 Explore Switch(CLLI: DMDLMIDDRS0))
517-646-6XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	DIMONDALE	DMDLMIDDRS0	N/A	Prefix Type: RBOC Switch Name: DIMONDALE RS0 Switch Type: N/A LATA: Lansing MI (346) Tandem: LNNGMIMN20T 🔧 Explore Switch(CLLI: DMDLMIDDRS0))
517-646-7XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	DIMONDALE	DMDLMIDDRS0	N/A	Prefix Type: RBOC Switch Name: DIMONDALE RS0 Switch Type: N/A LATA: Lansing MI (346) Tandem: LNNGMIMN20T 🔧 Explore Switch(CLLI: DMDLMIDDRS0))
517-646-8XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	DIMONDALE	DMDLMIDDRS0	N/A	Prefix Type: RBOC Switch Name: DIMONDALE RS0 Switch Type: N/A LATA: Lansing MI (346) Tandem: LNNGMIMN20T 🔧 Explore Switch(CLLI: DMDLMIDDRS0))
517-646-9XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	DIMONDALE	DMDLMIDDRS0	N/A	Prefix Type: RBOC Switch Name: DIMONDALE RS0 Switch Type: N/A LATA: Lansing MI (346) Tandem: LNNGMIMN20T 🔧 Explore Switch(CLLI: DMDLMIDDRS0))
517-647	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	PORTLAND	PTLDMIPTRSA	00/00/0000	Prefix Type: RBOC Switch Name: PORTLAND Switch Type: N/A LATA: Lansing MI (346) Tandem: LNNGMIMN20T 🔧 Explore Switch(CLLI: PTLDMIPTRSA))
517-647 is split into 1,000-number blocks - detail below
517-647-0XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	PORTLAND	PTLDMIPTRSA	N/A	Prefix Type: RBOC Switch Name: PORTLAND Switch Type: N/A LATA: Lansing MI (346) Tandem: LNNGMIMN20T 🔧 Explore Switch(CLLI: PTLDMIPTRSA))
517-647-1XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	PORTLAND	PTLDMIPTRSA	N/A	Prefix Type: RBOC Switch Name: PORTLAND Switch Type: N/A LATA: Lansing MI (346) Tandem: LNNGMIMN20T 🔧 Explore Switch(CLLI: PTLDMIPTRSA))
517-647-2XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	PORTLAND	PTLDMIPTRSA	N/A	Prefix Type: RBOC Switch Name: PORTLAND Switch Type: N/A LATA: Lansing MI (346) Tandem: LNNGMIMN20T 🔧 Explore Switch(CLLI: PTLDMIPTRSA))
517-647-4XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	PORTLAND	PTLDMIPTRSA	N/A	Prefix Type: RBOC Switch Name: PORTLAND Switch Type: N/A LATA: Lansing MI (346) Tandem: LNNGMIMN20T 🔧 Explore Switch(CLLI: PTLDMIPTRSA))
517-647-5XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	PORTLAND	PTLDMIPTRSA	N/A	Prefix Type: RBOC Switch Name: PORTLAND Switch Type: N/A LATA: Lansing MI (346) Tandem: LNNGMIMN20T 🔧 Explore Switch(CLLI: PTLDMIPTRSA))
517-647-6XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	PORTLAND	PTLDMIPTRSA	N/A	Prefix Type: RBOC Switch Name: PORTLAND Switch Type: N/A LATA: Lansing MI (346) Tandem: LNNGMIMN20T 🔧 Explore Switch(CLLI: PTLDMIPTRSA))
517-647-7XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	PORTLAND	PTLDMIPTRSA	N/A	Prefix Type: RBOC Switch Name: PORTLAND Switch Type: N/A LATA: Lansing MI (346) Tandem: LNNGMIMN20T 🔧 Explore Switch(CLLI: PTLDMIPTRSA))
517-649	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	MULLIKEN	MLKNMIMNRSA	00/00/0000	Prefix Type: RBOC Switch Name: MULLIKEN Switch Type: N/A LATA: Lansing MI (346) Tandem: LNNGMIMN20T 🔧 Explore Switch(CLLI: MLKNMIMNRSA))
517-649 is split into 1,000-number blocks - detail below
517-649-2XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	MULLIKEN	MLKNMIMNRSA	N/A	Prefix Type: RBOC Switch Name: MULLIKEN Switch Type: N/A LATA: Lansing MI (346) Tandem: LNNGMIMN20T 🔧 Explore Switch(CLLI: MLKNMIMNRSA))
517-649-8XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	MULLIKEN	MLKNMIMNRSA	N/A	Prefix Type: RBOC Switch Name: MULLIKEN Switch Type: N/A LATA: Lansing MI (346) Tandem: LNNGMIMN20T 🔧 Explore Switch(CLLI: MLKNMIMNRSA))
517-663	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	EATON RPD	ETRPMIERRSA	00/00/0000	Prefix Type: RBOC Switch Name: EATON RAPIDS Switch Type: N/A LATA: Lansing MI (346) Tandem: LNNGMIMN20T 🔧 Explore Switch(CLLI: ETRPMIERRSA))
517-664	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	LANSING	ELNSMIMNDS0	00/00/0000	Prefix Type: RBOC Switch Name: EAST LANSING Switch Type: DMS100 LATA: Lansing MI (346) Tandem: LNNGMIMN20T 🔧 Explore Switch(CLLI: ELNSMIMNDS0))
517-664 is split into 1,000-number blocks - detail below
517-664-1XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	LANSING	ELNSMIMNDS0	N/A	Prefix Type: RBOC Switch Name: EAST LANSING Switch Type: DMS100 LATA: Lansing MI (346) Tandem: LNNGMIMN20T 🔧 Explore Switch(CLLI: ELNSMIMNDS0))
517-664-2XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	LANSING	ELNSMIMNDS0	N/A	Prefix Type: RBOC Switch Name: EAST LANSING Switch Type: DMS100 LATA: Lansing MI (346) Tandem: LNNGMIMN20T 🔧 Explore Switch(CLLI: ELNSMIMNDS0))
517-664-4XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	LANSING	ELNSMIMNDS0	N/A	Prefix Type: RBOC Switch Name: EAST LANSING Switch Type: DMS100 LATA: Lansing MI (346) Tandem: LNNGMIMN20T 🔧 Explore Switch(CLLI: ELNSMIMNDS0))
517-664-5XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	LANSING	ELNSMIMNDS0	N/A	Prefix Type: RBOC Switch Name: EAST LANSING Switch Type: DMS100 LATA: Lansing MI (346) Tandem: LNNGMIMN20T 🔧 Explore Switch(CLLI: ELNSMIMNDS0))
517-664-6XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	LANSING	ELNSMIMNDS0	N/A	Prefix Type: RBOC Switch Name: EAST LANSING Switch Type: DMS100 LATA: Lansing MI (346) Tandem: LNNGMIMN20T 🔧 Explore Switch(CLLI: ELNSMIMNDS0))
517-664-7XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	LANSING	ELNSMIMNDS0	N/A	Prefix Type: RBOC Switch Name: EAST LANSING Switch Type: DMS100 LATA: Lansing MI (346) Tandem: LNNGMIMN20T 🔧 Explore Switch(CLLI: ELNSMIMNDS0))
517-664-8XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	LANSING	ELNSMIMNDS0	N/A	Prefix Type: RBOC Switch Name: EAST LANSING Switch Type: DMS100 LATA: Lansing MI (346) Tandem: LNNGMIMN20T 🔧 Explore Switch(CLLI: ELNSMIMNDS0))
517-676	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	MASON	MASNMIMSRSA	00/00/0000	Prefix Type: RBOC Switch Name: MASON Switch Type: N/A LATA: Lansing MI (346) Tandem: LNNGMIMN20T 🔧 Explore Switch(CLLI: MASNMIMSRSA))
517-694	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	HOLT	HOLTMIHEDS0	00/00/0000	Prefix Type: RBOC Switch Name: HOLT Switch Type: 5ESS LATA: Lansing MI (346) Tandem: LNNGMIMN20T 🔧 Explore Switch(CLLI: HOLTMIHEDS0))
517-699	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	HOLT	HOLTMIHEDS0	00/00/0000	Prefix Type: RBOC Switch Name: HOLT Switch Type: 5ESS LATA: Lansing MI (346) Tandem: LNNGMIMN20T 🔧 Explore Switch(CLLI: HOLTMIHEDS0))
517-699 is split into 1,000-number blocks - detail below
517-699-0XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	HOLT	HOLTMIHEDS0	N/A	Prefix Type: RBOC Switch Name: HOLT Switch Type: 5ESS LATA: Lansing MI (346) Tandem: LNNGMIMN20T 🔧 Explore Switch(CLLI: HOLTMIHEDS0))
517-699-1XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	HOLT	HOLTMIHEDS0	N/A	Prefix Type: RBOC Switch Name: HOLT Switch Type: 5ESS LATA: Lansing MI (346) Tandem: LNNGMIMN20T 🔧 Explore Switch(CLLI: HOLTMIHEDS0))
517-699-2XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	HOLT	HOLTMIHEDS0	N/A	Prefix Type: RBOC Switch Name: HOLT Switch Type: 5ESS LATA: Lansing MI (346) Tandem: LNNGMIMN20T 🔧 Explore Switch(CLLI: HOLTMIHEDS0))
517-699-3XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	HOLT	HOLTMIHEDS0	N/A	Prefix Type: RBOC Switch Name: HOLT Switch Type: 5ESS LATA: Lansing MI (346) Tandem: LNNGMIMN20T 🔧 Explore Switch(CLLI: HOLTMIHEDS0))
517-699-4XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	HOLT	HOLTMIHEDS0	N/A	Prefix Type: RBOC Switch Name: HOLT Switch Type: 5ESS LATA: Lansing MI (346) Tandem: LNNGMIMN20T 🔧 Explore Switch(CLLI: HOLTMIHEDS0))
517-699-5XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	HOLT	HOLTMIHEDS0	N/A	Prefix Type: RBOC Switch Name: HOLT Switch Type: 5ESS LATA: Lansing MI (346) Tandem: LNNGMIMN20T 🔧 Explore Switch(CLLI: HOLTMIHEDS0))
517-699-6XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	HOLT	HOLTMIHEDS0	N/A	Prefix Type: RBOC Switch Name: HOLT Switch Type: 5ESS LATA: Lansing MI (346) Tandem: LNNGMIMN20T 🔧 Explore Switch(CLLI: HOLTMIHEDS0))
517-699-7XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	HOLT	HOLTMIHEDS0	N/A	Prefix Type: RBOC Switch Name: HOLT Switch Type: 5ESS LATA: Lansing MI (346) Tandem: LNNGMIMN20T 🔧 Explore Switch(CLLI: HOLTMIHEDS0))
517-699-8XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	HOLT	HOLTMIHEDS0	N/A	Prefix Type: RBOC Switch Name: HOLT Switch Type: 5ESS LATA: Lansing MI (346) Tandem: LNNGMIMN20T 🔧 Explore Switch(CLLI: HOLTMIHEDS0))
517-702	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	LANSING	LNNGMIMNDS1	00/00/0000	Prefix Type: RBOC Switch Name: LANSING DS1 Switch Type: DMS100 LATA: Lansing MI (346) Tandem: LNNGMIMN20T 🔧 Explore Switch(CLLI: LNNGMIMNDS1))
517-702 is split into 1,000-number blocks - detail below
517-702-0XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	LANSING	LNNGMIMNDS1	N/A	Prefix Type: RBOC Switch Name: LANSING DS1 Switch Type: DMS100 LATA: Lansing MI (346) Tandem: LNNGMIMN20T 🔧 Explore Switch(CLLI: LNNGMIMNDS1))
517-702-1XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	LANSING	LNNGMIMNDS1	N/A	Prefix Type: RBOC Switch Name: LANSING DS1 Switch Type: DMS100 LATA: Lansing MI (346) Tandem: LNNGMIMN20T 🔧 Explore Switch(CLLI: LNNGMIMNDS1))
517-702-2XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	LANSING	LNNGMIMNDS1	N/A	Prefix Type: RBOC Switch Name: LANSING DS1 Switch Type: DMS100 LATA: Lansing MI (346) Tandem: LNNGMIMN20T 🔧 Explore Switch(CLLI: LNNGMIMNDS1))
517-702-3XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	LANSING	LNNGMIMNDS1	N/A	Prefix Type: RBOC Switch Name: LANSING DS1 Switch Type: DMS100 LATA: Lansing MI (346) Tandem: LNNGMIMN20T 🔧 Explore Switch(CLLI: LNNGMIMNDS1))
517-702-4XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	LANSING	LNNGMIMNDS1	N/A	Prefix Type: RBOC Switch Name: LANSING DS1 Switch Type: DMS100 LATA: Lansing MI (346) Tandem: LNNGMIMN20T 🔧 Explore Switch(CLLI: LNNGMIMNDS1))
517-702-5XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	LANSING	LNNGMIMNDS1	N/A	Prefix Type: RBOC Switch Name: LANSING DS1 Switch Type: DMS100 LATA: Lansing MI (346) Tandem: LNNGMIMN20T 🔧 Explore Switch(CLLI: LNNGMIMNDS1))
517-702-6XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	LANSING	LNNGMIMNDS1	N/A	Prefix Type: RBOC Switch Name: LANSING DS1 Switch Type: DMS100 LATA: Lansing MI (346) Tandem: LNNGMIMN20T 🔧 Explore Switch(CLLI: LNNGMIMNDS1))
517-702-7XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	LANSING	LNNGMIMNDS1	N/A	Prefix Type: RBOC Switch Name: LANSING DS1 Switch Type: DMS100 LATA: Lansing MI (346) Tandem: LNNGMIMN20T 🔧 Explore Switch(CLLI: LNNGMIMNDS1))
517-702-9XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	LANSING	LNNGMIMNDS1	N/A	Prefix Type: RBOC Switch Name: LANSING DS1 Switch Type: DMS100 LATA: Lansing MI (346) Tandem: LNNGMIMN20T 🔧 Explore Switch(CLLI: LNNGMIMNDS1))
517-703	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	LANSING	LNNGMINWDS0	00/00/0000	Prefix Type: RBOC Switch Name: LANSING NW Switch Type: DMS100 LATA: Lansing MI (346) Tandem: LNNGMIMN20T 🔧 Explore Switch(CLLI: LNNGMINWDS0))
517-703 is split into 1,000-number blocks - detail below
517-703-0XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	LANSING	LNNGMINWDS0	N/A	Prefix Type: RBOC Switch Name: LANSING NW Switch Type: DMS100 LATA: Lansing MI (346) Tandem: LNNGMIMN20T 🔧 Explore Switch(CLLI: LNNGMINWDS0))
517-703-1XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	LANSING	LNNGMINWDS0	N/A	Prefix Type: RBOC Switch Name: LANSING NW Switch Type: DMS100 LATA: Lansing MI (346) Tandem: LNNGMIMN20T 🔧 Explore Switch(CLLI: LNNGMINWDS0))
517-703-2XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	LANSING	LNNGMINWDS0	N/A	Prefix Type: RBOC Switch Name: LANSING NW Switch Type: DMS100 LATA: Lansing MI (346) Tandem: LNNGMIMN20T 🔧 Explore Switch(CLLI: LNNGMINWDS0))
517-703-5XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	LANSING	LNNGMINWDS0	N/A	Prefix Type: RBOC Switch Name: LANSING NW Switch Type: DMS100 LATA: Lansing MI (346) Tandem: LNNGMIMN20T 🔧 Explore Switch(CLLI: LNNGMINWDS0))
517-703-8XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	LANSING	LNNGMINWDS0	N/A	Prefix Type: RBOC Switch Name: LANSING NW Switch Type: DMS100 LATA: Lansing MI (346) Tandem: LNNGMIMN20T 🔧 Explore Switch(CLLI: LNNGMINWDS0))
517-703-9XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	LANSING	LNNGMINWDS0	N/A	Prefix Type: RBOC Switch Name: LANSING NW Switch Type: DMS100 LATA: Lansing MI (346) Tandem: LNNGMIMN20T 🔧 Explore Switch(CLLI: LNNGMINWDS0))
517-706	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	LANSING	OKMSMIMNDS0	00/00/0000	Prefix Type: RBOC Switch Name: OKEMOS Switch Type: 5ESS LATA: Lansing MI (346) Tandem: LNNGMIMN20T 🔧 Explore Switch(CLLI: OKMSMIMNDS0))
517-706 is split into 1,000-number blocks - detail below
517-706-0XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	LANSING	OKMSMIMNDS0	N/A	Prefix Type: RBOC Switch Name: OKEMOS Switch Type: 5ESS LATA: Lansing MI (346) Tandem: LNNGMIMN20T 🔧 Explore Switch(CLLI: OKMSMIMNDS0))
517-706-2XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	LANSING	OKMSMIMNDS0	N/A	Prefix Type: RBOC Switch Name: OKEMOS Switch Type: 5ESS LATA: Lansing MI (346) Tandem: LNNGMIMN20T 🔧 Explore Switch(CLLI: OKMSMIMNDS0))
517-706-3XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	LANSING	OKMSMIMNDS0	N/A	Prefix Type: RBOC Switch Name: OKEMOS Switch Type: 5ESS LATA: Lansing MI (346) Tandem: LNNGMIMN20T 🔧 Explore Switch(CLLI: OKMSMIMNDS0))
517-706-4XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	LANSING	OKMSMIMNDS0	N/A	Prefix Type: RBOC Switch Name: OKEMOS Switch Type: 5ESS LATA: Lansing MI (346) Tandem: LNNGMIMN20T 🔧 Explore Switch(CLLI: OKMSMIMNDS0))
517-706-5XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	LANSING	OKMSMIMNDS0	N/A	Prefix Type: RBOC Switch Name: OKEMOS Switch Type: 5ESS LATA: Lansing MI (346) Tandem: LNNGMIMN20T 🔧 Explore Switch(CLLI: OKMSMIMNDS0))
517-708 is split into 1,000-number blocks - detail below
517-708-5XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	LANSING	LNNGMIMNDS1	03/17/2010	Prefix Type: RBOC Switch Name: LANSING DS1 Switch Type: DMS100 LATA: Lansing MI (346) Tandem: LNNGMIMN20T 🔧 Explore Switch(CLLI: LNNGMIMNDS1))
517-708-6XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	LANSING	LNNGMIMNDS1	03/17/2010	Prefix Type: RBOC Switch Name: LANSING DS1 Switch Type: DMS100 LATA: Lansing MI (346) Tandem: LNNGMIMN20T 🔧 Explore Switch(CLLI: LNNGMIMNDS1))
517-721	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	LANSING	DMDLMIDDRS0	03/19/2002	Prefix Type: RBOC Switch Name: DIMONDALE RS0 Switch Type: N/A LATA: Lansing MI (346) Tandem: LNNGMIMN20T 🔧 Explore Switch(CLLI: DMDLMIDDRS0))
517-721 is split into 1,000-number blocks - detail below
517-721-2XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	LANSING	DMDLMIDDRS0	N/A	Prefix Type: RBOC Switch Name: DIMONDALE RS0 Switch Type: N/A LATA: Lansing MI (346) Tandem: LNNGMIMN20T 🔧 Explore Switch(CLLI: DMDLMIDDRS0))
517-721-3XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	LANSING	DMDLMIDDRS0	N/A	Prefix Type: RBOC Switch Name: DIMONDALE RS0 Switch Type: N/A LATA: Lansing MI (346) Tandem: LNNGMIMN20T 🔧 Explore Switch(CLLI: DMDLMIDDRS0))
517-721-4XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	LANSING	DMDLMIDDRS0	N/A	Prefix Type: RBOC Switch Name: DIMONDALE RS0 Switch Type: N/A LATA: Lansing MI (346) Tandem: LNNGMIMN20T 🔧 Explore Switch(CLLI: DMDLMIDDRS0))
517-721-8XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	LANSING	DMDLMIDDRS0	N/A	Prefix Type: RBOC Switch Name: DIMONDALE RS0 Switch Type: N/A LATA: Lansing MI (346) Tandem: LNNGMIMN20T 🔧 Explore Switch(CLLI: DMDLMIDDRS0))
517-726	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	VERMONTVL	NVVLMIMNRSA	00/00/0000	Prefix Type: RBOC Switch Name: NASHVILLE Switch Type: N/A LATA: Lansing MI (346) Tandem: LNNGMIMN20T 🔧 Explore Switch(CLLI: NVVLMIMNRSA))
517-726 is split into 1,000-number blocks - detail below
517-726-0XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	VERMONTVL	NVVLMIMNRSA	N/A	Prefix Type: RBOC Switch Name: NASHVILLE Switch Type: N/A LATA: Lansing MI (346) Tandem: LNNGMIMN20T 🔧 Explore Switch(CLLI: NVVLMIMNRSA))
517-726-1XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	VERMONTVL	NVVLMIMNRSA	N/A	Prefix Type: RBOC Switch Name: NASHVILLE Switch Type: N/A LATA: Lansing MI (346) Tandem: LNNGMIMN20T 🔧 Explore Switch(CLLI: NVVLMIMNRSA))
517-748 is split into 1,000-number blocks - detail below
517-748-9XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	JACKSON	MCHCMIMNRSA	N/A	Prefix Type: RBOC Switch Name: MICHIGAN CENTER Switch Type: N/A LATA: Lansing MI (346) Tandem: LNNGMIMN20T 🔧 Explore Switch(CLLI: MCHCMIMNRSA))
517-750	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	JACKSON	JCSNMISARSA	00/00/0000	Prefix Type: RBOC Switch Name: JACKSON SA Switch Type: N/A LATA: Lansing MI (346) Tandem: LNNGMIMN20T 🔧 Explore Switch(CLLI: JCSNMISARSA))
517-750 is split into 1,000-number blocks - detail below
517-750-0XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	JACKSON	JCSNMISARSA	N/A	Prefix Type: RBOC Switch Name: JACKSON SA Switch Type: N/A LATA: Lansing MI (346) Tandem: LNNGMIMN20T 🔧 Explore Switch(CLLI: JCSNMISARSA))
517-750-1XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	JACKSON	JCSNMISARSA	N/A	Prefix Type: RBOC Switch Name: JACKSON SA Switch Type: N/A LATA: Lansing MI (346) Tandem: LNNGMIMN20T 🔧 Explore Switch(CLLI: JCSNMISARSA))
517-750-2XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	JACKSON	JCSNMISARSA	N/A	Prefix Type: RBOC Switch Name: JACKSON SA Switch Type: N/A LATA: Lansing MI (346) Tandem: LNNGMIMN20T 🔧 Explore Switch(CLLI: JCSNMISARSA))
517-750-3XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	JACKSON	JCSNMISARSA	N/A	Prefix Type: RBOC Switch Name: JACKSON SA Switch Type: N/A LATA: Lansing MI (346) Tandem: LNNGMIMN20T 🔧 Explore Switch(CLLI: JCSNMISARSA))
517-750-4XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	JACKSON	JCSNMISARSA	N/A	Prefix Type: RBOC Switch Name: JACKSON SA Switch Type: N/A LATA: Lansing MI (346) Tandem: LNNGMIMN20T 🔧 Explore Switch(CLLI: JCSNMISARSA))
517-750-5XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	JACKSON	JCSNMISARSA	N/A	Prefix Type: RBOC Switch Name: JACKSON SA Switch Type: N/A LATA: Lansing MI (346) Tandem: LNNGMIMN20T 🔧 Explore Switch(CLLI: JCSNMISARSA))
517-750-6XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	JACKSON	JCSNMISARSA	N/A	Prefix Type: RBOC Switch Name: JACKSON SA Switch Type: N/A LATA: Lansing MI (346) Tandem: LNNGMIMN20T 🔧 Explore Switch(CLLI: JCSNMISARSA))
517-750-9XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	JACKSON	JCSNMISARSA	N/A	Prefix Type: RBOC Switch Name: JACKSON SA Switch Type: N/A LATA: Lansing MI (346) Tandem: LNNGMIMN20T 🔧 Explore Switch(CLLI: JCSNMISARSA))
517-763	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	LANSING	LNNGMIMNDS0	00/00/0000	Prefix Type: RBOC Switch Name: LANSING DS0 Switch Type: DMS1/2 LATA: Lansing MI (346) Tandem: LNNGMIMN20T 🔧 Explore Switch(CLLI: LNNGMIMNDS0))
517-763 is split into 1,000-number blocks - detail below
517-763-0XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	LANSING	LNNGMIMNDS0	N/A	Prefix Type: RBOC Switch Name: LANSING DS0 Switch Type: DMS1/2 LATA: Lansing MI (346) Tandem: LNNGMIMN20T 🔧 Explore Switch(CLLI: LNNGMIMNDS0))
517-764	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	JACKSON	MCHCMIMNRSA	00/00/0000	Prefix Type: RBOC Switch Name: MICHIGAN CENTER Switch Type: N/A LATA: Lansing MI (346) Tandem: LNNGMIMN20T 🔧 Explore Switch(CLLI: MCHCMIMNRSA))
517-764 is split into 1,000-number blocks - detail below
517-764-0XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	JACKSON	MCHCMIMNRSA	N/A	Prefix Type: RBOC Switch Name: MICHIGAN CENTER Switch Type: N/A LATA: Lansing MI (346) Tandem: LNNGMIMN20T 🔧 Explore Switch(CLLI: MCHCMIMNRSA))
517-764-1XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	JACKSON	MCHCMIMNRSA	N/A	Prefix Type: RBOC Switch Name: MICHIGAN CENTER Switch Type: N/A LATA: Lansing MI (346) Tandem: LNNGMIMN20T 🔧 Explore Switch(CLLI: MCHCMIMNRSA))
517-764-2XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	JACKSON	MCHCMIMNRSA	N/A	Prefix Type: RBOC Switch Name: MICHIGAN CENTER Switch Type: N/A LATA: Lansing MI (346) Tandem: LNNGMIMN20T 🔧 Explore Switch(CLLI: MCHCMIMNRSA))
517-764-3XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	JACKSON	MCHCMIMNRSA	N/A	Prefix Type: RBOC Switch Name: MICHIGAN CENTER Switch Type: N/A LATA: Lansing MI (346) Tandem: LNNGMIMN20T 🔧 Explore Switch(CLLI: MCHCMIMNRSA))
517-764-4XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	JACKSON	MCHCMIMNRSA	N/A	Prefix Type: RBOC Switch Name: MICHIGAN CENTER Switch Type: N/A LATA: Lansing MI (346) Tandem: LNNGMIMN20T 🔧 Explore Switch(CLLI: MCHCMIMNRSA))
517-764-5XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	JACKSON	MCHCMIMNRSA	N/A	Prefix Type: RBOC Switch Name: MICHIGAN CENTER Switch Type: N/A LATA: Lansing MI (346) Tandem: LNNGMIMN20T 🔧 Explore Switch(CLLI: MCHCMIMNRSA))
517-764-6XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	JACKSON	MCHCMIMNRSA	N/A	Prefix Type: RBOC Switch Name: MICHIGAN CENTER Switch Type: N/A LATA: Lansing MI (346) Tandem: LNNGMIMN20T 🔧 Explore Switch(CLLI: MCHCMIMNRSA))
517-764-7XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	JACKSON	MCHCMIMNRSA	N/A	Prefix Type: RBOC Switch Name: MICHIGAN CENTER Switch Type: N/A LATA: Lansing MI (346) Tandem: LNNGMIMN20T 🔧 Explore Switch(CLLI: MCHCMIMNRSA))
517-764-9XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	JACKSON	MCHCMIMNRSA	N/A	Prefix Type: RBOC Switch Name: MICHIGAN CENTER Switch Type: N/A LATA: Lansing MI (346) Tandem: LNNGMIMN20T 🔧 Explore Switch(CLLI: MCHCMIMNRSA))
517-768	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	JACKSON	JCSNMIMNDS0	00/00/0000	Prefix Type: RBOC Switch Name: JACKSON DS0 Switch Type: DMS100 LATA: Lansing MI (346) Tandem: LNNGMIMN20T 🔧 Explore Switch(CLLI: JCSNMIMNDS0))
517-769	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	JACKSON	JCSNMINERSA	00/00/0000	Prefix Type: RBOC Switch Name: JACKSON NE Switch Type: N/A LATA: Lansing MI (346) Tandem: LNNGMIMN20T 🔧 Explore Switch(CLLI: JCSNMINERSA))
517-769 is split into 1,000-number blocks - detail below
517-769-2XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	JACKSON	JCSNMINERSA	N/A	Prefix Type: RBOC Switch Name: JACKSON NE Switch Type: N/A LATA: Lansing MI (346) Tandem: LNNGMIMN20T 🔧 Explore Switch(CLLI: JCSNMINERSA))
517-769-6XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	JACKSON	JCSNMINERSA	N/A	Prefix Type: RBOC Switch Name: JACKSON NE Switch Type: N/A LATA: Lansing MI (346) Tandem: LNNGMIMN20T 🔧 Explore Switch(CLLI: JCSNMINERSA))
517-780	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	JACKSON	JCSNMIMNDS0	00/00/0000	Prefix Type: RBOC Switch Name: JACKSON DS0 Switch Type: DMS100 LATA: Lansing MI (346) Tandem: LNNGMIMN20T 🔧 Explore Switch(CLLI: JCSNMIMNDS0))
517-782	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	JACKSON	JCSNMIMNDS0	00/00/0000	Prefix Type: RBOC Switch Name: JACKSON DS0 Switch Type: DMS100 LATA: Lansing MI (346) Tandem: LNNGMIMN20T 🔧 Explore Switch(CLLI: JCSNMIMNDS0))
517-783	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	JACKSON	JCSNMIMNDS0	00/00/0000	Prefix Type: RBOC Switch Name: JACKSON DS0 Switch Type: DMS100 LATA: Lansing MI (346) Tandem: LNNGMIMN20T 🔧 Explore Switch(CLLI: JCSNMIMNDS0))
517-784	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	JACKSON	JCSNMIMNDS0	00/00/0000	Prefix Type: RBOC Switch Name: JACKSON DS0 Switch Type: DMS100 LATA: Lansing MI (346) Tandem: LNNGMIMN20T 🔧 Explore Switch(CLLI: JCSNMIMNDS0))
517-787	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	JACKSON	JCSNMIMNDS0	00/00/0000	Prefix Type: RBOC Switch Name: JACKSON DS0 Switch Type: DMS100 LATA: Lansing MI (346) Tandem: LNNGMIMN20T 🔧 Explore Switch(CLLI: JCSNMIMNDS0))
517-788	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	JACKSON	JCSNMIMNDS0	00/00/0000	Prefix Type: RBOC Switch Name: JACKSON DS0 Switch Type: DMS100 LATA: Lansing MI (346) Tandem: LNNGMIMN20T 🔧 Explore Switch(CLLI: JCSNMIMNDS0))
517-789	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	JACKSON	JCSNMIMNDS0	00/00/0000	Prefix Type: RBOC Switch Name: JACKSON DS0 Switch Type: DMS100 LATA: Lansing MI (346) Tandem: LNNGMIMN20T 🔧 Explore Switch(CLLI: JCSNMIMNDS0))
517-796	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	JACKSON	JCSNMIMNDS0	00/00/0000	Prefix Type: RBOC Switch Name: JACKSON DS0 Switch Type: DMS100 LATA: Lansing MI (346) Tandem: LNNGMIMN20T 🔧 Explore Switch(CLLI: JCSNMIMNDS0))
517-796 is split into 1,000-number blocks - detail below
517-796-0XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	JACKSON	JCSNMIMNDS0	N/A	Prefix Type: RBOC Switch Name: JACKSON DS0 Switch Type: DMS100 LATA: Lansing MI (346) Tandem: LNNGMIMN20T 🔧 Explore Switch(CLLI: JCSNMIMNDS0))
517-796-1XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	JACKSON	JCSNMIMNDS0	N/A	Prefix Type: RBOC Switch Name: JACKSON DS0 Switch Type: DMS100 LATA: Lansing MI (346) Tandem: LNNGMIMN20T 🔧 Explore Switch(CLLI: JCSNMIMNDS0))
517-796-2XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	JACKSON	JCSNMIMNDS0	N/A	Prefix Type: RBOC Switch Name: JACKSON DS0 Switch Type: DMS100 LATA: Lansing MI (346) Tandem: LNNGMIMN20T 🔧 Explore Switch(CLLI: JCSNMIMNDS0))
517-796-4XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	JACKSON	JCSNMIMNDS0	N/A	Prefix Type: RBOC Switch Name: JACKSON DS0 Switch Type: DMS100 LATA: Lansing MI (346) Tandem: LNNGMIMN20T 🔧 Explore Switch(CLLI: JCSNMIMNDS0))
517-796-5XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	JACKSON	JCSNMIMNDS0	N/A	Prefix Type: RBOC Switch Name: JACKSON DS0 Switch Type: DMS100 LATA: Lansing MI (346) Tandem: LNNGMIMN20T 🔧 Explore Switch(CLLI: JCSNMIMNDS0))
517-796-6XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	JACKSON	JCSNMIMNDS0	N/A	Prefix Type: RBOC Switch Name: JACKSON DS0 Switch Type: DMS100 LATA: Lansing MI (346) Tandem: LNNGMIMN20T 🔧 Explore Switch(CLLI: JCSNMIMNDS0))
517-796-7XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	JACKSON	JCSNMIMNDS0	N/A	Prefix Type: RBOC Switch Name: JACKSON DS0 Switch Type: DMS100 LATA: Lansing MI (346) Tandem: LNNGMIMN20T 🔧 Explore Switch(CLLI: JCSNMIMNDS0))
517-796-8XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	JACKSON	JCSNMIMNDS0	N/A	Prefix Type: RBOC Switch Name: JACKSON DS0 Switch Type: DMS100 LATA: Lansing MI (346) Tandem: LNNGMIMN20T 🔧 Explore Switch(CLLI: JCSNMIMNDS0))
517-796-9XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	JACKSON	JCSNMIMNDS0	N/A	Prefix Type: RBOC Switch Name: JACKSON DS0 Switch Type: DMS100 LATA: Lansing MI (346) Tandem: LNNGMIMN20T 🔧 Explore Switch(CLLI: JCSNMIMNDS0))
517-802	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	LANSING	LNNGMIMNDS1	07/03/2007	Prefix Type: RBOC Switch Name: LANSING DS1 Switch Type: DMS100 LATA: Lansing MI (346) Tandem: LNNGMIMN20T 🔧 Explore Switch(CLLI: LNNGMIMNDS1))
517-802 is split into 1,000-number blocks - detail below
517-802-2XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	LANSING	LNNGMIMNDS1	07/03/2007	Prefix Type: RBOC Switch Name: LANSING DS1 Switch Type: DMS100 LATA: Lansing MI (346) Tandem: LNNGMIMN20T 🔧 Explore Switch(CLLI: LNNGMIMNDS1))
517-802-3XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	LANSING	LNNGMIMNDS1	07/03/2007	Prefix Type: RBOC Switch Name: LANSING DS1 Switch Type: DMS100 LATA: Lansing MI (346) Tandem: LNNGMIMN20T 🔧 Explore Switch(CLLI: LNNGMIMNDS1))
517-802-4XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	LANSING	LNNGMIMNDS1	07/03/2007	Prefix Type: RBOC Switch Name: LANSING DS1 Switch Type: DMS100 LATA: Lansing MI (346) Tandem: LNNGMIMN20T 🔧 Explore Switch(CLLI: LNNGMIMNDS1))
517-802-5XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	LANSING	LNNGMIMNDS1	07/03/2007	Prefix Type: RBOC Switch Name: LANSING DS1 Switch Type: DMS100 LATA: Lansing MI (346) Tandem: LNNGMIMN20T 🔧 Explore Switch(CLLI: LNNGMIMNDS1))
517-802-6XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	LANSING	LNNGMIMNDS1	07/03/2007	Prefix Type: RBOC Switch Name: LANSING DS1 Switch Type: DMS100 LATA: Lansing MI (346) Tandem: LNNGMIMN20T 🔧 Explore Switch(CLLI: LNNGMIMNDS1))
517-817	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	JACKSON	JCSNMIMNDS0	00/00/0000	Prefix Type: RBOC Switch Name: JACKSON DS0 Switch Type: DMS100 LATA: Lansing MI (346) Tandem: LNNGMIMN20T 🔧 Explore Switch(CLLI: JCSNMIMNDS0))
517-817 is split into 1,000-number blocks - detail below
517-817-0XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	JACKSON	JCSNMIMNDS0	N/A	Prefix Type: RBOC Switch Name: JACKSON DS0 Switch Type: DMS100 LATA: Lansing MI (346) Tandem: LNNGMIMN20T 🔧 Explore Switch(CLLI: JCSNMIMNDS0))
517-817-1XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	JACKSON	JCSNMIMNDS0	N/A	Prefix Type: RBOC Switch Name: JACKSON DS0 Switch Type: DMS100 LATA: Lansing MI (346) Tandem: LNNGMIMN20T 🔧 Explore Switch(CLLI: JCSNMIMNDS0))
517-817-2XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	JACKSON	JCSNMIMNDS0	N/A	Prefix Type: RBOC Switch Name: JACKSON DS0 Switch Type: DMS100 LATA: Lansing MI (346) Tandem: LNNGMIMN20T 🔧 Explore Switch(CLLI: JCSNMIMNDS0))
517-817-3XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	JACKSON	JCSNMIMNDS0	N/A	Prefix Type: RBOC Switch Name: JACKSON DS0 Switch Type: DMS100 LATA: Lansing MI (346) Tandem: LNNGMIMN20T 🔧 Explore Switch(CLLI: JCSNMIMNDS0))
517-817-4XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	JACKSON	JCSNMIMNDS0	N/A	Prefix Type: RBOC Switch Name: JACKSON DS0 Switch Type: DMS100 LATA: Lansing MI (346) Tandem: LNNGMIMN20T 🔧 Explore Switch(CLLI: JCSNMIMNDS0))
517-817-7XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	JACKSON	JCSNMIMNDS0	N/A	Prefix Type: RBOC Switch Name: JACKSON DS0 Switch Type: DMS100 LATA: Lansing MI (346) Tandem: LNNGMIMN20T 🔧 Explore Switch(CLLI: JCSNMIMNDS0))
517-840	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	JACKSON	JCSNMIMNDS0	00/00/0000	Prefix Type: RBOC Switch Name: JACKSON DS0 Switch Type: DMS100 LATA: Lansing MI (346) Tandem: LNNGMIMN20T 🔧 Explore Switch(CLLI: JCSNMIMNDS0))
517-841	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	JACKSON	JCSNMIMNDS0	00/00/0000	Prefix Type: RBOC Switch Name: JACKSON DS0 Switch Type: DMS100 LATA: Lansing MI (346) Tandem: LNNGMIMN20T 🔧 Explore Switch(CLLI: JCSNMIMNDS0))
517-849	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	JONESVILLE	JNVLMIMNRSA	00/00/0000	Prefix Type: RBOC Switch Name: JONESVILLE Switch Type: N/A LATA: Lansing MI (346) Tandem: LNNGMIMN20T 🔧 Explore Switch(CLLI: JNVLMIMNRSA))
517-849 is split into 1,000-number blocks - detail below
517-849-2XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	JONESVILLE	JNVLMIMNRSA	N/A	Prefix Type: RBOC Switch Name: JONESVILLE Switch Type: N/A LATA: Lansing MI (346) Tandem: LNNGMIMN20T 🔧 Explore Switch(CLLI: JNVLMIMNRSA))
517-849-5XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	JONESVILLE	JNVLMIMNRSA	N/A	Prefix Type: RBOC Switch Name: JONESVILLE Switch Type: N/A LATA: Lansing MI (346) Tandem: LNNGMIMN20T 🔧 Explore Switch(CLLI: JNVLMIMNRSA))
517-849-7XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	JONESVILLE	JNVLMIMNRSA	N/A	Prefix Type: RBOC Switch Name: JONESVILLE Switch Type: N/A LATA: Lansing MI (346) Tandem: LNNGMIMN20T 🔧 Explore Switch(CLLI: JNVLMIMNRSA))
517-849-9XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	JONESVILLE	JNVLMIMNRSA	N/A	Prefix Type: RBOC Switch Name: JONESVILLE Switch Type: N/A LATA: Lansing MI (346) Tandem: LNNGMIMN20T 🔧 Explore Switch(CLLI: JNVLMIMNRSA))
517-852	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	NASHVILLE	NVVLMIMNRSA	00/00/0000	Prefix Type: RBOC Switch Name: NASHVILLE Switch Type: N/A LATA: Lansing MI (346) Tandem: LNNGMIMN20T 🔧 Explore Switch(CLLI: NVVLMIMNRSA))
517-852 is split into 1,000-number blocks - detail below
517-852-0XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	NASHVILLE	NVVLMIMNRSA	N/A	Prefix Type: RBOC Switch Name: NASHVILLE Switch Type: N/A LATA: Lansing MI (346) Tandem: LNNGMIMN20T 🔧 Explore Switch(CLLI: NVVLMIMNRSA))
517-852-1XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	NASHVILLE	NVVLMIMNRSA	N/A	Prefix Type: RBOC Switch Name: NASHVILLE Switch Type: N/A LATA: Lansing MI (346) Tandem: LNNGMIMN20T 🔧 Explore Switch(CLLI: NVVLMIMNRSA))
517-852-2XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	NASHVILLE	NVVLMIMNRSA	N/A	Prefix Type: RBOC Switch Name: NASHVILLE Switch Type: N/A LATA: Lansing MI (346) Tandem: LNNGMIMN20T 🔧 Explore Switch(CLLI: NVVLMIMNRSA))
517-852-6XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	NASHVILLE	NVVLMIMNRSA	N/A	Prefix Type: RBOC Switch Name: NASHVILLE Switch Type: N/A LATA: Lansing MI (346) Tandem: LNNGMIMN20T 🔧 Explore Switch(CLLI: NVVLMIMNRSA))
517-852-9XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	NASHVILLE	NVVLMIMNRSA	N/A	Prefix Type: RBOC Switch Name: NASHVILLE Switch Type: N/A LATA: Lansing MI (346) Tandem: LNNGMIMN20T 🔧 Explore Switch(CLLI: NVVLMIMNRSA))
517-880	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	XXXXXXXXXX	NOCLLIKNOWN	00/00/0000	Prefix Type: RBOC Switch Name: N/A Switch Type: N/A LATA: N/A Tandem: N/A 🔧 Explore Switch(CLLI: NOCLLIKNOWN))
517-882	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	LANSING	LNNGMISORS0	00/00/0000	Prefix Type: RBOC Switch Name: LANSING Switch Type: N/A LATA: Lansing MI (346) Tandem: N/A 🔧 Explore Switch(CLLI: LNNGMISORS0))
517-884	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	LANSING	ELNSMIMNDS0	00/00/0000	Prefix Type: RBOC Switch Name: EAST LANSING Switch Type: DMS100 LATA: Lansing MI (346) Tandem: LNNGMIMN20T 🔧 Explore Switch(CLLI: ELNSMIMNDS0))
517-885	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	LANSING	LNNGMIMNDS1	00/00/0000	Prefix Type: RBOC Switch Name: LANSING DS1 Switch Type: DMS100 LATA: Lansing MI (346) Tandem: LNNGMIMN20T 🔧 Explore Switch(CLLI: LNNGMIMNDS1))
517-885 is split into 1,000-number blocks - detail below
517-885-4XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	LANSING	LNNGMIMNDS1	N/A	Prefix Type: RBOC Switch Name: LANSING DS1 Switch Type: DMS100 LATA: Lansing MI (346) Tandem: LNNGMIMN20T 🔧 Explore Switch(CLLI: LNNGMIMNDS1))
517-885-6XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	LANSING	LNNGMIMNDS1	N/A	Prefix Type: RBOC Switch Name: LANSING DS1 Switch Type: DMS100 LATA: Lansing MI (346) Tandem: LNNGMIMN20T 🔧 Explore Switch(CLLI: LNNGMIMNDS1))
517-885-7XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	LANSING	LNNGMIMNDS1	N/A	Prefix Type: RBOC Switch Name: LANSING DS1 Switch Type: DMS100 LATA: Lansing MI (346) Tandem: LNNGMIMN20T 🔧 Explore Switch(CLLI: LNNGMIMNDS1))
517-885-9XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	LANSING	LNNGMIMNDS1	N/A	Prefix Type: RBOC Switch Name: LANSING DS1 Switch Type: DMS100 LATA: Lansing MI (346) Tandem: LNNGMIMN20T 🔧 Explore Switch(CLLI: LNNGMIMNDS1))
517-886	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	LANSING	LNNGMINWDS0	00/00/0000	Prefix Type: RBOC Switch Name: LANSING NW Switch Type: DMS100 LATA: Lansing MI (346) Tandem: LNNGMIMN20T 🔧 Explore Switch(CLLI: LNNGMINWDS0))
517-887	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	LANSING	LNNGMISORS0	00/00/0000	Prefix Type: RBOC Switch Name: LANSING Switch Type: N/A LATA: Lansing MI (346) Tandem: N/A 🔧 Explore Switch(CLLI: LNNGMISORS0))
517-960	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	JACKSON	JCSNMINERSA	01/25/2001	Prefix Type: RBOC Switch Name: JACKSON NE Switch Type: N/A LATA: Lansing MI (346) Tandem: LNNGMIMN20T 🔧 Explore Switch(CLLI: JCSNMINERSA))
517-960 is split into 1,000-number blocks - detail below
517-960-0XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	JACKSON	JCSNMINERSA	N/A	Prefix Type: RBOC Switch Name: JACKSON NE Switch Type: N/A LATA: Lansing MI (346) Tandem: LNNGMIMN20T 🔧 Explore Switch(CLLI: JCSNMINERSA))
517-975 is split into 1,000-number blocks - detail below
517-975-1XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	LANSING	LNNGMIMNDS1	10/22/2007	Prefix Type: RBOC Switch Name: LANSING DS1 Switch Type: DMS100 LATA: Lansing MI (346) Tandem: LNNGMIMN20T 🔧 Explore Switch(CLLI: LNNGMIMNDS1))
517-975-2XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	LANSING	LNNGMIMNDS1	10/22/2007	Prefix Type: RBOC Switch Name: LANSING DS1 Switch Type: DMS100 LATA: Lansing MI (346) Tandem: LNNGMIMN20T 🔧 Explore Switch(CLLI: LNNGMIMNDS1))
517-975-3XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	LANSING	LNNGMIMNDS1	10/22/2007	Prefix Type: RBOC Switch Name: LANSING DS1 Switch Type: DMS100 LATA: Lansing MI (346) Tandem: LNNGMIMN20T 🔧 Explore Switch(CLLI: LNNGMIMNDS1))
517-975-6XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	LANSING	LNNGMIMNDS1	10/22/2007	Prefix Type: RBOC Switch Name: LANSING DS1 Switch Type: DMS100 LATA: Lansing MI (346) Tandem: LNNGMIMN20T 🔧 Explore Switch(CLLI: LNNGMIMNDS1))
517-975-7XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	LANSING	LNNGMIMNDS1	10/22/2007	Prefix Type: RBOC Switch Name: LANSING DS1 Switch Type: DMS100 LATA: Lansing MI (346) Tandem: LNNGMIMN20T 🔧 Explore Switch(CLLI: LNNGMIMNDS1))
517-975-8XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	LANSING	LNNGMIMNDS1	10/22/2007	Prefix Type: RBOC Switch Name: LANSING DS1 Switch Type: DMS100 LATA: Lansing MI (346) Tandem: LNNGMIMN20T 🔧 Explore Switch(CLLI: LNNGMIMNDS1))
517-975-9XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	LANSING	LNNGMIMNDS1	10/22/2007	Prefix Type: RBOC Switch Name: LANSING DS1 Switch Type: DMS100 LATA: Lansing MI (346) Tandem: LNNGMIMN20T 🔧 Explore Switch(CLLI: LNNGMIMNDS1))
586-226	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	MT CLEMENS	MTCLMICLDS0	00/00/0000	Prefix Type: RBOC Switch Name: MT CLEMENS CL Switch Type: DMS100 LATA: Detroit MI (340) Tandem: TROYMIMN55T 🔧 Explore Switch(CLLI: MTCLMICLDS0))
586-228	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	MT CLEMENS	MTCLMICLDS0	00/00/0000	Prefix Type: RBOC Switch Name: MT CLEMENS CL Switch Type: DMS100 LATA: Detroit MI (340) Tandem: TROYMIMN55T 🔧 Explore Switch(CLLI: MTCLMICLDS0))
586-239	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	MT CLEMENS	MTCLMIMNDS0	12/05/2007	Prefix Type: RBOC Switch Name: MT CLEMENS DS0 Switch Type: DMS100 LATA: Detroit MI (340) Tandem: TROYMIMN55T 🔧 Explore Switch(CLLI: MTCLMIMNDS0))
586-239 is split into 1,000-number blocks - detail below
586-239-2XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	MT CLEMENS	MTCLMIMNDS0	12/07/2007	Prefix Type: RBOC Switch Name: MT CLEMENS DS0 Switch Type: DMS100 LATA: Detroit MI (340) Tandem: TROYMIMN55T 🔧 Explore Switch(CLLI: MTCLMIMNDS0))
586-239-3XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	MT CLEMENS	MTCLMIMNDS0	12/07/2007	Prefix Type: RBOC Switch Name: MT CLEMENS DS0 Switch Type: DMS100 LATA: Detroit MI (340) Tandem: TROYMIMN55T 🔧 Explore Switch(CLLI: MTCLMIMNDS0))
586-239-4XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	MT CLEMENS	MTCLMIMNDS0	12/07/2007	Prefix Type: RBOC Switch Name: MT CLEMENS DS0 Switch Type: DMS100 LATA: Detroit MI (340) Tandem: TROYMIMN55T 🔧 Explore Switch(CLLI: MTCLMIMNDS0))
586-239-5XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	MT CLEMENS	MTCLMIMNDS0	12/07/2007	Prefix Type: RBOC Switch Name: MT CLEMENS DS0 Switch Type: DMS100 LATA: Detroit MI (340) Tandem: TROYMIMN55T 🔧 Explore Switch(CLLI: MTCLMIMNDS0))
586-239-6XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	MT CLEMENS	MTCLMIMNDS0	12/07/2007	Prefix Type: RBOC Switch Name: MT CLEMENS DS0 Switch Type: DMS100 LATA: Detroit MI (340) Tandem: TROYMIMN55T 🔧 Explore Switch(CLLI: MTCLMIMNDS0))
586-239-7XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	MT CLEMENS	MTCLMIMNDS0	05/14/2008	Prefix Type: RBOC Switch Name: MT CLEMENS DS0 Switch Type: DMS100 LATA: Detroit MI (340) Tandem: TROYMIMN55T 🔧 Explore Switch(CLLI: MTCLMIMNDS0))
586-247	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	UTICA	MTCLMICLDS0	00/00/0000	Prefix Type: RBOC Switch Name: MT CLEMENS CL Switch Type: DMS100 LATA: Detroit MI (340) Tandem: TROYMIMN55T 🔧 Explore Switch(CLLI: MTCLMICLDS0))
586-254	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	UTICA	UTICMIMNDS0	00/00/0000	Prefix Type: RBOC Switch Name: UTICA DS0 Switch Type: DMS100 LATA: Detroit MI (340) Tandem: TROYMIMN55T 🔧 Explore Switch(CLLI: UTICMIMNDS0))
586-263	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	MT CLEMENS	MTCLMICLDS0	00/00/0000	Prefix Type: RBOC Switch Name: MT CLEMENS CL Switch Type: DMS100 LATA: Detroit MI (340) Tandem: TROYMIMN55T 🔧 Explore Switch(CLLI: MTCLMICLDS0))
586-264	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	WARREN	WRRNMIMNRPA	00/00/0000	Prefix Type: RBOC Switch Name: WARREN Switch Type: N/A LATA: Detroit MI (340) Tandem: N/A 🔧 Explore Switch(CLLI: WRRNMIMNRPA))
586-268	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	WARREN	WRRNMIMNRPA	00/00/0000	Prefix Type: RBOC Switch Name: WARREN Switch Type: N/A LATA: Detroit MI (340) Tandem: N/A 🔧 Explore Switch(CLLI: WRRNMIMNRPA))
586-274	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	WARREN	WRRNMIMNRPA	00/00/0000	Prefix Type: RBOC Switch Name: WARREN Switch Type: N/A LATA: Detroit MI (340) Tandem: N/A 🔧 Explore Switch(CLLI: WRRNMIMNRPA))
586-276	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	WARREN	WRRNMIMNRPA	00/00/0000	Prefix Type: RBOC Switch Name: WARREN Switch Type: N/A LATA: Detroit MI (340) Tandem: N/A 🔧 Explore Switch(CLLI: WRRNMIMNRPA))
586-276 is split into 1,000-number blocks - detail below
586-276-0XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	WARREN	WRRNMIMNRPA	N/A	Prefix Type: RBOC Switch Name: WARREN Switch Type: N/A LATA: Detroit MI (340) Tandem: N/A 🔧 Explore Switch(CLLI: WRRNMIMNRPA))
586-276-1XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	WARREN	WRRNMIMNRPA	N/A	Prefix Type: RBOC Switch Name: WARREN Switch Type: N/A LATA: Detroit MI (340) Tandem: N/A 🔧 Explore Switch(CLLI: WRRNMIMNRPA))
586-276-2XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	WARREN	WRRNMIMNRPA	N/A	Prefix Type: RBOC Switch Name: WARREN Switch Type: N/A LATA: Detroit MI (340) Tandem: N/A 🔧 Explore Switch(CLLI: WRRNMIMNRPA))
586-276-3XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	WARREN	WRRNMIMNRPA	N/A	Prefix Type: RBOC Switch Name: WARREN Switch Type: N/A LATA: Detroit MI (340) Tandem: N/A 🔧 Explore Switch(CLLI: WRRNMIMNRPA))
586-276-4XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	WARREN	WRRNMIMNRPA	N/A	Prefix Type: RBOC Switch Name: WARREN Switch Type: N/A LATA: Detroit MI (340) Tandem: N/A 🔧 Explore Switch(CLLI: WRRNMIMNRPA))
586-276-6XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	WARREN	WRRNMIMNRPA	N/A	Prefix Type: RBOC Switch Name: WARREN Switch Type: N/A LATA: Detroit MI (340) Tandem: N/A 🔧 Explore Switch(CLLI: WRRNMIMNRPA))
586-282	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	CENTERLINE	WRRNMITLDS0	11/03/2008	Prefix Type: RBOC Switch Name: WARREN TECHLINE DS0 Switch Type: DMS100 LATA: Detroit MI (340) Tandem: WBFDMIMN20T 🔧 Explore Switch(CLLI: WRRNMITLDS0))
586-282 is split into 1,000-number blocks - detail below
586-282-0XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	CENTERLINE	WRRNMITLDS0	11/03/2008	Prefix Type: RBOC Switch Name: WARREN TECHLINE DS0 Switch Type: DMS100 LATA: Detroit MI (340) Tandem: WBFDMIMN20T 🔧 Explore Switch(CLLI: WRRNMITLDS0))
586-282-1XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	CENTERLINE	WRRNMITLDS0	11/03/2008	Prefix Type: RBOC Switch Name: WARREN TECHLINE DS0 Switch Type: DMS100 LATA: Detroit MI (340) Tandem: WBFDMIMN20T 🔧 Explore Switch(CLLI: WRRNMITLDS0))
586-282-2XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	CENTERLINE	WRRNMITLDS0	11/03/2008	Prefix Type: RBOC Switch Name: WARREN TECHLINE DS0 Switch Type: DMS100 LATA: Detroit MI (340) Tandem: WBFDMIMN20T 🔧 Explore Switch(CLLI: WRRNMITLDS0))
586-282-3XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	CENTERLINE	WRRNMITLDS0	11/03/2008	Prefix Type: RBOC Switch Name: WARREN TECHLINE DS0 Switch Type: DMS100 LATA: Detroit MI (340) Tandem: WBFDMIMN20T 🔧 Explore Switch(CLLI: WRRNMITLDS0))
586-282-4XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	CENTERLINE	WRRNMITLDS0	11/03/2008	Prefix Type: RBOC Switch Name: WARREN TECHLINE DS0 Switch Type: DMS100 LATA: Detroit MI (340) Tandem: WBFDMIMN20T 🔧 Explore Switch(CLLI: WRRNMITLDS0))
586-282-5XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	CENTERLINE	WRRNMITLDS0	11/03/2008	Prefix Type: RBOC Switch Name: WARREN TECHLINE DS0 Switch Type: DMS100 LATA: Detroit MI (340) Tandem: WBFDMIMN20T 🔧 Explore Switch(CLLI: WRRNMITLDS0))
586-282-6XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	CENTERLINE	WRRNMITLDS0	11/03/2008	Prefix Type: RBOC Switch Name: WARREN TECHLINE DS0 Switch Type: DMS100 LATA: Detroit MI (340) Tandem: WBFDMIMN20T 🔧 Explore Switch(CLLI: WRRNMITLDS0))
586-282-7XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	CENTERLINE	WRRNMITLDS0	11/03/2008	Prefix Type: RBOC Switch Name: WARREN TECHLINE DS0 Switch Type: DMS100 LATA: Detroit MI (340) Tandem: WBFDMIMN20T 🔧 Explore Switch(CLLI: WRRNMITLDS0))
586-282-8XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	CENTERLINE	WRRNMITLDS0	11/03/2008	Prefix Type: RBOC Switch Name: WARREN TECHLINE DS0 Switch Type: DMS100 LATA: Detroit MI (340) Tandem: WBFDMIMN20T 🔧 Explore Switch(CLLI: WRRNMITLDS0))
586-282-9XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	CENTERLINE	WRRNMITLDS0	11/03/2008	Prefix Type: RBOC Switch Name: WARREN TECHLINE DS0 Switch Type: DMS100 LATA: Detroit MI (340) Tandem: WBFDMIMN20T 🔧 Explore Switch(CLLI: WRRNMITLDS0))
586-285	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	ROSEVILLE	RSVLMINRDS0	00/00/0000	Prefix Type: RBOC Switch Name: ROSEVILLE NR Switch Type: 5ESS LATA: Detroit MI (340) Tandem: WBFDMIMN20T 🔧 Explore Switch(CLLI: RSVLMINRDS0))
586-285 is split into 1,000-number blocks - detail below
586-285-0XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	ROSEVILLE	RSVLMINRDS0	N/A	Prefix Type: RBOC Switch Name: ROSEVILLE NR Switch Type: 5ESS LATA: Detroit MI (340) Tandem: WBFDMIMN20T 🔧 Explore Switch(CLLI: RSVLMINRDS0))
586-285-1XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	ROSEVILLE	RSVLMINRDS0	N/A	Prefix Type: RBOC Switch Name: ROSEVILLE NR Switch Type: 5ESS LATA: Detroit MI (340) Tandem: WBFDMIMN20T 🔧 Explore Switch(CLLI: RSVLMINRDS0))
586-285-2XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	ROSEVILLE	RSVLMINRDS0	N/A	Prefix Type: RBOC Switch Name: ROSEVILLE NR Switch Type: 5ESS LATA: Detroit MI (340) Tandem: WBFDMIMN20T 🔧 Explore Switch(CLLI: RSVLMINRDS0))
586-285-3XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	ROSEVILLE	RSVLMINRDS0	N/A	Prefix Type: RBOC Switch Name: ROSEVILLE NR Switch Type: 5ESS LATA: Detroit MI (340) Tandem: WBFDMIMN20T 🔧 Explore Switch(CLLI: RSVLMINRDS0))
586-285-4XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	ROSEVILLE	RSVLMINRDS0	N/A	Prefix Type: RBOC Switch Name: ROSEVILLE NR Switch Type: 5ESS LATA: Detroit MI (340) Tandem: WBFDMIMN20T 🔧 Explore Switch(CLLI: RSVLMINRDS0))
586-285-6XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	ROSEVILLE	RSVLMINRDS0	N/A	Prefix Type: RBOC Switch Name: ROSEVILLE NR Switch Type: 5ESS LATA: Detroit MI (340) Tandem: WBFDMIMN20T 🔧 Explore Switch(CLLI: RSVLMINRDS0))
586-285-7XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	ROSEVILLE	RSVLMINRDS0	N/A	Prefix Type: RBOC Switch Name: ROSEVILLE NR Switch Type: 5ESS LATA: Detroit MI (340) Tandem: WBFDMIMN20T 🔧 Explore Switch(CLLI: RSVLMINRDS0))
586-285-8XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	ROSEVILLE	RSVLMINRDS0	N/A	Prefix Type: RBOC Switch Name: ROSEVILLE NR Switch Type: 5ESS LATA: Detroit MI (340) Tandem: WBFDMIMN20T 🔧 Explore Switch(CLLI: RSVLMINRDS0))
586-285-9XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	ROSEVILLE	RSVLMINRDS0	N/A	Prefix Type: RBOC Switch Name: ROSEVILLE NR Switch Type: 5ESS LATA: Detroit MI (340) Tandem: WBFDMIMN20T 🔧 Explore Switch(CLLI: RSVLMINRDS0))
586-286	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	MT CLEMENS	MTCLMICLDS0	00/00/0000	Prefix Type: RBOC Switch Name: MT CLEMENS CL Switch Type: DMS100 LATA: Detroit MI (340) Tandem: TROYMIMN55T 🔧 Explore Switch(CLLI: MTCLMICLDS0))
586-293	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	ROSEVILLE	RSVLMINRDS0	00/00/0000	Prefix Type: RBOC Switch Name: ROSEVILLE NR Switch Type: 5ESS LATA: Detroit MI (340) Tandem: WBFDMIMN20T 🔧 Explore Switch(CLLI: RSVLMINRDS0))
586-294	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	ROSEVILLE	RSVLMINRDS0	00/00/0000	Prefix Type: RBOC Switch Name: ROSEVILLE NR Switch Type: 5ESS LATA: Detroit MI (340) Tandem: WBFDMIMN20T 🔧 Explore Switch(CLLI: RSVLMINRDS0))
586-296	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	ROSEVILLE	RSVLMINRDS0	00/00/0000	Prefix Type: RBOC Switch Name: ROSEVILLE NR Switch Type: 5ESS LATA: Detroit MI (340) Tandem: WBFDMIMN20T 🔧 Explore Switch(CLLI: RSVLMINRDS0))
586-307	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	MT CLEMENS	MTCLMIMNDS0	00/00/0000	Prefix Type: RBOC Switch Name: MT CLEMENS DS0 Switch Type: DMS100 LATA: Detroit MI (340) Tandem: TROYMIMN55T 🔧 Explore Switch(CLLI: MTCLMIMNDS0))
586-307 is split into 1,000-number blocks - detail below
586-307-0XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	MT CLEMENS	MTCLMIMNDS0	N/A	Prefix Type: RBOC Switch Name: MT CLEMENS DS0 Switch Type: DMS100 LATA: Detroit MI (340) Tandem: TROYMIMN55T 🔧 Explore Switch(CLLI: MTCLMIMNDS0))
586-307-1XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	MT CLEMENS	MTCLMIMNDS0	N/A	Prefix Type: RBOC Switch Name: MT CLEMENS DS0 Switch Type: DMS100 LATA: Detroit MI (340) Tandem: TROYMIMN55T 🔧 Explore Switch(CLLI: MTCLMIMNDS0))
586-307-3XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	MT CLEMENS	MTCLMIMNDS0	N/A	Prefix Type: RBOC Switch Name: MT CLEMENS DS0 Switch Type: DMS100 LATA: Detroit MI (340) Tandem: TROYMIMN55T 🔧 Explore Switch(CLLI: MTCLMIMNDS0))
586-307-7XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	MT CLEMENS	MTCLMIMNDS0	N/A	Prefix Type: RBOC Switch Name: MT CLEMENS DS0 Switch Type: DMS100 LATA: Detroit MI (340) Tandem: TROYMIMN55T 🔧 Explore Switch(CLLI: MTCLMIMNDS0))
586-307-8XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	MT CLEMENS	MTCLMIMNDS0	N/A	Prefix Type: RBOC Switch Name: MT CLEMENS DS0 Switch Type: DMS100 LATA: Detroit MI (340) Tandem: TROYMIMN55T 🔧 Explore Switch(CLLI: MTCLMIMNDS0))
586-307-9XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	MT CLEMENS	MTCLMIMNDS0	N/A	Prefix Type: RBOC Switch Name: MT CLEMENS DS0 Switch Type: DMS100 LATA: Detroit MI (340) Tandem: TROYMIMN55T 🔧 Explore Switch(CLLI: MTCLMIMNDS0))
586-323	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	UTICA	UTICMIMNDS0	00/00/0000	Prefix Type: RBOC Switch Name: UTICA DS0 Switch Type: DMS100 LATA: Detroit MI (340) Tandem: TROYMIMN55T 🔧 Explore Switch(CLLI: UTICMIMNDS0))
586-336	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	ROMEO	ROMOMIMNDS0	00/00/0000	Prefix Type: RBOC Switch Name: ROMEO DS0 Switch Type: DMS100 LATA: Detroit MI (340) Tandem: TROYMIMN55T 🔧 Explore Switch(CLLI: ROMOMIMNDS0))
586-336 is split into 1,000-number blocks - detail below
586-336-0XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	ROMEO	ROMOMIMNDS0	N/A	Prefix Type: RBOC Switch Name: ROMEO DS0 Switch Type: DMS100 LATA: Detroit MI (340) Tandem: TROYMIMN55T 🔧 Explore Switch(CLLI: ROMOMIMNDS0))
586-336-1XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	ROMEO	ROMOMIMNDS0	N/A	Prefix Type: RBOC Switch Name: ROMEO DS0 Switch Type: DMS100 LATA: Detroit MI (340) Tandem: TROYMIMN55T 🔧 Explore Switch(CLLI: ROMOMIMNDS0))
586-336-2XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	ROMEO	ROMOMIMNDS0	N/A	Prefix Type: RBOC Switch Name: ROMEO DS0 Switch Type: DMS100 LATA: Detroit MI (340) Tandem: TROYMIMN55T 🔧 Explore Switch(CLLI: ROMOMIMNDS0))
586-336-3XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	ROMEO	ROMOMIMNDS0	N/A	Prefix Type: RBOC Switch Name: ROMEO DS0 Switch Type: DMS100 LATA: Detroit MI (340) Tandem: TROYMIMN55T 🔧 Explore Switch(CLLI: ROMOMIMNDS0))
586-336-4XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	ROMEO	ROMOMIMNDS0	N/A	Prefix Type: RBOC Switch Name: ROMEO DS0 Switch Type: DMS100 LATA: Detroit MI (340) Tandem: TROYMIMN55T 🔧 Explore Switch(CLLI: ROMOMIMNDS0))
586-336-5XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	ROMEO	ROMOMIMNDS0	N/A	Prefix Type: RBOC Switch Name: ROMEO DS0 Switch Type: DMS100 LATA: Detroit MI (340) Tandem: TROYMIMN55T 🔧 Explore Switch(CLLI: ROMOMIMNDS0))
586-336-6XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	ROMEO	ROMOMIMNDS0	N/A	Prefix Type: RBOC Switch Name: ROMEO DS0 Switch Type: DMS100 LATA: Detroit MI (340) Tandem: TROYMIMN55T 🔧 Explore Switch(CLLI: ROMOMIMNDS0))
586-336-7XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	ROMEO	ROMOMIMNDS0	N/A	Prefix Type: RBOC Switch Name: ROMEO DS0 Switch Type: DMS100 LATA: Detroit MI (340) Tandem: TROYMIMN55T 🔧 Explore Switch(CLLI: ROMOMIMNDS0))
586-336-9XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	ROMEO	ROMOMIMNDS0	N/A	Prefix Type: RBOC Switch Name: ROMEO DS0 Switch Type: DMS100 LATA: Detroit MI (340) Tandem: TROYMIMN55T 🔧 Explore Switch(CLLI: ROMOMIMNDS0))
586-393 is split into 1,000-number blocks - detail below
586-393-3XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	CENTERLINE	WRRNMITLDS0	N/A	Prefix Type: RBOC Switch Name: WARREN TECHLINE DS0 Switch Type: DMS100 LATA: Detroit MI (340) Tandem: WBFDMIMN20T 🔧 Explore Switch(CLLI: WRRNMITLDS0))
586-393-4XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	CENTERLINE	WRRNMITLDS0	N/A	Prefix Type: RBOC Switch Name: WARREN TECHLINE DS0 Switch Type: DMS100 LATA: Detroit MI (340) Tandem: WBFDMIMN20T 🔧 Explore Switch(CLLI: WRRNMITLDS0))
586-412	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	MT CLEMENS	MTCLMICLDS0	00/00/0000	Prefix Type: RBOC Switch Name: MT CLEMENS CL Switch Type: DMS100 LATA: Detroit MI (340) Tandem: TROYMIMN55T 🔧 Explore Switch(CLLI: MTCLMICLDS0))
586-415	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	ROSEVILLE	RSVLMINRDS0	00/00/0000	Prefix Type: RBOC Switch Name: ROSEVILLE NR Switch Type: 5ESS LATA: Detroit MI (340) Tandem: WBFDMIMN20T 🔧 Explore Switch(CLLI: RSVLMINRDS0))
586-415 is split into 1,000-number blocks - detail below
586-415-0XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	ROSEVILLE	RSVLMINRDS0	N/A	Prefix Type: RBOC Switch Name: ROSEVILLE NR Switch Type: 5ESS LATA: Detroit MI (340) Tandem: WBFDMIMN20T 🔧 Explore Switch(CLLI: RSVLMINRDS0))
586-415-1XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	ROSEVILLE	RSVLMINRDS0	N/A	Prefix Type: RBOC Switch Name: ROSEVILLE NR Switch Type: 5ESS LATA: Detroit MI (340) Tandem: WBFDMIMN20T 🔧 Explore Switch(CLLI: RSVLMINRDS0))
586-415-2XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	ROSEVILLE	RSVLMINRDS0	N/A	Prefix Type: RBOC Switch Name: ROSEVILLE NR Switch Type: 5ESS LATA: Detroit MI (340) Tandem: WBFDMIMN20T 🔧 Explore Switch(CLLI: RSVLMINRDS0))
586-415-4XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	ROSEVILLE	RSVLMINRDS0	N/A	Prefix Type: RBOC Switch Name: ROSEVILLE NR Switch Type: 5ESS LATA: Detroit MI (340) Tandem: WBFDMIMN20T 🔧 Explore Switch(CLLI: RSVLMINRDS0))
586-415-5XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	ROSEVILLE	RSVLMINRDS0	N/A	Prefix Type: RBOC Switch Name: ROSEVILLE NR Switch Type: 5ESS LATA: Detroit MI (340) Tandem: WBFDMIMN20T 🔧 Explore Switch(CLLI: RSVLMINRDS0))
586-415-6XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	ROSEVILLE	RSVLMINRDS0	N/A	Prefix Type: RBOC Switch Name: ROSEVILLE NR Switch Type: 5ESS LATA: Detroit MI (340) Tandem: WBFDMIMN20T 🔧 Explore Switch(CLLI: RSVLMINRDS0))
586-415-7XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	ROSEVILLE	RSVLMINRDS0	N/A	Prefix Type: RBOC Switch Name: ROSEVILLE NR Switch Type: 5ESS LATA: Detroit MI (340) Tandem: WBFDMIMN20T 🔧 Explore Switch(CLLI: RSVLMINRDS0))
586-415-8XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	ROSEVILLE	RSVLMINRDS0	N/A	Prefix Type: RBOC Switch Name: ROSEVILLE NR Switch Type: 5ESS LATA: Detroit MI (340) Tandem: WBFDMIMN20T 🔧 Explore Switch(CLLI: RSVLMINRDS0))
586-415-9XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	ROSEVILLE	RSVLMINRDS0	N/A	Prefix Type: RBOC Switch Name: ROSEVILLE NR Switch Type: 5ESS LATA: Detroit MI (340) Tandem: WBFDMIMN20T 🔧 Explore Switch(CLLI: RSVLMINRDS0))
586-416	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	MT CLEMENS	MTCLMICLDS0	00/00/0000	Prefix Type: RBOC Switch Name: MT CLEMENS CL Switch Type: DMS100 LATA: Detroit MI (340) Tandem: TROYMIMN55T 🔧 Explore Switch(CLLI: MTCLMICLDS0))
586-416 is split into 1,000-number blocks - detail below
586-416-0XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	MT CLEMENS	MTCLMICLDS0	N/A	Prefix Type: RBOC Switch Name: MT CLEMENS CL Switch Type: DMS100 LATA: Detroit MI (340) Tandem: TROYMIMN55T 🔧 Explore Switch(CLLI: MTCLMICLDS0))
586-416-1XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	MT CLEMENS	MTCLMICLDS0	N/A	Prefix Type: RBOC Switch Name: MT CLEMENS CL Switch Type: DMS100 LATA: Detroit MI (340) Tandem: TROYMIMN55T 🔧 Explore Switch(CLLI: MTCLMICLDS0))
586-416-2XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	MT CLEMENS	MTCLMICLDS0	N/A	Prefix Type: RBOC Switch Name: MT CLEMENS CL Switch Type: DMS100 LATA: Detroit MI (340) Tandem: TROYMIMN55T 🔧 Explore Switch(CLLI: MTCLMICLDS0))
586-416-3XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	MT CLEMENS	MTCLMICLDS0	N/A	Prefix Type: RBOC Switch Name: MT CLEMENS CL Switch Type: DMS100 LATA: Detroit MI (340) Tandem: TROYMIMN55T 🔧 Explore Switch(CLLI: MTCLMICLDS0))
586-416-4XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	MT CLEMENS	MTCLMICLDS0	N/A	Prefix Type: RBOC Switch Name: MT CLEMENS CL Switch Type: DMS100 LATA: Detroit MI (340) Tandem: TROYMIMN55T 🔧 Explore Switch(CLLI: MTCLMICLDS0))
586-416-5XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	MT CLEMENS	MTCLMICLDS0	N/A	Prefix Type: RBOC Switch Name: MT CLEMENS CL Switch Type: DMS100 LATA: Detroit MI (340) Tandem: TROYMIMN55T 🔧 Explore Switch(CLLI: MTCLMICLDS0))
586-416-6XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	MT CLEMENS	MTCLMICLDS0	N/A	Prefix Type: RBOC Switch Name: MT CLEMENS CL Switch Type: DMS100 LATA: Detroit MI (340) Tandem: TROYMIMN55T 🔧 Explore Switch(CLLI: MTCLMICLDS0))
586-416-7XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	MT CLEMENS	MTCLMICLDS0	N/A	Prefix Type: RBOC Switch Name: MT CLEMENS CL Switch Type: DMS100 LATA: Detroit MI (340) Tandem: TROYMIMN55T 🔧 Explore Switch(CLLI: MTCLMICLDS0))
586-416-8XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	MT CLEMENS	MTCLMICLDS0	N/A	Prefix Type: RBOC Switch Name: MT CLEMENS CL Switch Type: DMS100 LATA: Detroit MI (340) Tandem: TROYMIMN55T 🔧 Explore Switch(CLLI: MTCLMICLDS0))
586-421	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	MT CLEMENS	MTCLMINRDS0	00/00/0000	Prefix Type: RBOC Switch Name: MT CLEMENS NR DS0 Switch Type: 5ESS LATA: Detroit MI (340) Tandem: TROYMIMN55T 🔧 Explore Switch(CLLI: MTCLMINRDS0))
586-421 is split into 1,000-number blocks - detail below
586-421-0XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	MT CLEMENS	MTCLMINRDS0	N/A	Prefix Type: RBOC Switch Name: MT CLEMENS NR DS0 Switch Type: 5ESS LATA: Detroit MI (340) Tandem: TROYMIMN55T 🔧 Explore Switch(CLLI: MTCLMINRDS0))
586-421-1XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	MT CLEMENS	MTCLMINRDS0	N/A	Prefix Type: RBOC Switch Name: MT CLEMENS NR DS0 Switch Type: 5ESS LATA: Detroit MI (340) Tandem: TROYMIMN55T 🔧 Explore Switch(CLLI: MTCLMINRDS0))
586-421-2XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	MT CLEMENS	MTCLMINRDS0	N/A	Prefix Type: RBOC Switch Name: MT CLEMENS NR DS0 Switch Type: 5ESS LATA: Detroit MI (340) Tandem: TROYMIMN55T 🔧 Explore Switch(CLLI: MTCLMINRDS0))
586-421-3XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	MT CLEMENS	MTCLMINRDS0	N/A	Prefix Type: RBOC Switch Name: MT CLEMENS NR DS0 Switch Type: 5ESS LATA: Detroit MI (340) Tandem: TROYMIMN55T 🔧 Explore Switch(CLLI: MTCLMINRDS0))
586-421-9XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	MT CLEMENS	MTCLMINRDS0	N/A	Prefix Type: RBOC Switch Name: MT CLEMENS NR DS0 Switch Type: 5ESS LATA: Detroit MI (340) Tandem: TROYMIMN55T 🔧 Explore Switch(CLLI: MTCLMINRDS0))
586-427	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	CENTERLINE	CNLNMIMNRPA	00/00/0000	Prefix Type: RBOC Switch Name: CENTER LINE Switch Type: N/A LATA: Detroit MI (340) Tandem: N/A 🔧 Explore Switch(CLLI: CNLNMIMNRPA))
586-443	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	ROSEVILLE	RSVLMIMNDS0	00/00/0000	Prefix Type: RBOC Switch Name: ROSEVILLE Switch Type: DMS100 LATA: Detroit MI (340) Tandem: WBFDMIMN20T 🔧 Explore Switch(CLLI: RSVLMIMNDS0))
586-443 is split into 1,000-number blocks - detail below
586-443-2XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	ROSEVILLE	RSVLMIMNDS0	N/A	Prefix Type: RBOC Switch Name: ROSEVILLE Switch Type: DMS100 LATA: Detroit MI (340) Tandem: WBFDMIMN20T 🔧 Explore Switch(CLLI: RSVLMIMNDS0))
586-443-4XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	ROSEVILLE	RSVLMIMNDS0	N/A	Prefix Type: RBOC Switch Name: ROSEVILLE Switch Type: DMS100 LATA: Detroit MI (340) Tandem: WBFDMIMN20T 🔧 Explore Switch(CLLI: RSVLMIMNDS0))
586-443-5XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	ROSEVILLE	RSVLMIMNDS0	N/A	Prefix Type: RBOC Switch Name: ROSEVILLE Switch Type: DMS100 LATA: Detroit MI (340) Tandem: WBFDMIMN20T 🔧 Explore Switch(CLLI: RSVLMIMNDS0))
586-443-7XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	ROSEVILLE	RSVLMIMNDS0	N/A	Prefix Type: RBOC Switch Name: ROSEVILLE Switch Type: DMS100 LATA: Detroit MI (340) Tandem: WBFDMIMN20T 🔧 Explore Switch(CLLI: RSVLMIMNDS0))
586-445	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	ROSEVILLE	RSVLMIMNDS0	00/00/0000	Prefix Type: RBOC Switch Name: ROSEVILLE Switch Type: DMS100 LATA: Detroit MI (340) Tandem: WBFDMIMN20T 🔧 Explore Switch(CLLI: RSVLMIMNDS0))
586-446	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	WARREN	WRRNMIMNRPA	00/00/0000	Prefix Type: RBOC Switch Name: WARREN Switch Type: N/A LATA: Detroit MI (340) Tandem: N/A 🔧 Explore Switch(CLLI: WRRNMIMNRPA))
586-447	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	ROSEVILLE	RSVLMIMNDS0	00/00/0000	Prefix Type: RBOC Switch Name: ROSEVILLE Switch Type: DMS100 LATA: Detroit MI (340) Tandem: WBFDMIMN20T 🔧 Explore Switch(CLLI: RSVLMIMNDS0))
586-447 is split into 1,000-number blocks - detail below
586-447-0XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	ROSEVILLE	RSVLMIMNDS0	N/A	Prefix Type: RBOC Switch Name: ROSEVILLE Switch Type: DMS100 LATA: Detroit MI (340) Tandem: WBFDMIMN20T 🔧 Explore Switch(CLLI: RSVLMIMNDS0))
586-447-1XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	ROSEVILLE	RSVLMIMNDS0	N/A	Prefix Type: RBOC Switch Name: ROSEVILLE Switch Type: DMS100 LATA: Detroit MI (340) Tandem: WBFDMIMN20T 🔧 Explore Switch(CLLI: RSVLMIMNDS0))
586-447-3XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	ROSEVILLE	RSVLMIMNDS0	N/A	Prefix Type: RBOC Switch Name: ROSEVILLE Switch Type: DMS100 LATA: Detroit MI (340) Tandem: WBFDMIMN20T 🔧 Explore Switch(CLLI: RSVLMIMNDS0))
586-447-4XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	ROSEVILLE	RSVLMIMNDS0	N/A	Prefix Type: RBOC Switch Name: ROSEVILLE Switch Type: DMS100 LATA: Detroit MI (340) Tandem: WBFDMIMN20T 🔧 Explore Switch(CLLI: RSVLMIMNDS0))
586-447-5XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	ROSEVILLE	RSVLMIMNDS0	N/A	Prefix Type: RBOC Switch Name: ROSEVILLE Switch Type: DMS100 LATA: Detroit MI (340) Tandem: WBFDMIMN20T 🔧 Explore Switch(CLLI: RSVLMIMNDS0))
586-447-8XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	ROSEVILLE	RSVLMIMNDS0	N/A	Prefix Type: RBOC Switch Name: ROSEVILLE Switch Type: DMS100 LATA: Detroit MI (340) Tandem: WBFDMIMN20T 🔧 Explore Switch(CLLI: RSVLMIMNDS0))
586-447-9XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	ROSEVILLE	RSVLMIMNDS0	N/A	Prefix Type: RBOC Switch Name: ROSEVILLE Switch Type: DMS100 LATA: Detroit MI (340) Tandem: WBFDMIMN20T 🔧 Explore Switch(CLLI: RSVLMIMNDS0))
586-463	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	MT CLEMENS	MTCLMIMNDS0	00/00/0000	Prefix Type: RBOC Switch Name: MT CLEMENS DS0 Switch Type: DMS100 LATA: Detroit MI (340) Tandem: TROYMIMN55T 🔧 Explore Switch(CLLI: MTCLMIMNDS0))
586-465	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	MT CLEMENS	MTCLMIMNDS0	00/00/0000	Prefix Type: RBOC Switch Name: MT CLEMENS DS0 Switch Type: DMS100 LATA: Detroit MI (340) Tandem: TROYMIMN55T 🔧 Explore Switch(CLLI: MTCLMIMNDS0))
586-466	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	MT CLEMENS	MTCLMIMNDS0	00/00/0000	Prefix Type: RBOC Switch Name: MT CLEMENS DS0 Switch Type: DMS100 LATA: Detroit MI (340) Tandem: TROYMIMN55T 🔧 Explore Switch(CLLI: MTCLMIMNDS0))
586-467 is split into 1,000-number blocks - detail below
586-467-6XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	CENTERLINE	WRRNMITLDS0	06/09/2011	Prefix Type: RBOC Switch Name: WARREN TECHLINE DS0 Switch Type: DMS100 LATA: Detroit MI (340) Tandem: WBFDMIMN20T 🔧 Explore Switch(CLLI: WRRNMITLDS0))
586-467-7XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	CENTERLINE	WRRNMITLDS0	06/09/2011	Prefix Type: RBOC Switch Name: WARREN TECHLINE DS0 Switch Type: DMS100 LATA: Detroit MI (340) Tandem: WBFDMIMN20T 🔧 Explore Switch(CLLI: WRRNMITLDS0))
586-467-8XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	CENTERLINE	WRRNMITLDS0	06/09/2011	Prefix Type: RBOC Switch Name: WARREN TECHLINE DS0 Switch Type: DMS100 LATA: Detroit MI (340) Tandem: WBFDMIMN20T 🔧 Explore Switch(CLLI: WRRNMITLDS0))
586-468	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	MT CLEMENS	MTCLMIMNDS0	00/00/0000	Prefix Type: RBOC Switch Name: MT CLEMENS DS0 Switch Type: DMS100 LATA: Detroit MI (340) Tandem: TROYMIMN55T 🔧 Explore Switch(CLLI: MTCLMIMNDS0))
586-469	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	MT CLEMENS	MTCLMIMNDS0	00/00/0000	Prefix Type: RBOC Switch Name: MT CLEMENS DS0 Switch Type: DMS100 LATA: Detroit MI (340) Tandem: TROYMIMN55T 🔧 Explore Switch(CLLI: MTCLMIMNDS0))
586-492	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	CENTERLINE	WRRNMITLDS0	00/00/0000	Prefix Type: RBOC Switch Name: WARREN TECHLINE DS0 Switch Type: DMS100 LATA: Detroit MI (340) Tandem: WBFDMIMN20T 🔧 Explore Switch(CLLI: WRRNMITLDS0))
586-493	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	MT CLEMENS	MTCLMIMNDS0	00/00/0000	Prefix Type: RBOC Switch Name: MT CLEMENS DS0 Switch Type: DMS100 LATA: Detroit MI (340) Tandem: TROYMIMN55T 🔧 Explore Switch(CLLI: MTCLMIMNDS0))
586-497	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	CENTERLINE	CNLNMIMNRPA	00/00/0000	Prefix Type: RBOC Switch Name: CENTER LINE Switch Type: N/A LATA: Detroit MI (340) Tandem: N/A 🔧 Explore Switch(CLLI: CNLNMIMNRPA))
586-498	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	ROSEVILLE	RSVLMIMNDS0	00/00/0000	Prefix Type: RBOC Switch Name: ROSEVILLE Switch Type: DMS100 LATA: Detroit MI (340) Tandem: WBFDMIMN20T 🔧 Explore Switch(CLLI: RSVLMIMNDS0))
586-498 is split into 1,000-number blocks - detail below
586-498-0XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	ROSEVILLE	RSVLMIMNDS0	N/A	Prefix Type: RBOC Switch Name: ROSEVILLE Switch Type: DMS100 LATA: Detroit MI (340) Tandem: WBFDMIMN20T 🔧 Explore Switch(CLLI: RSVLMIMNDS0))
586-498-1XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	ROSEVILLE	RSVLMIMNDS0	N/A	Prefix Type: RBOC Switch Name: ROSEVILLE Switch Type: DMS100 LATA: Detroit MI (340) Tandem: WBFDMIMN20T 🔧 Explore Switch(CLLI: RSVLMIMNDS0))
586-498-2XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	ROSEVILLE	RSVLMIMNDS0	N/A	Prefix Type: RBOC Switch Name: ROSEVILLE Switch Type: DMS100 LATA: Detroit MI (340) Tandem: WBFDMIMN20T 🔧 Explore Switch(CLLI: RSVLMIMNDS0))
586-498-3XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	ROSEVILLE	RSVLMIMNDS0	N/A	Prefix Type: RBOC Switch Name: ROSEVILLE Switch Type: DMS100 LATA: Detroit MI (340) Tandem: WBFDMIMN20T 🔧 Explore Switch(CLLI: RSVLMIMNDS0))
586-498-4XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	ROSEVILLE	RSVLMIMNDS0	N/A	Prefix Type: RBOC Switch Name: ROSEVILLE Switch Type: DMS100 LATA: Detroit MI (340) Tandem: WBFDMIMN20T 🔧 Explore Switch(CLLI: RSVLMIMNDS0))
586-498-5XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	ROSEVILLE	RSVLMIMNDS0	N/A	Prefix Type: RBOC Switch Name: ROSEVILLE Switch Type: DMS100 LATA: Detroit MI (340) Tandem: WBFDMIMN20T 🔧 Explore Switch(CLLI: RSVLMIMNDS0))
586-498-7XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	ROSEVILLE	RSVLMIMNDS0	N/A	Prefix Type: RBOC Switch Name: ROSEVILLE Switch Type: DMS100 LATA: Detroit MI (340) Tandem: WBFDMIMN20T 🔧 Explore Switch(CLLI: RSVLMIMNDS0))
586-498-8XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	ROSEVILLE	RSVLMIMNDS0	N/A	Prefix Type: RBOC Switch Name: ROSEVILLE Switch Type: DMS100 LATA: Detroit MI (340) Tandem: WBFDMIMN20T 🔧 Explore Switch(CLLI: RSVLMIMNDS0))
586-498-9XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	ROSEVILLE	RSVLMIMNDS0	N/A	Prefix Type: RBOC Switch Name: ROSEVILLE Switch Type: DMS100 LATA: Detroit MI (340) Tandem: WBFDMIMN20T 🔧 Explore Switch(CLLI: RSVLMIMNDS0))
586-532	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	UTICA	MTCLMICLDS0	00/00/0000	Prefix Type: RBOC Switch Name: MT CLEMENS CL Switch Type: DMS100 LATA: Detroit MI (340) Tandem: TROYMIMN55T 🔧 Explore Switch(CLLI: MTCLMICLDS0))
586-552	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	ROSEVILLE	RSVLMIMNDS0	00/00/0000	Prefix Type: RBOC Switch Name: ROSEVILLE Switch Type: DMS100 LATA: Detroit MI (340) Tandem: WBFDMIMN20T 🔧 Explore Switch(CLLI: RSVLMIMNDS0))
586-552 is split into 1,000-number blocks - detail below
586-552-1XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	ROSEVILLE	RSVLMIMNDS0	N/A	Prefix Type: RBOC Switch Name: ROSEVILLE Switch Type: DMS100 LATA: Detroit MI (340) Tandem: WBFDMIMN20T 🔧 Explore Switch(CLLI: RSVLMIMNDS0))
586-552-2XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	ROSEVILLE	RSVLMIMNDS0	N/A	Prefix Type: RBOC Switch Name: ROSEVILLE Switch Type: DMS100 LATA: Detroit MI (340) Tandem: WBFDMIMN20T 🔧 Explore Switch(CLLI: RSVLMIMNDS0))
586-552-4XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	ROSEVILLE	RSVLMIMNDS0	N/A	Prefix Type: RBOC Switch Name: ROSEVILLE Switch Type: DMS100 LATA: Detroit MI (340) Tandem: WBFDMIMN20T 🔧 Explore Switch(CLLI: RSVLMIMNDS0))
586-552-8XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	ROSEVILLE	RSVLMIMNDS0	N/A	Prefix Type: RBOC Switch Name: ROSEVILLE Switch Type: DMS100 LATA: Detroit MI (340) Tandem: WBFDMIMN20T 🔧 Explore Switch(CLLI: RSVLMIMNDS0))
586-558	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	CENTERLINE	WRRNMITLDS0	00/00/0000	Prefix Type: RBOC Switch Name: WARREN TECHLINE DS0 Switch Type: DMS100 LATA: Detroit MI (340) Tandem: WBFDMIMN20T 🔧 Explore Switch(CLLI: WRRNMITLDS0))
586-563	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	ROSEVILLE	RSVLMIMNDS0	00/00/0000	Prefix Type: RBOC Switch Name: ROSEVILLE Switch Type: DMS100 LATA: Detroit MI (340) Tandem: WBFDMIMN20T 🔧 Explore Switch(CLLI: RSVLMIMNDS0))
586-563 is split into 1,000-number blocks - detail below
586-563-1XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	ROSEVILLE	RSVLMIMNDS0	N/A	Prefix Type: RBOC Switch Name: ROSEVILLE Switch Type: DMS100 LATA: Detroit MI (340) Tandem: WBFDMIMN20T 🔧 Explore Switch(CLLI: RSVLMIMNDS0))
586-563-2XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	ROSEVILLE	RSVLMIMNDS0	N/A	Prefix Type: RBOC Switch Name: ROSEVILLE Switch Type: DMS100 LATA: Detroit MI (340) Tandem: WBFDMIMN20T 🔧 Explore Switch(CLLI: RSVLMIMNDS0))
586-566	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	UTICA	MTCLMICLDS0	00/00/0000	Prefix Type: RBOC Switch Name: MT CLEMENS CL Switch Type: DMS100 LATA: Detroit MI (340) Tandem: TROYMIMN55T 🔧 Explore Switch(CLLI: MTCLMICLDS0))
586-573	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	CENTERLINE	WRRNMITLDS0	00/00/0000	Prefix Type: RBOC Switch Name: WARREN TECHLINE DS0 Switch Type: DMS100 LATA: Detroit MI (340) Tandem: WBFDMIMN20T 🔧 Explore Switch(CLLI: WRRNMITLDS0))
586-574	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	CENTERLINE	WRRNMITLDS0	00/00/0000	Prefix Type: RBOC Switch Name: WARREN TECHLINE DS0 Switch Type: DMS100 LATA: Detroit MI (340) Tandem: WBFDMIMN20T 🔧 Explore Switch(CLLI: WRRNMITLDS0))
586-574 is split into 1,000-number blocks - detail below
586-574-0XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	CENTERLINE	WRRNMITLDS0	N/A	Prefix Type: RBOC Switch Name: WARREN TECHLINE DS0 Switch Type: DMS100 LATA: Detroit MI (340) Tandem: WBFDMIMN20T 🔧 Explore Switch(CLLI: WRRNMITLDS0))
586-574-1XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	CENTERLINE	WRRNMITLDS0	N/A	Prefix Type: RBOC Switch Name: WARREN TECHLINE DS0 Switch Type: DMS100 LATA: Detroit MI (340) Tandem: WBFDMIMN20T 🔧 Explore Switch(CLLI: WRRNMITLDS0))
586-574-2XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	CENTERLINE	WRRNMITLDS0	N/A	Prefix Type: RBOC Switch Name: WARREN TECHLINE DS0 Switch Type: DMS100 LATA: Detroit MI (340) Tandem: WBFDMIMN20T 🔧 Explore Switch(CLLI: WRRNMITLDS0))
586-574-3XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	CENTERLINE	WRRNMITLDS0	N/A	Prefix Type: RBOC Switch Name: WARREN TECHLINE DS0 Switch Type: DMS100 LATA: Detroit MI (340) Tandem: WBFDMIMN20T 🔧 Explore Switch(CLLI: WRRNMITLDS0))
586-574-4XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	CENTERLINE	WRRNMITLDS0	N/A	Prefix Type: RBOC Switch Name: WARREN TECHLINE DS0 Switch Type: DMS100 LATA: Detroit MI (340) Tandem: WBFDMIMN20T 🔧 Explore Switch(CLLI: WRRNMITLDS0))
586-574-9XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	CENTERLINE	WRRNMITLDS0	N/A	Prefix Type: RBOC Switch Name: WARREN TECHLINE DS0 Switch Type: DMS100 LATA: Detroit MI (340) Tandem: WBFDMIMN20T 🔧 Explore Switch(CLLI: WRRNMITLDS0))
586-575	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	CENTERLINE	WRRNMITLDS0	00/00/0000	Prefix Type: RBOC Switch Name: WARREN TECHLINE DS0 Switch Type: DMS100 LATA: Detroit MI (340) Tandem: WBFDMIMN20T 🔧 Explore Switch(CLLI: WRRNMITLDS0))
586-576	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	CENTERLINE	WRRNMITLDS0	00/00/0000	Prefix Type: RBOC Switch Name: WARREN TECHLINE DS0 Switch Type: DMS100 LATA: Detroit MI (340) Tandem: WBFDMIMN20T 🔧 Explore Switch(CLLI: WRRNMITLDS0))
586-576 is split into 1,000-number blocks - detail below
586-576-0XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	CENTERLINE	WRRNMITLDS0	N/A	Prefix Type: RBOC Switch Name: WARREN TECHLINE DS0 Switch Type: DMS100 LATA: Detroit MI (340) Tandem: WBFDMIMN20T 🔧 Explore Switch(CLLI: WRRNMITLDS0))
586-576-3XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	CENTERLINE	WRRNMITLDS0	N/A	Prefix Type: RBOC Switch Name: WARREN TECHLINE DS0 Switch Type: DMS100 LATA: Detroit MI (340) Tandem: WBFDMIMN20T 🔧 Explore Switch(CLLI: WRRNMITLDS0))
586-576-4XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	CENTERLINE	WRRNMITLDS0	N/A	Prefix Type: RBOC Switch Name: WARREN TECHLINE DS0 Switch Type: DMS100 LATA: Detroit MI (340) Tandem: WBFDMIMN20T 🔧 Explore Switch(CLLI: WRRNMITLDS0))
586-576-5XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	CENTERLINE	WRRNMITLDS0	N/A	Prefix Type: RBOC Switch Name: WARREN TECHLINE DS0 Switch Type: DMS100 LATA: Detroit MI (340) Tandem: WBFDMIMN20T 🔧 Explore Switch(CLLI: WRRNMITLDS0))
586-576-8XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	CENTERLINE	WRRNMITLDS0	N/A	Prefix Type: RBOC Switch Name: WARREN TECHLINE DS0 Switch Type: DMS100 LATA: Detroit MI (340) Tandem: WBFDMIMN20T 🔧 Explore Switch(CLLI: WRRNMITLDS0))
586-578	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	CENTERLINE	WRRNMITLDS0	00/00/0000	Prefix Type: RBOC Switch Name: WARREN TECHLINE DS0 Switch Type: DMS100 LATA: Detroit MI (340) Tandem: WBFDMIMN20T 🔧 Explore Switch(CLLI: WRRNMITLDS0))
586-578 is split into 1,000-number blocks - detail below
586-578-0XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	CENTERLINE	WRRNMITLDS0	N/A	Prefix Type: RBOC Switch Name: WARREN TECHLINE DS0 Switch Type: DMS100 LATA: Detroit MI (340) Tandem: WBFDMIMN20T 🔧 Explore Switch(CLLI: WRRNMITLDS0))
586-578-1XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	CENTERLINE	WRRNMITLDS0	N/A	Prefix Type: RBOC Switch Name: WARREN TECHLINE DS0 Switch Type: DMS100 LATA: Detroit MI (340) Tandem: WBFDMIMN20T 🔧 Explore Switch(CLLI: WRRNMITLDS0))
586-578-2XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	CENTERLINE	WRRNMITLDS0	N/A	Prefix Type: RBOC Switch Name: WARREN TECHLINE DS0 Switch Type: DMS100 LATA: Detroit MI (340) Tandem: WBFDMIMN20T 🔧 Explore Switch(CLLI: WRRNMITLDS0))
586-578-3XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	CENTERLINE	WRRNMITLDS0	N/A	Prefix Type: RBOC Switch Name: WARREN TECHLINE DS0 Switch Type: DMS100 LATA: Detroit MI (340) Tandem: WBFDMIMN20T 🔧 Explore Switch(CLLI: WRRNMITLDS0))
586-578-4XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	CENTERLINE	WRRNMITLDS0	N/A	Prefix Type: RBOC Switch Name: WARREN TECHLINE DS0 Switch Type: DMS100 LATA: Detroit MI (340) Tandem: WBFDMIMN20T 🔧 Explore Switch(CLLI: WRRNMITLDS0))
586-578-5XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	CENTERLINE	WRRNMITLDS0	N/A	Prefix Type: RBOC Switch Name: WARREN TECHLINE DS0 Switch Type: DMS100 LATA: Detroit MI (340) Tandem: WBFDMIMN20T 🔧 Explore Switch(CLLI: WRRNMITLDS0))
586-578-6XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	CENTERLINE	WRRNMITLDS0	N/A	Prefix Type: RBOC Switch Name: WARREN TECHLINE DS0 Switch Type: DMS100 LATA: Detroit MI (340) Tandem: WBFDMIMN20T 🔧 Explore Switch(CLLI: WRRNMITLDS0))
586-578-7XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	CENTERLINE	WRRNMITLDS0	N/A	Prefix Type: RBOC Switch Name: WARREN TECHLINE DS0 Switch Type: DMS100 LATA: Detroit MI (340) Tandem: WBFDMIMN20T 🔧 Explore Switch(CLLI: WRRNMITLDS0))
586-578-8XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	CENTERLINE	WRRNMITLDS0	N/A	Prefix Type: RBOC Switch Name: WARREN TECHLINE DS0 Switch Type: DMS100 LATA: Detroit MI (340) Tandem: WBFDMIMN20T 🔧 Explore Switch(CLLI: WRRNMITLDS0))
586-582	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	CENTERLINE	WRRNMITLDS0	00/00/0000	Prefix Type: RBOC Switch Name: WARREN TECHLINE DS0 Switch Type: DMS100 LATA: Detroit MI (340) Tandem: WBFDMIMN20T 🔧 Explore Switch(CLLI: WRRNMITLDS0))
586-582 is split into 1,000-number blocks - detail below
586-582-0XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	CENTERLINE	WRRNMITLDS0	N/A	Prefix Type: RBOC Switch Name: WARREN TECHLINE DS0 Switch Type: DMS100 LATA: Detroit MI (340) Tandem: WBFDMIMN20T 🔧 Explore Switch(CLLI: WRRNMITLDS0))
586-582-1XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	CENTERLINE	WRRNMITLDS0	N/A	Prefix Type: RBOC Switch Name: WARREN TECHLINE DS0 Switch Type: DMS100 LATA: Detroit MI (340) Tandem: WBFDMIMN20T 🔧 Explore Switch(CLLI: WRRNMITLDS0))
586-582-3XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	CENTERLINE	WRRNMITLDS0	N/A	Prefix Type: RBOC Switch Name: WARREN TECHLINE DS0 Switch Type: DMS100 LATA: Detroit MI (340) Tandem: WBFDMIMN20T 🔧 Explore Switch(CLLI: WRRNMITLDS0))
586-582-4XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	CENTERLINE	WRRNMITLDS0	N/A	Prefix Type: RBOC Switch Name: WARREN TECHLINE DS0 Switch Type: DMS100 LATA: Detroit MI (340) Tandem: WBFDMIMN20T 🔧 Explore Switch(CLLI: WRRNMITLDS0))
586-582-6XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	CENTERLINE	WRRNMITLDS0	N/A	Prefix Type: RBOC Switch Name: WARREN TECHLINE DS0 Switch Type: DMS100 LATA: Detroit MI (340) Tandem: WBFDMIMN20T 🔧 Explore Switch(CLLI: WRRNMITLDS0))
586-582-7XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	CENTERLINE	WRRNMITLDS0	N/A	Prefix Type: RBOC Switch Name: WARREN TECHLINE DS0 Switch Type: DMS100 LATA: Detroit MI (340) Tandem: WBFDMIMN20T 🔧 Explore Switch(CLLI: WRRNMITLDS0))
586-582-8XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	CENTERLINE	WRRNMITLDS0	N/A	Prefix Type: RBOC Switch Name: WARREN TECHLINE DS0 Switch Type: DMS100 LATA: Detroit MI (340) Tandem: WBFDMIMN20T 🔧 Explore Switch(CLLI: WRRNMITLDS0))
586-582-9XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	CENTERLINE	WRRNMITLDS0	N/A	Prefix Type: RBOC Switch Name: WARREN TECHLINE DS0 Switch Type: DMS100 LATA: Detroit MI (340) Tandem: WBFDMIMN20T 🔧 Explore Switch(CLLI: WRRNMITLDS0))
586-598	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	MT CLEMENS	MTCLMINRDS0	00/00/0000	Prefix Type: RBOC Switch Name: MT CLEMENS NR DS0 Switch Type: 5ESS LATA: Detroit MI (340) Tandem: TROYMIMN55T 🔧 Explore Switch(CLLI: MTCLMINRDS0))
586-677	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	WASHINGTON	WASHMIWADS0	00/00/0000	Prefix Type: RBOC Switch Name: WASHINGTON Switch Type: EWSD LATA: Detroit MI (340) Tandem: TROYMIMN55T 🔧 Explore Switch(CLLI: WASHMIWADS0))
586-716	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	NEWBALTIMR	NBMRMIMNRS1	00/00/0000	Prefix Type: RBOC Switch Name: NEW BALTIMORE RS1 Switch Type: N/A LATA: Detroit MI (340) Tandem: TROYMIMN55T 🔧 Explore Switch(CLLI: NBMRMIMNRS1))
586-716 is split into 1,000-number blocks - detail below
586-716-0XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	NEWBALTIMR	NBMRMIMNRS1	N/A	Prefix Type: RBOC Switch Name: NEW BALTIMORE RS1 Switch Type: N/A LATA: Detroit MI (340) Tandem: TROYMIMN55T 🔧 Explore Switch(CLLI: NBMRMIMNRS1))
586-716-1XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	NEWBALTIMR	NBMRMIMNRS1	N/A	Prefix Type: RBOC Switch Name: NEW BALTIMORE RS1 Switch Type: N/A LATA: Detroit MI (340) Tandem: TROYMIMN55T 🔧 Explore Switch(CLLI: NBMRMIMNRS1))
586-716-2XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	NEWBALTIMR	NBMRMIMNRS1	N/A	Prefix Type: RBOC Switch Name: NEW BALTIMORE RS1 Switch Type: N/A LATA: Detroit MI (340) Tandem: TROYMIMN55T 🔧 Explore Switch(CLLI: NBMRMIMNRS1))
586-716-3XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	NEWBALTIMR	NBMRMIMNRS1	N/A	Prefix Type: RBOC Switch Name: NEW BALTIMORE RS1 Switch Type: N/A LATA: Detroit MI (340) Tandem: TROYMIMN55T 🔧 Explore Switch(CLLI: NBMRMIMNRS1))
586-716-4XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	NEWBALTIMR	NBMRMIMNRS1	N/A	Prefix Type: RBOC Switch Name: NEW BALTIMORE RS1 Switch Type: N/A LATA: Detroit MI (340) Tandem: TROYMIMN55T 🔧 Explore Switch(CLLI: NBMRMIMNRS1))
586-716-5XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	NEWBALTIMR	NBMRMIMNRS1	N/A	Prefix Type: RBOC Switch Name: NEW BALTIMORE RS1 Switch Type: N/A LATA: Detroit MI (340) Tandem: TROYMIMN55T 🔧 Explore Switch(CLLI: NBMRMIMNRS1))
586-716-7XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	NEWBALTIMR	NBMRMIMNRS1	N/A	Prefix Type: RBOC Switch Name: NEW BALTIMORE RS1 Switch Type: N/A LATA: Detroit MI (340) Tandem: TROYMIMN55T 🔧 Explore Switch(CLLI: NBMRMIMNRS1))
586-716-8XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	NEWBALTIMR	NBMRMIMNRS1	N/A	Prefix Type: RBOC Switch Name: NEW BALTIMORE RS1 Switch Type: N/A LATA: Detroit MI (340) Tandem: TROYMIMN55T 🔧 Explore Switch(CLLI: NBMRMIMNRS1))
586-716-9XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	NEWBALTIMR	NBMRMIMNRS1	N/A	Prefix Type: RBOC Switch Name: NEW BALTIMORE RS1 Switch Type: N/A LATA: Detroit MI (340) Tandem: TROYMIMN55T 🔧 Explore Switch(CLLI: NBMRMIMNRS1))
586-725	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	NEWBALTIMR	NBMRMIMNRS1	00/00/0000	Prefix Type: RBOC Switch Name: NEW BALTIMORE RS1 Switch Type: N/A LATA: Detroit MI (340) Tandem: TROYMIMN55T 🔧 Explore Switch(CLLI: NBMRMIMNRS1))
586-726	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	UTICA	UTICMIMNDS0	00/00/0000	Prefix Type: RBOC Switch Name: UTICA DS0 Switch Type: DMS100 LATA: Detroit MI (340) Tandem: TROYMIMN55T 🔧 Explore Switch(CLLI: UTICMIMNDS0))
586-731	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	UTICA	UTICMIMNDS0	00/00/0000	Prefix Type: RBOC Switch Name: UTICA DS0 Switch Type: DMS100 LATA: Detroit MI (340) Tandem: TROYMIMN55T 🔧 Explore Switch(CLLI: UTICMIMNDS0))
586-739	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	UTICA	UTICMIMNDS0	00/00/0000	Prefix Type: RBOC Switch Name: UTICA DS0 Switch Type: DMS100 LATA: Detroit MI (340) Tandem: TROYMIMN55T 🔧 Explore Switch(CLLI: UTICMIMNDS0))
586-741	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	MT CLEMENS	RSVLMINRDS0	00/00/0000	Prefix Type: RBOC Switch Name: ROSEVILLE NR Switch Type: 5ESS LATA: Detroit MI (340) Tandem: WBFDMIMN20T 🔧 Explore Switch(CLLI: RSVLMINRDS0))
586-741 is split into 1,000-number blocks - detail below
586-741-0XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	MT CLEMENS	RSVLMINRDS0	N/A	Prefix Type: RBOC Switch Name: ROSEVILLE NR Switch Type: 5ESS LATA: Detroit MI (340) Tandem: WBFDMIMN20T 🔧 Explore Switch(CLLI: RSVLMINRDS0))
586-741-2XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	MT CLEMENS	RSVLMINRDS0	N/A	Prefix Type: RBOC Switch Name: ROSEVILLE NR Switch Type: 5ESS LATA: Detroit MI (340) Tandem: WBFDMIMN20T 🔧 Explore Switch(CLLI: RSVLMINRDS0))
586-741-4XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	MT CLEMENS	RSVLMINRDS0	N/A	Prefix Type: RBOC Switch Name: ROSEVILLE NR Switch Type: 5ESS LATA: Detroit MI (340) Tandem: WBFDMIMN20T 🔧 Explore Switch(CLLI: RSVLMINRDS0))
586-746	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	MT CLEMENS	RSVLMINRDS0	00/00/0000	Prefix Type: RBOC Switch Name: ROSEVILLE NR Switch Type: 5ESS LATA: Detroit MI (340) Tandem: WBFDMIMN20T 🔧 Explore Switch(CLLI: RSVLMINRDS0))
586-746 is split into 1,000-number blocks - detail below
586-746-1XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	MT CLEMENS	RSVLMINRDS0	N/A	Prefix Type: RBOC Switch Name: ROSEVILLE NR Switch Type: 5ESS LATA: Detroit MI (340) Tandem: WBFDMIMN20T 🔧 Explore Switch(CLLI: RSVLMINRDS0))
586-746-2XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	MT CLEMENS	RSVLMINRDS0	N/A	Prefix Type: RBOC Switch Name: ROSEVILLE NR Switch Type: 5ESS LATA: Detroit MI (340) Tandem: WBFDMIMN20T 🔧 Explore Switch(CLLI: RSVLMINRDS0))
586-746-3XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	MT CLEMENS	RSVLMINRDS0	N/A	Prefix Type: RBOC Switch Name: ROSEVILLE NR Switch Type: 5ESS LATA: Detroit MI (340) Tandem: WBFDMIMN20T 🔧 Explore Switch(CLLI: RSVLMINRDS0))
586-749	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	NEW HAVEN	NWHNMIMNRSA	00/00/0000	Prefix Type: RBOC Switch Name: NEW HAVEN Switch Type: N/A LATA: Detroit MI (340) Tandem: TROYMIMN55T 🔧 Explore Switch(CLLI: NWHNMIMNRSA))
586-751	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	CENTERLINE	WRRNMITLDS0	00/00/0000	Prefix Type: RBOC Switch Name: WARREN TECHLINE DS0 Switch Type: DMS100 LATA: Detroit MI (340) Tandem: WBFDMIMN20T 🔧 Explore Switch(CLLI: WRRNMITLDS0))
586-752	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	ROMEO	ROMOMIMNDS0	00/00/0000	Prefix Type: RBOC Switch Name: ROMEO DS0 Switch Type: DMS100 LATA: Detroit MI (340) Tandem: TROYMIMN55T 🔧 Explore Switch(CLLI: ROMOMIMNDS0))
586-753	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	CENTERLINE	WRRNMITLDS0	00/00/0000	Prefix Type: RBOC Switch Name: WARREN TECHLINE DS0 Switch Type: DMS100 LATA: Detroit MI (340) Tandem: WBFDMIMN20T 🔧 Explore Switch(CLLI: WRRNMITLDS0))
586-753 is split into 1,000-number blocks - detail below
586-753-0XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	CENTERLINE	WRRNMITLDS0	N/A	Prefix Type: RBOC Switch Name: WARREN TECHLINE DS0 Switch Type: DMS100 LATA: Detroit MI (340) Tandem: WBFDMIMN20T 🔧 Explore Switch(CLLI: WRRNMITLDS0))
586-753-1XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	CENTERLINE	WRRNMITLDS0	N/A	Prefix Type: RBOC Switch Name: WARREN TECHLINE DS0 Switch Type: DMS100 LATA: Detroit MI (340) Tandem: WBFDMIMN20T 🔧 Explore Switch(CLLI: WRRNMITLDS0))
586-753-2XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	CENTERLINE	WRRNMITLDS0	N/A	Prefix Type: RBOC Switch Name: WARREN TECHLINE DS0 Switch Type: DMS100 LATA: Detroit MI (340) Tandem: WBFDMIMN20T 🔧 Explore Switch(CLLI: WRRNMITLDS0))
586-753-3XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	CENTERLINE	WRRNMITLDS0	N/A	Prefix Type: RBOC Switch Name: WARREN TECHLINE DS0 Switch Type: DMS100 LATA: Detroit MI (340) Tandem: WBFDMIMN20T 🔧 Explore Switch(CLLI: WRRNMITLDS0))
586-753-4XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	CENTERLINE	WRRNMITLDS0	N/A	Prefix Type: RBOC Switch Name: WARREN TECHLINE DS0 Switch Type: DMS100 LATA: Detroit MI (340) Tandem: WBFDMIMN20T 🔧 Explore Switch(CLLI: WRRNMITLDS0))
586-753-8XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	CENTERLINE	WRRNMITLDS0	N/A	Prefix Type: RBOC Switch Name: WARREN TECHLINE DS0 Switch Type: DMS100 LATA: Detroit MI (340) Tandem: WBFDMIMN20T 🔧 Explore Switch(CLLI: WRRNMITLDS0))
586-753-9XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	CENTERLINE	WRRNMITLDS0	N/A	Prefix Type: RBOC Switch Name: WARREN TECHLINE DS0 Switch Type: DMS100 LATA: Detroit MI (340) Tandem: WBFDMIMN20T 🔧 Explore Switch(CLLI: WRRNMITLDS0))
586-754	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	CENTERLINE	CNLNMIMNRPA	00/00/0000	Prefix Type: RBOC Switch Name: CENTER LINE Switch Type: N/A LATA: Detroit MI (340) Tandem: N/A 🔧 Explore Switch(CLLI: CNLNMIMNRPA))
586-755	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	CENTERLINE	CNLNMIMNRPA	00/00/0000	Prefix Type: RBOC Switch Name: CENTER LINE Switch Type: N/A LATA: Detroit MI (340) Tandem: N/A 🔧 Explore Switch(CLLI: CNLNMIMNRPA))
586-756	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	CENTERLINE	CNLNMIMNRPA	00/00/0000	Prefix Type: RBOC Switch Name: CENTER LINE Switch Type: N/A LATA: Detroit MI (340) Tandem: N/A 🔧 Explore Switch(CLLI: CNLNMIMNRPA))
586-757	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	CENTERLINE	CNLNMIMNRPA	00/00/0000	Prefix Type: RBOC Switch Name: CENTER LINE Switch Type: N/A LATA: Detroit MI (340) Tandem: N/A 🔧 Explore Switch(CLLI: CNLNMIMNRPA))
586-758	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	CENTERLINE	CNLNMIMNRPA	00/00/0000	Prefix Type: RBOC Switch Name: CENTER LINE Switch Type: N/A LATA: Detroit MI (340) Tandem: N/A 🔧 Explore Switch(CLLI: CNLNMIMNRPA))
586-758 is split into 1,000-number blocks - detail below
586-758-0XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	CENTERLINE	CNLNMIMNRPA	N/A	Prefix Type: RBOC Switch Name: CENTER LINE Switch Type: N/A LATA: Detroit MI (340) Tandem: N/A 🔧 Explore Switch(CLLI: CNLNMIMNRPA))
586-758-1XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	CENTERLINE	CNLNMIMNRPA	N/A	Prefix Type: RBOC Switch Name: CENTER LINE Switch Type: N/A LATA: Detroit MI (340) Tandem: N/A 🔧 Explore Switch(CLLI: CNLNMIMNRPA))
586-758-2XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	CENTERLINE	CNLNMIMNRPA	N/A	Prefix Type: RBOC Switch Name: CENTER LINE Switch Type: N/A LATA: Detroit MI (340) Tandem: N/A 🔧 Explore Switch(CLLI: CNLNMIMNRPA))
586-758-3XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	CENTERLINE	CNLNMIMNRPA	N/A	Prefix Type: RBOC Switch Name: CENTER LINE Switch Type: N/A LATA: Detroit MI (340) Tandem: N/A 🔧 Explore Switch(CLLI: CNLNMIMNRPA))
586-758-4XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	CENTERLINE	CNLNMIMNRPA	N/A	Prefix Type: RBOC Switch Name: CENTER LINE Switch Type: N/A LATA: Detroit MI (340) Tandem: N/A 🔧 Explore Switch(CLLI: CNLNMIMNRPA))
586-758-5XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	CENTERLINE	CNLNMIMNRPA	N/A	Prefix Type: RBOC Switch Name: CENTER LINE Switch Type: N/A LATA: Detroit MI (340) Tandem: N/A 🔧 Explore Switch(CLLI: CNLNMIMNRPA))
586-758-6XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	CENTERLINE	CNLNMIMNRPA	N/A	Prefix Type: RBOC Switch Name: CENTER LINE Switch Type: N/A LATA: Detroit MI (340) Tandem: N/A 🔧 Explore Switch(CLLI: CNLNMIMNRPA))
586-758-7XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	CENTERLINE	CNLNMIMNRPA	N/A	Prefix Type: RBOC Switch Name: CENTER LINE Switch Type: N/A LATA: Detroit MI (340) Tandem: N/A 🔧 Explore Switch(CLLI: CNLNMIMNRPA))
586-758-8XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	CENTERLINE	CNLNMIMNRPA	N/A	Prefix Type: RBOC Switch Name: CENTER LINE Switch Type: N/A LATA: Detroit MI (340) Tandem: N/A 🔧 Explore Switch(CLLI: CNLNMIMNRPA))
586-759	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	CENTERLINE	CNLNMIMNRPA	00/00/0000	Prefix Type: RBOC Switch Name: CENTER LINE Switch Type: N/A LATA: Detroit MI (340) Tandem: N/A 🔧 Explore Switch(CLLI: CNLNMIMNRPA))
586-771	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	ROSEVILLE	RSVLMIMNDS0	00/00/0000	Prefix Type: RBOC Switch Name: ROSEVILLE Switch Type: DMS100 LATA: Detroit MI (340) Tandem: WBFDMIMN20T 🔧 Explore Switch(CLLI: RSVLMIMNDS0))
586-772	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	ROSEVILLE	RSVLMIMNDS0	00/00/0000	Prefix Type: RBOC Switch Name: ROSEVILLE Switch Type: DMS100 LATA: Detroit MI (340) Tandem: WBFDMIMN20T 🔧 Explore Switch(CLLI: RSVLMIMNDS0))
586-773	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	ROSEVILLE	RSVLMIMNDS0	00/00/0000	Prefix Type: RBOC Switch Name: ROSEVILLE Switch Type: DMS100 LATA: Detroit MI (340) Tandem: WBFDMIMN20T 🔧 Explore Switch(CLLI: RSVLMIMNDS0))
586-774	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	ROSEVILLE	RSVLMIMNDS0	00/00/0000	Prefix Type: RBOC Switch Name: ROSEVILLE Switch Type: DMS100 LATA: Detroit MI (340) Tandem: WBFDMIMN20T 🔧 Explore Switch(CLLI: RSVLMIMNDS0))
586-775	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	ROSEVILLE	RSVLMIMNDS0	00/00/0000	Prefix Type: RBOC Switch Name: ROSEVILLE Switch Type: DMS100 LATA: Detroit MI (340) Tandem: WBFDMIMN20T 🔧 Explore Switch(CLLI: RSVLMIMNDS0))
586-776	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	ROSEVILLE	RSVLMIMNDS0	00/00/0000	Prefix Type: RBOC Switch Name: ROSEVILLE Switch Type: DMS100 LATA: Detroit MI (340) Tandem: WBFDMIMN20T 🔧 Explore Switch(CLLI: RSVLMIMNDS0))
586-777	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	ROSEVILLE	RSVLMIMNDS0	00/00/0000	Prefix Type: RBOC Switch Name: ROSEVILLE Switch Type: DMS100 LATA: Detroit MI (340) Tandem: WBFDMIMN20T 🔧 Explore Switch(CLLI: RSVLMIMNDS0))
586-778	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	ROSEVILLE	RSVLMIMNDS0	00/00/0000	Prefix Type: RBOC Switch Name: ROSEVILLE Switch Type: DMS100 LATA: Detroit MI (340) Tandem: WBFDMIMN20T 🔧 Explore Switch(CLLI: RSVLMIMNDS0))
586-779	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	ROSEVILLE	RSVLMIMNDS0	00/00/0000	Prefix Type: RBOC Switch Name: ROSEVILLE Switch Type: DMS100 LATA: Detroit MI (340) Tandem: WBFDMIMN20T 🔧 Explore Switch(CLLI: RSVLMIMNDS0))
586-781	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	WASHINGTON	WASHMIWADS0	00/00/0000	Prefix Type: RBOC Switch Name: WASHINGTON Switch Type: EWSD LATA: Detroit MI (340) Tandem: TROYMIMN55T 🔧 Explore Switch(CLLI: WASHMIWADS0))
586-783	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	MT CLEMENS	MTCLMIMNDS0	00/00/0000	Prefix Type: RBOC Switch Name: MT CLEMENS DS0 Switch Type: DMS100 LATA: Detroit MI (340) Tandem: TROYMIMN55T 🔧 Explore Switch(CLLI: MTCLMIMNDS0))
586-784	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	ARMADA	ARMDMIMNRSA	00/00/0000	Prefix Type: RBOC Switch Name: ARMADA Switch Type: N/A LATA: Detroit MI (340) Tandem: TROYMIMN55T 🔧 Explore Switch(CLLI: ARMDMIMNRSA))
586-784 is split into 1,000-number blocks - detail below
586-784-2XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	ARMADA	ARMDMIMNRSA	N/A	Prefix Type: RBOC Switch Name: ARMADA Switch Type: N/A LATA: Detroit MI (340) Tandem: TROYMIMN55T 🔧 Explore Switch(CLLI: ARMDMIMNRSA))
586-784-4XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	ARMADA	ARMDMIMNRSA	N/A	Prefix Type: RBOC Switch Name: ARMADA Switch Type: N/A LATA: Detroit MI (340) Tandem: TROYMIMN55T 🔧 Explore Switch(CLLI: ARMDMIMNRSA))
586-784-5XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	ARMADA	ARMDMIMNRSA	N/A	Prefix Type: RBOC Switch Name: ARMADA Switch Type: N/A LATA: Detroit MI (340) Tandem: TROYMIMN55T 🔧 Explore Switch(CLLI: ARMDMIMNRSA))
586-784-8XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	ARMADA	ARMDMIMNRSA	N/A	Prefix Type: RBOC Switch Name: ARMADA Switch Type: N/A LATA: Detroit MI (340) Tandem: TROYMIMN55T 🔧 Explore Switch(CLLI: ARMDMIMNRSA))
586-784-9XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	ARMADA	ARMDMIMNRSA	N/A	Prefix Type: RBOC Switch Name: ARMADA Switch Type: N/A LATA: Detroit MI (340) Tandem: TROYMIMN55T 🔧 Explore Switch(CLLI: ARMDMIMNRSA))
586-786	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	WASHINGTON	WASHMIWADS0	00/00/0000	Prefix Type: RBOC Switch Name: WASHINGTON Switch Type: EWSD LATA: Detroit MI (340) Tandem: TROYMIMN55T 🔧 Explore Switch(CLLI: WASHMIWADS0))
586-786 is split into 1,000-number blocks - detail below
586-786-0XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	WASHINGTON	WASHMIWADS0	N/A	Prefix Type: RBOC Switch Name: WASHINGTON Switch Type: EWSD LATA: Detroit MI (340) Tandem: TROYMIMN55T 🔧 Explore Switch(CLLI: WASHMIWADS0))
586-786-1XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	WASHINGTON	WASHMIWADS0	N/A	Prefix Type: RBOC Switch Name: WASHINGTON Switch Type: EWSD LATA: Detroit MI (340) Tandem: TROYMIMN55T 🔧 Explore Switch(CLLI: WASHMIWADS0))
586-786-5XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	WASHINGTON	WASHMIWADS0	N/A	Prefix Type: RBOC Switch Name: WASHINGTON Switch Type: EWSD LATA: Detroit MI (340) Tandem: TROYMIMN55T 🔧 Explore Switch(CLLI: WASHMIWADS0))
586-786-6XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	WASHINGTON	WASHMIWADS0	N/A	Prefix Type: RBOC Switch Name: WASHINGTON Switch Type: EWSD LATA: Detroit MI (340) Tandem: TROYMIMN55T 🔧 Explore Switch(CLLI: WASHMIWADS0))
586-786-7XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	WASHINGTON	WASHMIWADS0	N/A	Prefix Type: RBOC Switch Name: WASHINGTON Switch Type: EWSD LATA: Detroit MI (340) Tandem: TROYMIMN55T 🔧 Explore Switch(CLLI: WASHMIWADS0))
586-786-9XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	WASHINGTON	WASHMIWADS0	N/A	Prefix Type: RBOC Switch Name: WASHINGTON Switch Type: EWSD LATA: Detroit MI (340) Tandem: TROYMIMN55T 🔧 Explore Switch(CLLI: WASHMIWADS0))
586-790	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	MT CLEMENS	RSVLMINRDS0	00/00/0000	Prefix Type: RBOC Switch Name: ROSEVILLE NR Switch Type: 5ESS LATA: Detroit MI (340) Tandem: WBFDMIMN20T 🔧 Explore Switch(CLLI: RSVLMINRDS0))
586-791	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	MT CLEMENS	RSVLMINRDS0	00/00/0000	Prefix Type: RBOC Switch Name: ROSEVILLE NR Switch Type: 5ESS LATA: Detroit MI (340) Tandem: WBFDMIMN20T 🔧 Explore Switch(CLLI: RSVLMINRDS0))
586-792	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	MT CLEMENS	RSVLMINRDS0	00/00/0000	Prefix Type: RBOC Switch Name: ROSEVILLE NR Switch Type: 5ESS LATA: Detroit MI (340) Tandem: WBFDMIMN20T 🔧 Explore Switch(CLLI: RSVLMINRDS0))
586-795	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	WARREN	WRRNMIMNRPA	00/00/0000	Prefix Type: RBOC Switch Name: WARREN Switch Type: N/A LATA: Detroit MI (340) Tandem: N/A 🔧 Explore Switch(CLLI: WRRNMIMNRPA))
586-803	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	UTICA	UTICMIMNDS0	00/00/0000	Prefix Type: RBOC Switch Name: UTICA DS0 Switch Type: DMS100 LATA: Detroit MI (340) Tandem: TROYMIMN55T 🔧 Explore Switch(CLLI: UTICMIMNDS0))
586-803 is split into 1,000-number blocks - detail below
586-803-0XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	UTICA	UTICMIMNDS0	N/A	Prefix Type: RBOC Switch Name: UTICA DS0 Switch Type: DMS100 LATA: Detroit MI (340) Tandem: TROYMIMN55T 🔧 Explore Switch(CLLI: UTICMIMNDS0))
586-803-1XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	UTICA	UTICMIMNDS0	N/A	Prefix Type: RBOC Switch Name: UTICA DS0 Switch Type: DMS100 LATA: Detroit MI (340) Tandem: TROYMIMN55T 🔧 Explore Switch(CLLI: UTICMIMNDS0))
586-803-2XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	UTICA	UTICMIMNDS0	N/A	Prefix Type: RBOC Switch Name: UTICA DS0 Switch Type: DMS100 LATA: Detroit MI (340) Tandem: TROYMIMN55T 🔧 Explore Switch(CLLI: UTICMIMNDS0))
586-803-5XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	UTICA	UTICMIMNDS0	N/A	Prefix Type: RBOC Switch Name: UTICA DS0 Switch Type: DMS100 LATA: Detroit MI (340) Tandem: TROYMIMN55T 🔧 Explore Switch(CLLI: UTICMIMNDS0))
586-803-6XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	UTICA	UTICMIMNDS0	N/A	Prefix Type: RBOC Switch Name: UTICA DS0 Switch Type: DMS100 LATA: Detroit MI (340) Tandem: TROYMIMN55T 🔧 Explore Switch(CLLI: UTICMIMNDS0))
586-825	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	WARREN	WRRNMIMNRPA	00/00/0000	Prefix Type: RBOC Switch Name: WARREN Switch Type: N/A LATA: Detroit MI (340) Tandem: N/A 🔧 Explore Switch(CLLI: WRRNMIMNRPA))
586-825 is split into 1,000-number blocks - detail below
586-825-0XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	WARREN	WRRNMIMNRPA	N/A	Prefix Type: RBOC Switch Name: WARREN Switch Type: N/A LATA: Detroit MI (340) Tandem: N/A 🔧 Explore Switch(CLLI: WRRNMIMNRPA))
586-825-1XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	WARREN	WRRNMIMNRPA	N/A	Prefix Type: RBOC Switch Name: WARREN Switch Type: N/A LATA: Detroit MI (340) Tandem: N/A 🔧 Explore Switch(CLLI: WRRNMIMNRPA))
586-825-2XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	WARREN	WRRNMIMNRPA	N/A	Prefix Type: RBOC Switch Name: WARREN Switch Type: N/A LATA: Detroit MI (340) Tandem: N/A 🔧 Explore Switch(CLLI: WRRNMIMNRPA))
586-825-4XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	WARREN	WRRNMIMNRPA	N/A	Prefix Type: RBOC Switch Name: WARREN Switch Type: N/A LATA: Detroit MI (340) Tandem: N/A 🔧 Explore Switch(CLLI: WRRNMIMNRPA))
586-825-5XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	WARREN	WRRNMIMNRPA	N/A	Prefix Type: RBOC Switch Name: WARREN Switch Type: N/A LATA: Detroit MI (340) Tandem: N/A 🔧 Explore Switch(CLLI: WRRNMIMNRPA))
586-825-6XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	WARREN	WRRNMIMNRPA	N/A	Prefix Type: RBOC Switch Name: WARREN Switch Type: N/A LATA: Detroit MI (340) Tandem: N/A 🔧 Explore Switch(CLLI: WRRNMIMNRPA))
586-825-7XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	WARREN	WRRNMIMNRPA	N/A	Prefix Type: RBOC Switch Name: WARREN Switch Type: N/A LATA: Detroit MI (340) Tandem: N/A 🔧 Explore Switch(CLLI: WRRNMIMNRPA))
586-825-8XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	WARREN	WRRNMIMNRPA	N/A	Prefix Type: RBOC Switch Name: WARREN Switch Type: N/A LATA: Detroit MI (340) Tandem: N/A 🔧 Explore Switch(CLLI: WRRNMIMNRPA))
586-826	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	WARREN	WRRNMIMNRPA	00/00/0000	Prefix Type: RBOC Switch Name: WARREN Switch Type: N/A LATA: Detroit MI (340) Tandem: N/A 🔧 Explore Switch(CLLI: WRRNMIMNRPA))
586-868 is split into 1,000-number blocks - detail below
586-868-9XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	MT CLEMENS	MTCLMICLDS0	05/11/2007	Prefix Type: RBOC Switch Name: MT CLEMENS CL Switch Type: DMS100 LATA: Detroit MI (340) Tandem: TROYMIMN55T 🔧 Explore Switch(CLLI: MTCLMICLDS0))
586-939	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	WARREN	WRRNMIMNRPA	00/00/0000	Prefix Type: RBOC Switch Name: WARREN Switch Type: N/A LATA: Detroit MI (340) Tandem: N/A 🔧 Explore Switch(CLLI: WRRNMIMNRPA))
586-947	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	CENTERLINE	WRRNMITLDS0	00/00/0000	Prefix Type: RBOC Switch Name: WARREN TECHLINE DS0 Switch Type: DMS100 LATA: Detroit MI (340) Tandem: WBFDMIMN20T 🔧 Explore Switch(CLLI: WRRNMITLDS0))
586-948	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	MT CLEMENS	MTCLMINRDS0	00/00/0000	Prefix Type: RBOC Switch Name: MT CLEMENS NR DS0 Switch Type: 5ESS LATA: Detroit MI (340) Tandem: TROYMIMN55T 🔧 Explore Switch(CLLI: MTCLMINRDS0))
586-948 is split into 1,000-number blocks - detail below
586-948-0XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	MT CLEMENS	MTCLMINRDS0	N/A	Prefix Type: RBOC Switch Name: MT CLEMENS NR DS0 Switch Type: 5ESS LATA: Detroit MI (340) Tandem: TROYMIMN55T 🔧 Explore Switch(CLLI: MTCLMINRDS0))
586-948-1XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	MT CLEMENS	MTCLMINRDS0	N/A	Prefix Type: RBOC Switch Name: MT CLEMENS NR DS0 Switch Type: 5ESS LATA: Detroit MI (340) Tandem: TROYMIMN55T 🔧 Explore Switch(CLLI: MTCLMINRDS0))
586-948-2XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	MT CLEMENS	MTCLMINRDS0	N/A	Prefix Type: RBOC Switch Name: MT CLEMENS NR DS0 Switch Type: 5ESS LATA: Detroit MI (340) Tandem: TROYMIMN55T 🔧 Explore Switch(CLLI: MTCLMINRDS0))
586-948-3XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	MT CLEMENS	MTCLMINRDS0	N/A	Prefix Type: RBOC Switch Name: MT CLEMENS NR DS0 Switch Type: 5ESS LATA: Detroit MI (340) Tandem: TROYMIMN55T 🔧 Explore Switch(CLLI: MTCLMINRDS0))
586-948-4XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	MT CLEMENS	MTCLMINRDS0	N/A	Prefix Type: RBOC Switch Name: MT CLEMENS NR DS0 Switch Type: 5ESS LATA: Detroit MI (340) Tandem: TROYMIMN55T 🔧 Explore Switch(CLLI: MTCLMINRDS0))
586-948-5XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	MT CLEMENS	MTCLMINRDS0	N/A	Prefix Type: RBOC Switch Name: MT CLEMENS NR DS0 Switch Type: 5ESS LATA: Detroit MI (340) Tandem: TROYMIMN55T 🔧 Explore Switch(CLLI: MTCLMINRDS0))
586-948-6XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	MT CLEMENS	MTCLMINRDS0	N/A	Prefix Type: RBOC Switch Name: MT CLEMENS NR DS0 Switch Type: 5ESS LATA: Detroit MI (340) Tandem: TROYMIMN55T 🔧 Explore Switch(CLLI: MTCLMINRDS0))
586-949	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	MT CLEMENS	MTCLMINRDS0	00/00/0000	Prefix Type: RBOC Switch Name: MT CLEMENS NR DS0 Switch Type: 5ESS LATA: Detroit MI (340) Tandem: TROYMIMN55T 🔧 Explore Switch(CLLI: MTCLMINRDS0))
586-954	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	MT CLEMENS	MTCLMIMNDS0	00/00/0000	Prefix Type: RBOC Switch Name: MT CLEMENS DS0 Switch Type: DMS100 LATA: Detroit MI (340) Tandem: TROYMIMN55T 🔧 Explore Switch(CLLI: MTCLMIMNDS0))
586-977	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	WARREN	WRRNMIMNRPA	00/00/0000	Prefix Type: RBOC Switch Name: WARREN Switch Type: N/A LATA: Detroit MI (340) Tandem: N/A 🔧 Explore Switch(CLLI: WRRNMIMNRPA))
586-978	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	WARREN	WRRNMIMNRPA	00/00/0000	Prefix Type: RBOC Switch Name: WARREN Switch Type: N/A LATA: Detroit MI (340) Tandem: N/A 🔧 Explore Switch(CLLI: WRRNMIMNRPA))
586-979	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	WARREN	WRRNMIMNRPA	00/00/0000	Prefix Type: RBOC Switch Name: WARREN Switch Type: N/A LATA: Detroit MI (340) Tandem: N/A 🔧 Explore Switch(CLLI: WRRNMIMNRPA))
586-983	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	WARREN	WRRNMIMNRPA	00/00/0000	Prefix Type: RBOC Switch Name: WARREN Switch Type: N/A LATA: Detroit MI (340) Tandem: N/A 🔧 Explore Switch(CLLI: WRRNMIMNRPA))
586-983 is split into 1,000-number blocks - detail below
586-983-0XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	WARREN	WRRNMIMNRPA	N/A	Prefix Type: RBOC Switch Name: WARREN Switch Type: N/A LATA: Detroit MI (340) Tandem: N/A 🔧 Explore Switch(CLLI: WRRNMIMNRPA))
586-983-1XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	WARREN	WRRNMIMNRPA	N/A	Prefix Type: RBOC Switch Name: WARREN Switch Type: N/A LATA: Detroit MI (340) Tandem: N/A 🔧 Explore Switch(CLLI: WRRNMIMNRPA))
586-983-2XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	WARREN	WRRNMIMNRPA	N/A	Prefix Type: RBOC Switch Name: WARREN Switch Type: N/A LATA: Detroit MI (340) Tandem: N/A 🔧 Explore Switch(CLLI: WRRNMIMNRPA))
586-983-3XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	WARREN	WRRNMIMNRPA	N/A	Prefix Type: RBOC Switch Name: WARREN Switch Type: N/A LATA: Detroit MI (340) Tandem: N/A 🔧 Explore Switch(CLLI: WRRNMIMNRPA))
586-983-4XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	WARREN	WRRNMIMNRPA	N/A	Prefix Type: RBOC Switch Name: WARREN Switch Type: N/A LATA: Detroit MI (340) Tandem: N/A 🔧 Explore Switch(CLLI: WRRNMIMNRPA))
586-983-5XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	WARREN	WRRNMIMNRPA	N/A	Prefix Type: RBOC Switch Name: WARREN Switch Type: N/A LATA: Detroit MI (340) Tandem: N/A 🔧 Explore Switch(CLLI: WRRNMIMNRPA))
586-983-7XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	WARREN	WRRNMIMNRPA	N/A	Prefix Type: RBOC Switch Name: WARREN Switch Type: N/A LATA: Detroit MI (340) Tandem: N/A 🔧 Explore Switch(CLLI: WRRNMIMNRPA))
586-986	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	CENTERLINE	WRRNMITLDS0	00/00/0000	Prefix Type: RBOC Switch Name: WARREN TECHLINE DS0 Switch Type: DMS100 LATA: Detroit MI (340) Tandem: WBFDMIMN20T 🔧 Explore Switch(CLLI: WRRNMITLDS0))
586-991	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	UTICA	UTICMIMNDS0	04/20/2001	Prefix Type: RBOC Switch Name: UTICA DS0 Switch Type: DMS100 LATA: Detroit MI (340) Tandem: TROYMIMN55T 🔧 Explore Switch(CLLI: UTICMIMNDS0))
586-991 is split into 1,000-number blocks - detail below
586-991-0XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	UTICA	UTICMIMNDS0	N/A	Prefix Type: RBOC Switch Name: UTICA DS0 Switch Type: DMS100 LATA: Detroit MI (340) Tandem: TROYMIMN55T 🔧 Explore Switch(CLLI: UTICMIMNDS0))
586-991-2XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	UTICA	UTICMIMNDS0	N/A	Prefix Type: RBOC Switch Name: UTICA DS0 Switch Type: DMS100 LATA: Detroit MI (340) Tandem: TROYMIMN55T 🔧 Explore Switch(CLLI: UTICMIMNDS0))
586-992	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	WASHINGTON	WASHMIWADS0	05/16/2001	Prefix Type: RBOC Switch Name: WASHINGTON Switch Type: EWSD LATA: Detroit MI (340) Tandem: TROYMIMN55T 🔧 Explore Switch(CLLI: WASHMIWADS0))
586-992 is split into 1,000-number blocks - detail below
586-992-0XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	WASHINGTON	WASHMIWADS0	N/A	Prefix Type: RBOC Switch Name: WASHINGTON Switch Type: EWSD LATA: Detroit MI (340) Tandem: TROYMIMN55T 🔧 Explore Switch(CLLI: WASHMIWADS0))
586-992-1XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	WASHINGTON	WASHMIWADS0	N/A	Prefix Type: RBOC Switch Name: WASHINGTON Switch Type: EWSD LATA: Detroit MI (340) Tandem: TROYMIMN55T 🔧 Explore Switch(CLLI: WASHMIWADS0))
586-992-2XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	WASHINGTON	WASHMIWADS0	N/A	Prefix Type: RBOC Switch Name: WASHINGTON Switch Type: EWSD LATA: Detroit MI (340) Tandem: TROYMIMN55T 🔧 Explore Switch(CLLI: WASHMIWADS0))
586-992-3XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	WASHINGTON	WASHMIWADS0	N/A	Prefix Type: RBOC Switch Name: WASHINGTON Switch Type: EWSD LATA: Detroit MI (340) Tandem: TROYMIMN55T 🔧 Explore Switch(CLLI: WASHMIWADS0))
586-992-8XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	WASHINGTON	WASHMIWADS0	N/A	Prefix Type: RBOC Switch Name: WASHINGTON Switch Type: EWSD LATA: Detroit MI (340) Tandem: TROYMIMN55T 🔧 Explore Switch(CLLI: WASHMIWADS0))
586-992-9XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	WASHINGTON	WASHMIWADS0	N/A	Prefix Type: RBOC Switch Name: WASHINGTON Switch Type: EWSD LATA: Detroit MI (340) Tandem: TROYMIMN55T 🔧 Explore Switch(CLLI: WASHMIWADS0))
586-997	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	UTICA	UTICMIMNDS0	00/00/0000	Prefix Type: RBOC Switch Name: UTICA DS0 Switch Type: DMS100 LATA: Detroit MI (340) Tandem: TROYMIMN55T 🔧 Explore Switch(CLLI: UTICMIMNDS0))
586-997 is split into 1,000-number blocks - detail below
586-997-0XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	UTICA	UTICMIMNDS0	N/A	Prefix Type: RBOC Switch Name: UTICA DS0 Switch Type: DMS100 LATA: Detroit MI (340) Tandem: TROYMIMN55T 🔧 Explore Switch(CLLI: UTICMIMNDS0))
586-997-1XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	UTICA	UTICMIMNDS0	N/A	Prefix Type: RBOC Switch Name: UTICA DS0 Switch Type: DMS100 LATA: Detroit MI (340) Tandem: TROYMIMN55T 🔧 Explore Switch(CLLI: UTICMIMNDS0))
586-997-2XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	UTICA	UTICMIMNDS0	N/A	Prefix Type: RBOC Switch Name: UTICA DS0 Switch Type: DMS100 LATA: Detroit MI (340) Tandem: TROYMIMN55T 🔧 Explore Switch(CLLI: UTICMIMNDS0))
586-997-3XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	UTICA	UTICMIMNDS0	N/A	Prefix Type: RBOC Switch Name: UTICA DS0 Switch Type: DMS100 LATA: Detroit MI (340) Tandem: TROYMIMN55T 🔧 Explore Switch(CLLI: UTICMIMNDS0))
586-997-4XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	UTICA	UTICMIMNDS0	N/A	Prefix Type: RBOC Switch Name: UTICA DS0 Switch Type: DMS100 LATA: Detroit MI (340) Tandem: TROYMIMN55T 🔧 Explore Switch(CLLI: UTICMIMNDS0))
586-997-5XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	UTICA	UTICMIMNDS0	N/A	Prefix Type: RBOC Switch Name: UTICA DS0 Switch Type: DMS100 LATA: Detroit MI (340) Tandem: TROYMIMN55T 🔧 Explore Switch(CLLI: UTICMIMNDS0))
586-997-6XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	UTICA	UTICMIMNDS0	N/A	Prefix Type: RBOC Switch Name: UTICA DS0 Switch Type: DMS100 LATA: Detroit MI (340) Tandem: TROYMIMN55T 🔧 Explore Switch(CLLI: UTICMIMNDS0))
586-997-9XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	UTICA	UTICMIMNDS0	N/A	Prefix Type: RBOC Switch Name: UTICA DS0 Switch Type: DMS100 LATA: Detroit MI (340) Tandem: TROYMIMN55T 🔧 Explore Switch(CLLI: UTICMIMNDS0))
616-219	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	DUTTON	DTTNMIMNDS0	09/16/2013	Prefix Type: RBOC Switch Name: DUTTON MN Switch Type: DMS100 LATA: Grand Rapids MI (348) Tandem: GDRPMIBL10T 🔧 Explore Switch(CLLI: DTTNMIMNDS0))
616-219 is split into 1,000-number blocks - detail below
616-219-6XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	DUTTON	DTTNMIMNDS0	04/15/2014	Prefix Type: RBOC Switch Name: DUTTON MN Switch Type: DMS100 LATA: Grand Rapids MI (348) Tandem: GDRPMIBL10T 🔧 Explore Switch(CLLI: DTTNMIMNDS0))
616-219-7XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	DUTTON	DTTNMIMNDS0	04/15/2014	Prefix Type: RBOC Switch Name: DUTTON MN Switch Type: DMS100 LATA: Grand Rapids MI (348) Tandem: GDRPMIBL10T 🔧 Explore Switch(CLLI: DTTNMIMNDS0))
616-225	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	GREENVILLE	GNVLMIMNRS1	00/00/0000	Prefix Type: RBOC Switch Name: GREENVILLE Switch Type: N/A LATA: Grand Rapids MI (348) Tandem: GDRPMIBL21T 🔧 Explore Switch(CLLI: GNVLMIMNRS1))
616-233	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	GRAND RPDS	GDRPMIBLDS1	00/00/0000	Prefix Type: RBOC Switch Name: GRAND RAPIDS BL DS1 Switch Type: DMS100 LATA: Grand Rapids MI (348) Tandem: GDRPMIBL21T 🔧 Explore Switch(CLLI: GDRPMIBLDS1))
616-234	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	GRAND RPDS	GDRPMIBLDS1	00/00/0000	Prefix Type: RBOC Switch Name: GRAND RAPIDS BL DS1 Switch Type: DMS100 LATA: Grand Rapids MI (348) Tandem: GDRPMIBL21T 🔧 Explore Switch(CLLI: GDRPMIBLDS1))
616-235	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	GRAND RPDS	GDRPMIBLDS1	00/00/0000	Prefix Type: RBOC Switch Name: GRAND RAPIDS BL DS1 Switch Type: DMS100 LATA: Grand Rapids MI (348) Tandem: GDRPMIBL21T 🔧 Explore Switch(CLLI: GDRPMIBLDS1))
616-241	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	GRAND RPDS	GDRPMISODS0	00/00/0000	Prefix Type: RBOC Switch Name: GRAND RAPIDS SO DS0 Switch Type: DMS100 LATA: Grand Rapids MI (348) Tandem: GDRPMIBL10T 🔧 Explore Switch(CLLI: GDRPMISODS0))
616-242	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	GRAND RPDS	GDRPMIBLDS1	00/00/0000	Prefix Type: RBOC Switch Name: GRAND RAPIDS BL DS1 Switch Type: DMS100 LATA: Grand Rapids MI (348) Tandem: GDRPMIBL21T 🔧 Explore Switch(CLLI: GDRPMIBLDS1))
616-243	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	GRAND RPDS	GDRPMISODS0	00/00/0000	Prefix Type: RBOC Switch Name: GRAND RAPIDS SO DS0 Switch Type: DMS100 LATA: Grand Rapids MI (348) Tandem: GDRPMIBL10T 🔧 Explore Switch(CLLI: GDRPMISODS0))
616-245	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	GRAND RPDS	GDRPMISODS0	00/00/0000	Prefix Type: RBOC Switch Name: GRAND RAPIDS SO DS0 Switch Type: DMS100 LATA: Grand Rapids MI (348) Tandem: GDRPMIBL10T 🔧 Explore Switch(CLLI: GDRPMISODS0))
616-246	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	GRAND RPDS	GDRPMISODS0	00/00/0000	Prefix Type: RBOC Switch Name: GRAND RAPIDS SO DS0 Switch Type: DMS100 LATA: Grand Rapids MI (348) Tandem: GDRPMIBL10T 🔧 Explore Switch(CLLI: GDRPMISODS0))
616-247	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	GRAND RPDS	GDRPMISODS0	00/00/0000	Prefix Type: RBOC Switch Name: GRAND RAPIDS SO DS0 Switch Type: DMS100 LATA: Grand Rapids MI (348) Tandem: GDRPMIBL10T 🔧 Explore Switch(CLLI: GDRPMISODS0))
616-248	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	GRAND RPDS	GDRPMISODS0	00/00/0000	Prefix Type: RBOC Switch Name: GRAND RAPIDS SO DS0 Switch Type: DMS100 LATA: Grand Rapids MI (348) Tandem: GDRPMIBL10T 🔧 Explore Switch(CLLI: GDRPMISODS0))
616-249	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	GRAND RPDS	WYNGMILXDS0	00/00/0000	Prefix Type: RBOC Switch Name: WYOMING LENOX Switch Type: DMS100 LATA: Grand Rapids MI (348) Tandem: GDRPMIBL10T 🔧 Explore Switch(CLLI: WYNGMILXDS0))
616-252	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	GRAND RPDS	GDRPMISODS0	00/00/0000	Prefix Type: RBOC Switch Name: GRAND RAPIDS SO DS0 Switch Type: DMS100 LATA: Grand Rapids MI (348) Tandem: GDRPMIBL10T 🔧 Explore Switch(CLLI: GDRPMISODS0))
616-252 is split into 1,000-number blocks - detail below
616-252-0XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	GRAND RPDS	GDRPMISODS0	N/A	Prefix Type: RBOC Switch Name: GRAND RAPIDS SO DS0 Switch Type: DMS100 LATA: Grand Rapids MI (348) Tandem: GDRPMIBL10T 🔧 Explore Switch(CLLI: GDRPMISODS0))
616-252-1XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	GRAND RPDS	GDRPMISODS0	N/A	Prefix Type: RBOC Switch Name: GRAND RAPIDS SO DS0 Switch Type: DMS100 LATA: Grand Rapids MI (348) Tandem: GDRPMIBL10T 🔧 Explore Switch(CLLI: GDRPMISODS0))
616-252-2XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	GRAND RPDS	GDRPMISODS0	N/A	Prefix Type: RBOC Switch Name: GRAND RAPIDS SO DS0 Switch Type: DMS100 LATA: Grand Rapids MI (348) Tandem: GDRPMIBL10T 🔧 Explore Switch(CLLI: GDRPMISODS0))
616-252-3XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	GRAND RPDS	GDRPMISODS0	N/A	Prefix Type: RBOC Switch Name: GRAND RAPIDS SO DS0 Switch Type: DMS100 LATA: Grand Rapids MI (348) Tandem: GDRPMIBL10T 🔧 Explore Switch(CLLI: GDRPMISODS0))
616-252-4XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	GRAND RPDS	GDRPMISODS0	N/A	Prefix Type: RBOC Switch Name: GRAND RAPIDS SO DS0 Switch Type: DMS100 LATA: Grand Rapids MI (348) Tandem: GDRPMIBL10T 🔧 Explore Switch(CLLI: GDRPMISODS0))
616-252-5XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	GRAND RPDS	GDRPMISODS0	N/A	Prefix Type: RBOC Switch Name: GRAND RAPIDS SO DS0 Switch Type: DMS100 LATA: Grand Rapids MI (348) Tandem: GDRPMIBL10T 🔧 Explore Switch(CLLI: GDRPMISODS0))
616-252-6XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	GRAND RPDS	GDRPMISODS0	N/A	Prefix Type: RBOC Switch Name: GRAND RAPIDS SO DS0 Switch Type: DMS100 LATA: Grand Rapids MI (348) Tandem: GDRPMIBL10T 🔧 Explore Switch(CLLI: GDRPMISODS0))
616-252-7XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	GRAND RPDS	GDRPMISODS0	N/A	Prefix Type: RBOC Switch Name: GRAND RAPIDS SO DS0 Switch Type: DMS100 LATA: Grand Rapids MI (348) Tandem: GDRPMIBL10T 🔧 Explore Switch(CLLI: GDRPMISODS0))
616-252-8XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	GRAND RPDS	GDRPMISODS0	N/A	Prefix Type: RBOC Switch Name: GRAND RAPIDS SO DS0 Switch Type: DMS100 LATA: Grand Rapids MI (348) Tandem: GDRPMIBL10T 🔧 Explore Switch(CLLI: GDRPMISODS0))
616-257	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	GRAND RPDS	WYNGMILXDS0	00/00/0000	Prefix Type: RBOC Switch Name: WYOMING LENOX Switch Type: DMS100 LATA: Grand Rapids MI (348) Tandem: GDRPMIBL10T 🔧 Explore Switch(CLLI: WYNGMILXDS0))
616-261	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	GRAND RPDS	WYNGMILXDS0	00/00/0000	Prefix Type: RBOC Switch Name: WYOMING LENOX Switch Type: DMS100 LATA: Grand Rapids MI (348) Tandem: GDRPMIBL10T 🔧 Explore Switch(CLLI: WYNGMILXDS0))
616-267	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	GRAND RPDS	GDRPMIESDS1	04/10/2008	Prefix Type: RBOC Switch Name: GRAND RAPIDS ES DS1 Switch Type: DMS100 LATA: Grand Rapids MI (348) Tandem: GDRPMIBL21T 🔧 Explore Switch(CLLI: GDRPMIESDS1))
616-267 is split into 1,000-number blocks - detail below
616-267-0XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	GRAND RPDS	GDRPMIESDS1	04/11/2008	Prefix Type: RBOC Switch Name: GRAND RAPIDS ES DS1 Switch Type: DMS100 LATA: Grand Rapids MI (348) Tandem: GDRPMIBL21T 🔧 Explore Switch(CLLI: GDRPMIESDS1))
616-267-1XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	GRAND RPDS	GDRPMIESDS1	04/11/2008	Prefix Type: RBOC Switch Name: GRAND RAPIDS ES DS1 Switch Type: DMS100 LATA: Grand Rapids MI (348) Tandem: GDRPMIBL21T 🔧 Explore Switch(CLLI: GDRPMIESDS1))
616-267-2XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	GRAND RPDS	GDRPMIESDS1	04/11/2008	Prefix Type: RBOC Switch Name: GRAND RAPIDS ES DS1 Switch Type: DMS100 LATA: Grand Rapids MI (348) Tandem: GDRPMIBL21T 🔧 Explore Switch(CLLI: GDRPMIESDS1))
616-267-3XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	GRAND RPDS	GDRPMIESDS1	04/11/2008	Prefix Type: RBOC Switch Name: GRAND RAPIDS ES DS1 Switch Type: DMS100 LATA: Grand Rapids MI (348) Tandem: GDRPMIBL21T 🔧 Explore Switch(CLLI: GDRPMIESDS1))
616-267-4XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	GRAND RPDS	GDRPMIESDS1	04/11/2008	Prefix Type: RBOC Switch Name: GRAND RAPIDS ES DS1 Switch Type: DMS100 LATA: Grand Rapids MI (348) Tandem: GDRPMIBL21T 🔧 Explore Switch(CLLI: GDRPMIESDS1))
616-267-5XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	GRAND RPDS	GDRPMIESDS1	04/11/2008	Prefix Type: RBOC Switch Name: GRAND RAPIDS ES DS1 Switch Type: DMS100 LATA: Grand Rapids MI (348) Tandem: GDRPMIBL21T 🔧 Explore Switch(CLLI: GDRPMIESDS1))
616-267-6XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	GRAND RPDS	GDRPMIESDS1	04/11/2008	Prefix Type: RBOC Switch Name: GRAND RAPIDS ES DS1 Switch Type: DMS100 LATA: Grand Rapids MI (348) Tandem: GDRPMIBL21T 🔧 Explore Switch(CLLI: GDRPMIESDS1))
616-267-7XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	GRAND RPDS	GDRPMIESDS1	04/11/2008	Prefix Type: RBOC Switch Name: GRAND RAPIDS ES DS1 Switch Type: DMS100 LATA: Grand Rapids MI (348) Tandem: GDRPMIBL21T 🔧 Explore Switch(CLLI: GDRPMIESDS1))
616-267-8XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	GRAND RPDS	GDRPMIESDS1	04/11/2008	Prefix Type: RBOC Switch Name: GRAND RAPIDS ES DS1 Switch Type: DMS100 LATA: Grand Rapids MI (348) Tandem: GDRPMIBL21T 🔧 Explore Switch(CLLI: GDRPMIESDS1))
616-267-9XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	GRAND RPDS	GDRPMIESDS1	04/11/2008	Prefix Type: RBOC Switch Name: GRAND RAPIDS ES DS1 Switch Type: DMS100 LATA: Grand Rapids MI (348) Tandem: GDRPMIBL21T 🔧 Explore Switch(CLLI: GDRPMIESDS1))
616-281	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	GRAND RPDS	DTTNMIMNDS0	00/00/0000	Prefix Type: RBOC Switch Name: DUTTON MN Switch Type: DMS100 LATA: Grand Rapids MI (348) Tandem: GDRPMIBL10T 🔧 Explore Switch(CLLI: DTTNMIMNDS0))
616-285	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	GRAND RPDS	GDRPMIESDS1	00/00/0000	Prefix Type: RBOC Switch Name: GRAND RAPIDS ES DS1 Switch Type: DMS100 LATA: Grand Rapids MI (348) Tandem: GDRPMIBL21T 🔧 Explore Switch(CLLI: GDRPMIESDS1))
616-296	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	GRANDHAVEN	GRHVMIMNDS0	00/00/0000	Prefix Type: RBOC Switch Name: GRAND HAVEN Switch Type: 5ESS LATA: Grand Rapids MI (348) Tandem: GDRPMIBL10T 🔧 Explore Switch(CLLI: GRHVMIMNDS0))
616-296 is split into 1,000-number blocks - detail below
616-296-0XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	GRANDHAVEN	GRHVMIMNDS0	N/A	Prefix Type: RBOC Switch Name: GRAND HAVEN Switch Type: 5ESS LATA: Grand Rapids MI (348) Tandem: GDRPMIBL10T 🔧 Explore Switch(CLLI: GRHVMIMNDS0))
616-296-1XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	GRANDHAVEN	GRHVMIMNDS0	N/A	Prefix Type: RBOC Switch Name: GRAND HAVEN Switch Type: 5ESS LATA: Grand Rapids MI (348) Tandem: GDRPMIBL10T 🔧 Explore Switch(CLLI: GRHVMIMNDS0))
616-296-3XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	GRANDHAVEN	GRHVMIMNDS0	N/A	Prefix Type: RBOC Switch Name: GRAND HAVEN Switch Type: 5ESS LATA: Grand Rapids MI (348) Tandem: GDRPMIBL10T 🔧 Explore Switch(CLLI: GRHVMIMNDS0))
616-296-4XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	GRANDHAVEN	GRHVMIMNDS0	N/A	Prefix Type: RBOC Switch Name: GRAND HAVEN Switch Type: 5ESS LATA: Grand Rapids MI (348) Tandem: GDRPMIBL10T 🔧 Explore Switch(CLLI: GRHVMIMNDS0))
616-296-5XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	GRANDHAVEN	GRHVMIMNDS0	N/A	Prefix Type: RBOC Switch Name: GRAND HAVEN Switch Type: 5ESS LATA: Grand Rapids MI (348) Tandem: GDRPMIBL10T 🔧 Explore Switch(CLLI: GRHVMIMNDS0))
616-296-6XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	GRANDHAVEN	GRHVMIMNDS0	N/A	Prefix Type: RBOC Switch Name: GRAND HAVEN Switch Type: 5ESS LATA: Grand Rapids MI (348) Tandem: GDRPMIBL10T 🔧 Explore Switch(CLLI: GRHVMIMNDS0))
616-296-7XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	GRANDHAVEN	GRHVMIMNDS0	N/A	Prefix Type: RBOC Switch Name: GRAND HAVEN Switch Type: 5ESS LATA: Grand Rapids MI (348) Tandem: GDRPMIBL10T 🔧 Explore Switch(CLLI: GRHVMIMNDS0))
616-296-9XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	GRANDHAVEN	GRHVMIMNDS0	N/A	Prefix Type: RBOC Switch Name: GRAND HAVEN Switch Type: 5ESS LATA: Grand Rapids MI (348) Tandem: GDRPMIBL10T 🔧 Explore Switch(CLLI: GRHVMIMNDS0))
616-335	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	HOLLAND	MCPKMIMNRSA	00/00/0000	Prefix Type: RBOC Switch Name: MACATAWA PARK Switch Type: N/A LATA: Grand Rapids MI (348) Tandem: GDRPMIBL10T 🔧 Explore Switch(CLLI: MCPKMIMNRSA))
616-335 is split into 1,000-number blocks - detail below
616-335-2XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	HOLLAND	MCPKMIMNRSA	N/A	Prefix Type: RBOC Switch Name: MACATAWA PARK Switch Type: N/A LATA: Grand Rapids MI (348) Tandem: GDRPMIBL10T 🔧 Explore Switch(CLLI: MCPKMIMNRSA))
616-335-3XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	HOLLAND	MCPKMIMNRSA	N/A	Prefix Type: RBOC Switch Name: MACATAWA PARK Switch Type: N/A LATA: Grand Rapids MI (348) Tandem: GDRPMIBL10T 🔧 Explore Switch(CLLI: MCPKMIMNRSA))
616-335-5XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	HOLLAND	MCPKMIMNRSA	N/A	Prefix Type: RBOC Switch Name: MACATAWA PARK Switch Type: N/A LATA: Grand Rapids MI (348) Tandem: GDRPMIBL10T 🔧 Explore Switch(CLLI: MCPKMIMNRSA))
616-335-8XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	HOLLAND	MCPKMIMNRSA	N/A	Prefix Type: RBOC Switch Name: MACATAWA PARK Switch Type: N/A LATA: Grand Rapids MI (348) Tandem: GDRPMIBL10T 🔧 Explore Switch(CLLI: MCPKMIMNRSA))
616-335-9XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	HOLLAND	MCPKMIMNRSA	N/A	Prefix Type: RBOC Switch Name: MACATAWA PARK Switch Type: N/A LATA: Grand Rapids MI (348) Tandem: GDRPMIBL10T 🔧 Explore Switch(CLLI: MCPKMIMNRSA))
616-336	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	GRAND RPDS	GDRPMIBLDS1	00/00/0000	Prefix Type: RBOC Switch Name: GRAND RAPIDS BL DS1 Switch Type: DMS100 LATA: Grand Rapids MI (348) Tandem: GDRPMIBL21T 🔧 Explore Switch(CLLI: GDRPMIBLDS1))
616-355	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	HOLLAND	HLLDMIMNDS0	00/00/0000	Prefix Type: RBOC Switch Name: HOLLAND Switch Type: DMS100 LATA: Grand Rapids MI (348) Tandem: GDRPMIBL10T 🔧 Explore Switch(CLLI: HLLDMIMNDS0))
616-356	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	GRAND RPDS	GDRPMIBLDS1	00/00/0000	Prefix Type: RBOC Switch Name: GRAND RAPIDS BL DS1 Switch Type: DMS100 LATA: Grand Rapids MI (348) Tandem: GDRPMIBL21T 🔧 Explore Switch(CLLI: GDRPMIBLDS1))
616-361	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	GRAND RPDS	GDRPMIEPDS0	00/00/0000	Prefix Type: RBOC Switch Name: GRAND RAPIDS EP DS0 Switch Type: DMS100 LATA: Grand Rapids MI (348) Tandem: GDRPMIBL21T 🔧 Explore Switch(CLLI: GDRPMIEPDS0))
616-363	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	GRAND RPDS	GDRPMIEPDS0	00/00/0000	Prefix Type: RBOC Switch Name: GRAND RAPIDS EP DS0 Switch Type: DMS100 LATA: Grand Rapids MI (348) Tandem: GDRPMIBL21T 🔧 Explore Switch(CLLI: GDRPMIEPDS0))
616-364	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	GRAND RPDS	GDRPMIEPDS0	00/00/0000	Prefix Type: RBOC Switch Name: GRAND RAPIDS EP DS0 Switch Type: DMS100 LATA: Grand Rapids MI (348) Tandem: GDRPMIBL21T 🔧 Explore Switch(CLLI: GDRPMIEPDS0))
616-365	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	GRAND RPDS	GDRPMIEPDS0	00/00/0000	Prefix Type: RBOC Switch Name: GRAND RAPIDS EP DS0 Switch Type: DMS100 LATA: Grand Rapids MI (348) Tandem: GDRPMIBL21T 🔧 Explore Switch(CLLI: GDRPMIEPDS0))
616-365 is split into 1,000-number blocks - detail below
616-365-0XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	GRAND RPDS	GDRPMIEPDS0	N/A	Prefix Type: RBOC Switch Name: GRAND RAPIDS EP DS0 Switch Type: DMS100 LATA: Grand Rapids MI (348) Tandem: GDRPMIBL21T 🔧 Explore Switch(CLLI: GDRPMIEPDS0))
616-365-1XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	GRAND RPDS	GDRPMIEPDS0	N/A	Prefix Type: RBOC Switch Name: GRAND RAPIDS EP DS0 Switch Type: DMS100 LATA: Grand Rapids MI (348) Tandem: GDRPMIBL21T 🔧 Explore Switch(CLLI: GDRPMIEPDS0))
616-365-2XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	GRAND RPDS	GDRPMIEPDS0	N/A	Prefix Type: RBOC Switch Name: GRAND RAPIDS EP DS0 Switch Type: DMS100 LATA: Grand Rapids MI (348) Tandem: GDRPMIBL21T 🔧 Explore Switch(CLLI: GDRPMIEPDS0))
616-365-3XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	GRAND RPDS	GDRPMIEPDS0	N/A	Prefix Type: RBOC Switch Name: GRAND RAPIDS EP DS0 Switch Type: DMS100 LATA: Grand Rapids MI (348) Tandem: GDRPMIBL21T 🔧 Explore Switch(CLLI: GDRPMIEPDS0))
616-365-4XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	GRAND RPDS	GDRPMIEPDS0	N/A	Prefix Type: RBOC Switch Name: GRAND RAPIDS EP DS0 Switch Type: DMS100 LATA: Grand Rapids MI (348) Tandem: GDRPMIBL21T 🔧 Explore Switch(CLLI: GDRPMIEPDS0))
616-365-6XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	GRAND RPDS	GDRPMIEPDS0	N/A	Prefix Type: RBOC Switch Name: GRAND RAPIDS EP DS0 Switch Type: DMS100 LATA: Grand Rapids MI (348) Tandem: GDRPMIBL21T 🔧 Explore Switch(CLLI: GDRPMIEPDS0))
616-365-7XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	GRAND RPDS	GDRPMIEPDS0	N/A	Prefix Type: RBOC Switch Name: GRAND RAPIDS EP DS0 Switch Type: DMS100 LATA: Grand Rapids MI (348) Tandem: GDRPMIBL21T 🔧 Explore Switch(CLLI: GDRPMIEPDS0))
616-365-8XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	GRAND RPDS	GDRPMIEPDS0	N/A	Prefix Type: RBOC Switch Name: GRAND RAPIDS EP DS0 Switch Type: DMS100 LATA: Grand Rapids MI (348) Tandem: GDRPMIBL21T 🔧 Explore Switch(CLLI: GDRPMIEPDS0))
616-365-9XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	GRAND RPDS	GDRPMIEPDS0	N/A	Prefix Type: RBOC Switch Name: GRAND RAPIDS EP DS0 Switch Type: DMS100 LATA: Grand Rapids MI (348) Tandem: GDRPMIBL21T 🔧 Explore Switch(CLLI: GDRPMIEPDS0))
616-374	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	LAKEODESSA	LKODMIMNRSA	00/00/0000	Prefix Type: RBOC Switch Name: LAKE ODESSA Switch Type: N/A LATA: Grand Rapids MI (348) Tandem: GDRPMIBL21T 🔧 Explore Switch(CLLI: LKODMIMNRSA))
616-374 is split into 1,000-number blocks - detail below
616-374-0XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	LAKEODESSA	LKODMIMNRSA	N/A	Prefix Type: RBOC Switch Name: LAKE ODESSA Switch Type: N/A LATA: Grand Rapids MI (348) Tandem: GDRPMIBL21T 🔧 Explore Switch(CLLI: LKODMIMNRSA))
616-374-1XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	LAKEODESSA	LKODMIMNRSA	N/A	Prefix Type: RBOC Switch Name: LAKE ODESSA Switch Type: N/A LATA: Grand Rapids MI (348) Tandem: GDRPMIBL21T 🔧 Explore Switch(CLLI: LKODMIMNRSA))
616-374-3XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	LAKEODESSA	LKODMIMNRSA	N/A	Prefix Type: RBOC Switch Name: LAKE ODESSA Switch Type: N/A LATA: Grand Rapids MI (348) Tandem: GDRPMIBL21T 🔧 Explore Switch(CLLI: LKODMIMNRSA))
616-374-4XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	LAKEODESSA	LKODMIMNRSA	N/A	Prefix Type: RBOC Switch Name: LAKE ODESSA Switch Type: N/A LATA: Grand Rapids MI (348) Tandem: GDRPMIBL21T 🔧 Explore Switch(CLLI: LKODMIMNRSA))
616-374-7XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	LAKEODESSA	LKODMIMNRSA	N/A	Prefix Type: RBOC Switch Name: LAKE ODESSA Switch Type: N/A LATA: Grand Rapids MI (348) Tandem: GDRPMIBL21T 🔧 Explore Switch(CLLI: LKODMIMNRSA))
616-374-8XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	LAKEODESSA	LKODMIMNRSA	N/A	Prefix Type: RBOC Switch Name: LAKE ODESSA Switch Type: N/A LATA: Grand Rapids MI (348) Tandem: GDRPMIBL21T 🔧 Explore Switch(CLLI: LKODMIMNRSA))
616-391	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	GRAND RPDS	GDRPMIBLDS1	00/00/0000	Prefix Type: RBOC Switch Name: GRAND RAPIDS BL DS1 Switch Type: DMS100 LATA: Grand Rapids MI (348) Tandem: GDRPMIBL21T 🔧 Explore Switch(CLLI: GDRPMIBLDS1))
616-392	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	HOLLAND	HLLDMIMNDS0	00/00/0000	Prefix Type: RBOC Switch Name: HOLLAND Switch Type: DMS100 LATA: Grand Rapids MI (348) Tandem: GDRPMIBL10T 🔧 Explore Switch(CLLI: HLLDMIMNDS0))
616-393	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	HOLLAND	HLLDMIMNDS0	00/00/0000	Prefix Type: RBOC Switch Name: HOLLAND Switch Type: DMS100 LATA: Grand Rapids MI (348) Tandem: GDRPMIBL10T 🔧 Explore Switch(CLLI: HLLDMIMNDS0))
616-394	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	HOLLAND	HLLDMIMNDS0	00/00/0000	Prefix Type: RBOC Switch Name: HOLLAND Switch Type: DMS100 LATA: Grand Rapids MI (348) Tandem: GDRPMIBL10T 🔧 Explore Switch(CLLI: HLLDMIMNDS0))
616-395	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	HOLLAND	HLLDMIMNDS0	00/00/0000	Prefix Type: RBOC Switch Name: HOLLAND Switch Type: DMS100 LATA: Grand Rapids MI (348) Tandem: GDRPMIBL10T 🔧 Explore Switch(CLLI: HLLDMIMNDS0))
616-396	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	HOLLAND	HLLDMIMNDS0	00/00/0000	Prefix Type: RBOC Switch Name: HOLLAND Switch Type: DMS100 LATA: Grand Rapids MI (348) Tandem: GDRPMIBL10T 🔧 Explore Switch(CLLI: HLLDMIMNDS0))
616-399	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	HOLLAND	HLLDMINRDS0	00/00/0000	Prefix Type: RBOC Switch Name: HOLLAND NR Switch Type: DMS100 LATA: Grand Rapids MI (348) Tandem: GDRPMIBL10T 🔧 Explore Switch(CLLI: HLLDMINRDS0))
616-406	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	GRAND RPDS	WYNGMILXDS0	00/00/0000	Prefix Type: RBOC Switch Name: WYOMING LENOX Switch Type: DMS100 LATA: Grand Rapids MI (348) Tandem: GDRPMIBL10T 🔧 Explore Switch(CLLI: WYNGMILXDS0))
616-406 is split into 1,000-number blocks - detail below
616-406-0XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	GRAND RPDS	WYNGMILXDS0	N/A	Prefix Type: RBOC Switch Name: WYOMING LENOX Switch Type: DMS100 LATA: Grand Rapids MI (348) Tandem: GDRPMIBL10T 🔧 Explore Switch(CLLI: WYNGMILXDS0))
616-406-1XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	GRAND RPDS	WYNGMILXDS0	N/A	Prefix Type: RBOC Switch Name: WYOMING LENOX Switch Type: DMS100 LATA: Grand Rapids MI (348) Tandem: GDRPMIBL10T 🔧 Explore Switch(CLLI: WYNGMILXDS0))
616-406-2XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	GRAND RPDS	WYNGMILXDS0	N/A	Prefix Type: RBOC Switch Name: WYOMING LENOX Switch Type: DMS100 LATA: Grand Rapids MI (348) Tandem: GDRPMIBL10T 🔧 Explore Switch(CLLI: WYNGMILXDS0))
616-406-3XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	GRAND RPDS	WYNGMILXDS0	N/A	Prefix Type: RBOC Switch Name: WYOMING LENOX Switch Type: DMS100 LATA: Grand Rapids MI (348) Tandem: GDRPMIBL10T 🔧 Explore Switch(CLLI: WYNGMILXDS0))
616-440	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	XXXXXXXXXX	NOCLLIKNOWN	00/00/0000	Prefix Type: RBOC Switch Name: N/A Switch Type: N/A LATA: N/A Tandem: N/A 🔧 Explore Switch(CLLI: NOCLLIKNOWN))
616-447	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	GRAND RPDS	GDRPMIEPDS0	00/00/0000	Prefix Type: RBOC Switch Name: GRAND RAPIDS EP DS0 Switch Type: DMS100 LATA: Grand Rapids MI (348) Tandem: GDRPMIBL21T 🔧 Explore Switch(CLLI: GDRPMIEPDS0))
616-451	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	GRAND RPDS	GDRPMIBLDS1	00/00/0000	Prefix Type: RBOC Switch Name: GRAND RAPIDS BL DS1 Switch Type: DMS100 LATA: Grand Rapids MI (348) Tandem: GDRPMIBL21T 🔧 Explore Switch(CLLI: GDRPMIBLDS1))
616-452	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	GRAND RPDS	GDRPMISODS0	00/00/0000	Prefix Type: RBOC Switch Name: GRAND RAPIDS SO DS0 Switch Type: DMS100 LATA: Grand Rapids MI (348) Tandem: GDRPMIBL10T 🔧 Explore Switch(CLLI: GDRPMISODS0))
616-453	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	GRAND RPDS	GDRPMIWSDS0	00/00/0000	Prefix Type: RBOC Switch Name: GRAND RAPIDS WS DS0 Switch Type: DMS100 LATA: Grand Rapids MI (348) Tandem: GDRPMIBL21T 🔧 Explore Switch(CLLI: GDRPMIWSDS0))
616-454	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	GRAND RPDS	GDRPMIBLDS1	00/00/0000	Prefix Type: RBOC Switch Name: GRAND RAPIDS BL DS1 Switch Type: DMS100 LATA: Grand Rapids MI (348) Tandem: GDRPMIBL21T 🔧 Explore Switch(CLLI: GDRPMIBLDS1))
616-455	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	GRAND RPDS	DTTNMIMNDS0	00/00/0000	Prefix Type: RBOC Switch Name: DUTTON MN Switch Type: DMS100 LATA: Grand Rapids MI (348) Tandem: GDRPMIBL10T 🔧 Explore Switch(CLLI: DTTNMIMNDS0))
616-456	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	GRAND RPDS	GDRPMIBLDS1	00/00/0000	Prefix Type: RBOC Switch Name: GRAND RAPIDS BL DS1 Switch Type: DMS100 LATA: Grand Rapids MI (348) Tandem: GDRPMIBL21T 🔧 Explore Switch(CLLI: GDRPMIBLDS1))
616-457	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	GRAND RPDS	HDVLMIMNDS0	00/00/0000	Prefix Type: RBOC Switch Name: HUDSONVILLE Switch Type: 5ESS LATA: Grand Rapids MI (348) Tandem: GDRPMIBL10T 🔧 Explore Switch(CLLI: HDVLMIMNDS0))
616-458	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	GRAND RPDS	GDRPMIBLDS1	00/00/0000	Prefix Type: RBOC Switch Name: GRAND RAPIDS BL DS1 Switch Type: DMS100 LATA: Grand Rapids MI (348) Tandem: GDRPMIBL21T 🔧 Explore Switch(CLLI: GDRPMIBLDS1))
616-459	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	GRAND RPDS	GDRPMIBLDS1	00/00/0000	Prefix Type: RBOC Switch Name: GRAND RAPIDS BL DS1 Switch Type: DMS100 LATA: Grand Rapids MI (348) Tandem: GDRPMIBL21T 🔧 Explore Switch(CLLI: GDRPMIBLDS1))
616-464	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	GRAND RPDS	GDRPMIESDS1	00/00/0000	Prefix Type: RBOC Switch Name: GRAND RAPIDS ES DS1 Switch Type: DMS100 LATA: Grand Rapids MI (348) Tandem: GDRPMIBL21T 🔧 Explore Switch(CLLI: GDRPMIESDS1))
616-475	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	GRAND RPDS	GDRPMISODS0	00/00/0000	Prefix Type: RBOC Switch Name: GRAND RAPIDS SO DS0 Switch Type: DMS100 LATA: Grand Rapids MI (348) Tandem: GDRPMIBL10T 🔧 Explore Switch(CLLI: GDRPMISODS0))
616-486	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	GRAND RPDS	GDRPMIBLDS1	00/00/0000	Prefix Type: RBOC Switch Name: GRAND RAPIDS BL DS1 Switch Type: DMS100 LATA: Grand Rapids MI (348) Tandem: GDRPMIBL21T 🔧 Explore Switch(CLLI: GDRPMIBLDS1))
616-494	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	HOLLAND	HLLDMIMNDS0	00/00/0000	Prefix Type: RBOC Switch Name: HOLLAND Switch Type: DMS100 LATA: Grand Rapids MI (348) Tandem: GDRPMIBL10T 🔧 Explore Switch(CLLI: HLLDMIMNDS0))
616-514	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	GRAND RPDS	GDRPMISODS0	00/00/0000	Prefix Type: RBOC Switch Name: GRAND RAPIDS SO DS0 Switch Type: DMS100 LATA: Grand Rapids MI (348) Tandem: GDRPMIBL10T 🔧 Explore Switch(CLLI: GDRPMISODS0))
616-514 is split into 1,000-number blocks - detail below
616-514-1XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	GRAND RPDS	GDRPMISODS0	N/A	Prefix Type: RBOC Switch Name: GRAND RAPIDS SO DS0 Switch Type: DMS100 LATA: Grand Rapids MI (348) Tandem: GDRPMIBL10T 🔧 Explore Switch(CLLI: GDRPMISODS0))
616-514-5XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	GRAND RPDS	GDRPMISODS0	N/A	Prefix Type: RBOC Switch Name: GRAND RAPIDS SO DS0 Switch Type: DMS100 LATA: Grand Rapids MI (348) Tandem: GDRPMIBL10T 🔧 Explore Switch(CLLI: GDRPMISODS0))
616-514-6XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	GRAND RPDS	GDRPMISODS0	N/A	Prefix Type: RBOC Switch Name: GRAND RAPIDS SO DS0 Switch Type: DMS100 LATA: Grand Rapids MI (348) Tandem: GDRPMIBL10T 🔧 Explore Switch(CLLI: GDRPMISODS0))
616-522	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	IONIA	IONIMIMNRSA	00/00/0000	Prefix Type: RBOC Switch Name: IONIA Switch Type: N/A LATA: Grand Rapids MI (348) Tandem: GDRPMIBL21T 🔧 Explore Switch(CLLI: IONIMIMNRSA))
616-522 is split into 1,000-number blocks - detail below
616-522-0XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	IONIA	IONIMIMNRSA	N/A	Prefix Type: RBOC Switch Name: IONIA Switch Type: N/A LATA: Grand Rapids MI (348) Tandem: GDRPMIBL21T 🔧 Explore Switch(CLLI: IONIMIMNRSA))
616-522-1XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	IONIA	IONIMIMNRSA	N/A	Prefix Type: RBOC Switch Name: IONIA Switch Type: N/A LATA: Grand Rapids MI (348) Tandem: GDRPMIBL21T 🔧 Explore Switch(CLLI: IONIMIMNRSA))
616-522-9XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	IONIA	IONIMIMNRSA	N/A	Prefix Type: RBOC Switch Name: IONIA Switch Type: N/A LATA: Grand Rapids MI (348) Tandem: GDRPMIBL21T 🔧 Explore Switch(CLLI: IONIMIMNRSA))
616-523	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	IONIA	IONIMIMNRSA	00/00/0000	Prefix Type: RBOC Switch Name: IONIA Switch Type: N/A LATA: Grand Rapids MI (348) Tandem: GDRPMIBL21T 🔧 Explore Switch(CLLI: IONIMIMNRSA))
616-523 is split into 1,000-number blocks - detail below
616-523-1XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	IONIA	IONIMIMNRSA	N/A	Prefix Type: RBOC Switch Name: IONIA Switch Type: N/A LATA: Grand Rapids MI (348) Tandem: GDRPMIBL21T 🔧 Explore Switch(CLLI: IONIMIMNRSA))
616-523-9XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	IONIA	IONIMIMNRSA	N/A	Prefix Type: RBOC Switch Name: IONIA Switch Type: N/A LATA: Grand Rapids MI (348) Tandem: GDRPMIBL21T 🔧 Explore Switch(CLLI: IONIMIMNRSA))
616-526	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	GRAND RPDS	GDRPMIESDS1	01/16/2002	Prefix Type: RBOC Switch Name: GRAND RAPIDS ES DS1 Switch Type: DMS100 LATA: Grand Rapids MI (348) Tandem: GDRPMIBL21T 🔧 Explore Switch(CLLI: GDRPMIESDS1))
616-527	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	IONIA	IONIMIMNRSA	00/00/0000	Prefix Type: RBOC Switch Name: IONIA Switch Type: N/A LATA: Grand Rapids MI (348) Tandem: GDRPMIBL21T 🔧 Explore Switch(CLLI: IONIMIMNRSA))
616-530	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	GRAND RPDS	WYNGMILXDS0	00/00/0000	Prefix Type: RBOC Switch Name: WYOMING LENOX Switch Type: DMS100 LATA: Grand Rapids MI (348) Tandem: GDRPMIBL10T 🔧 Explore Switch(CLLI: WYNGMILXDS0))
616-531	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	GRAND RPDS	WYNGMILXDS0	00/00/0000	Prefix Type: RBOC Switch Name: WYOMING LENOX Switch Type: DMS100 LATA: Grand Rapids MI (348) Tandem: GDRPMIBL10T 🔧 Explore Switch(CLLI: WYNGMILXDS0))
616-532	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	GRAND RPDS	WYNGMILXDS0	00/00/0000	Prefix Type: RBOC Switch Name: WYOMING LENOX Switch Type: DMS100 LATA: Grand Rapids MI (348) Tandem: GDRPMIBL10T 🔧 Explore Switch(CLLI: WYNGMILXDS0))
616-534	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	GRAND RPDS	WYNGMILXDS0	00/00/0000	Prefix Type: RBOC Switch Name: WYOMING LENOX Switch Type: DMS100 LATA: Grand Rapids MI (348) Tandem: GDRPMIBL10T 🔧 Explore Switch(CLLI: WYNGMILXDS0))
616-538	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	GRAND RPDS	WYNGMILXDS0	00/00/0000	Prefix Type: RBOC Switch Name: WYOMING LENOX Switch Type: DMS100 LATA: Grand Rapids MI (348) Tandem: GDRPMIBL10T 🔧 Explore Switch(CLLI: WYNGMILXDS0))
616-546	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	HOLLAND	HLLDMIMNDS0	00/00/0000	Prefix Type: RBOC Switch Name: HOLLAND Switch Type: DMS100 LATA: Grand Rapids MI (348) Tandem: GDRPMIBL10T 🔧 Explore Switch(CLLI: HLLDMIMNDS0))
616-546 is split into 1,000-number blocks - detail below
616-546-2XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	HOLLAND	HLLDMIMNDS0	N/A	Prefix Type: RBOC Switch Name: HOLLAND Switch Type: DMS100 LATA: Grand Rapids MI (348) Tandem: GDRPMIBL10T 🔧 Explore Switch(CLLI: HLLDMIMNDS0))
616-546-3XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	HOLLAND	HLLDMIMNDS0	N/A	Prefix Type: RBOC Switch Name: HOLLAND Switch Type: DMS100 LATA: Grand Rapids MI (348) Tandem: GDRPMIBL10T 🔧 Explore Switch(CLLI: HLLDMIMNDS0))
616-546-4XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	HOLLAND	HLLDMIMNDS0	N/A	Prefix Type: RBOC Switch Name: HOLLAND Switch Type: DMS100 LATA: Grand Rapids MI (348) Tandem: GDRPMIBL10T 🔧 Explore Switch(CLLI: HLLDMIMNDS0))
616-546-6XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	HOLLAND	HLLDMIMNDS0	N/A	Prefix Type: RBOC Switch Name: HOLLAND Switch Type: DMS100 LATA: Grand Rapids MI (348) Tandem: GDRPMIBL10T 🔧 Explore Switch(CLLI: HLLDMIMNDS0))
616-546-7XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	HOLLAND	HLLDMIMNDS0	N/A	Prefix Type: RBOC Switch Name: HOLLAND Switch Type: DMS100 LATA: Grand Rapids MI (348) Tandem: GDRPMIBL10T 🔧 Explore Switch(CLLI: HLLDMIMNDS0))
616-546-8XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	HOLLAND	HLLDMIMNDS0	N/A	Prefix Type: RBOC Switch Name: HOLLAND Switch Type: DMS100 LATA: Grand Rapids MI (348) Tandem: GDRPMIBL10T 🔧 Explore Switch(CLLI: HLLDMIMNDS0))
616-546-9XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	HOLLAND	HLLDMIMNDS0	N/A	Prefix Type: RBOC Switch Name: HOLLAND Switch Type: DMS100 LATA: Grand Rapids MI (348) Tandem: GDRPMIBL10T 🔧 Explore Switch(CLLI: HLLDMIMNDS0))
616-554	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	DUTTON	DTTNMIMNDS0	00/00/0000	Prefix Type: RBOC Switch Name: DUTTON MN Switch Type: DMS100 LATA: Grand Rapids MI (348) Tandem: GDRPMIBL10T 🔧 Explore Switch(CLLI: DTTNMIMNDS0))
616-575	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	GRAND RPDS	GDRPMIESDS1	00/00/0000	Prefix Type: RBOC Switch Name: GRAND RAPIDS ES DS1 Switch Type: DMS100 LATA: Grand Rapids MI (348) Tandem: GDRPMIBL21T 🔧 Explore Switch(CLLI: GDRPMIESDS1))
616-583	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	BYRON CTR	BYCTMIMNRSA	00/00/0000	Prefix Type: RBOC Switch Name: BYRON CENTER Switch Type: N/A LATA: Grand Rapids MI (348) Tandem: GDRPMIBL10T 🔧 Explore Switch(CLLI: BYCTMIMNRSA))
616-583 is split into 1,000-number blocks - detail below
616-583-0XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	BYRON CTR	BYCTMIMNRSA	N/A	Prefix Type: RBOC Switch Name: BYRON CENTER Switch Type: N/A LATA: Grand Rapids MI (348) Tandem: GDRPMIBL10T 🔧 Explore Switch(CLLI: BYCTMIMNRSA))
616-583-1XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	BYRON CTR	BYCTMIMNRSA	N/A	Prefix Type: RBOC Switch Name: BYRON CENTER Switch Type: N/A LATA: Grand Rapids MI (348) Tandem: GDRPMIBL10T 🔧 Explore Switch(CLLI: BYCTMIMNRSA))
616-583-4XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	BYRON CTR	BYCTMIMNRSA	N/A	Prefix Type: RBOC Switch Name: BYRON CENTER Switch Type: N/A LATA: Grand Rapids MI (348) Tandem: GDRPMIBL10T 🔧 Explore Switch(CLLI: BYCTMIMNRSA))
616-583-5XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	BYRON CTR	BYCTMIMNRSA	N/A	Prefix Type: RBOC Switch Name: BYRON CENTER Switch Type: N/A LATA: Grand Rapids MI (348) Tandem: GDRPMIBL10T 🔧 Explore Switch(CLLI: BYCTMIMNRSA))
616-583-9XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	BYRON CTR	BYCTMIMNRSA	N/A	Prefix Type: RBOC Switch Name: BYRON CENTER Switch Type: N/A LATA: Grand Rapids MI (348) Tandem: GDRPMIBL10T 🔧 Explore Switch(CLLI: BYCTMIMNRSA))
616-594	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	HOLLAND	HLLDMIMNDS0	00/00/0000	Prefix Type: RBOC Switch Name: HOLLAND Switch Type: DMS100 LATA: Grand Rapids MI (348) Tandem: GDRPMIBL10T 🔧 Explore Switch(CLLI: HLLDMIMNDS0))
616-594 is split into 1,000-number blocks - detail below
616-594-2XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	HOLLAND	HLLDMIMNDS0	N/A	Prefix Type: RBOC Switch Name: HOLLAND Switch Type: DMS100 LATA: Grand Rapids MI (348) Tandem: GDRPMIBL10T 🔧 Explore Switch(CLLI: HLLDMIMNDS0))
616-632	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	GRAND RPDS	GDRPMIBLDS1	04/17/2001	Prefix Type: RBOC Switch Name: GRAND RAPIDS BL DS1 Switch Type: DMS100 LATA: Grand Rapids MI (348) Tandem: GDRPMIBL21T 🔧 Explore Switch(CLLI: GDRPMIBLDS1))
616-632 is split into 1,000-number blocks - detail below
616-632-0XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	GRAND RPDS	GDRPMIBLDS1	N/A	Prefix Type: RBOC Switch Name: GRAND RAPIDS BL DS1 Switch Type: DMS100 LATA: Grand Rapids MI (348) Tandem: GDRPMIBL21T 🔧 Explore Switch(CLLI: GDRPMIBLDS1))
616-632-1XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	GRAND RPDS	GDRPMIBLDS1	N/A	Prefix Type: RBOC Switch Name: GRAND RAPIDS BL DS1 Switch Type: DMS100 LATA: Grand Rapids MI (348) Tandem: GDRPMIBL21T 🔧 Explore Switch(CLLI: GDRPMIBLDS1))
616-632-2XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	GRAND RPDS	GDRPMIBLDS1	N/A	Prefix Type: RBOC Switch Name: GRAND RAPIDS BL DS1 Switch Type: DMS100 LATA: Grand Rapids MI (348) Tandem: GDRPMIBL21T 🔧 Explore Switch(CLLI: GDRPMIBLDS1))
616-632-5XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	GRAND RPDS	GDRPMIBLDS1	N/A	Prefix Type: RBOC Switch Name: GRAND RAPIDS BL DS1 Switch Type: DMS100 LATA: Grand Rapids MI (348) Tandem: GDRPMIBL21T 🔧 Explore Switch(CLLI: GDRPMIBLDS1))
616-632-6XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	GRAND RPDS	GDRPMIBLDS1	N/A	Prefix Type: RBOC Switch Name: GRAND RAPIDS BL DS1 Switch Type: DMS100 LATA: Grand Rapids MI (348) Tandem: GDRPMIBL21T 🔧 Explore Switch(CLLI: GDRPMIBLDS1))
616-632-7XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	GRAND RPDS	GDRPMIBLDS1	N/A	Prefix Type: RBOC Switch Name: GRAND RAPIDS BL DS1 Switch Type: DMS100 LATA: Grand Rapids MI (348) Tandem: GDRPMIBL21T 🔧 Explore Switch(CLLI: GDRPMIBLDS1))
616-632-8XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	GRAND RPDS	GDRPMIBLDS1	N/A	Prefix Type: RBOC Switch Name: GRAND RAPIDS BL DS1 Switch Type: DMS100 LATA: Grand Rapids MI (348) Tandem: GDRPMIBL21T 🔧 Explore Switch(CLLI: GDRPMIBLDS1))
616-632-9XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	GRAND RPDS	GDRPMIBLDS1	N/A	Prefix Type: RBOC Switch Name: GRAND RAPIDS BL DS1 Switch Type: DMS100 LATA: Grand Rapids MI (348) Tandem: GDRPMIBL21T 🔧 Explore Switch(CLLI: GDRPMIBLDS1))
616-636	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	SAND LAKE	SDLKMIMNRSA	00/00/0000	Prefix Type: RBOC Switch Name: SAND LAKE Switch Type: N/A LATA: Grand Rapids MI (348) Tandem: GDRPMIBL21T 🔧 Explore Switch(CLLI: SDLKMIMNRSA))
616-636 is split into 1,000-number blocks - detail below
616-636-4XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	SAND LAKE	SDLKMIMNRSA	N/A	Prefix Type: RBOC Switch Name: SAND LAKE Switch Type: N/A LATA: Grand Rapids MI (348) Tandem: GDRPMIBL21T 🔧 Explore Switch(CLLI: SDLKMIMNRSA))
616-636-5XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	SAND LAKE	SDLKMIMNRSA	N/A	Prefix Type: RBOC Switch Name: SAND LAKE Switch Type: N/A LATA: Grand Rapids MI (348) Tandem: GDRPMIBL21T 🔧 Explore Switch(CLLI: SDLKMIMNRSA))
616-636-8XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	SAND LAKE	SDLKMIMNRSA	N/A	Prefix Type: RBOC Switch Name: SAND LAKE Switch Type: N/A LATA: Grand Rapids MI (348) Tandem: GDRPMIBL21T 🔧 Explore Switch(CLLI: SDLKMIMNRSA))
616-642	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	SARANAC	SRNCMIDCRSA	00/00/0000	Prefix Type: RBOC Switch Name: SARANAC Switch Type: N/A LATA: Grand Rapids MI (348) Tandem: GDRPMIBL21T 🔧 Explore Switch(CLLI: SRNCMIDCRSA))
616-642 is split into 1,000-number blocks - detail below
616-642-0XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	SARANAC	SRNCMIDCRSA	N/A	Prefix Type: RBOC Switch Name: SARANAC Switch Type: N/A LATA: Grand Rapids MI (348) Tandem: GDRPMIBL21T 🔧 Explore Switch(CLLI: SRNCMIDCRSA))
616-642-1XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	SARANAC	SRNCMIDCRSA	N/A	Prefix Type: RBOC Switch Name: SARANAC Switch Type: N/A LATA: Grand Rapids MI (348) Tandem: GDRPMIBL21T 🔧 Explore Switch(CLLI: SRNCMIDCRSA))
616-642-3XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	SARANAC	SRNCMIDCRSA	N/A	Prefix Type: RBOC Switch Name: SARANAC Switch Type: N/A LATA: Grand Rapids MI (348) Tandem: GDRPMIBL21T 🔧 Explore Switch(CLLI: SRNCMIDCRSA))
616-642-6XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	SARANAC	SRNCMIDCRSA	N/A	Prefix Type: RBOC Switch Name: SARANAC Switch Type: N/A LATA: Grand Rapids MI (348) Tandem: GDRPMIBL21T 🔧 Explore Switch(CLLI: SRNCMIDCRSA))
616-642-9XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	SARANAC	SRNCMIDCRSA	N/A	Prefix Type: RBOC Switch Name: SARANAC Switch Type: N/A LATA: Grand Rapids MI (348) Tandem: GDRPMIBL21T 🔧 Explore Switch(CLLI: SRNCMIDCRSA))
616-643	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	GRAND RPDS	GDRPMIBLDS1	00/00/0000	Prefix Type: RBOC Switch Name: GRAND RAPIDS BL DS1 Switch Type: DMS100 LATA: Grand Rapids MI (348) Tandem: GDRPMIBL21T 🔧 Explore Switch(CLLI: GDRPMIBLDS1))
616-643 is split into 1,000-number blocks - detail below
616-643-0XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	GRAND RPDS	GDRPMIBLDS1	N/A	Prefix Type: RBOC Switch Name: GRAND RAPIDS BL DS1 Switch Type: DMS100 LATA: Grand Rapids MI (348) Tandem: GDRPMIBL21T 🔧 Explore Switch(CLLI: GDRPMIBLDS1))
616-643-1XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	GRAND RPDS	GDRPMIBLDS1	N/A	Prefix Type: RBOC Switch Name: GRAND RAPIDS BL DS1 Switch Type: DMS100 LATA: Grand Rapids MI (348) Tandem: GDRPMIBL21T 🔧 Explore Switch(CLLI: GDRPMIBLDS1))
616-643-2XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	GRAND RPDS	GDRPMIBLDS1	N/A	Prefix Type: RBOC Switch Name: GRAND RAPIDS BL DS1 Switch Type: DMS100 LATA: Grand Rapids MI (348) Tandem: GDRPMIBL21T 🔧 Explore Switch(CLLI: GDRPMIBLDS1))
616-643-4XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	GRAND RPDS	GDRPMIBLDS1	N/A	Prefix Type: RBOC Switch Name: GRAND RAPIDS BL DS1 Switch Type: DMS100 LATA: Grand Rapids MI (348) Tandem: GDRPMIBL21T 🔧 Explore Switch(CLLI: GDRPMIBLDS1))
616-643-5XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	GRAND RPDS	GDRPMIBLDS1	N/A	Prefix Type: RBOC Switch Name: GRAND RAPIDS BL DS1 Switch Type: DMS100 LATA: Grand Rapids MI (348) Tandem: GDRPMIBL21T 🔧 Explore Switch(CLLI: GDRPMIBLDS1))
616-643-6XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	GRAND RPDS	GDRPMIBLDS1	N/A	Prefix Type: RBOC Switch Name: GRAND RAPIDS BL DS1 Switch Type: DMS100 LATA: Grand Rapids MI (348) Tandem: GDRPMIBL21T 🔧 Explore Switch(CLLI: GDRPMIBLDS1))
616-643-9XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	GRAND RPDS	GDRPMIBLDS1	N/A	Prefix Type: RBOC Switch Name: GRAND RAPIDS BL DS1 Switch Type: DMS100 LATA: Grand Rapids MI (348) Tandem: GDRPMIBL21T 🔧 Explore Switch(CLLI: GDRPMIBLDS1))
616-647	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	GRAND RPDS	CMPKMICPDS0	00/00/0000	Prefix Type: RBOC Switch Name: COMSTOCK PARK Switch Type: 5ESS LATA: Grand Rapids MI (348) Tandem: GDRPMIBL21T 🔧 Explore Switch(CLLI: CMPKMICPDS0))
616-647 is split into 1,000-number blocks - detail below
616-647-0XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	GRAND RPDS	CMPKMICPDS0	N/A	Prefix Type: RBOC Switch Name: COMSTOCK PARK Switch Type: 5ESS LATA: Grand Rapids MI (348) Tandem: GDRPMIBL21T 🔧 Explore Switch(CLLI: CMPKMICPDS0))
616-647-1XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	GRAND RPDS	CMPKMICPDS0	N/A	Prefix Type: RBOC Switch Name: COMSTOCK PARK Switch Type: 5ESS LATA: Grand Rapids MI (348) Tandem: GDRPMIBL21T 🔧 Explore Switch(CLLI: CMPKMICPDS0))
616-647-2XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	GRAND RPDS	CMPKMICPDS0	N/A	Prefix Type: RBOC Switch Name: COMSTOCK PARK Switch Type: 5ESS LATA: Grand Rapids MI (348) Tandem: GDRPMIBL21T 🔧 Explore Switch(CLLI: CMPKMICPDS0))
616-647-3XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	GRAND RPDS	CMPKMICPDS0	N/A	Prefix Type: RBOC Switch Name: COMSTOCK PARK Switch Type: 5ESS LATA: Grand Rapids MI (348) Tandem: GDRPMIBL21T 🔧 Explore Switch(CLLI: CMPKMICPDS0))
616-647-4XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	GRAND RPDS	CMPKMICPDS0	N/A	Prefix Type: RBOC Switch Name: COMSTOCK PARK Switch Type: 5ESS LATA: Grand Rapids MI (348) Tandem: GDRPMIBL21T 🔧 Explore Switch(CLLI: CMPKMICPDS0))
616-647-6XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	GRAND RPDS	CMPKMICPDS0	N/A	Prefix Type: RBOC Switch Name: COMSTOCK PARK Switch Type: 5ESS LATA: Grand Rapids MI (348) Tandem: GDRPMIBL21T 🔧 Explore Switch(CLLI: CMPKMICPDS0))
616-647-8XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	GRAND RPDS	CMPKMICPDS0	N/A	Prefix Type: RBOC Switch Name: COMSTOCK PARK Switch Type: 5ESS LATA: Grand Rapids MI (348) Tandem: GDRPMIBL21T 🔧 Explore Switch(CLLI: CMPKMICPDS0))
616-647-9XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	GRAND RPDS	CMPKMICPDS0	N/A	Prefix Type: RBOC Switch Name: COMSTOCK PARK Switch Type: 5ESS LATA: Grand Rapids MI (348) Tandem: GDRPMIBL21T 🔧 Explore Switch(CLLI: CMPKMICPDS0))
616-653	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	GRAND RPDS	GDRPMIBLDS1	00/00/0000	Prefix Type: RBOC Switch Name: GRAND RAPIDS BL DS1 Switch Type: DMS100 LATA: Grand Rapids MI (348) Tandem: GDRPMIBL21T 🔧 Explore Switch(CLLI: GDRPMIBLDS1))
616-654	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	ZEELAND	ZELDMIZLDS0	00/00/0000	Prefix Type: RBOC Switch Name: ZEELAND DS0 Switch Type: DMS100 LATA: Grand Rapids MI (348) Tandem: GDRPMIBL10T 🔧 Explore Switch(CLLI: ZELDMIZLDS0))
616-656	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	DUTTON	DTTNMIMNDS0	00/00/0000	Prefix Type: RBOC Switch Name: DUTTON MN Switch Type: DMS100 LATA: Grand Rapids MI (348) Tandem: GDRPMIBL10T 🔧 Explore Switch(CLLI: DTTNMIMNDS0))
616-662	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	HUDSONVL	HDVLMIMNDS0	00/00/0000	Prefix Type: RBOC Switch Name: HUDSONVILLE Switch Type: 5ESS LATA: Grand Rapids MI (348) Tandem: GDRPMIBL10T 🔧 Explore Switch(CLLI: HDVLMIMNDS0))
616-667	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	GRAND RPDS	HDVLMIMNDS0	00/00/0000	Prefix Type: RBOC Switch Name: HUDSONVILLE Switch Type: 5ESS LATA: Grand Rapids MI (348) Tandem: GDRPMIBL10T 🔧 Explore Switch(CLLI: HDVLMIMNDS0))
616-667 is split into 1,000-number blocks - detail below
616-667-0XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	GRAND RPDS	HDVLMIMNDS0	N/A	Prefix Type: RBOC Switch Name: HUDSONVILLE Switch Type: 5ESS LATA: Grand Rapids MI (348) Tandem: GDRPMIBL10T 🔧 Explore Switch(CLLI: HDVLMIMNDS0))
616-667-1XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	GRAND RPDS	HDVLMIMNDS0	N/A	Prefix Type: RBOC Switch Name: HUDSONVILLE Switch Type: 5ESS LATA: Grand Rapids MI (348) Tandem: GDRPMIBL10T 🔧 Explore Switch(CLLI: HDVLMIMNDS0))
616-667-2XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	GRAND RPDS	HDVLMIMNDS0	N/A	Prefix Type: RBOC Switch Name: HUDSONVILLE Switch Type: 5ESS LATA: Grand Rapids MI (348) Tandem: GDRPMIBL10T 🔧 Explore Switch(CLLI: HDVLMIMNDS0))
616-667-3XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	GRAND RPDS	HDVLMIMNDS0	N/A	Prefix Type: RBOC Switch Name: HUDSONVILLE Switch Type: 5ESS LATA: Grand Rapids MI (348) Tandem: GDRPMIBL10T 🔧 Explore Switch(CLLI: HDVLMIMNDS0))
616-667-4XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	GRAND RPDS	HDVLMIMNDS0	N/A	Prefix Type: RBOC Switch Name: HUDSONVILLE Switch Type: 5ESS LATA: Grand Rapids MI (348) Tandem: GDRPMIBL10T 🔧 Explore Switch(CLLI: HDVLMIMNDS0))
616-667-5XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	GRAND RPDS	HDVLMIMNDS0	N/A	Prefix Type: RBOC Switch Name: HUDSONVILLE Switch Type: 5ESS LATA: Grand Rapids MI (348) Tandem: GDRPMIBL10T 🔧 Explore Switch(CLLI: HDVLMIMNDS0))
616-667-6XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	GRAND RPDS	HDVLMIMNDS0	N/A	Prefix Type: RBOC Switch Name: HUDSONVILLE Switch Type: 5ESS LATA: Grand Rapids MI (348) Tandem: GDRPMIBL10T 🔧 Explore Switch(CLLI: HDVLMIMNDS0))
616-667-8XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	GRAND RPDS	HDVLMIMNDS0	N/A	Prefix Type: RBOC Switch Name: HUDSONVILLE Switch Type: 5ESS LATA: Grand Rapids MI (348) Tandem: GDRPMIBL10T 🔧 Explore Switch(CLLI: HDVLMIMNDS0))
616-667-9XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	GRAND RPDS	HDVLMIMNDS0	N/A	Prefix Type: RBOC Switch Name: HUDSONVILLE Switch Type: 5ESS LATA: Grand Rapids MI (348) Tandem: GDRPMIBL10T 🔧 Explore Switch(CLLI: HDVLMIMNDS0))
616-669	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	HUDSONVL	HDVLMIMNDS0	00/00/0000	Prefix Type: RBOC Switch Name: HUDSONVILLE Switch Type: 5ESS LATA: Grand Rapids MI (348) Tandem: GDRPMIBL10T 🔧 Explore Switch(CLLI: HDVLMIMNDS0))
616-675	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	CASNOVIA	CSNVMICBRSA	00/00/0000	Prefix Type: RBOC Switch Name: CASNOVIA Switch Type: N/A LATA: Grand Rapids MI (348) Tandem: GDRPMIBL10T 🔧 Explore Switch(CLLI: CSNVMICBRSA))
616-675 is split into 1,000-number blocks - detail below
616-675-3XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	CASNOVIA	CSNVMICBRSA	N/A	Prefix Type: RBOC Switch Name: CASNOVIA Switch Type: N/A LATA: Grand Rapids MI (348) Tandem: GDRPMIBL10T 🔧 Explore Switch(CLLI: CSNVMICBRSA))
616-675-4XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	CASNOVIA	CSNVMICBRSA	N/A	Prefix Type: RBOC Switch Name: CASNOVIA Switch Type: N/A LATA: Grand Rapids MI (348) Tandem: GDRPMIBL10T 🔧 Explore Switch(CLLI: CSNVMICBRSA))
616-675-5XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	CASNOVIA	CSNVMICBRSA	N/A	Prefix Type: RBOC Switch Name: CASNOVIA Switch Type: N/A LATA: Grand Rapids MI (348) Tandem: GDRPMIBL10T 🔧 Explore Switch(CLLI: CSNVMICBRSA))
616-675-7XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	CASNOVIA	CSNVMICBRSA	N/A	Prefix Type: RBOC Switch Name: CASNOVIA Switch Type: N/A LATA: Grand Rapids MI (348) Tandem: GDRPMIBL10T 🔧 Explore Switch(CLLI: CSNVMICBRSA))
616-676	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	ADA	ADA MIMNDS0	00/00/0000	Prefix Type: RBOC Switch Name: ADA Switch Type: Northern Telecom DMS100 (Digital) Host LATA: Grand Rapids MI (348) Tandem: N/A 🔧 Explore Switch(CLLI: ADA MIMNDS0))
616-676 is split into 1,000-number blocks - detail below
616-676-0XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	ADA	ADA MIMNDS0	N/A	Prefix Type: RBOC Switch Name: ADA Switch Type: Northern Telecom DMS100 (Digital) Host LATA: Grand Rapids MI (348) Tandem: N/A 🔧 Explore Switch(CLLI: ADA MIMNDS0))
616-676-1XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	ADA	ADA MIMNDS0	N/A	Prefix Type: RBOC Switch Name: ADA Switch Type: Northern Telecom DMS100 (Digital) Host LATA: Grand Rapids MI (348) Tandem: N/A 🔧 Explore Switch(CLLI: ADA MIMNDS0))
616-676-2XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	ADA	ADA MIMNDS0	N/A	Prefix Type: RBOC Switch Name: ADA Switch Type: Northern Telecom DMS100 (Digital) Host LATA: Grand Rapids MI (348) Tandem: N/A 🔧 Explore Switch(CLLI: ADA MIMNDS0))
616-676-3XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	ADA	ADA MIMNDS0	N/A	Prefix Type: RBOC Switch Name: ADA Switch Type: Northern Telecom DMS100 (Digital) Host LATA: Grand Rapids MI (348) Tandem: N/A 🔧 Explore Switch(CLLI: ADA MIMNDS0))
616-676-4XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	ADA	ADA MIMNDS0	N/A	Prefix Type: RBOC Switch Name: ADA Switch Type: Northern Telecom DMS100 (Digital) Host LATA: Grand Rapids MI (348) Tandem: N/A 🔧 Explore Switch(CLLI: ADA MIMNDS0))
616-676-8XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	ADA	ADA MIMNDS0	N/A	Prefix Type: RBOC Switch Name: ADA Switch Type: Northern Telecom DMS100 (Digital) Host LATA: Grand Rapids MI (348) Tandem: N/A 🔧 Explore Switch(CLLI: ADA MIMNDS0))
616-676-9XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	ADA	ADA MIMNDS0	N/A	Prefix Type: RBOC Switch Name: ADA Switch Type: Northern Telecom DMS100 (Digital) Host LATA: Grand Rapids MI (348) Tandem: N/A 🔧 Explore Switch(CLLI: ADA MIMNDS0))
616-677	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	MARNE	MRNEMIMNRSA	00/00/0000	Prefix Type: RBOC Switch Name: MARNE Switch Type: N/A LATA: Grand Rapids MI (348) Tandem: GDRPMIBL10T 🔧 Explore Switch(CLLI: MRNEMIMNRSA))
616-677 is split into 1,000-number blocks - detail below
616-677-0XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	MARNE	MRNEMIMNRSA	N/A	Prefix Type: RBOC Switch Name: MARNE Switch Type: N/A LATA: Grand Rapids MI (348) Tandem: GDRPMIBL10T 🔧 Explore Switch(CLLI: MRNEMIMNRSA))
616-677-1XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	MARNE	MRNEMIMNRSA	N/A	Prefix Type: RBOC Switch Name: MARNE Switch Type: N/A LATA: Grand Rapids MI (348) Tandem: GDRPMIBL10T 🔧 Explore Switch(CLLI: MRNEMIMNRSA))
616-677-2XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	MARNE	MRNEMIMNRSA	N/A	Prefix Type: RBOC Switch Name: MARNE Switch Type: N/A LATA: Grand Rapids MI (348) Tandem: GDRPMIBL10T 🔧 Explore Switch(CLLI: MRNEMIMNRSA))
616-677-3XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	MARNE	MRNEMIMNRSA	N/A	Prefix Type: RBOC Switch Name: MARNE Switch Type: N/A LATA: Grand Rapids MI (348) Tandem: GDRPMIBL10T 🔧 Explore Switch(CLLI: MRNEMIMNRSA))
616-677-5XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	MARNE	MRNEMIMNRSA	N/A	Prefix Type: RBOC Switch Name: MARNE Switch Type: N/A LATA: Grand Rapids MI (348) Tandem: GDRPMIBL10T 🔧 Explore Switch(CLLI: MRNEMIMNRSA))
616-677-6XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	MARNE	MRNEMIMNRSA	N/A	Prefix Type: RBOC Switch Name: MARNE Switch Type: N/A LATA: Grand Rapids MI (348) Tandem: GDRPMIBL10T 🔧 Explore Switch(CLLI: MRNEMIMNRSA))
616-677-9XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	MARNE	MRNEMIMNRSA	N/A	Prefix Type: RBOC Switch Name: MARNE Switch Type: N/A LATA: Grand Rapids MI (348) Tandem: GDRPMIBL10T 🔧 Explore Switch(CLLI: MRNEMIMNRSA))
616-678	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	KENT CITY	CSNVMICBRSA	00/00/0000	Prefix Type: RBOC Switch Name: CASNOVIA Switch Type: N/A LATA: Grand Rapids MI (348) Tandem: GDRPMIBL10T 🔧 Explore Switch(CLLI: CSNVMICBRSA))
616-678 is split into 1,000-number blocks - detail below
616-678-4XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	KENT CITY	CSNVMICBRSA	N/A	Prefix Type: RBOC Switch Name: CASNOVIA Switch Type: N/A LATA: Grand Rapids MI (348) Tandem: GDRPMIBL10T 🔧 Explore Switch(CLLI: CSNVMICBRSA))
616-678-5XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	KENT CITY	CSNVMICBRSA	N/A	Prefix Type: RBOC Switch Name: CASNOVIA Switch Type: N/A LATA: Grand Rapids MI (348) Tandem: GDRPMIBL10T 🔧 Explore Switch(CLLI: CSNVMICBRSA))
616-678-7XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	KENT CITY	CSNVMICBRSA	N/A	Prefix Type: RBOC Switch Name: CASNOVIA Switch Type: N/A LATA: Grand Rapids MI (348) Tandem: GDRPMIBL10T 🔧 Explore Switch(CLLI: CSNVMICBRSA))
616-681	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	DORR	DORRMIMNRSA	00/00/0000	Prefix Type: RBOC Switch Name: DORR Switch Type: N/A LATA: Grand Rapids MI (348) Tandem: GDRPMIBL10T 🔧 Explore Switch(CLLI: DORRMIMNRSA))
616-681 is split into 1,000-number blocks - detail below
616-681-0XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	DORR	DORRMIMNRSA	N/A	Prefix Type: RBOC Switch Name: DORR Switch Type: N/A LATA: Grand Rapids MI (348) Tandem: GDRPMIBL10T 🔧 Explore Switch(CLLI: DORRMIMNRSA))
616-681-2XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	DORR	DORRMIMNRSA	N/A	Prefix Type: RBOC Switch Name: DORR Switch Type: N/A LATA: Grand Rapids MI (348) Tandem: GDRPMIBL10T 🔧 Explore Switch(CLLI: DORRMIMNRSA))
616-681-9XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	DORR	DORRMIMNRSA	N/A	Prefix Type: RBOC Switch Name: DORR Switch Type: N/A LATA: Grand Rapids MI (348) Tandem: GDRPMIBL10T 🔧 Explore Switch(CLLI: DORRMIMNRSA))
616-682	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	ADA	ADA MIMNDS0	00/00/0000	Prefix Type: RBOC Switch Name: ADA Switch Type: Northern Telecom DMS100 (Digital) Host LATA: Grand Rapids MI (348) Tandem: N/A 🔧 Explore Switch(CLLI: ADA MIMNDS0))
616-682 is split into 1,000-number blocks - detail below
616-682-0XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	ADA	ADA MIMNDS0	N/A	Prefix Type: RBOC Switch Name: ADA Switch Type: Northern Telecom DMS100 (Digital) Host LATA: Grand Rapids MI (348) Tandem: N/A 🔧 Explore Switch(CLLI: ADA MIMNDS0))
616-682-1XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	ADA	ADA MIMNDS0	N/A	Prefix Type: RBOC Switch Name: ADA Switch Type: Northern Telecom DMS100 (Digital) Host LATA: Grand Rapids MI (348) Tandem: N/A 🔧 Explore Switch(CLLI: ADA MIMNDS0))
616-682-2XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	ADA	ADA MIMNDS0	N/A	Prefix Type: RBOC Switch Name: ADA Switch Type: Northern Telecom DMS100 (Digital) Host LATA: Grand Rapids MI (348) Tandem: N/A 🔧 Explore Switch(CLLI: ADA MIMNDS0))
616-682-4XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	ADA	ADA MIMNDS0	N/A	Prefix Type: RBOC Switch Name: ADA Switch Type: Northern Telecom DMS100 (Digital) Host LATA: Grand Rapids MI (348) Tandem: N/A 🔧 Explore Switch(CLLI: ADA MIMNDS0))
616-682-8XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	ADA	ADA MIMNDS0	N/A	Prefix Type: RBOC Switch Name: ADA Switch Type: Northern Telecom DMS100 (Digital) Host LATA: Grand Rapids MI (348) Tandem: N/A 🔧 Explore Switch(CLLI: ADA MIMNDS0))
616-682-9XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	ADA	ADA MIMNDS0	N/A	Prefix Type: RBOC Switch Name: ADA Switch Type: Northern Telecom DMS100 (Digital) Host LATA: Grand Rapids MI (348) Tandem: N/A 🔧 Explore Switch(CLLI: ADA MIMNDS0))
616-685	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	GRAND RPDS	GDRPMIBLDS1	07/03/2007	Prefix Type: RBOC Switch Name: GRAND RAPIDS BL DS1 Switch Type: DMS100 LATA: Grand Rapids MI (348) Tandem: GDRPMIBL21T 🔧 Explore Switch(CLLI: GDRPMIBLDS1))
616-685 is split into 1,000-number blocks - detail below
616-685-1XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	GRAND RPDS	GDRPMIBLDS1	07/03/2007	Prefix Type: RBOC Switch Name: GRAND RAPIDS BL DS1 Switch Type: DMS100 LATA: Grand Rapids MI (348) Tandem: GDRPMIBL21T 🔧 Explore Switch(CLLI: GDRPMIBLDS1))
616-685-2XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	GRAND RPDS	GDRPMIBLDS1	07/03/2007	Prefix Type: RBOC Switch Name: GRAND RAPIDS BL DS1 Switch Type: DMS100 LATA: Grand Rapids MI (348) Tandem: GDRPMIBL21T 🔧 Explore Switch(CLLI: GDRPMIBLDS1))
616-685-3XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	GRAND RPDS	GDRPMIBLDS1	07/03/2007	Prefix Type: RBOC Switch Name: GRAND RAPIDS BL DS1 Switch Type: DMS100 LATA: Grand Rapids MI (348) Tandem: GDRPMIBL21T 🔧 Explore Switch(CLLI: GDRPMIBLDS1))
616-685-4XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	GRAND RPDS	GDRPMIBLDS1	07/03/2007	Prefix Type: RBOC Switch Name: GRAND RAPIDS BL DS1 Switch Type: DMS100 LATA: Grand Rapids MI (348) Tandem: GDRPMIBL21T 🔧 Explore Switch(CLLI: GDRPMIBLDS1))
616-685-5XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	GRAND RPDS	GDRPMIBLDS1	07/03/2007	Prefix Type: RBOC Switch Name: GRAND RAPIDS BL DS1 Switch Type: DMS100 LATA: Grand Rapids MI (348) Tandem: GDRPMIBL21T 🔧 Explore Switch(CLLI: GDRPMIBLDS1))
616-685-6XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	GRAND RPDS	GDRPMIBLDS1	07/03/2007	Prefix Type: RBOC Switch Name: GRAND RAPIDS BL DS1 Switch Type: DMS100 LATA: Grand Rapids MI (348) Tandem: GDRPMIBL21T 🔧 Explore Switch(CLLI: GDRPMIBLDS1))
616-685-7XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	GRAND RPDS	GDRPMIBLDS1	07/03/2007	Prefix Type: RBOC Switch Name: GRAND RAPIDS BL DS1 Switch Type: DMS100 LATA: Grand Rapids MI (348) Tandem: GDRPMIBL21T 🔧 Explore Switch(CLLI: GDRPMIBLDS1))
616-685-8XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	GRAND RPDS	GDRPMIBLDS1	07/03/2007	Prefix Type: RBOC Switch Name: GRAND RAPIDS BL DS1 Switch Type: DMS100 LATA: Grand Rapids MI (348) Tandem: GDRPMIBL21T 🔧 Explore Switch(CLLI: GDRPMIBLDS1))
616-691	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	GRATTAN	GRTNMIMNRSA	00/00/0000	Prefix Type: RBOC Switch Name: GRATTAN Switch Type: N/A LATA: Grand Rapids MI (348) Tandem: GDRPMIBL10T 🔧 Explore Switch(CLLI: GRTNMIMNRSA))
616-691 is split into 1,000-number blocks - detail below
616-691-7XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	GRATTAN	GRTNMIMNRSA	N/A	Prefix Type: RBOC Switch Name: GRATTAN Switch Type: N/A LATA: Grand Rapids MI (348) Tandem: GDRPMIBL10T 🔧 Explore Switch(CLLI: GRTNMIMNRSA))
616-691-8XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	GRATTAN	GRTNMIMNRSA	N/A	Prefix Type: RBOC Switch Name: GRATTAN Switch Type: N/A LATA: Grand Rapids MI (348) Tandem: GDRPMIBL10T 🔧 Explore Switch(CLLI: GRTNMIMNRSA))
616-693	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	CLARKSVL	CLVLMIMNRSA	00/00/0000	Prefix Type: RBOC Switch Name: CLARKSVILLE Switch Type: N/A LATA: Grand Rapids MI (348) Tandem: GDRPMIBL21T 🔧 Explore Switch(CLLI: CLVLMIMNRSA))
616-693 is split into 1,000-number blocks - detail below
616-693-2XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	CLARKSVL	CLVLMIMNRSA	N/A	Prefix Type: RBOC Switch Name: CLARKSVILLE Switch Type: N/A LATA: Grand Rapids MI (348) Tandem: GDRPMIBL21T 🔧 Explore Switch(CLLI: CLVLMIMNRSA))
616-696	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	CEDAR SPG	CDSPMIMNRSA	00/00/0000	Prefix Type: RBOC Switch Name: CEDAR SPRINGS Switch Type: N/A LATA: Grand Rapids MI (348) Tandem: GDRPMIBL21T 🔧 Explore Switch(CLLI: CDSPMIMNRSA))
616-698	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	DUTTON	DTTNMIMNDS0	00/00/0000	Prefix Type: RBOC Switch Name: DUTTON MN Switch Type: DMS100 LATA: Grand Rapids MI (348) Tandem: GDRPMIBL10T 🔧 Explore Switch(CLLI: DTTNMIMNDS0))
616-717	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	GRAND RPDS	WYNGMILXDS0	00/00/0000	Prefix Type: RBOC Switch Name: WYOMING LENOX Switch Type: DMS100 LATA: Grand Rapids MI (348) Tandem: GDRPMIBL10T 🔧 Explore Switch(CLLI: WYNGMILXDS0))
616-717 is split into 1,000-number blocks - detail below
616-717-4XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	GRAND RPDS	WYNGMILXDS0	N/A	Prefix Type: RBOC Switch Name: WYOMING LENOX Switch Type: DMS100 LATA: Grand Rapids MI (348) Tandem: GDRPMIBL10T 🔧 Explore Switch(CLLI: WYNGMILXDS0))
616-717-6XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	GRAND RPDS	WYNGMILXDS0	N/A	Prefix Type: RBOC Switch Name: WYOMING LENOX Switch Type: DMS100 LATA: Grand Rapids MI (348) Tandem: GDRPMIBL10T 🔧 Explore Switch(CLLI: WYNGMILXDS0))
616-717-7XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	GRAND RPDS	WYNGMILXDS0	N/A	Prefix Type: RBOC Switch Name: WYOMING LENOX Switch Type: DMS100 LATA: Grand Rapids MI (348) Tandem: GDRPMIBL10T 🔧 Explore Switch(CLLI: WYNGMILXDS0))
616-717-9XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	GRAND RPDS	WYNGMILXDS0	N/A	Prefix Type: RBOC Switch Name: WYOMING LENOX Switch Type: DMS100 LATA: Grand Rapids MI (348) Tandem: GDRPMIBL10T 🔧 Explore Switch(CLLI: WYNGMILXDS0))
616-724	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	GRAND RPDS	WYNGMILXDS0	00/00/0000	Prefix Type: RBOC Switch Name: WYOMING LENOX Switch Type: DMS100 LATA: Grand Rapids MI (348) Tandem: GDRPMIBL10T 🔧 Explore Switch(CLLI: WYNGMILXDS0))
616-724 is split into 1,000-number blocks - detail below
616-724-1XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	GRAND RPDS	WYNGMILXDS0	N/A	Prefix Type: RBOC Switch Name: WYOMING LENOX Switch Type: DMS100 LATA: Grand Rapids MI (348) Tandem: GDRPMIBL10T 🔧 Explore Switch(CLLI: WYNGMILXDS0))
616-724-2XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	GRAND RPDS	WYNGMILXDS0	N/A	Prefix Type: RBOC Switch Name: WYOMING LENOX Switch Type: DMS100 LATA: Grand Rapids MI (348) Tandem: GDRPMIBL10T 🔧 Explore Switch(CLLI: WYNGMILXDS0))
616-724-3XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	GRAND RPDS	WYNGMILXDS0	N/A	Prefix Type: RBOC Switch Name: WYOMING LENOX Switch Type: DMS100 LATA: Grand Rapids MI (348) Tandem: GDRPMIBL10T 🔧 Explore Switch(CLLI: WYNGMILXDS0))
616-732	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	GRAND RPDS	GDRPMIBLDS1	00/00/0000	Prefix Type: RBOC Switch Name: GRAND RAPIDS BL DS1 Switch Type: DMS100 LATA: Grand Rapids MI (348) Tandem: GDRPMIBL21T 🔧 Explore Switch(CLLI: GDRPMIBLDS1))
616-735	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	GRAND RPDS	GDRPMIWSDS0	00/00/0000	Prefix Type: RBOC Switch Name: GRAND RAPIDS WS DS0 Switch Type: DMS100 LATA: Grand Rapids MI (348) Tandem: GDRPMIBL21T 🔧 Explore Switch(CLLI: GDRPMIWSDS0))
616-738	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	HOLLAND	HLLDMINRDS0	00/00/0000	Prefix Type: RBOC Switch Name: HOLLAND NR Switch Type: DMS100 LATA: Grand Rapids MI (348) Tandem: GDRPMIBL10T 🔧 Explore Switch(CLLI: HLLDMINRDS0))
616-742	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	GRAND RPDS	GDRPMIBLDS1	00/00/0000	Prefix Type: RBOC Switch Name: GRAND RAPIDS BL DS1 Switch Type: DMS100 LATA: Grand Rapids MI (348) Tandem: GDRPMIBL21T 🔧 Explore Switch(CLLI: GDRPMIBLDS1))
616-748	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	ZEELAND	ZELDMIZLDS0	00/00/0000	Prefix Type: RBOC Switch Name: ZEELAND DS0 Switch Type: DMS100 LATA: Grand Rapids MI (348) Tandem: GDRPMIBL10T 🔧 Explore Switch(CLLI: ZELDMIZLDS0))
616-752	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	GRAND RPDS	GDRPMIBLDS1	00/00/0000	Prefix Type: RBOC Switch Name: GRAND RAPIDS BL DS1 Switch Type: DMS100 LATA: Grand Rapids MI (348) Tandem: GDRPMIBL21T 🔧 Explore Switch(CLLI: GDRPMIBLDS1))
616-752 is split into 1,000-number blocks - detail below
616-752-1XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	GRAND RPDS	GDRPMIBLDS1	N/A	Prefix Type: RBOC Switch Name: GRAND RAPIDS BL DS1 Switch Type: DMS100 LATA: Grand Rapids MI (348) Tandem: GDRPMIBL21T 🔧 Explore Switch(CLLI: GDRPMIBLDS1))
616-752-2XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	GRAND RPDS	GDRPMIBLDS1	N/A	Prefix Type: RBOC Switch Name: GRAND RAPIDS BL DS1 Switch Type: DMS100 LATA: Grand Rapids MI (348) Tandem: GDRPMIBL21T 🔧 Explore Switch(CLLI: GDRPMIBLDS1))
616-752-3XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	GRAND RPDS	GDRPMIBLDS1	N/A	Prefix Type: RBOC Switch Name: GRAND RAPIDS BL DS1 Switch Type: DMS100 LATA: Grand Rapids MI (348) Tandem: GDRPMIBL21T 🔧 Explore Switch(CLLI: GDRPMIBLDS1))
616-752-4XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	GRAND RPDS	GDRPMIBLDS1	N/A	Prefix Type: RBOC Switch Name: GRAND RAPIDS BL DS1 Switch Type: DMS100 LATA: Grand Rapids MI (348) Tandem: GDRPMIBL21T 🔧 Explore Switch(CLLI: GDRPMIBLDS1))
616-752-8XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	GRAND RPDS	GDRPMIBLDS1	N/A	Prefix Type: RBOC Switch Name: GRAND RAPIDS BL DS1 Switch Type: DMS100 LATA: Grand Rapids MI (348) Tandem: GDRPMIBL21T 🔧 Explore Switch(CLLI: GDRPMIBLDS1))
616-754	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	GREENVILLE	GNVLMIMNRS1	00/00/0000	Prefix Type: RBOC Switch Name: GREENVILLE Switch Type: N/A LATA: Grand Rapids MI (348) Tandem: GDRPMIBL21T 🔧 Explore Switch(CLLI: GNVLMIMNRS1))
616-765	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	FREEPORT	FRPTMIFPRS1	00/00/0000	Prefix Type: RBOC Switch Name: FREEPORT Switch Type: N/A LATA: Grand Rapids MI (348) Tandem: GDRPMIBL10T 🔧 Explore Switch(CLLI: FRPTMIFPRS1))
616-765 is split into 1,000-number blocks - detail below
616-765-3XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	FREEPORT	FRPTMIFPRS1	N/A	Prefix Type: RBOC Switch Name: FREEPORT Switch Type: N/A LATA: Grand Rapids MI (348) Tandem: GDRPMIBL10T 🔧 Explore Switch(CLLI: FRPTMIFPRS1))
616-765-5XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	FREEPORT	FRPTMIFPRS1	N/A	Prefix Type: RBOC Switch Name: FREEPORT Switch Type: N/A LATA: Grand Rapids MI (348) Tandem: GDRPMIBL10T 🔧 Explore Switch(CLLI: FRPTMIFPRS1))
616-770	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	GRAND RPDS	GDRPMIBL770	00/00/0000	Prefix Type: RBOC Switch Name: GRAND RAPIDS Switch Type: WECO 1AESS LATA: Grand Rapids MI (348) Tandem: N/A 🔧 Explore Switch(CLLI: GDRPMIBL770))
616-771	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	GRAND RPDS	GDRPMIBLDS1	00/00/0000	Prefix Type: RBOC Switch Name: GRAND RAPIDS BL DS1 Switch Type: DMS100 LATA: Grand Rapids MI (348) Tandem: GDRPMIBL21T 🔧 Explore Switch(CLLI: GDRPMIBLDS1))
616-772	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	ZEELAND	ZELDMIZLDS0	00/00/0000	Prefix Type: RBOC Switch Name: ZEELAND DS0 Switch Type: DMS100 LATA: Grand Rapids MI (348) Tandem: GDRPMIBL10T 🔧 Explore Switch(CLLI: ZELDMIZLDS0))
616-774	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	GRAND RPDS	GDRPMIBLDS1	00/00/0000	Prefix Type: RBOC Switch Name: GRAND RAPIDS BL DS1 Switch Type: DMS100 LATA: Grand Rapids MI (348) Tandem: GDRPMIBL21T 🔧 Explore Switch(CLLI: GDRPMIBLDS1))
616-776	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	GRAND RPDS	GDRPMIBLDS1	00/00/0000	Prefix Type: RBOC Switch Name: GRAND RAPIDS BL DS1 Switch Type: DMS100 LATA: Grand Rapids MI (348) Tandem: GDRPMIBL21T 🔧 Explore Switch(CLLI: GDRPMIBLDS1))
616-784	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	GRAND RPDS	CMPKMICPDS0	00/00/0000	Prefix Type: RBOC Switch Name: COMSTOCK PARK Switch Type: 5ESS LATA: Grand Rapids MI (348) Tandem: GDRPMIBL21T 🔧 Explore Switch(CLLI: CMPKMICPDS0))
616-785	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	GRAND RPDS	CMPKMICPDS0	00/00/0000	Prefix Type: RBOC Switch Name: COMSTOCK PARK Switch Type: 5ESS LATA: Grand Rapids MI (348) Tandem: GDRPMIBL21T 🔧 Explore Switch(CLLI: CMPKMICPDS0))
616-786	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	HOLLAND	HLLDMINRDS0	00/00/0000	Prefix Type: RBOC Switch Name: HOLLAND NR Switch Type: DMS100 LATA: Grand Rapids MI (348) Tandem: GDRPMIBL10T 🔧 Explore Switch(CLLI: HLLDMINRDS0))
616-787	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	ADA	ADA MIMNDS0	00/00/0000	Prefix Type: RBOC Switch Name: ADA Switch Type: Northern Telecom DMS100 (Digital) Host LATA: Grand Rapids MI (348) Tandem: N/A 🔧 Explore Switch(CLLI: ADA MIMNDS0))
616-791	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	GRAND RPDS	GDRPMIWSDS0	00/00/0000	Prefix Type: RBOC Switch Name: GRAND RAPIDS WS DS0 Switch Type: DMS100 LATA: Grand Rapids MI (348) Tandem: GDRPMIBL21T 🔧 Explore Switch(CLLI: GDRPMIWSDS0))
616-794	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	BELDING	BLDNMIMNRSA	00/00/0000	Prefix Type: RBOC Switch Name: BELDING Switch Type: N/A LATA: Grand Rapids MI (348) Tandem: GDRPMIBL21T 🔧 Explore Switch(CLLI: BLDNMIMNRSA))
616-794 is split into 1,000-number blocks - detail below
616-794-0XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	BELDING	BLDNMIMNRSA	N/A	Prefix Type: RBOC Switch Name: BELDING Switch Type: N/A LATA: Grand Rapids MI (348) Tandem: GDRPMIBL21T 🔧 Explore Switch(CLLI: BLDNMIMNRSA))
616-794-1XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	BELDING	BLDNMIMNRSA	N/A	Prefix Type: RBOC Switch Name: BELDING Switch Type: N/A LATA: Grand Rapids MI (348) Tandem: GDRPMIBL21T 🔧 Explore Switch(CLLI: BLDNMIMNRSA))
616-794-2XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	BELDING	BLDNMIMNRSA	N/A	Prefix Type: RBOC Switch Name: BELDING Switch Type: N/A LATA: Grand Rapids MI (348) Tandem: GDRPMIBL21T 🔧 Explore Switch(CLLI: BLDNMIMNRSA))
616-794-3XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	BELDING	BLDNMIMNRSA	N/A	Prefix Type: RBOC Switch Name: BELDING Switch Type: N/A LATA: Grand Rapids MI (348) Tandem: GDRPMIBL21T 🔧 Explore Switch(CLLI: BLDNMIMNRSA))
616-794-4XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	BELDING	BLDNMIMNRSA	N/A	Prefix Type: RBOC Switch Name: BELDING Switch Type: N/A LATA: Grand Rapids MI (348) Tandem: GDRPMIBL21T 🔧 Explore Switch(CLLI: BLDNMIMNRSA))
616-794-5XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	BELDING	BLDNMIMNRSA	N/A	Prefix Type: RBOC Switch Name: BELDING Switch Type: N/A LATA: Grand Rapids MI (348) Tandem: GDRPMIBL21T 🔧 Explore Switch(CLLI: BLDNMIMNRSA))
616-794-7XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	BELDING	BLDNMIMNRSA	N/A	Prefix Type: RBOC Switch Name: BELDING Switch Type: N/A LATA: Grand Rapids MI (348) Tandem: GDRPMIBL21T 🔧 Explore Switch(CLLI: BLDNMIMNRSA))
616-794-9XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	BELDING	BLDNMIMNRSA	N/A	Prefix Type: RBOC Switch Name: BELDING Switch Type: N/A LATA: Grand Rapids MI (348) Tandem: GDRPMIBL21T 🔧 Explore Switch(CLLI: BLDNMIMNRSA))
616-803	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	DUTTON	DTTNMIMNDS0	02/15/2006	Prefix Type: RBOC Switch Name: DUTTON MN Switch Type: DMS100 LATA: Grand Rapids MI (348) Tandem: GDRPMIBL10T 🔧 Explore Switch(CLLI: DTTNMIMNDS0))
616-803 is split into 1,000-number blocks - detail below
616-803-2XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	DUTTON	DTTNMIMNDS0	02/21/2006	Prefix Type: RBOC Switch Name: DUTTON MN Switch Type: DMS100 LATA: Grand Rapids MI (348) Tandem: GDRPMIBL10T 🔧 Explore Switch(CLLI: DTTNMIMNDS0))
616-803-3XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	DUTTON	DTTNMIMNDS0	02/21/2006	Prefix Type: RBOC Switch Name: DUTTON MN Switch Type: DMS100 LATA: Grand Rapids MI (348) Tandem: GDRPMIBL10T 🔧 Explore Switch(CLLI: DTTNMIMNDS0))
616-803-4XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	DUTTON	DTTNMIMNDS0	02/21/2006	Prefix Type: RBOC Switch Name: DUTTON MN Switch Type: DMS100 LATA: Grand Rapids MI (348) Tandem: GDRPMIBL10T 🔧 Explore Switch(CLLI: DTTNMIMNDS0))
616-827	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	GRAND RPDS	DTTNMIMNDS0	00/00/0000	Prefix Type: RBOC Switch Name: DUTTON MN Switch Type: DMS100 LATA: Grand Rapids MI (348) Tandem: GDRPMIBL10T 🔧 Explore Switch(CLLI: DTTNMIMNDS0))
616-827 is split into 1,000-number blocks - detail below
616-827-0XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	GRAND RPDS	DTTNMIMNDS0	N/A	Prefix Type: RBOC Switch Name: DUTTON MN Switch Type: DMS100 LATA: Grand Rapids MI (348) Tandem: GDRPMIBL10T 🔧 Explore Switch(CLLI: DTTNMIMNDS0))
616-827-1XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	GRAND RPDS	DTTNMIMNDS0	N/A	Prefix Type: RBOC Switch Name: DUTTON MN Switch Type: DMS100 LATA: Grand Rapids MI (348) Tandem: GDRPMIBL10T 🔧 Explore Switch(CLLI: DTTNMIMNDS0))
616-827-2XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	GRAND RPDS	DTTNMIMNDS0	N/A	Prefix Type: RBOC Switch Name: DUTTON MN Switch Type: DMS100 LATA: Grand Rapids MI (348) Tandem: GDRPMIBL10T 🔧 Explore Switch(CLLI: DTTNMIMNDS0))
616-827-3XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	GRAND RPDS	DTTNMIMNDS0	N/A	Prefix Type: RBOC Switch Name: DUTTON MN Switch Type: DMS100 LATA: Grand Rapids MI (348) Tandem: GDRPMIBL10T 🔧 Explore Switch(CLLI: DTTNMIMNDS0))
616-827-5XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	GRAND RPDS	DTTNMIMNDS0	N/A	Prefix Type: RBOC Switch Name: DUTTON MN Switch Type: DMS100 LATA: Grand Rapids MI (348) Tandem: GDRPMIBL10T 🔧 Explore Switch(CLLI: DTTNMIMNDS0))
616-827-6XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	GRAND RPDS	DTTNMIMNDS0	N/A	Prefix Type: RBOC Switch Name: DUTTON MN Switch Type: DMS100 LATA: Grand Rapids MI (348) Tandem: GDRPMIBL10T 🔧 Explore Switch(CLLI: DTTNMIMNDS0))
616-827-8XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	GRAND RPDS	DTTNMIMNDS0	N/A	Prefix Type: RBOC Switch Name: DUTTON MN Switch Type: DMS100 LATA: Grand Rapids MI (348) Tandem: GDRPMIBL10T 🔧 Explore Switch(CLLI: DTTNMIMNDS0))
616-827-9XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	GRAND RPDS	DTTNMIMNDS0	N/A	Prefix Type: RBOC Switch Name: DUTTON MN Switch Type: DMS100 LATA: Grand Rapids MI (348) Tandem: GDRPMIBL10T 🔧 Explore Switch(CLLI: DTTNMIMNDS0))
616-840	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	GRAND RPDS	GDRPMIBLDS1	00/00/0000	Prefix Type: RBOC Switch Name: GRAND RAPIDS BL DS1 Switch Type: DMS100 LATA: Grand Rapids MI (348) Tandem: GDRPMIBL21T 🔧 Explore Switch(CLLI: GDRPMIBLDS1))
616-840 is split into 1,000-number blocks - detail below
616-840-7XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	GRAND RPDS	GDRPMIBLDS1	N/A	Prefix Type: RBOC Switch Name: GRAND RAPIDS BL DS1 Switch Type: DMS100 LATA: Grand Rapids MI (348) Tandem: GDRPMIBL21T 🔧 Explore Switch(CLLI: GDRPMIBLDS1))
616-840-8XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	GRAND RPDS	GDRPMIBLDS1	N/A	Prefix Type: RBOC Switch Name: GRAND RAPIDS BL DS1 Switch Type: DMS100 LATA: Grand Rapids MI (348) Tandem: GDRPMIBL21T 🔧 Explore Switch(CLLI: GDRPMIBLDS1))
616-840-9XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	GRAND RPDS	GDRPMIBLDS1	N/A	Prefix Type: RBOC Switch Name: GRAND RAPIDS BL DS1 Switch Type: DMS100 LATA: Grand Rapids MI (348) Tandem: GDRPMIBL21T 🔧 Explore Switch(CLLI: GDRPMIBLDS1))
616-842	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	GRANDHAVEN	GRHVMIMNDS0	00/00/0000	Prefix Type: RBOC Switch Name: GRAND HAVEN Switch Type: 5ESS LATA: Grand Rapids MI (348) Tandem: GDRPMIBL10T 🔧 Explore Switch(CLLI: GRHVMIMNDS0))
616-844	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	GRANDHAVEN	GRHVMIMNDS0	00/00/0000	Prefix Type: RBOC Switch Name: GRAND HAVEN Switch Type: 5ESS LATA: Grand Rapids MI (348) Tandem: GDRPMIBL10T 🔧 Explore Switch(CLLI: GRHVMIMNDS0))
616-844 is split into 1,000-number blocks - detail below
616-844-0XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	GRANDHAVEN	GRHVMIMNDS0	N/A	Prefix Type: RBOC Switch Name: GRAND HAVEN Switch Type: 5ESS LATA: Grand Rapids MI (348) Tandem: GDRPMIBL10T 🔧 Explore Switch(CLLI: GRHVMIMNDS0))
616-844-1XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	GRANDHAVEN	GRHVMIMNDS0	N/A	Prefix Type: RBOC Switch Name: GRAND HAVEN Switch Type: 5ESS LATA: Grand Rapids MI (348) Tandem: GDRPMIBL10T 🔧 Explore Switch(CLLI: GRHVMIMNDS0))
616-844-2XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	GRANDHAVEN	GRHVMIMNDS0	N/A	Prefix Type: RBOC Switch Name: GRAND HAVEN Switch Type: 5ESS LATA: Grand Rapids MI (348) Tandem: GDRPMIBL10T 🔧 Explore Switch(CLLI: GRHVMIMNDS0))
616-844-3XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	GRANDHAVEN	GRHVMIMNDS0	N/A	Prefix Type: RBOC Switch Name: GRAND HAVEN Switch Type: 5ESS LATA: Grand Rapids MI (348) Tandem: GDRPMIBL10T 🔧 Explore Switch(CLLI: GRHVMIMNDS0))
616-844-4XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	GRANDHAVEN	GRHVMIMNDS0	N/A	Prefix Type: RBOC Switch Name: GRAND HAVEN Switch Type: 5ESS LATA: Grand Rapids MI (348) Tandem: GDRPMIBL10T 🔧 Explore Switch(CLLI: GRHVMIMNDS0))
616-844-5XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	GRANDHAVEN	GRHVMIMNDS0	N/A	Prefix Type: RBOC Switch Name: GRAND HAVEN Switch Type: 5ESS LATA: Grand Rapids MI (348) Tandem: GDRPMIBL10T 🔧 Explore Switch(CLLI: GRHVMIMNDS0))
616-844-6XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	GRANDHAVEN	GRHVMIMNDS0	N/A	Prefix Type: RBOC Switch Name: GRAND HAVEN Switch Type: 5ESS LATA: Grand Rapids MI (348) Tandem: GDRPMIBL10T 🔧 Explore Switch(CLLI: GRHVMIMNDS0))
616-844-7XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	GRANDHAVEN	GRHVMIMNDS0	N/A	Prefix Type: RBOC Switch Name: GRAND HAVEN Switch Type: 5ESS LATA: Grand Rapids MI (348) Tandem: GDRPMIBL10T 🔧 Explore Switch(CLLI: GRHVMIMNDS0))
616-844-9XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	GRANDHAVEN	GRHVMIMNDS0	N/A	Prefix Type: RBOC Switch Name: GRAND HAVEN Switch Type: 5ESS LATA: Grand Rapids MI (348) Tandem: GDRPMIBL10T 🔧 Explore Switch(CLLI: GRHVMIMNDS0))
616-846	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	GRANDHAVEN	GRHVMIMNDS0	00/00/0000	Prefix Type: RBOC Switch Name: GRAND HAVEN Switch Type: 5ESS LATA: Grand Rapids MI (348) Tandem: GDRPMIBL10T 🔧 Explore Switch(CLLI: GRHVMIMNDS0))
616-847	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	GRANDHAVEN	GRHVMIMNDS0	00/00/0000	Prefix Type: RBOC Switch Name: GRAND HAVEN Switch Type: 5ESS LATA: Grand Rapids MI (348) Tandem: GDRPMIBL10T 🔧 Explore Switch(CLLI: GRHVMIMNDS0))
616-850	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	GRANDHAVEN	GRHVMIMNDS0	00/00/0000	Prefix Type: RBOC Switch Name: GRAND HAVEN Switch Type: 5ESS LATA: Grand Rapids MI (348) Tandem: GDRPMIBL10T 🔧 Explore Switch(CLLI: GRHVMIMNDS0))
616-850 is split into 1,000-number blocks - detail below
616-850-0XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	GRANDHAVEN	GRHVMIMNDS0	N/A	Prefix Type: RBOC Switch Name: GRAND HAVEN Switch Type: 5ESS LATA: Grand Rapids MI (348) Tandem: GDRPMIBL10T 🔧 Explore Switch(CLLI: GRHVMIMNDS0))
616-850-1XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	GRANDHAVEN	GRHVMIMNDS0	N/A	Prefix Type: RBOC Switch Name: GRAND HAVEN Switch Type: 5ESS LATA: Grand Rapids MI (348) Tandem: GDRPMIBL10T 🔧 Explore Switch(CLLI: GRHVMIMNDS0))
616-850-2XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	GRANDHAVEN	GRHVMIMNDS0	N/A	Prefix Type: RBOC Switch Name: GRAND HAVEN Switch Type: 5ESS LATA: Grand Rapids MI (348) Tandem: GDRPMIBL10T 🔧 Explore Switch(CLLI: GRHVMIMNDS0))
616-850-3XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	GRANDHAVEN	GRHVMIMNDS0	N/A	Prefix Type: RBOC Switch Name: GRAND HAVEN Switch Type: 5ESS LATA: Grand Rapids MI (348) Tandem: GDRPMIBL10T 🔧 Explore Switch(CLLI: GRHVMIMNDS0))
616-850-5XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	GRANDHAVEN	GRHVMIMNDS0	N/A	Prefix Type: RBOC Switch Name: GRAND HAVEN Switch Type: 5ESS LATA: Grand Rapids MI (348) Tandem: GDRPMIBL10T 🔧 Explore Switch(CLLI: GRHVMIMNDS0))
616-850-6XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	GRANDHAVEN	GRHVMIMNDS0	N/A	Prefix Type: RBOC Switch Name: GRAND HAVEN Switch Type: 5ESS LATA: Grand Rapids MI (348) Tandem: GDRPMIBL10T 🔧 Explore Switch(CLLI: GRHVMIMNDS0))
616-850-7XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	GRANDHAVEN	GRHVMIMNDS0	N/A	Prefix Type: RBOC Switch Name: GRAND HAVEN Switch Type: 5ESS LATA: Grand Rapids MI (348) Tandem: GDRPMIBL10T 🔧 Explore Switch(CLLI: GRHVMIMNDS0))
616-850-8XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	GRANDHAVEN	GRHVMIMNDS0	N/A	Prefix Type: RBOC Switch Name: GRAND HAVEN Switch Type: 5ESS LATA: Grand Rapids MI (348) Tandem: GDRPMIBL10T 🔧 Explore Switch(CLLI: GRHVMIMNDS0))
616-850-9XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	GRANDHAVEN	GRHVMIMNDS0	N/A	Prefix Type: RBOC Switch Name: GRAND HAVEN Switch Type: 5ESS LATA: Grand Rapids MI (348) Tandem: GDRPMIBL10T 🔧 Explore Switch(CLLI: GRHVMIMNDS0))
616-860	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	HOLLAND	HLLDMIMNDS0	00/00/0000	Prefix Type: RBOC Switch Name: HOLLAND Switch Type: DMS100 LATA: Grand Rapids MI (348) Tandem: GDRPMIBL10T 🔧 Explore Switch(CLLI: HLLDMIMNDS0))
616-863	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	ROCKFORD	RCFRMIMNRS1	00/00/0000	Prefix Type: RBOC Switch Name: ROCKFORD Switch Type: N/A LATA: Grand Rapids MI (348) Tandem: GDRPMIBL21T 🔧 Explore Switch(CLLI: RCFRMIMNRS1))
616-863 is split into 1,000-number blocks - detail below
616-863-0XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	ROCKFORD	RCFRMIMNRS1	N/A	Prefix Type: RBOC Switch Name: ROCKFORD Switch Type: N/A LATA: Grand Rapids MI (348) Tandem: GDRPMIBL21T 🔧 Explore Switch(CLLI: RCFRMIMNRS1))
616-863-1XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	ROCKFORD	RCFRMIMNRS1	N/A	Prefix Type: RBOC Switch Name: ROCKFORD Switch Type: N/A LATA: Grand Rapids MI (348) Tandem: GDRPMIBL21T 🔧 Explore Switch(CLLI: RCFRMIMNRS1))
616-863-3XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	ROCKFORD	RCFRMIMNRS1	N/A	Prefix Type: RBOC Switch Name: ROCKFORD Switch Type: N/A LATA: Grand Rapids MI (348) Tandem: GDRPMIBL21T 🔧 Explore Switch(CLLI: RCFRMIMNRS1))
616-863-4XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	ROCKFORD	RCFRMIMNRS1	N/A	Prefix Type: RBOC Switch Name: ROCKFORD Switch Type: N/A LATA: Grand Rapids MI (348) Tandem: GDRPMIBL21T 🔧 Explore Switch(CLLI: RCFRMIMNRS1))
616-863-5XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	ROCKFORD	RCFRMIMNRS1	N/A	Prefix Type: RBOC Switch Name: ROCKFORD Switch Type: N/A LATA: Grand Rapids MI (348) Tandem: GDRPMIBL21T 🔧 Explore Switch(CLLI: RCFRMIMNRS1))
616-863-6XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	ROCKFORD	RCFRMIMNRS1	N/A	Prefix Type: RBOC Switch Name: ROCKFORD Switch Type: N/A LATA: Grand Rapids MI (348) Tandem: GDRPMIBL21T 🔧 Explore Switch(CLLI: RCFRMIMNRS1))
616-863-8XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	ROCKFORD	RCFRMIMNRS1	N/A	Prefix Type: RBOC Switch Name: ROCKFORD Switch Type: N/A LATA: Grand Rapids MI (348) Tandem: GDRPMIBL21T 🔧 Explore Switch(CLLI: RCFRMIMNRS1))
616-863-9XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	ROCKFORD	RCFRMIMNRS1	N/A	Prefix Type: RBOC Switch Name: ROCKFORD Switch Type: N/A LATA: Grand Rapids MI (348) Tandem: GDRPMIBL21T 🔧 Explore Switch(CLLI: RCFRMIMNRS1))
616-866	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	ROCKFORD	RCFRMIMNRS1	00/00/0000	Prefix Type: RBOC Switch Name: ROCKFORD Switch Type: N/A LATA: Grand Rapids MI (348) Tandem: GDRPMIBL21T 🔧 Explore Switch(CLLI: RCFRMIMNRS1))
616-868	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	ALTO	ALTOMIMNRSA	00/00/0000	Prefix Type: RBOC Switch Name: ALTO Switch Type: N/A LATA: Grand Rapids MI (348) Tandem: GDRPMIBL21T 🔧 Explore Switch(CLLI: ALTOMIMNRSA))
616-868 is split into 1,000-number blocks - detail below
616-868-0XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	ALTO	ALTOMIMNRSA	N/A	Prefix Type: RBOC Switch Name: ALTO Switch Type: N/A LATA: Grand Rapids MI (348) Tandem: GDRPMIBL21T 🔧 Explore Switch(CLLI: ALTOMIMNRSA))
616-868-6XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	ALTO	ALTOMIMNRSA	N/A	Prefix Type: RBOC Switch Name: ALTO Switch Type: N/A LATA: Grand Rapids MI (348) Tandem: GDRPMIBL21T 🔧 Explore Switch(CLLI: ALTOMIMNRSA))
616-868-7XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	ALTO	ALTOMIMNRSA	N/A	Prefix Type: RBOC Switch Name: ALTO Switch Type: N/A LATA: Grand Rapids MI (348) Tandem: GDRPMIBL21T 🔧 Explore Switch(CLLI: ALTOMIMNRSA))
616-868-9XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	ALTO	ALTOMIMNRSA	N/A	Prefix Type: RBOC Switch Name: ALTO Switch Type: N/A LATA: Grand Rapids MI (348) Tandem: GDRPMIBL21T 🔧 Explore Switch(CLLI: ALTOMIMNRSA))
616-874	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	ROCKFORD	RCFRMISEDS0	00/00/0000	Prefix Type: RBOC Switch Name: ROCKFORD SE Switch Type: DMS10 LATA: Grand Rapids MI (348) Tandem: GDRPMIBL21T 🔧 Explore Switch(CLLI: RCFRMISEDS0))
616-877	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	MOLINE	MOLNMIMNRSA	00/00/0000	Prefix Type: RBOC Switch Name: MOLINE Switch Type: N/A LATA: Grand Rapids MI (348) Tandem: GDRPMIBL10T 🔧 Explore Switch(CLLI: MOLNMIMNRSA))
616-877 is split into 1,000-number blocks - detail below
616-877-0XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	MOLINE	MOLNMIMNRSA	N/A	Prefix Type: RBOC Switch Name: MOLINE Switch Type: N/A LATA: Grand Rapids MI (348) Tandem: GDRPMIBL10T 🔧 Explore Switch(CLLI: MOLNMIMNRSA))
616-877-3XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	MOLINE	MOLNMIMNRSA	N/A	Prefix Type: RBOC Switch Name: MOLINE Switch Type: N/A LATA: Grand Rapids MI (348) Tandem: GDRPMIBL10T 🔧 Explore Switch(CLLI: MOLNMIMNRSA))
616-877-4XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	MOLINE	MOLNMIMNRSA	N/A	Prefix Type: RBOC Switch Name: MOLINE Switch Type: N/A LATA: Grand Rapids MI (348) Tandem: GDRPMIBL10T 🔧 Explore Switch(CLLI: MOLNMIMNRSA))
616-878	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	BYRON CTR	BYCTMIMNRSA	00/00/0000	Prefix Type: RBOC Switch Name: BYRON CENTER Switch Type: N/A LATA: Grand Rapids MI (348) Tandem: GDRPMIBL10T 🔧 Explore Switch(CLLI: BYCTMIMNRSA))
616-887	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	SPARTA	SPRTMIMNRSA	00/00/0000	Prefix Type: RBOC Switch Name: SPARTA Switch Type: N/A LATA: Grand Rapids MI (348) Tandem: GDRPMIBL21T 🔧 Explore Switch(CLLI: SPRTMIMNRSA))
616-891	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	CALEDONIA	CLDNMICLRSA	00/00/0000	Prefix Type: RBOC Switch Name: CALEDONIA Switch Type: N/A LATA: Grand Rapids MI (348) Tandem: GDRPMIBL21T 🔧 Explore Switch(CLLI: CLDNMICLRSA))
616-891 is split into 1,000-number blocks - detail below
616-891-0XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	CALEDONIA	CLDNMICLRSA	N/A	Prefix Type: RBOC Switch Name: CALEDONIA Switch Type: N/A LATA: Grand Rapids MI (348) Tandem: GDRPMIBL21T 🔧 Explore Switch(CLLI: CLDNMICLRSA))
616-891-1XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	CALEDONIA	CLDNMICLRSA	N/A	Prefix Type: RBOC Switch Name: CALEDONIA Switch Type: N/A LATA: Grand Rapids MI (348) Tandem: GDRPMIBL21T 🔧 Explore Switch(CLLI: CLDNMICLRSA))
616-891-2XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	CALEDONIA	CLDNMICLRSA	N/A	Prefix Type: RBOC Switch Name: CALEDONIA Switch Type: N/A LATA: Grand Rapids MI (348) Tandem: GDRPMIBL21T 🔧 Explore Switch(CLLI: CLDNMICLRSA))
616-891-4XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	CALEDONIA	CLDNMICLRSA	N/A	Prefix Type: RBOC Switch Name: CALEDONIA Switch Type: N/A LATA: Grand Rapids MI (348) Tandem: GDRPMIBL21T 🔧 Explore Switch(CLLI: CLDNMICLRSA))
616-891-5XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	CALEDONIA	CLDNMICLRSA	N/A	Prefix Type: RBOC Switch Name: CALEDONIA Switch Type: N/A LATA: Grand Rapids MI (348) Tandem: GDRPMIBL21T 🔧 Explore Switch(CLLI: CLDNMICLRSA))
616-891-6XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	CALEDONIA	CLDNMICLRSA	N/A	Prefix Type: RBOC Switch Name: CALEDONIA Switch Type: N/A LATA: Grand Rapids MI (348) Tandem: GDRPMIBL21T 🔧 Explore Switch(CLLI: CLDNMICLRSA))
616-891-7XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	CALEDONIA	CLDNMICLRSA	N/A	Prefix Type: RBOC Switch Name: CALEDONIA Switch Type: N/A LATA: Grand Rapids MI (348) Tandem: GDRPMIBL21T 🔧 Explore Switch(CLLI: CLDNMICLRSA))
616-891-8XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	CALEDONIA	CLDNMICLRSA	N/A	Prefix Type: RBOC Switch Name: CALEDONIA Switch Type: N/A LATA: Grand Rapids MI (348) Tandem: GDRPMIBL21T 🔧 Explore Switch(CLLI: CLDNMICLRSA))
616-891-9XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	CALEDONIA	CLDNMICLRSA	N/A	Prefix Type: RBOC Switch Name: CALEDONIA Switch Type: N/A LATA: Grand Rapids MI (348) Tandem: GDRPMIBL21T 🔧 Explore Switch(CLLI: CLDNMICLRSA))
616-896	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	JAMESTOWN	JMTWMIMNRSA	00/00/0000	Prefix Type: RBOC Switch Name: JAMESTOWN Switch Type: N/A LATA: Grand Rapids MI (348) Tandem: GDRPMIBL10T 🔧 Explore Switch(CLLI: JMTWMIMNRSA))
616-896 is split into 1,000-number blocks - detail below
616-896-0XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	JAMESTOWN	JMTWMIMNRSA	N/A	Prefix Type: RBOC Switch Name: JAMESTOWN Switch Type: N/A LATA: Grand Rapids MI (348) Tandem: GDRPMIBL10T 🔧 Explore Switch(CLLI: JMTWMIMNRSA))
616-896-1XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	JAMESTOWN	JMTWMIMNRSA	N/A	Prefix Type: RBOC Switch Name: JAMESTOWN Switch Type: N/A LATA: Grand Rapids MI (348) Tandem: GDRPMIBL10T 🔧 Explore Switch(CLLI: JMTWMIMNRSA))
616-896-4XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	JAMESTOWN	JMTWMIMNRSA	N/A	Prefix Type: RBOC Switch Name: JAMESTOWN Switch Type: N/A LATA: Grand Rapids MI (348) Tandem: GDRPMIBL10T 🔧 Explore Switch(CLLI: JMTWMIMNRSA))
616-896-6XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	JAMESTOWN	JMTWMIMNRSA	N/A	Prefix Type: RBOC Switch Name: JAMESTOWN Switch Type: N/A LATA: Grand Rapids MI (348) Tandem: GDRPMIBL10T 🔧 Explore Switch(CLLI: JMTWMIMNRSA))
616-896-7XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	JAMESTOWN	JMTWMIMNRSA	N/A	Prefix Type: RBOC Switch Name: JAMESTOWN Switch Type: N/A LATA: Grand Rapids MI (348) Tandem: GDRPMIBL10T 🔧 Explore Switch(CLLI: JMTWMIMNRSA))
616-896-8XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	JAMESTOWN	JMTWMIMNRSA	N/A	Prefix Type: RBOC Switch Name: JAMESTOWN Switch Type: N/A LATA: Grand Rapids MI (348) Tandem: GDRPMIBL10T 🔧 Explore Switch(CLLI: JMTWMIMNRSA))
616-896-9XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	JAMESTOWN	JMTWMIMNRSA	N/A	Prefix Type: RBOC Switch Name: JAMESTOWN Switch Type: N/A LATA: Grand Rapids MI (348) Tandem: GDRPMIBL10T 🔧 Explore Switch(CLLI: JMTWMIMNRSA))
616-897	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	LOWELL	LWLLMIMNRSA	00/00/0000	Prefix Type: RBOC Switch Name: LOWELL Switch Type: N/A LATA: Grand Rapids MI (348) Tandem: GDRPMIBL21T 🔧 Explore Switch(CLLI: LWLLMIMNRSA))
616-913	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	GRAND RPDS	GDRPMIBLDS1	00/00/0000	Prefix Type: RBOC Switch Name: GRAND RAPIDS BL DS1 Switch Type: DMS100 LATA: Grand Rapids MI (348) Tandem: GDRPMIBL21T 🔧 Explore Switch(CLLI: GDRPMIBLDS1))
616-913 is split into 1,000-number blocks - detail below
616-913-0XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	GRAND RPDS	GDRPMIBLDS1	N/A	Prefix Type: RBOC Switch Name: GRAND RAPIDS BL DS1 Switch Type: DMS100 LATA: Grand Rapids MI (348) Tandem: GDRPMIBL21T 🔧 Explore Switch(CLLI: GDRPMIBLDS1))
616-913-1XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	GRAND RPDS	GDRPMIBLDS1	N/A	Prefix Type: RBOC Switch Name: GRAND RAPIDS BL DS1 Switch Type: DMS100 LATA: Grand Rapids MI (348) Tandem: GDRPMIBL21T 🔧 Explore Switch(CLLI: GDRPMIBLDS1))
616-913-2XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	GRAND RPDS	GDRPMIBLDS1	N/A	Prefix Type: RBOC Switch Name: GRAND RAPIDS BL DS1 Switch Type: DMS100 LATA: Grand Rapids MI (348) Tandem: GDRPMIBL21T 🔧 Explore Switch(CLLI: GDRPMIBLDS1))
616-913-3XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	GRAND RPDS	GDRPMIBLDS1	N/A	Prefix Type: RBOC Switch Name: GRAND RAPIDS BL DS1 Switch Type: DMS100 LATA: Grand Rapids MI (348) Tandem: GDRPMIBL21T 🔧 Explore Switch(CLLI: GDRPMIBLDS1))
616-913-4XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	GRAND RPDS	GDRPMIBLDS1	N/A	Prefix Type: RBOC Switch Name: GRAND RAPIDS BL DS1 Switch Type: DMS100 LATA: Grand Rapids MI (348) Tandem: GDRPMIBL21T 🔧 Explore Switch(CLLI: GDRPMIBLDS1))
616-913-5XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	GRAND RPDS	GDRPMIBLDS1	N/A	Prefix Type: RBOC Switch Name: GRAND RAPIDS BL DS1 Switch Type: DMS100 LATA: Grand Rapids MI (348) Tandem: GDRPMIBL21T 🔧 Explore Switch(CLLI: GDRPMIBLDS1))
616-913-6XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	GRAND RPDS	GDRPMIBLDS1	N/A	Prefix Type: RBOC Switch Name: GRAND RAPIDS BL DS1 Switch Type: DMS100 LATA: Grand Rapids MI (348) Tandem: GDRPMIBL21T 🔧 Explore Switch(CLLI: GDRPMIBLDS1))
616-913-7XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	GRAND RPDS	GDRPMIBLDS1	N/A	Prefix Type: RBOC Switch Name: GRAND RAPIDS BL DS1 Switch Type: DMS100 LATA: Grand Rapids MI (348) Tandem: GDRPMIBL21T 🔧 Explore Switch(CLLI: GDRPMIBLDS1))
616-913-9XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	GRAND RPDS	GDRPMIBLDS1	N/A	Prefix Type: RBOC Switch Name: GRAND RAPIDS BL DS1 Switch Type: DMS100 LATA: Grand Rapids MI (348) Tandem: GDRPMIBL21T 🔧 Explore Switch(CLLI: GDRPMIBLDS1))
616-940	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	GRAND RPDS	GDRPMIESDS1	00/00/0000	Prefix Type: RBOC Switch Name: GRAND RAPIDS ES DS1 Switch Type: DMS100 LATA: Grand Rapids MI (348) Tandem: GDRPMIBL21T 🔧 Explore Switch(CLLI: GDRPMIESDS1))
616-940 is split into 1,000-number blocks - detail below
616-940-0XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	GRAND RPDS	GDRPMIESDS1	N/A	Prefix Type: RBOC Switch Name: GRAND RAPIDS ES DS1 Switch Type: DMS100 LATA: Grand Rapids MI (348) Tandem: GDRPMIBL21T 🔧 Explore Switch(CLLI: GDRPMIESDS1))
616-940-1XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	GRAND RPDS	GDRPMIESDS1	N/A	Prefix Type: RBOC Switch Name: GRAND RAPIDS ES DS1 Switch Type: DMS100 LATA: Grand Rapids MI (348) Tandem: GDRPMIBL21T 🔧 Explore Switch(CLLI: GDRPMIESDS1))
616-940-2XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	GRAND RPDS	GDRPMIESDS1	N/A	Prefix Type: RBOC Switch Name: GRAND RAPIDS ES DS1 Switch Type: DMS100 LATA: Grand Rapids MI (348) Tandem: GDRPMIBL21T 🔧 Explore Switch(CLLI: GDRPMIESDS1))
616-940-3XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	GRAND RPDS	GDRPMIESDS1	N/A	Prefix Type: RBOC Switch Name: GRAND RAPIDS ES DS1 Switch Type: DMS100 LATA: Grand Rapids MI (348) Tandem: GDRPMIBL21T 🔧 Explore Switch(CLLI: GDRPMIESDS1))
616-940-4XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	GRAND RPDS	GDRPMIESDS1	N/A	Prefix Type: RBOC Switch Name: GRAND RAPIDS ES DS1 Switch Type: DMS100 LATA: Grand Rapids MI (348) Tandem: GDRPMIBL21T 🔧 Explore Switch(CLLI: GDRPMIESDS1))
616-940-6XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	GRAND RPDS	GDRPMIESDS1	N/A	Prefix Type: RBOC Switch Name: GRAND RAPIDS ES DS1 Switch Type: DMS100 LATA: Grand Rapids MI (348) Tandem: GDRPMIBL21T 🔧 Explore Switch(CLLI: GDRPMIESDS1))
616-940-7XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	GRAND RPDS	GDRPMIESDS1	N/A	Prefix Type: RBOC Switch Name: GRAND RAPIDS ES DS1 Switch Type: DMS100 LATA: Grand Rapids MI (348) Tandem: GDRPMIBL21T 🔧 Explore Switch(CLLI: GDRPMIESDS1))
616-940-8XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	GRAND RPDS	GDRPMIESDS1	N/A	Prefix Type: RBOC Switch Name: GRAND RAPIDS ES DS1 Switch Type: DMS100 LATA: Grand Rapids MI (348) Tandem: GDRPMIBL21T 🔧 Explore Switch(CLLI: GDRPMIESDS1))
616-940-9XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	GRAND RPDS	GDRPMIESDS1	N/A	Prefix Type: RBOC Switch Name: GRAND RAPIDS ES DS1 Switch Type: DMS100 LATA: Grand Rapids MI (348) Tandem: GDRPMIBL21T 🔧 Explore Switch(CLLI: GDRPMIESDS1))
616-942	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	GRAND RPDS	GDRPMIESDS1	00/00/0000	Prefix Type: RBOC Switch Name: GRAND RAPIDS ES DS1 Switch Type: DMS100 LATA: Grand Rapids MI (348) Tandem: GDRPMIBL21T 🔧 Explore Switch(CLLI: GDRPMIESDS1))
616-949	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	GRAND RPDS	GDRPMIESDS1	00/00/0000	Prefix Type: RBOC Switch Name: GRAND RAPIDS ES DS1 Switch Type: DMS100 LATA: Grand Rapids MI (348) Tandem: GDRPMIBL21T 🔧 Explore Switch(CLLI: GDRPMIESDS1))
616-954	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	GRAND RPDS	GDRPMIESDS1	00/00/0000	Prefix Type: RBOC Switch Name: GRAND RAPIDS ES DS1 Switch Type: DMS100 LATA: Grand Rapids MI (348) Tandem: GDRPMIBL21T 🔧 Explore Switch(CLLI: GDRPMIESDS1))
616-954 is split into 1,000-number blocks - detail below
616-954-0XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	GRAND RPDS	GDRPMIESDS1	N/A	Prefix Type: RBOC Switch Name: GRAND RAPIDS ES DS1 Switch Type: DMS100 LATA: Grand Rapids MI (348) Tandem: GDRPMIBL21T 🔧 Explore Switch(CLLI: GDRPMIESDS1))
616-954-1XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	GRAND RPDS	GDRPMIESDS1	N/A	Prefix Type: RBOC Switch Name: GRAND RAPIDS ES DS1 Switch Type: DMS100 LATA: Grand Rapids MI (348) Tandem: GDRPMIBL21T 🔧 Explore Switch(CLLI: GDRPMIESDS1))
616-954-2XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	GRAND RPDS	GDRPMIESDS1	N/A	Prefix Type: RBOC Switch Name: GRAND RAPIDS ES DS1 Switch Type: DMS100 LATA: Grand Rapids MI (348) Tandem: GDRPMIBL21T 🔧 Explore Switch(CLLI: GDRPMIESDS1))
616-954-3XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	GRAND RPDS	GDRPMIESDS1	N/A	Prefix Type: RBOC Switch Name: GRAND RAPIDS ES DS1 Switch Type: DMS100 LATA: Grand Rapids MI (348) Tandem: GDRPMIBL21T 🔧 Explore Switch(CLLI: GDRPMIESDS1))
616-954-4XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	GRAND RPDS	GDRPMIESDS1	N/A	Prefix Type: RBOC Switch Name: GRAND RAPIDS ES DS1 Switch Type: DMS100 LATA: Grand Rapids MI (348) Tandem: GDRPMIBL21T 🔧 Explore Switch(CLLI: GDRPMIESDS1))
616-954-6XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	GRAND RPDS	GDRPMIESDS1	N/A	Prefix Type: RBOC Switch Name: GRAND RAPIDS ES DS1 Switch Type: DMS100 LATA: Grand Rapids MI (348) Tandem: GDRPMIBL21T 🔧 Explore Switch(CLLI: GDRPMIESDS1))
616-954-7XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	GRAND RPDS	GDRPMIESDS1	N/A	Prefix Type: RBOC Switch Name: GRAND RAPIDS ES DS1 Switch Type: DMS100 LATA: Grand Rapids MI (348) Tandem: GDRPMIBL21T 🔧 Explore Switch(CLLI: GDRPMIESDS1))
616-954-8XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	GRAND RPDS	GDRPMIESDS1	N/A	Prefix Type: RBOC Switch Name: GRAND RAPIDS ES DS1 Switch Type: DMS100 LATA: Grand Rapids MI (348) Tandem: GDRPMIBL21T 🔧 Explore Switch(CLLI: GDRPMIESDS1))
616-954-9XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	GRAND RPDS	GDRPMIESDS1	N/A	Prefix Type: RBOC Switch Name: GRAND RAPIDS ES DS1 Switch Type: DMS100 LATA: Grand Rapids MI (348) Tandem: GDRPMIBL21T 🔧 Explore Switch(CLLI: GDRPMIESDS1))
616-955	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	GRAND RPDS	GDRPMIESDS0	12/31/2002	Prefix Type: RBOC Switch Name: GRAND RAPIDS ES DS0 Switch Type: 5ESS LATA: Grand Rapids MI (348) Tandem: GDRPMIBL21T 🔧 Explore Switch(CLLI: GDRPMIESDS0))
616-956	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	GRAND RPDS	GDRPMIESDS1	00/00/0000	Prefix Type: RBOC Switch Name: GRAND RAPIDS ES DS1 Switch Type: DMS100 LATA: Grand Rapids MI (348) Tandem: GDRPMIBL21T 🔧 Explore Switch(CLLI: GDRPMIESDS1))
616-957	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	GRAND RPDS	GDRPMIESDS1	00/00/0000	Prefix Type: RBOC Switch Name: GRAND RAPIDS ES DS1 Switch Type: DMS100 LATA: Grand Rapids MI (348) Tandem: GDRPMIBL21T 🔧 Explore Switch(CLLI: GDRPMIESDS1))
616-974	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	GRAND RPDS	GDRPMIESDS1	00/00/0000	Prefix Type: RBOC Switch Name: GRAND RAPIDS ES DS1 Switch Type: DMS100 LATA: Grand Rapids MI (348) Tandem: GDRPMIBL21T 🔧 Explore Switch(CLLI: GDRPMIESDS1))
616-975	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	GRAND RPDS	GDRPMIESDS1	00/00/0000	Prefix Type: RBOC Switch Name: GRAND RAPIDS ES DS1 Switch Type: DMS100 LATA: Grand Rapids MI (348) Tandem: GDRPMIBL21T 🔧 Explore Switch(CLLI: GDRPMIESDS1))
616-977	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	GRAND RPDS	GDRPMIESDS1	00/00/0000	Prefix Type: RBOC Switch Name: GRAND RAPIDS ES DS1 Switch Type: DMS100 LATA: Grand Rapids MI (348) Tandem: GDRPMIBL21T 🔧 Explore Switch(CLLI: GDRPMIESDS1))
616-984	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	TRUFANT	TRFNMIMNRSA	00/00/0000	Prefix Type: RBOC Switch Name: TRUFANT Switch Type: N/A LATA: Grand Rapids MI (348) Tandem: GDRPMIBL21T 🔧 Explore Switch(CLLI: TRFNMIMNRSA))
616-984 is split into 1,000-number blocks - detail below
616-984-2XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	TRUFANT	TRFNMIMNRSA	N/A	Prefix Type: RBOC Switch Name: TRUFANT Switch Type: N/A LATA: Grand Rapids MI (348) Tandem: GDRPMIBL21T 🔧 Explore Switch(CLLI: TRFNMIMNRSA))
616-984-5XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	TRUFANT	TRFNMIMNRSA	N/A	Prefix Type: RBOC Switch Name: TRUFANT Switch Type: N/A LATA: Grand Rapids MI (348) Tandem: GDRPMIBL21T 🔧 Explore Switch(CLLI: TRFNMIMNRSA))
616-984-6XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	TRUFANT	TRFNMIMNRSA	N/A	Prefix Type: RBOC Switch Name: TRUFANT Switch Type: N/A LATA: Grand Rapids MI (348) Tandem: GDRPMIBL21T 🔧 Explore Switch(CLLI: TRFNMIMNRSA))
616-987	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	LOWELL	LWLLMIMNRSA	00/00/0000	Prefix Type: RBOC Switch Name: LOWELL Switch Type: N/A LATA: Grand Rapids MI (348) Tandem: GDRPMIBL21T 🔧 Explore Switch(CLLI: LWLLMIMNRSA))
616-987 is split into 1,000-number blocks - detail below
616-987-2XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	LOWELL	LWLLMIMNRSA	N/A	Prefix Type: RBOC Switch Name: LOWELL Switch Type: N/A LATA: Grand Rapids MI (348) Tandem: GDRPMIBL21T 🔧 Explore Switch(CLLI: LWLLMIMNRSA))
616-987-9XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	LOWELL	LWLLMIMNRSA	N/A	Prefix Type: RBOC Switch Name: LOWELL Switch Type: N/A LATA: Grand Rapids MI (348) Tandem: GDRPMIBL21T 🔧 Explore Switch(CLLI: LWLLMIMNRSA))
616-994	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	HOLLAND	HLLDMINRDS0	00/00/0000	Prefix Type: RBOC Switch Name: HOLLAND NR Switch Type: DMS100 LATA: Grand Rapids MI (348) Tandem: GDRPMIBL10T 🔧 Explore Switch(CLLI: HLLDMINRDS0))
616-994 is split into 1,000-number blocks - detail below
616-994-0XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	HOLLAND	HLLDMINRDS0	N/A	Prefix Type: RBOC Switch Name: HOLLAND NR Switch Type: DMS100 LATA: Grand Rapids MI (348) Tandem: GDRPMIBL10T 🔧 Explore Switch(CLLI: HLLDMINRDS0))
616-994-1XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	HOLLAND	HLLDMINRDS0	N/A	Prefix Type: RBOC Switch Name: HOLLAND NR Switch Type: DMS100 LATA: Grand Rapids MI (348) Tandem: GDRPMIBL10T 🔧 Explore Switch(CLLI: HLLDMINRDS0))
616-994-4XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	HOLLAND	HLLDMINRDS0	N/A	Prefix Type: RBOC Switch Name: HOLLAND NR Switch Type: DMS100 LATA: Grand Rapids MI (348) Tandem: GDRPMIBL10T 🔧 Explore Switch(CLLI: HLLDMINRDS0))
616-994-5XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	HOLLAND	HLLDMINRDS0	N/A	Prefix Type: RBOC Switch Name: HOLLAND NR Switch Type: DMS100 LATA: Grand Rapids MI (348) Tandem: GDRPMIBL10T 🔧 Explore Switch(CLLI: HLLDMINRDS0))
616-994-6XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	HOLLAND	HLLDMINRDS0	N/A	Prefix Type: RBOC Switch Name: HOLLAND NR Switch Type: DMS100 LATA: Grand Rapids MI (348) Tandem: GDRPMIBL10T 🔧 Explore Switch(CLLI: HLLDMINRDS0))
616-994-7XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	HOLLAND	HLLDMINRDS0	N/A	Prefix Type: RBOC Switch Name: HOLLAND NR Switch Type: DMS100 LATA: Grand Rapids MI (348) Tandem: GDRPMIBL10T 🔧 Explore Switch(CLLI: HLLDMINRDS0))
616-994-9XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	HOLLAND	HLLDMINRDS0	N/A	Prefix Type: RBOC Switch Name: HOLLAND NR Switch Type: DMS100 LATA: Grand Rapids MI (348) Tandem: GDRPMIBL10T 🔧 Explore Switch(CLLI: HLLDMINRDS0))
734-207	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	PLYMOUTH	PLMOMIMNDS0	00/00/0000	Prefix Type: RBOC Switch Name: PLYMOUTH DS0 Switch Type: DMS100 LATA: Detroit MI (340) Tandem: ANARMIMN20T 🔧 Explore Switch(CLLI: PLMOMIMNDS0))
734-213	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	ANN ARBOR	ANARMIMNDS0	00/00/0000	Prefix Type: RBOC Switch Name: ANN ARBOR DS0 Switch Type: 5ESS LATA: Detroit MI (340) Tandem: ANARMIMN20T 🔧 Explore Switch(CLLI: ANARMIMNDS0))
734-214	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	ANN ARBOR	ANARMIMNDS0	00/00/0000	Prefix Type: RBOC Switch Name: ANN ARBOR DS0 Switch Type: 5ESS LATA: Detroit MI (340) Tandem: ANARMIMN20T 🔧 Explore Switch(CLLI: ANARMIMNDS0))
734-221 is split into 1,000-number blocks - detail below
734-221-1XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	YPSILANTI	YPSLMIMNDS0	07/19/2013	Prefix Type: RBOC Switch Name: YPSILANTI Switch Type: DMS100 LATA: Detroit MI (340) Tandem: ANARMIMN20T 🔧 Explore Switch(CLLI: YPSLMIMNDS0))
734-221-2XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	YPSILANTI	YPSLMIMNDS0	07/19/2013	Prefix Type: RBOC Switch Name: YPSILANTI Switch Type: DMS100 LATA: Detroit MI (340) Tandem: ANARMIMN20T 🔧 Explore Switch(CLLI: YPSLMIMNDS0))
734-222	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	ANN ARBOR	ANARMIMNDS0	00/00/0000	Prefix Type: RBOC Switch Name: ANN ARBOR DS0 Switch Type: 5ESS LATA: Detroit MI (340) Tandem: ANARMIMN20T 🔧 Explore Switch(CLLI: ANARMIMNDS0))
734-229	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	ROMULUS	RMLSMIMNDS0	00/00/0000	Prefix Type: RBOC Switch Name: ROMULUS Switch Type: DMS100 LATA: Detroit MI (340) Tandem: WAYNMIMN20T 🔧 Explore Switch(CLLI: RMLSMIMNDS0))
734-229 is split into 1,000-number blocks - detail below
734-229-0XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	ROMULUS	RMLSMIMNDS0	N/A	Prefix Type: RBOC Switch Name: ROMULUS Switch Type: DMS100 LATA: Detroit MI (340) Tandem: WAYNMIMN20T 🔧 Explore Switch(CLLI: RMLSMIMNDS0))
734-229-1XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	ROMULUS	RMLSMIMNDS0	N/A	Prefix Type: RBOC Switch Name: ROMULUS Switch Type: DMS100 LATA: Detroit MI (340) Tandem: WAYNMIMN20T 🔧 Explore Switch(CLLI: RMLSMIMNDS0))
734-229-2XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	ROMULUS	RMLSMIMNDS0	N/A	Prefix Type: RBOC Switch Name: ROMULUS Switch Type: DMS100 LATA: Detroit MI (340) Tandem: WAYNMIMN20T 🔧 Explore Switch(CLLI: RMLSMIMNDS0))
734-229-3XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	ROMULUS	RMLSMIMNDS0	N/A	Prefix Type: RBOC Switch Name: ROMULUS Switch Type: DMS100 LATA: Detroit MI (340) Tandem: WAYNMIMN20T 🔧 Explore Switch(CLLI: RMLSMIMNDS0))
734-229-4XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	ROMULUS	RMLSMIMNDS0	N/A	Prefix Type: RBOC Switch Name: ROMULUS Switch Type: DMS100 LATA: Detroit MI (340) Tandem: WAYNMIMN20T 🔧 Explore Switch(CLLI: RMLSMIMNDS0))
734-229-5XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	ROMULUS	RMLSMIMNDS0	N/A	Prefix Type: RBOC Switch Name: ROMULUS Switch Type: DMS100 LATA: Detroit MI (340) Tandem: WAYNMIMN20T 🔧 Explore Switch(CLLI: RMLSMIMNDS0))
734-229-6XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	ROMULUS	RMLSMIMNDS0	N/A	Prefix Type: RBOC Switch Name: ROMULUS Switch Type: DMS100 LATA: Detroit MI (340) Tandem: WAYNMIMN20T 🔧 Explore Switch(CLLI: RMLSMIMNDS0))
734-229-7XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	ROMULUS	RMLSMIMNDS0	N/A	Prefix Type: RBOC Switch Name: ROMULUS Switch Type: DMS100 LATA: Detroit MI (340) Tandem: WAYNMIMN20T 🔧 Explore Switch(CLLI: RMLSMIMNDS0))
734-229-9XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	ROMULUS	RMLSMIMNDS0	N/A	Prefix Type: RBOC Switch Name: ROMULUS Switch Type: DMS100 LATA: Detroit MI (340) Tandem: WAYNMIMN20T 🔧 Explore Switch(CLLI: RMLSMIMNDS0))
734-232	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	ANN ARBOR	ANARMIMNDS0	05/28/2004	Prefix Type: RBOC Switch Name: ANN ARBOR DS0 Switch Type: 5ESS LATA: Detroit MI (340) Tandem: ANARMIMN20T 🔧 Explore Switch(CLLI: ANARMIMNDS0))
734-232 is split into 1,000-number blocks - detail below
734-232-0XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	ANN ARBOR	ANARMIMNDS0	06/01/2004	Prefix Type: RBOC Switch Name: ANN ARBOR DS0 Switch Type: 5ESS LATA: Detroit MI (340) Tandem: ANARMIMN20T 🔧 Explore Switch(CLLI: ANARMIMNDS0))
734-232-1XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	ANN ARBOR	ANARMIMNDS0	06/01/2004	Prefix Type: RBOC Switch Name: ANN ARBOR DS0 Switch Type: 5ESS LATA: Detroit MI (340) Tandem: ANARMIMN20T 🔧 Explore Switch(CLLI: ANARMIMNDS0))
734-232-2XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	ANN ARBOR	ANARMIMNDS0	06/01/2004	Prefix Type: RBOC Switch Name: ANN ARBOR DS0 Switch Type: 5ESS LATA: Detroit MI (340) Tandem: ANARMIMN20T 🔧 Explore Switch(CLLI: ANARMIMNDS0))
734-232-3XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	ANN ARBOR	ANARMIMNDS0	06/01/2004	Prefix Type: RBOC Switch Name: ANN ARBOR DS0 Switch Type: 5ESS LATA: Detroit MI (340) Tandem: ANARMIMN20T 🔧 Explore Switch(CLLI: ANARMIMNDS0))
734-232-4XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	ANN ARBOR	ANARMIMNDS0	06/01/2004	Prefix Type: RBOC Switch Name: ANN ARBOR DS0 Switch Type: 5ESS LATA: Detroit MI (340) Tandem: ANARMIMN20T 🔧 Explore Switch(CLLI: ANARMIMNDS0))
734-232-5XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	ANN ARBOR	ANARMIMNDS0	06/01/2004	Prefix Type: RBOC Switch Name: ANN ARBOR DS0 Switch Type: 5ESS LATA: Detroit MI (340) Tandem: ANARMIMN20T 🔧 Explore Switch(CLLI: ANARMIMNDS0))
734-232-6XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	ANN ARBOR	ANARMIMNDS0	06/01/2004	Prefix Type: RBOC Switch Name: ANN ARBOR DS0 Switch Type: 5ESS LATA: Detroit MI (340) Tandem: ANARMIMN20T 🔧 Explore Switch(CLLI: ANARMIMNDS0))
734-232-7XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	ANN ARBOR	ANARMIMNDS0	06/01/2004	Prefix Type: RBOC Switch Name: ANN ARBOR DS0 Switch Type: 5ESS LATA: Detroit MI (340) Tandem: ANARMIMN20T 🔧 Explore Switch(CLLI: ANARMIMNDS0))
734-232-8XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	ANN ARBOR	ANARMIMNDS0	06/01/2004	Prefix Type: RBOC Switch Name: ANN ARBOR DS0 Switch Type: 5ESS LATA: Detroit MI (340) Tandem: ANARMIMN20T 🔧 Explore Switch(CLLI: ANARMIMNDS0))
734-232-9XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	ANN ARBOR	ANARMIMNDS0	06/01/2004	Prefix Type: RBOC Switch Name: ANN ARBOR DS0 Switch Type: 5ESS LATA: Detroit MI (340) Tandem: ANARMIMN20T 🔧 Explore Switch(CLLI: ANARMIMNDS0))
734-240	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	MONROE	MONRMIMNDS0	00/00/0000	Prefix Type: RBOC Switch Name: MONROE Switch Type: DMS100 LATA: Detroit MI (340) Tandem: WAYNMIMN20T 🔧 Explore Switch(CLLI: MONRMIMNDS0))
734-241	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	MONROE	MONRMIMNDS0	00/00/0000	Prefix Type: RBOC Switch Name: MONROE Switch Type: DMS100 LATA: Detroit MI (340) Tandem: WAYNMIMN20T 🔧 Explore Switch(CLLI: MONRMIMNDS0))
734-242	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	MONROE	MONRMIMNDS0	00/00/0000	Prefix Type: RBOC Switch Name: MONROE Switch Type: DMS100 LATA: Detroit MI (340) Tandem: WAYNMIMN20T 🔧 Explore Switch(CLLI: MONRMIMNDS0))
734-243	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	MONROE	MONRMIMNDS0	00/00/0000	Prefix Type: RBOC Switch Name: MONROE Switch Type: DMS100 LATA: Detroit MI (340) Tandem: WAYNMIMN20T 🔧 Explore Switch(CLLI: MONRMIMNDS0))
734-246	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	WYANDOTTE	WYNDMIMNRP0	00/00/0000	Prefix Type: RBOC Switch Name: WYANDOTTE Switch Type: N/A LATA: Detroit MI (340) Tandem: N/A 🔧 Explore Switch(CLLI: WYNDMIMNRP0))
734-247	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	ROMULUS	RMLSMIMNDS0	00/00/0000	Prefix Type: RBOC Switch Name: ROMULUS Switch Type: DMS100 LATA: Detroit MI (340) Tandem: WAYNMIMN20T 🔧 Explore Switch(CLLI: RMLSMIMNDS0))
734-247 is split into 1,000-number blocks - detail below
734-247-1XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	ROMULUS	RMLSMIMNDS0	N/A	Prefix Type: RBOC Switch Name: ROMULUS Switch Type: DMS100 LATA: Detroit MI (340) Tandem: WAYNMIMN20T 🔧 Explore Switch(CLLI: RMLSMIMNDS0))
734-247-2XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	ROMULUS	RMLSMIMNDS0	N/A	Prefix Type: RBOC Switch Name: ROMULUS Switch Type: DMS100 LATA: Detroit MI (340) Tandem: WAYNMIMN20T 🔧 Explore Switch(CLLI: RMLSMIMNDS0))
734-247-3XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	ROMULUS	RMLSMIMNDS0	N/A	Prefix Type: RBOC Switch Name: ROMULUS Switch Type: DMS100 LATA: Detroit MI (340) Tandem: WAYNMIMN20T 🔧 Explore Switch(CLLI: RMLSMIMNDS0))
734-247-4XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	ROMULUS	RMLSMIMNDS0	N/A	Prefix Type: RBOC Switch Name: ROMULUS Switch Type: DMS100 LATA: Detroit MI (340) Tandem: WAYNMIMN20T 🔧 Explore Switch(CLLI: RMLSMIMNDS0))
734-247-5XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	ROMULUS	RMLSMIMNDS0	N/A	Prefix Type: RBOC Switch Name: ROMULUS Switch Type: DMS100 LATA: Detroit MI (340) Tandem: WAYNMIMN20T 🔧 Explore Switch(CLLI: RMLSMIMNDS0))
734-247-6XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	ROMULUS	RMLSMIMNDS0	N/A	Prefix Type: RBOC Switch Name: ROMULUS Switch Type: DMS100 LATA: Detroit MI (340) Tandem: WAYNMIMN20T 🔧 Explore Switch(CLLI: RMLSMIMNDS0))
734-247-7XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	ROMULUS	RMLSMIMNDS0	N/A	Prefix Type: RBOC Switch Name: ROMULUS Switch Type: DMS100 LATA: Detroit MI (340) Tandem: WAYNMIMN20T 🔧 Explore Switch(CLLI: RMLSMIMNDS0))
734-254	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	PLYMOUTH	PLMOMIMNDS0	00/00/0000	Prefix Type: RBOC Switch Name: PLYMOUTH DS0 Switch Type: DMS100 LATA: Detroit MI (340) Tandem: ANARMIMN20T 🔧 Explore Switch(CLLI: PLMOMIMNDS0))
734-254 is split into 1,000-number blocks - detail below
734-254-0XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	PLYMOUTH	PLMOMIMNDS0	N/A	Prefix Type: RBOC Switch Name: PLYMOUTH DS0 Switch Type: DMS100 LATA: Detroit MI (340) Tandem: ANARMIMN20T 🔧 Explore Switch(CLLI: PLMOMIMNDS0))
734-254-1XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	PLYMOUTH	PLMOMIMNDS0	N/A	Prefix Type: RBOC Switch Name: PLYMOUTH DS0 Switch Type: DMS100 LATA: Detroit MI (340) Tandem: ANARMIMN20T 🔧 Explore Switch(CLLI: PLMOMIMNDS0))
734-254-3XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	PLYMOUTH	PLMOMIMNDS0	N/A	Prefix Type: RBOC Switch Name: PLYMOUTH DS0 Switch Type: DMS100 LATA: Detroit MI (340) Tandem: ANARMIMN20T 🔧 Explore Switch(CLLI: PLMOMIMNDS0))
734-254-4XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	PLYMOUTH	PLMOMIMNDS0	N/A	Prefix Type: RBOC Switch Name: PLYMOUTH DS0 Switch Type: DMS100 LATA: Detroit MI (340) Tandem: ANARMIMN20T 🔧 Explore Switch(CLLI: PLMOMIMNDS0))
734-254-5XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	PLYMOUTH	PLMOMIMNDS0	N/A	Prefix Type: RBOC Switch Name: PLYMOUTH DS0 Switch Type: DMS100 LATA: Detroit MI (340) Tandem: ANARMIMN20T 🔧 Explore Switch(CLLI: PLMOMIMNDS0))
734-254-6XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	PLYMOUTH	PLMOMIMNDS0	N/A	Prefix Type: RBOC Switch Name: PLYMOUTH DS0 Switch Type: DMS100 LATA: Detroit MI (340) Tandem: ANARMIMN20T 🔧 Explore Switch(CLLI: PLMOMIMNDS0))
734-254-7XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	PLYMOUTH	PLMOMIMNDS0	N/A	Prefix Type: RBOC Switch Name: PLYMOUTH DS0 Switch Type: DMS100 LATA: Detroit MI (340) Tandem: ANARMIMN20T 🔧 Explore Switch(CLLI: PLMOMIMNDS0))
734-254-8XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	PLYMOUTH	PLMOMIMNDS0	N/A	Prefix Type: RBOC Switch Name: PLYMOUTH DS0 Switch Type: DMS100 LATA: Detroit MI (340) Tandem: ANARMIMN20T 🔧 Explore Switch(CLLI: PLMOMIMNDS0))
734-254-9XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	PLYMOUTH	PLMOMIMNDS0	N/A	Prefix Type: RBOC Switch Name: PLYMOUTH DS0 Switch Type: DMS100 LATA: Detroit MI (340) Tandem: ANARMIMN20T 🔧 Explore Switch(CLLI: PLMOMIMNDS0))
734-261	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	LIVONIA	LIVNMIMNRP0	00/00/0000	Prefix Type: RBOC Switch Name: LIVONIA Switch Type: N/A LATA: Detroit MI (340) Tandem: N/A 🔧 Explore Switch(CLLI: LIVNMIMNRP0))
734-265 is split into 1,000-number blocks - detail below
734-265-3XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	MONROE	MONRMIMNDS0	11/04/2003	Prefix Type: RBOC Switch Name: MONROE Switch Type: DMS100 LATA: Detroit MI (340) Tandem: WAYNMIMN20T 🔧 Explore Switch(CLLI: MONRMIMNDS0))
734-265-4XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	MONROE	MONRMIMNDS0	11/04/2003	Prefix Type: RBOC Switch Name: MONROE Switch Type: DMS100 LATA: Detroit MI (340) Tandem: WAYNMIMN20T 🔧 Explore Switch(CLLI: MONRMIMNDS0))
734-265-5XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	MONROE	MONRMIMNDS0	11/04/2003	Prefix Type: RBOC Switch Name: MONROE Switch Type: DMS100 LATA: Detroit MI (340) Tandem: WAYNMIMN20T 🔧 Explore Switch(CLLI: MONRMIMNDS0))
734-266	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	LIVONIA	LIVNMIMNRP0	00/00/0000	Prefix Type: RBOC Switch Name: LIVONIA Switch Type: N/A LATA: Detroit MI (340) Tandem: N/A 🔧 Explore Switch(CLLI: LIVNMIMNRP0))
734-281	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	WYANDOTTE	WYNDMIMNRP0	00/00/0000	Prefix Type: RBOC Switch Name: WYANDOTTE Switch Type: N/A LATA: Detroit MI (340) Tandem: N/A 🔧 Explore Switch(CLLI: WYNDMIMNRP0))
734-282	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	WYANDOTTE	WYNDMIMNRP0	00/00/0000	Prefix Type: RBOC Switch Name: WYANDOTTE Switch Type: N/A LATA: Detroit MI (340) Tandem: N/A 🔧 Explore Switch(CLLI: WYNDMIMNRP0))
734-283	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	WYANDOTTE	WYNDMIMNRP0	00/00/0000	Prefix Type: RBOC Switch Name: WYANDOTTE Switch Type: N/A LATA: Detroit MI (340) Tandem: N/A 🔧 Explore Switch(CLLI: WYNDMIMNRP0))
734-284	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	WYANDOTTE	WYNDMIMNRP0	00/00/0000	Prefix Type: RBOC Switch Name: WYANDOTTE Switch Type: N/A LATA: Detroit MI (340) Tandem: N/A 🔧 Explore Switch(CLLI: WYNDMIMNRP0))
734-285	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	WYANDOTTE	WYNDMIMNRP0	00/00/0000	Prefix Type: RBOC Switch Name: WYANDOTTE Switch Type: N/A LATA: Detroit MI (340) Tandem: N/A 🔧 Explore Switch(CLLI: WYNDMIMNRP0))
734-287	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	WYANDOTTE	TAYLMIWKDS0	00/00/0000	Prefix Type: RBOC Switch Name: TAYLOR WICK Switch Type: 5ESS LATA: Detroit MI (340) Tandem: WAYNMIMN20T 🔧 Explore Switch(CLLI: TAYLMIWKDS0))
734-289	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	MONROE	MONRMINERSA	00/00/0000	Prefix Type: RBOC Switch Name: MONROE NE Switch Type: N/A LATA: Detroit MI (340) Tandem: WAYNMIMN20T 🔧 Explore Switch(CLLI: MONRMINERSA))
734-289 is split into 1,000-number blocks - detail below
734-289-0XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	MONROE	MONRMINERSA	N/A	Prefix Type: RBOC Switch Name: MONROE NE Switch Type: N/A LATA: Detroit MI (340) Tandem: WAYNMIMN20T 🔧 Explore Switch(CLLI: MONRMINERSA))
734-289-1XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	MONROE	MONRMINERSA	N/A	Prefix Type: RBOC Switch Name: MONROE NE Switch Type: N/A LATA: Detroit MI (340) Tandem: WAYNMIMN20T 🔧 Explore Switch(CLLI: MONRMINERSA))
734-289-2XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	MONROE	MONRMINERSA	N/A	Prefix Type: RBOC Switch Name: MONROE NE Switch Type: N/A LATA: Detroit MI (340) Tandem: WAYNMIMN20T 🔧 Explore Switch(CLLI: MONRMINERSA))
734-289-3XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	MONROE	MONRMINERSA	N/A	Prefix Type: RBOC Switch Name: MONROE NE Switch Type: N/A LATA: Detroit MI (340) Tandem: WAYNMIMN20T 🔧 Explore Switch(CLLI: MONRMINERSA))
734-289-4XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	MONROE	MONRMINERSA	N/A	Prefix Type: RBOC Switch Name: MONROE NE Switch Type: N/A LATA: Detroit MI (340) Tandem: WAYNMIMN20T 🔧 Explore Switch(CLLI: MONRMINERSA))
734-289-5XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	MONROE	MONRMINERSA	N/A	Prefix Type: RBOC Switch Name: MONROE NE Switch Type: N/A LATA: Detroit MI (340) Tandem: WAYNMIMN20T 🔧 Explore Switch(CLLI: MONRMINERSA))
734-289-6XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	MONROE	MONRMINERSA	N/A	Prefix Type: RBOC Switch Name: MONROE NE Switch Type: N/A LATA: Detroit MI (340) Tandem: WAYNMIMN20T 🔧 Explore Switch(CLLI: MONRMINERSA))
734-289-7XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	MONROE	MONRMINERSA	N/A	Prefix Type: RBOC Switch Name: MONROE NE Switch Type: N/A LATA: Detroit MI (340) Tandem: WAYNMIMN20T 🔧 Explore Switch(CLLI: MONRMINERSA))
734-289-8XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	MONROE	MONRMINERSA	N/A	Prefix Type: RBOC Switch Name: MONROE NE Switch Type: N/A LATA: Detroit MI (340) Tandem: WAYNMIMN20T 🔧 Explore Switch(CLLI: MONRMINERSA))
734-302	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	ANN ARBOR	ANARMIMNDS0	00/00/0000	Prefix Type: RBOC Switch Name: ANN ARBOR DS0 Switch Type: 5ESS LATA: Detroit MI (340) Tandem: ANARMIMN20T 🔧 Explore Switch(CLLI: ANARMIMNDS0))
734-302 is split into 1,000-number blocks - detail below
734-302-2XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	ANN ARBOR	ANARMIMNDS0	N/A	Prefix Type: RBOC Switch Name: ANN ARBOR DS0 Switch Type: 5ESS LATA: Detroit MI (340) Tandem: ANARMIMN20T 🔧 Explore Switch(CLLI: ANARMIMNDS0))
734-302-3XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	ANN ARBOR	ANARMIMNDS0	N/A	Prefix Type: RBOC Switch Name: ANN ARBOR DS0 Switch Type: 5ESS LATA: Detroit MI (340) Tandem: ANARMIMN20T 🔧 Explore Switch(CLLI: ANARMIMNDS0))
734-302-4XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	ANN ARBOR	ANARMIMNDS0	N/A	Prefix Type: RBOC Switch Name: ANN ARBOR DS0 Switch Type: 5ESS LATA: Detroit MI (340) Tandem: ANARMIMN20T 🔧 Explore Switch(CLLI: ANARMIMNDS0))
734-302-5XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	ANN ARBOR	ANARMIMNDS0	N/A	Prefix Type: RBOC Switch Name: ANN ARBOR DS0 Switch Type: 5ESS LATA: Detroit MI (340) Tandem: ANARMIMN20T 🔧 Explore Switch(CLLI: ANARMIMNDS0))
734-302-6XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	ANN ARBOR	ANARMIMNDS0	N/A	Prefix Type: RBOC Switch Name: ANN ARBOR DS0 Switch Type: 5ESS LATA: Detroit MI (340) Tandem: ANARMIMN20T 🔧 Explore Switch(CLLI: ANARMIMNDS0))
734-302-7XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	ANN ARBOR	ANARMIMNDS0	N/A	Prefix Type: RBOC Switch Name: ANN ARBOR DS0 Switch Type: 5ESS LATA: Detroit MI (340) Tandem: ANARMIMN20T 🔧 Explore Switch(CLLI: ANARMIMNDS0))
734-302-8XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	ANN ARBOR	ANARMIMNDS0	N/A	Prefix Type: RBOC Switch Name: ANN ARBOR DS0 Switch Type: 5ESS LATA: Detroit MI (340) Tandem: ANARMIMN20T 🔧 Explore Switch(CLLI: ANARMIMNDS0))
734-302-9XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	ANN ARBOR	ANARMIMNDS0	N/A	Prefix Type: RBOC Switch Name: ANN ARBOR DS0 Switch Type: 5ESS LATA: Detroit MI (340) Tandem: ANARMIMN20T 🔧 Explore Switch(CLLI: ANARMIMNDS0))
734-324	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	WYANDOTTE	WYNDMIMNRP0	00/00/0000	Prefix Type: RBOC Switch Name: WYANDOTTE Switch Type: N/A LATA: Detroit MI (340) Tandem: N/A 🔧 Explore Switch(CLLI: WYNDMIMNRP0))
734-324 is split into 1,000-number blocks - detail below
734-324-0XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	WYANDOTTE	WYNDMIMNRP0	N/A	Prefix Type: RBOC Switch Name: WYANDOTTE Switch Type: N/A LATA: Detroit MI (340) Tandem: N/A 🔧 Explore Switch(CLLI: WYNDMIMNRP0))
734-324-2XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	WYANDOTTE	WYNDMIMNRP0	N/A	Prefix Type: RBOC Switch Name: WYANDOTTE Switch Type: N/A LATA: Detroit MI (340) Tandem: N/A 🔧 Explore Switch(CLLI: WYNDMIMNRP0))
734-324-3XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	WYANDOTTE	WYNDMIMNRP0	N/A	Prefix Type: RBOC Switch Name: WYANDOTTE Switch Type: N/A LATA: Detroit MI (340) Tandem: N/A 🔧 Explore Switch(CLLI: WYNDMIMNRP0))
734-324-4XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	WYANDOTTE	WYNDMIMNRP0	N/A	Prefix Type: RBOC Switch Name: WYANDOTTE Switch Type: N/A LATA: Detroit MI (340) Tandem: N/A 🔧 Explore Switch(CLLI: WYNDMIMNRP0))
734-324-5XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	WYANDOTTE	WYNDMIMNRP0	N/A	Prefix Type: RBOC Switch Name: WYANDOTTE Switch Type: N/A LATA: Detroit MI (340) Tandem: N/A 🔧 Explore Switch(CLLI: WYNDMIMNRP0))
734-324-6XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	WYANDOTTE	WYNDMIMNRP0	N/A	Prefix Type: RBOC Switch Name: WYANDOTTE Switch Type: N/A LATA: Detroit MI (340) Tandem: N/A 🔧 Explore Switch(CLLI: WYNDMIMNRP0))
734-324-7XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	WYANDOTTE	WYNDMIMNRP0	N/A	Prefix Type: RBOC Switch Name: WYANDOTTE Switch Type: N/A LATA: Detroit MI (340) Tandem: N/A 🔧 Explore Switch(CLLI: WYNDMIMNRP0))
734-324-8XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	WYANDOTTE	WYNDMIMNRP0	N/A	Prefix Type: RBOC Switch Name: WYANDOTTE Switch Type: N/A LATA: Detroit MI (340) Tandem: N/A 🔧 Explore Switch(CLLI: WYNDMIMNRP0))
734-324-9XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	WYANDOTTE	WYNDMIMNRP0	N/A	Prefix Type: RBOC Switch Name: WYANDOTTE Switch Type: N/A LATA: Detroit MI (340) Tandem: N/A 🔧 Explore Switch(CLLI: WYNDMIMNRP0))
734-326	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	WAYNE	WAYNMIMNDS0	00/00/0000	Prefix Type: RBOC Switch Name: WAYNE DS0 Switch Type: EWSD LATA: Detroit MI (340) Tandem: WAYNMIMN20T 🔧 Explore Switch(CLLI: WAYNMIMNDS0))
734-327	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	ANN ARBOR	ANARMIMNDS0	00/00/0000	Prefix Type: RBOC Switch Name: ANN ARBOR DS0 Switch Type: 5ESS LATA: Detroit MI (340) Tandem: ANARMIMN20T 🔧 Explore Switch(CLLI: ANARMIMNDS0))
734-331 is split into 1,000-number blocks - detail below
734-331-1XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	WAYNE	WAYNMIMNDS0	02/25/2010	Prefix Type: RBOC Switch Name: WAYNE DS0 Switch Type: EWSD LATA: Detroit MI (340) Tandem: WAYNMIMN20T 🔧 Explore Switch(CLLI: WAYNMIMNDS0))
734-332	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	ANN ARBOR	ANARMIMNDS0	00/00/0000	Prefix Type: RBOC Switch Name: ANN ARBOR DS0 Switch Type: 5ESS LATA: Detroit MI (340) Tandem: ANARMIMN20T 🔧 Explore Switch(CLLI: ANARMIMNDS0))
734-332 is split into 1,000-number blocks - detail below
734-332-0XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	ANN ARBOR	ANARMIMNDS0	N/A	Prefix Type: RBOC Switch Name: ANN ARBOR DS0 Switch Type: 5ESS LATA: Detroit MI (340) Tandem: ANARMIMN20T 🔧 Explore Switch(CLLI: ANARMIMNDS0))
734-332-1XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	ANN ARBOR	ANARMIMNDS0	N/A	Prefix Type: RBOC Switch Name: ANN ARBOR DS0 Switch Type: 5ESS LATA: Detroit MI (340) Tandem: ANARMIMN20T 🔧 Explore Switch(CLLI: ANARMIMNDS0))
734-332-3XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	ANN ARBOR	ANARMIMNDS0	N/A	Prefix Type: RBOC Switch Name: ANN ARBOR DS0 Switch Type: 5ESS LATA: Detroit MI (340) Tandem: ANARMIMN20T 🔧 Explore Switch(CLLI: ANARMIMNDS0))
734-332-4XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	ANN ARBOR	ANARMIMNDS0	N/A	Prefix Type: RBOC Switch Name: ANN ARBOR DS0 Switch Type: 5ESS LATA: Detroit MI (340) Tandem: ANARMIMN20T 🔧 Explore Switch(CLLI: ANARMIMNDS0))
734-332-5XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	ANN ARBOR	ANARMIMNDS0	N/A	Prefix Type: RBOC Switch Name: ANN ARBOR DS0 Switch Type: 5ESS LATA: Detroit MI (340) Tandem: ANARMIMN20T 🔧 Explore Switch(CLLI: ANARMIMNDS0))
734-332-6XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	ANN ARBOR	ANARMIMNDS0	N/A	Prefix Type: RBOC Switch Name: ANN ARBOR DS0 Switch Type: 5ESS LATA: Detroit MI (340) Tandem: ANARMIMN20T 🔧 Explore Switch(CLLI: ANARMIMNDS0))
734-332-7XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	ANN ARBOR	ANARMIMNDS0	N/A	Prefix Type: RBOC Switch Name: ANN ARBOR DS0 Switch Type: 5ESS LATA: Detroit MI (340) Tandem: ANARMIMN20T 🔧 Explore Switch(CLLI: ANARMIMNDS0))
734-332-8XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	ANN ARBOR	ANARMIMNDS0	N/A	Prefix Type: RBOC Switch Name: ANN ARBOR DS0 Switch Type: 5ESS LATA: Detroit MI (340) Tandem: ANARMIMN20T 🔧 Explore Switch(CLLI: ANARMIMNDS0))
734-332-9XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	ANN ARBOR	ANARMIMNDS0	N/A	Prefix Type: RBOC Switch Name: ANN ARBOR DS0 Switch Type: 5ESS LATA: Detroit MI (340) Tandem: ANARMIMN20T 🔧 Explore Switch(CLLI: ANARMIMNDS0))
734-334	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	WAYNE	LIVNMIMNRP0	00/00/0000	Prefix Type: RBOC Switch Name: LIVONIA Switch Type: N/A LATA: Detroit MI (340) Tandem: N/A 🔧 Explore Switch(CLLI: LIVNMIMNRP0))
734-334 is split into 1,000-number blocks - detail below
734-334-1XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	WAYNE	LIVNMIMNRP0	N/A	Prefix Type: RBOC Switch Name: LIVONIA Switch Type: N/A LATA: Detroit MI (340) Tandem: N/A 🔧 Explore Switch(CLLI: LIVNMIMNRP0))
734-334-2XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	WAYNE	LIVNMIMNRP0	N/A	Prefix Type: RBOC Switch Name: LIVONIA Switch Type: N/A LATA: Detroit MI (340) Tandem: N/A 🔧 Explore Switch(CLLI: LIVNMIMNRP0))
734-334-4XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	WAYNE	LIVNMIMNRP0	N/A	Prefix Type: RBOC Switch Name: LIVONIA Switch Type: N/A LATA: Detroit MI (340) Tandem: N/A 🔧 Explore Switch(CLLI: LIVNMIMNRP0))
734-334-5XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	WAYNE	LIVNMIMNRP0	N/A	Prefix Type: RBOC Switch Name: LIVONIA Switch Type: N/A LATA: Detroit MI (340) Tandem: N/A 🔧 Explore Switch(CLLI: LIVNMIMNRP0))
734-334-9XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	WAYNE	LIVNMIMNRP0	N/A	Prefix Type: RBOC Switch Name: LIVONIA Switch Type: N/A LATA: Detroit MI (340) Tandem: N/A 🔧 Explore Switch(CLLI: LIVNMIMNRP0))
734-350	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	YPSILANTI	ANARMISEDS0	10/30/2019	Prefix Type: RBOC Switch Name: ANN ARBOR SE Switch Type: DMS100 LATA: Detroit MI (340) Tandem: ANARMIMN20T 🔧 Explore Switch(CLLI: ANARMISEDS0))
734-350 is split into 1,000-number blocks - detail below
734-350-0XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	YPSILANTI	ANARMISEDS0	10/31/2019	Prefix Type: RBOC Switch Name: ANN ARBOR SE Switch Type: DMS100 LATA: Detroit MI (340) Tandem: ANARMIMN20T 🔧 Explore Switch(CLLI: ANARMISEDS0))
734-350-1XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	YPSILANTI	ANARMISEDS0	10/31/2019	Prefix Type: RBOC Switch Name: ANN ARBOR SE Switch Type: DMS100 LATA: Detroit MI (340) Tandem: ANARMIMN20T 🔧 Explore Switch(CLLI: ANARMISEDS0))
734-350-2XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	YPSILANTI	ANARMISEDS0	10/31/2019	Prefix Type: RBOC Switch Name: ANN ARBOR SE Switch Type: DMS100 LATA: Detroit MI (340) Tandem: ANARMIMN20T 🔧 Explore Switch(CLLI: ANARMISEDS0))
734-350-3XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	YPSILANTI	ANARMISEDS0	10/31/2019	Prefix Type: RBOC Switch Name: ANN ARBOR SE Switch Type: DMS100 LATA: Detroit MI (340) Tandem: ANARMIMN20T 🔧 Explore Switch(CLLI: ANARMISEDS0))
734-350-4XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	YPSILANTI	ANARMISEDS0	10/31/2019	Prefix Type: RBOC Switch Name: ANN ARBOR SE Switch Type: DMS100 LATA: Detroit MI (340) Tandem: ANARMIMN20T 🔧 Explore Switch(CLLI: ANARMISEDS0))
734-350-5XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	YPSILANTI	ANARMISEDS0	10/31/2019	Prefix Type: RBOC Switch Name: ANN ARBOR SE Switch Type: DMS100 LATA: Detroit MI (340) Tandem: ANARMIMN20T 🔧 Explore Switch(CLLI: ANARMISEDS0))
734-350-6XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	YPSILANTI	ANARMISEDS0	10/31/2019	Prefix Type: RBOC Switch Name: ANN ARBOR SE Switch Type: DMS100 LATA: Detroit MI (340) Tandem: ANARMIMN20T 🔧 Explore Switch(CLLI: ANARMISEDS0))
734-350-7XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	YPSILANTI	ANARMISEDS0	10/31/2019	Prefix Type: RBOC Switch Name: ANN ARBOR SE Switch Type: DMS100 LATA: Detroit MI (340) Tandem: ANARMIMN20T 🔧 Explore Switch(CLLI: ANARMISEDS0))
734-350-8XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	YPSILANTI	ANARMISEDS0	10/31/2019	Prefix Type: RBOC Switch Name: ANN ARBOR SE Switch Type: DMS100 LATA: Detroit MI (340) Tandem: ANARMIMN20T 🔧 Explore Switch(CLLI: ANARMISEDS0))
734-350-9XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	YPSILANTI	ANARMISEDS0	10/31/2019	Prefix Type: RBOC Switch Name: ANN ARBOR SE Switch Type: DMS100 LATA: Detroit MI (340) Tandem: ANARMIMN20T 🔧 Explore Switch(CLLI: ANARMISEDS0))
734-354	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	PLYMOUTH	PLMOMIMNDS0	00/00/0000	Prefix Type: RBOC Switch Name: PLYMOUTH DS0 Switch Type: DMS100 LATA: Detroit MI (340) Tandem: ANARMIMN20T 🔧 Explore Switch(CLLI: PLMOMIMNDS0))
734-362	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	TRENTON	TRENMIMNDS0	00/00/0000	Prefix Type: RBOC Switch Name: TRENTON DS0 Switch Type: EWSD LATA: Detroit MI (340) Tandem: WAYNMIMN20T 🔧 Explore Switch(CLLI: TRENMIMNDS0))
734-362 is split into 1,000-number blocks - detail below
734-362-0XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	TRENTON	TRENMIMNDS0	N/A	Prefix Type: RBOC Switch Name: TRENTON DS0 Switch Type: EWSD LATA: Detroit MI (340) Tandem: WAYNMIMN20T 🔧 Explore Switch(CLLI: TRENMIMNDS0))
734-362-1XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	TRENTON	TRENMIMNDS0	N/A	Prefix Type: RBOC Switch Name: TRENTON DS0 Switch Type: EWSD LATA: Detroit MI (340) Tandem: WAYNMIMN20T 🔧 Explore Switch(CLLI: TRENMIMNDS0))
734-362-2XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	TRENTON	TRENMIMNDS0	N/A	Prefix Type: RBOC Switch Name: TRENTON DS0 Switch Type: EWSD LATA: Detroit MI (340) Tandem: WAYNMIMN20T 🔧 Explore Switch(CLLI: TRENMIMNDS0))
734-362-3XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	TRENTON	TRENMIMNDS0	N/A	Prefix Type: RBOC Switch Name: TRENTON DS0 Switch Type: EWSD LATA: Detroit MI (340) Tandem: WAYNMIMN20T 🔧 Explore Switch(CLLI: TRENMIMNDS0))
734-362-5XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	TRENTON	TRENMIMNDS0	N/A	Prefix Type: RBOC Switch Name: TRENTON DS0 Switch Type: EWSD LATA: Detroit MI (340) Tandem: WAYNMIMN20T 🔧 Explore Switch(CLLI: TRENMIMNDS0))
734-362-6XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	TRENTON	TRENMIMNDS0	N/A	Prefix Type: RBOC Switch Name: TRENTON DS0 Switch Type: EWSD LATA: Detroit MI (340) Tandem: WAYNMIMN20T 🔧 Explore Switch(CLLI: TRENMIMNDS0))
734-362-7XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	TRENTON	TRENMIMNDS0	N/A	Prefix Type: RBOC Switch Name: TRENTON DS0 Switch Type: EWSD LATA: Detroit MI (340) Tandem: WAYNMIMN20T 🔧 Explore Switch(CLLI: TRENMIMNDS0))
734-362-8XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	TRENTON	TRENMIMNDS0	N/A	Prefix Type: RBOC Switch Name: TRENTON DS0 Switch Type: EWSD LATA: Detroit MI (340) Tandem: WAYNMIMN20T 🔧 Explore Switch(CLLI: TRENMIMNDS0))
734-367	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	LIVONIA	LIVNMIMNRP0	00/00/0000	Prefix Type: RBOC Switch Name: LIVONIA Switch Type: N/A LATA: Detroit MI (340) Tandem: N/A 🔧 Explore Switch(CLLI: LIVNMIMNRP0))
734-367 is split into 1,000-number blocks - detail below
734-367-0XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	LIVONIA	LIVNMIMNRP0	N/A	Prefix Type: RBOC Switch Name: LIVONIA Switch Type: N/A LATA: Detroit MI (340) Tandem: N/A 🔧 Explore Switch(CLLI: LIVNMIMNRP0))
734-367-1XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	LIVONIA	LIVNMIMNRP0	N/A	Prefix Type: RBOC Switch Name: LIVONIA Switch Type: N/A LATA: Detroit MI (340) Tandem: N/A 🔧 Explore Switch(CLLI: LIVNMIMNRP0))
734-367-2XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	LIVONIA	LIVNMIMNRP0	N/A	Prefix Type: RBOC Switch Name: LIVONIA Switch Type: N/A LATA: Detroit MI (340) Tandem: N/A 🔧 Explore Switch(CLLI: LIVNMIMNRP0))
734-367-3XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	LIVONIA	LIVNMIMNRP0	N/A	Prefix Type: RBOC Switch Name: LIVONIA Switch Type: N/A LATA: Detroit MI (340) Tandem: N/A 🔧 Explore Switch(CLLI: LIVNMIMNRP0))
734-367-5XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	LIVONIA	LIVNMIMNRP0	N/A	Prefix Type: RBOC Switch Name: LIVONIA Switch Type: N/A LATA: Detroit MI (340) Tandem: N/A 🔧 Explore Switch(CLLI: LIVNMIMNRP0))
734-367-6XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	LIVONIA	LIVNMIMNRP0	N/A	Prefix Type: RBOC Switch Name: LIVONIA Switch Type: N/A LATA: Detroit MI (340) Tandem: N/A 🔧 Explore Switch(CLLI: LIVNMIMNRP0))
734-367-7XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	LIVONIA	LIVNMIMNRP0	N/A	Prefix Type: RBOC Switch Name: LIVONIA Switch Type: N/A LATA: Detroit MI (340) Tandem: N/A 🔧 Explore Switch(CLLI: LIVNMIMNRP0))
734-367-8XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	LIVONIA	LIVNMIMNRP0	N/A	Prefix Type: RBOC Switch Name: LIVONIA Switch Type: N/A LATA: Detroit MI (340) Tandem: N/A 🔧 Explore Switch(CLLI: LIVNMIMNRP0))
734-367-9XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	LIVONIA	LIVNMIMNRP0	N/A	Prefix Type: RBOC Switch Name: LIVONIA Switch Type: N/A LATA: Detroit MI (340) Tandem: N/A 🔧 Explore Switch(CLLI: LIVNMIMNRP0))
734-374	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	WYANDOTTE	TAYLMIWKDS0	00/00/0000	Prefix Type: RBOC Switch Name: TAYLOR WICK Switch Type: 5ESS LATA: Detroit MI (340) Tandem: WAYNMIMN20T 🔧 Explore Switch(CLLI: TAYLMIWKDS0))
734-374 is split into 1,000-number blocks - detail below
734-374-0XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	WYANDOTTE	TAYLMIWKDS0	N/A	Prefix Type: RBOC Switch Name: TAYLOR WICK Switch Type: 5ESS LATA: Detroit MI (340) Tandem: WAYNMIMN20T 🔧 Explore Switch(CLLI: TAYLMIWKDS0))
734-374-1XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	WYANDOTTE	TAYLMIWKDS0	N/A	Prefix Type: RBOC Switch Name: TAYLOR WICK Switch Type: 5ESS LATA: Detroit MI (340) Tandem: WAYNMIMN20T 🔧 Explore Switch(CLLI: TAYLMIWKDS0))
734-374-2XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	WYANDOTTE	TAYLMIWKDS0	N/A	Prefix Type: RBOC Switch Name: TAYLOR WICK Switch Type: 5ESS LATA: Detroit MI (340) Tandem: WAYNMIMN20T 🔧 Explore Switch(CLLI: TAYLMIWKDS0))
734-374-3XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	WYANDOTTE	TAYLMIWKDS0	N/A	Prefix Type: RBOC Switch Name: TAYLOR WICK Switch Type: 5ESS LATA: Detroit MI (340) Tandem: WAYNMIMN20T 🔧 Explore Switch(CLLI: TAYLMIWKDS0))
734-374-4XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	WYANDOTTE	TAYLMIWKDS0	N/A	Prefix Type: RBOC Switch Name: TAYLOR WICK Switch Type: 5ESS LATA: Detroit MI (340) Tandem: WAYNMIMN20T 🔧 Explore Switch(CLLI: TAYLMIWKDS0))
734-374-5XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	WYANDOTTE	TAYLMIWKDS0	N/A	Prefix Type: RBOC Switch Name: TAYLOR WICK Switch Type: 5ESS LATA: Detroit MI (340) Tandem: WAYNMIMN20T 🔧 Explore Switch(CLLI: TAYLMIWKDS0))
734-374-7XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	WYANDOTTE	TAYLMIWKDS0	N/A	Prefix Type: RBOC Switch Name: TAYLOR WICK Switch Type: 5ESS LATA: Detroit MI (340) Tandem: WAYNMIMN20T 🔧 Explore Switch(CLLI: TAYLMIWKDS0))
734-374-8XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	WYANDOTTE	TAYLMIWKDS0	N/A	Prefix Type: RBOC Switch Name: TAYLOR WICK Switch Type: 5ESS LATA: Detroit MI (340) Tandem: WAYNMIMN20T 🔧 Explore Switch(CLLI: TAYLMIWKDS0))
734-374-9XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	WYANDOTTE	TAYLMIWKDS0	N/A	Prefix Type: RBOC Switch Name: TAYLOR WICK Switch Type: 5ESS LATA: Detroit MI (340) Tandem: WAYNMIMN20T 🔧 Explore Switch(CLLI: TAYLMIWKDS0))
734-379	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	ROCKWOOD	RKWDMIRWRS0	00/00/0000	Prefix Type: RBOC Switch Name: ROCKWOOD Switch Type: N/A LATA: Detroit MI (340) Tandem: WAYNMIMN20T 🔧 Explore Switch(CLLI: RKWDMIRWRS0))
734-384	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	MONROE	MONRMIMNDS0	00/00/0000	Prefix Type: RBOC Switch Name: MONROE Switch Type: DMS100 LATA: Detroit MI (340) Tandem: WAYNMIMN20T 🔧 Explore Switch(CLLI: MONRMIMNDS0))
734-384 is split into 1,000-number blocks - detail below
734-384-0XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	MONROE	MONRMIMNDS0	N/A	Prefix Type: RBOC Switch Name: MONROE Switch Type: DMS100 LATA: Detroit MI (340) Tandem: WAYNMIMN20T 🔧 Explore Switch(CLLI: MONRMIMNDS0))
734-384-1XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	MONROE	MONRMIMNDS0	N/A	Prefix Type: RBOC Switch Name: MONROE Switch Type: DMS100 LATA: Detroit MI (340) Tandem: WAYNMIMN20T 🔧 Explore Switch(CLLI: MONRMIMNDS0))
734-384-2XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	MONROE	MONRMIMNDS0	N/A	Prefix Type: RBOC Switch Name: MONROE Switch Type: DMS100 LATA: Detroit MI (340) Tandem: WAYNMIMN20T 🔧 Explore Switch(CLLI: MONRMIMNDS0))
734-384-4XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	MONROE	MONRMIMNDS0	N/A	Prefix Type: RBOC Switch Name: MONROE Switch Type: DMS100 LATA: Detroit MI (340) Tandem: WAYNMIMN20T 🔧 Explore Switch(CLLI: MONRMIMNDS0))
734-384-5XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	MONROE	MONRMIMNDS0	N/A	Prefix Type: RBOC Switch Name: MONROE Switch Type: DMS100 LATA: Detroit MI (340) Tandem: WAYNMIMN20T 🔧 Explore Switch(CLLI: MONRMIMNDS0))
734-384-6XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	MONROE	MONRMIMNDS0	N/A	Prefix Type: RBOC Switch Name: MONROE Switch Type: DMS100 LATA: Detroit MI (340) Tandem: WAYNMIMN20T 🔧 Explore Switch(CLLI: MONRMIMNDS0))
734-384-7XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	MONROE	MONRMIMNDS0	N/A	Prefix Type: RBOC Switch Name: MONROE Switch Type: DMS100 LATA: Detroit MI (340) Tandem: WAYNMIMN20T 🔧 Explore Switch(CLLI: MONRMIMNDS0))
734-384-8XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	MONROE	MONRMIMNDS0	N/A	Prefix Type: RBOC Switch Name: MONROE Switch Type: DMS100 LATA: Detroit MI (340) Tandem: WAYNMIMN20T 🔧 Explore Switch(CLLI: MONRMIMNDS0))
734-384-9XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	MONROE	MONRMIMNDS0	N/A	Prefix Type: RBOC Switch Name: MONROE Switch Type: DMS100 LATA: Detroit MI (340) Tandem: WAYNMIMN20T 🔧 Explore Switch(CLLI: MONRMIMNDS0))
734-386	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	PLYMOUTH	LIVNMINWDS0	12/14/2005	Prefix Type: RBOC Switch Name: LIVONIA NW DS0 Switch Type: DMS100 LATA: Detroit MI (340) Tandem: ANARMIMN20T 🔧 Explore Switch(CLLI: LIVNMINWDS0))
734-386 is split into 1,000-number blocks - detail below
734-386-2XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	PLYMOUTH	LIVNMINWDS0	12/14/2005	Prefix Type: RBOC Switch Name: LIVONIA NW DS0 Switch Type: DMS100 LATA: Detroit MI (340) Tandem: ANARMIMN20T 🔧 Explore Switch(CLLI: LIVNMINWDS0))
734-386-3XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	PLYMOUTH	LIVNMINWDS0	12/14/2005	Prefix Type: RBOC Switch Name: LIVONIA NW DS0 Switch Type: DMS100 LATA: Detroit MI (340) Tandem: ANARMIMN20T 🔧 Explore Switch(CLLI: LIVNMINWDS0))
734-386-4XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	PLYMOUTH	LIVNMINWDS0	12/14/2005	Prefix Type: RBOC Switch Name: LIVONIA NW DS0 Switch Type: DMS100 LATA: Detroit MI (340) Tandem: ANARMIMN20T 🔧 Explore Switch(CLLI: LIVNMINWDS0))
734-386-5XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	PLYMOUTH	LIVNMINWDS0	12/14/2005	Prefix Type: RBOC Switch Name: LIVONIA NW DS0 Switch Type: DMS100 LATA: Detroit MI (340) Tandem: ANARMIMN20T 🔧 Explore Switch(CLLI: LIVNMINWDS0))
734-394	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	WAYNE	WAYNMINWDS0	00/00/0000	Prefix Type: RBOC Switch Name: WAYNE NW Switch Type: EWSD LATA: Detroit MI (340) Tandem: ANARMIMN20T 🔧 Explore Switch(CLLI: WAYNMINWDS0))
734-394 is split into 1,000-number blocks - detail below
734-394-0XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	WAYNE	WAYNMINWDS0	N/A	Prefix Type: RBOC Switch Name: WAYNE NW Switch Type: EWSD LATA: Detroit MI (340) Tandem: ANARMIMN20T 🔧 Explore Switch(CLLI: WAYNMINWDS0))
734-394-1XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	WAYNE	WAYNMINWDS0	N/A	Prefix Type: RBOC Switch Name: WAYNE NW Switch Type: EWSD LATA: Detroit MI (340) Tandem: ANARMIMN20T 🔧 Explore Switch(CLLI: WAYNMINWDS0))
734-394-2XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	WAYNE	WAYNMINWDS0	N/A	Prefix Type: RBOC Switch Name: WAYNE NW Switch Type: EWSD LATA: Detroit MI (340) Tandem: ANARMIMN20T 🔧 Explore Switch(CLLI: WAYNMINWDS0))
734-394-3XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	WAYNE	WAYNMINWDS0	N/A	Prefix Type: RBOC Switch Name: WAYNE NW Switch Type: EWSD LATA: Detroit MI (340) Tandem: ANARMIMN20T 🔧 Explore Switch(CLLI: WAYNMINWDS0))
734-394-4XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	WAYNE	WAYNMINWDS0	N/A	Prefix Type: RBOC Switch Name: WAYNE NW Switch Type: EWSD LATA: Detroit MI (340) Tandem: ANARMIMN20T 🔧 Explore Switch(CLLI: WAYNMINWDS0))
734-394-5XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	WAYNE	WAYNMINWDS0	N/A	Prefix Type: RBOC Switch Name: WAYNE NW Switch Type: EWSD LATA: Detroit MI (340) Tandem: ANARMIMN20T 🔧 Explore Switch(CLLI: WAYNMINWDS0))
734-397	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	WAYNE	WAYNMINWDS0	00/00/0000	Prefix Type: RBOC Switch Name: WAYNE NW Switch Type: EWSD LATA: Detroit MI (340) Tandem: ANARMIMN20T 🔧 Explore Switch(CLLI: WAYNMINWDS0))
734-398	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	WAYNE	WAYNMINWDS0	00/00/0000	Prefix Type: RBOC Switch Name: WAYNE NW Switch Type: EWSD LATA: Detroit MI (340) Tandem: ANARMIMN20T 🔧 Explore Switch(CLLI: WAYNMINWDS0))
734-398 is split into 1,000-number blocks - detail below
734-398-0XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	WAYNE	WAYNMINWDS0	N/A	Prefix Type: RBOC Switch Name: WAYNE NW Switch Type: EWSD LATA: Detroit MI (340) Tandem: ANARMIMN20T 🔧 Explore Switch(CLLI: WAYNMINWDS0))
734-398-5XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	WAYNE	WAYNMINWDS0	N/A	Prefix Type: RBOC Switch Name: WAYNE NW Switch Type: EWSD LATA: Detroit MI (340) Tandem: ANARMIMN20T 🔧 Explore Switch(CLLI: WAYNMINWDS0))
734-398-6XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	WAYNE	WAYNMINWDS0	N/A	Prefix Type: RBOC Switch Name: WAYNE NW Switch Type: EWSD LATA: Detroit MI (340) Tandem: ANARMIMN20T 🔧 Explore Switch(CLLI: WAYNMINWDS0))
734-398-7XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	WAYNE	WAYNMINWDS0	N/A	Prefix Type: RBOC Switch Name: WAYNE NW Switch Type: EWSD LATA: Detroit MI (340) Tandem: ANARMIMN20T 🔧 Explore Switch(CLLI: WAYNMINWDS0))
734-398-8XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	WAYNE	WAYNMINWDS0	N/A	Prefix Type: RBOC Switch Name: WAYNE NW Switch Type: EWSD LATA: Detroit MI (340) Tandem: ANARMIMN20T 🔧 Explore Switch(CLLI: WAYNMINWDS0))
734-398-9XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	WAYNE	WAYNMINWDS0	N/A	Prefix Type: RBOC Switch Name: WAYNE NW Switch Type: EWSD LATA: Detroit MI (340) Tandem: ANARMIMN20T 🔧 Explore Switch(CLLI: WAYNMINWDS0))
734-414	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	PLYMOUTH	PLMOMIMNDS0	00/00/0000	Prefix Type: RBOC Switch Name: PLYMOUTH DS0 Switch Type: DMS100 LATA: Detroit MI (340) Tandem: ANARMIMN20T 🔧 Explore Switch(CLLI: PLMOMIMNDS0))
734-414 is split into 1,000-number blocks - detail below
734-414-0XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	PLYMOUTH	PLMOMIMNDS0	N/A	Prefix Type: RBOC Switch Name: PLYMOUTH DS0 Switch Type: DMS100 LATA: Detroit MI (340) Tandem: ANARMIMN20T 🔧 Explore Switch(CLLI: PLMOMIMNDS0))
734-414-1XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	PLYMOUTH	PLMOMIMNDS0	N/A	Prefix Type: RBOC Switch Name: PLYMOUTH DS0 Switch Type: DMS100 LATA: Detroit MI (340) Tandem: ANARMIMN20T 🔧 Explore Switch(CLLI: PLMOMIMNDS0))
734-414-3XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	PLYMOUTH	PLMOMIMNDS0	N/A	Prefix Type: RBOC Switch Name: PLYMOUTH DS0 Switch Type: DMS100 LATA: Detroit MI (340) Tandem: ANARMIMN20T 🔧 Explore Switch(CLLI: PLMOMIMNDS0))
734-414-4XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	PLYMOUTH	PLMOMIMNDS0	N/A	Prefix Type: RBOC Switch Name: PLYMOUTH DS0 Switch Type: DMS100 LATA: Detroit MI (340) Tandem: ANARMIMN20T 🔧 Explore Switch(CLLI: PLMOMIMNDS0))
734-414-5XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	PLYMOUTH	PLMOMIMNDS0	N/A	Prefix Type: RBOC Switch Name: PLYMOUTH DS0 Switch Type: DMS100 LATA: Detroit MI (340) Tandem: ANARMIMN20T 🔧 Explore Switch(CLLI: PLMOMIMNDS0))
734-414-6XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	PLYMOUTH	PLMOMIMNDS0	N/A	Prefix Type: RBOC Switch Name: PLYMOUTH DS0 Switch Type: DMS100 LATA: Detroit MI (340) Tandem: ANARMIMN20T 🔧 Explore Switch(CLLI: PLMOMIMNDS0))
734-414-7XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	PLYMOUTH	PLMOMIMNDS0	N/A	Prefix Type: RBOC Switch Name: PLYMOUTH DS0 Switch Type: DMS100 LATA: Detroit MI (340) Tandem: ANARMIMN20T 🔧 Explore Switch(CLLI: PLMOMIMNDS0))
734-414-8XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	PLYMOUTH	PLMOMIMNDS0	N/A	Prefix Type: RBOC Switch Name: PLYMOUTH DS0 Switch Type: DMS100 LATA: Detroit MI (340) Tandem: ANARMIMN20T 🔧 Explore Switch(CLLI: PLMOMIMNDS0))
734-414-9XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	PLYMOUTH	PLMOMIMNDS0	N/A	Prefix Type: RBOC Switch Name: PLYMOUTH DS0 Switch Type: DMS100 LATA: Detroit MI (340) Tandem: ANARMIMN20T 🔧 Explore Switch(CLLI: PLMOMIMNDS0))
734-416	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	PLYMOUTH	PLMOMIMNDS0	00/00/0000	Prefix Type: RBOC Switch Name: PLYMOUTH DS0 Switch Type: DMS100 LATA: Detroit MI (340) Tandem: ANARMIMN20T 🔧 Explore Switch(CLLI: PLMOMIMNDS0))
734-420	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	PLYMOUTH	LIVNMINWDS0	00/00/0000	Prefix Type: RBOC Switch Name: LIVONIA NW DS0 Switch Type: DMS100 LATA: Detroit MI (340) Tandem: ANARMIMN20T 🔧 Explore Switch(CLLI: LIVNMINWDS0))
734-420 is split into 1,000-number blocks - detail below
734-420-0XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	PLYMOUTH	LIVNMINWDS0	N/A	Prefix Type: RBOC Switch Name: LIVONIA NW DS0 Switch Type: DMS100 LATA: Detroit MI (340) Tandem: ANARMIMN20T 🔧 Explore Switch(CLLI: LIVNMINWDS0))
734-420-1XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	PLYMOUTH	LIVNMINWDS0	N/A	Prefix Type: RBOC Switch Name: LIVONIA NW DS0 Switch Type: DMS100 LATA: Detroit MI (340) Tandem: ANARMIMN20T 🔧 Explore Switch(CLLI: LIVNMINWDS0))
734-420-2XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	PLYMOUTH	LIVNMINWDS0	N/A	Prefix Type: RBOC Switch Name: LIVONIA NW DS0 Switch Type: DMS100 LATA: Detroit MI (340) Tandem: ANARMIMN20T 🔧 Explore Switch(CLLI: LIVNMINWDS0))
734-420-3XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	PLYMOUTH	LIVNMINWDS0	N/A	Prefix Type: RBOC Switch Name: LIVONIA NW DS0 Switch Type: DMS100 LATA: Detroit MI (340) Tandem: ANARMIMN20T 🔧 Explore Switch(CLLI: LIVNMINWDS0))
734-420-4XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	PLYMOUTH	LIVNMINWDS0	N/A	Prefix Type: RBOC Switch Name: LIVONIA NW DS0 Switch Type: DMS100 LATA: Detroit MI (340) Tandem: ANARMIMN20T 🔧 Explore Switch(CLLI: LIVNMINWDS0))
734-420-5XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	PLYMOUTH	LIVNMINWDS0	N/A	Prefix Type: RBOC Switch Name: LIVONIA NW DS0 Switch Type: DMS100 LATA: Detroit MI (340) Tandem: ANARMIMN20T 🔧 Explore Switch(CLLI: LIVNMINWDS0))
734-420-6XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	PLYMOUTH	LIVNMINWDS0	N/A	Prefix Type: RBOC Switch Name: LIVONIA NW DS0 Switch Type: DMS100 LATA: Detroit MI (340) Tandem: ANARMIMN20T 🔧 Explore Switch(CLLI: LIVNMINWDS0))
734-420-7XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	PLYMOUTH	LIVNMINWDS0	N/A	Prefix Type: RBOC Switch Name: LIVONIA NW DS0 Switch Type: DMS100 LATA: Detroit MI (340) Tandem: ANARMIMN20T 🔧 Explore Switch(CLLI: LIVNMINWDS0))
734-420-9XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	PLYMOUTH	LIVNMINWDS0	N/A	Prefix Type: RBOC Switch Name: LIVONIA NW DS0 Switch Type: DMS100 LATA: Detroit MI (340) Tandem: ANARMIMN20T 🔧 Explore Switch(CLLI: LIVNMINWDS0))
734-421	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	LIVONIA	LIVNMIMNRP0	00/00/0000	Prefix Type: RBOC Switch Name: LIVONIA Switch Type: N/A LATA: Detroit MI (340) Tandem: N/A 🔧 Explore Switch(CLLI: LIVNMIMNRP0))
734-422	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	LIVONIA	LIVNMIMNRP0	00/00/0000	Prefix Type: RBOC Switch Name: LIVONIA Switch Type: N/A LATA: Detroit MI (340) Tandem: N/A 🔧 Explore Switch(CLLI: LIVNMIMNRP0))
734-424	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	DEXTER	DXTRMIDXDS0	00/00/0000	Prefix Type: RBOC Switch Name: DEXTER DS0 Switch Type: EWSD LATA: Detroit MI (340) Tandem: ANARMIMN20T 🔧 Explore Switch(CLLI: DXTRMIDXDS0))
734-424 is split into 1,000-number blocks - detail below
734-424-0XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	DEXTER	DXTRMIDXDS0	N/A	Prefix Type: RBOC Switch Name: DEXTER DS0 Switch Type: EWSD LATA: Detroit MI (340) Tandem: ANARMIMN20T 🔧 Explore Switch(CLLI: DXTRMIDXDS0))
734-424-1XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	DEXTER	DXTRMIDXDS0	N/A	Prefix Type: RBOC Switch Name: DEXTER DS0 Switch Type: EWSD LATA: Detroit MI (340) Tandem: ANARMIMN20T 🔧 Explore Switch(CLLI: DXTRMIDXDS0))
734-424-2XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	DEXTER	DXTRMIDXDS0	N/A	Prefix Type: RBOC Switch Name: DEXTER DS0 Switch Type: EWSD LATA: Detroit MI (340) Tandem: ANARMIMN20T 🔧 Explore Switch(CLLI: DXTRMIDXDS0))
734-424-3XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	DEXTER	DXTRMIDXDS0	N/A	Prefix Type: RBOC Switch Name: DEXTER DS0 Switch Type: EWSD LATA: Detroit MI (340) Tandem: ANARMIMN20T 🔧 Explore Switch(CLLI: DXTRMIDXDS0))
734-424-4XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	DEXTER	DXTRMIDXDS0	N/A	Prefix Type: RBOC Switch Name: DEXTER DS0 Switch Type: EWSD LATA: Detroit MI (340) Tandem: ANARMIMN20T 🔧 Explore Switch(CLLI: DXTRMIDXDS0))
734-424-9XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	DEXTER	DXTRMIDXDS0	N/A	Prefix Type: RBOC Switch Name: DEXTER DS0 Switch Type: EWSD LATA: Detroit MI (340) Tandem: ANARMIMN20T 🔧 Explore Switch(CLLI: DXTRMIDXDS0))
734-425	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	LIVONIA	LIVNMIMNRP0	00/00/0000	Prefix Type: RBOC Switch Name: LIVONIA Switch Type: N/A LATA: Detroit MI (340) Tandem: N/A 🔧 Explore Switch(CLLI: LIVNMIMNRP0))
734-426	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	DEXTER	DXTRMIDXDS0	00/00/0000	Prefix Type: RBOC Switch Name: DEXTER DS0 Switch Type: EWSD LATA: Detroit MI (340) Tandem: ANARMIMN20T 🔧 Explore Switch(CLLI: DXTRMIDXDS0))
734-427	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	LIVONIA	LIVNMIMNRP0	00/00/0000	Prefix Type: RBOC Switch Name: LIVONIA Switch Type: N/A LATA: Detroit MI (340) Tandem: N/A 🔧 Explore Switch(CLLI: LIVNMIMNRP0))
734-428	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	MANCHESTER	MNCHMIMNRSA	00/00/0000	Prefix Type: RBOC Switch Name: MANCHESTER Switch Type: N/A LATA: Detroit MI (340) Tandem: ANARMIMN20T 🔧 Explore Switch(CLLI: MNCHMIMNRSA))
734-428 is split into 1,000-number blocks - detail below
734-428-0XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	MANCHESTER	MNCHMIMNRSA	N/A	Prefix Type: RBOC Switch Name: MANCHESTER Switch Type: N/A LATA: Detroit MI (340) Tandem: ANARMIMN20T 🔧 Explore Switch(CLLI: MNCHMIMNRSA))
734-428-1XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	MANCHESTER	MNCHMIMNRSA	N/A	Prefix Type: RBOC Switch Name: MANCHESTER Switch Type: N/A LATA: Detroit MI (340) Tandem: ANARMIMN20T 🔧 Explore Switch(CLLI: MNCHMIMNRSA))
734-428-2XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	MANCHESTER	MNCHMIMNRSA	N/A	Prefix Type: RBOC Switch Name: MANCHESTER Switch Type: N/A LATA: Detroit MI (340) Tandem: ANARMIMN20T 🔧 Explore Switch(CLLI: MNCHMIMNRSA))
734-428-4XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	MANCHESTER	MNCHMIMNRSA	N/A	Prefix Type: RBOC Switch Name: MANCHESTER Switch Type: N/A LATA: Detroit MI (340) Tandem: ANARMIMN20T 🔧 Explore Switch(CLLI: MNCHMIMNRSA))
734-428-5XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	MANCHESTER	MNCHMIMNRSA	N/A	Prefix Type: RBOC Switch Name: MANCHESTER Switch Type: N/A LATA: Detroit MI (340) Tandem: ANARMIMN20T 🔧 Explore Switch(CLLI: MNCHMIMNRSA))
734-428-7XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	MANCHESTER	MNCHMIMNRSA	N/A	Prefix Type: RBOC Switch Name: MANCHESTER Switch Type: N/A LATA: Detroit MI (340) Tandem: ANARMIMN20T 🔧 Explore Switch(CLLI: MNCHMIMNRSA))
734-428-8XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	MANCHESTER	MNCHMIMNRSA	N/A	Prefix Type: RBOC Switch Name: MANCHESTER Switch Type: N/A LATA: Detroit MI (340) Tandem: ANARMIMN20T 🔧 Explore Switch(CLLI: MNCHMIMNRSA))
734-428-9XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	MANCHESTER	MNCHMIMNRSA	N/A	Prefix Type: RBOC Switch Name: MANCHESTER Switch Type: N/A LATA: Detroit MI (340) Tandem: ANARMIMN20T 🔧 Explore Switch(CLLI: MNCHMIMNRSA))
734-432	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	LIVONIA	LIVNMINWDS0	00/00/0000	Prefix Type: RBOC Switch Name: LIVONIA NW DS0 Switch Type: DMS100 LATA: Detroit MI (340) Tandem: ANARMIMN20T 🔧 Explore Switch(CLLI: LIVNMINWDS0))
734-433	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	CHELSEA	CHLSMIMNDS0	00/00/0000	Prefix Type: RBOC Switch Name: CHELSEA Switch Type: DMS10 LATA: Detroit MI (340) Tandem: ANARMIMN20T 🔧 Explore Switch(CLLI: CHLSMIMNDS0))
734-433 is split into 1,000-number blocks - detail below
734-433-0XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	CHELSEA	CHLSMIMNDS0	N/A	Prefix Type: RBOC Switch Name: CHELSEA Switch Type: DMS10 LATA: Detroit MI (340) Tandem: ANARMIMN20T 🔧 Explore Switch(CLLI: CHLSMIMNDS0))
734-433-1XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	CHELSEA	CHLSMIMNDS0	N/A	Prefix Type: RBOC Switch Name: CHELSEA Switch Type: DMS10 LATA: Detroit MI (340) Tandem: ANARMIMN20T 🔧 Explore Switch(CLLI: CHLSMIMNDS0))
734-433-2XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	CHELSEA	CHLSMIMNDS0	N/A	Prefix Type: RBOC Switch Name: CHELSEA Switch Type: DMS10 LATA: Detroit MI (340) Tandem: ANARMIMN20T 🔧 Explore Switch(CLLI: CHLSMIMNDS0))
734-433-3XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	CHELSEA	CHLSMIMNDS0	N/A	Prefix Type: RBOC Switch Name: CHELSEA Switch Type: DMS10 LATA: Detroit MI (340) Tandem: ANARMIMN20T 🔧 Explore Switch(CLLI: CHLSMIMNDS0))
734-433-4XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	CHELSEA	CHLSMIMNDS0	N/A	Prefix Type: RBOC Switch Name: CHELSEA Switch Type: DMS10 LATA: Detroit MI (340) Tandem: ANARMIMN20T 🔧 Explore Switch(CLLI: CHLSMIMNDS0))
734-433-9XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	CHELSEA	CHLSMIMNDS0	N/A	Prefix Type: RBOC Switch Name: CHELSEA Switch Type: DMS10 LATA: Detroit MI (340) Tandem: ANARMIMN20T 🔧 Explore Switch(CLLI: CHLSMIMNDS0))
734-434	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	YPSILANTI	ANARMISEDS0	00/00/0000	Prefix Type: RBOC Switch Name: ANN ARBOR SE Switch Type: DMS100 LATA: Detroit MI (340) Tandem: ANARMIMN20T 🔧 Explore Switch(CLLI: ANARMISEDS0))
734-439	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	MILAN	MILNMIMNRSE	00/00/0000	Prefix Type: RBOC Switch Name: MILAN RSE Switch Type: N/A LATA: Detroit MI (340) Tandem: ANARMIMN20T 🔧 Explore Switch(CLLI: MILNMIMNRSE))
734-439 is split into 1,000-number blocks - detail below
734-439-0XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	MILAN	MILNMIMNRSE	N/A	Prefix Type: RBOC Switch Name: MILAN RSE Switch Type: N/A LATA: Detroit MI (340) Tandem: ANARMIMN20T 🔧 Explore Switch(CLLI: MILNMIMNRSE))
734-439-1XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	MILAN	MILNMIMNRSE	N/A	Prefix Type: RBOC Switch Name: MILAN RSE Switch Type: N/A LATA: Detroit MI (340) Tandem: ANARMIMN20T 🔧 Explore Switch(CLLI: MILNMIMNRSE))
734-439-2XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	MILAN	MILNMIMNRSE	N/A	Prefix Type: RBOC Switch Name: MILAN RSE Switch Type: N/A LATA: Detroit MI (340) Tandem: ANARMIMN20T 🔧 Explore Switch(CLLI: MILNMIMNRSE))
734-439-3XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	MILAN	MILNMIMNRSE	N/A	Prefix Type: RBOC Switch Name: MILAN RSE Switch Type: N/A LATA: Detroit MI (340) Tandem: ANARMIMN20T 🔧 Explore Switch(CLLI: MILNMIMNRSE))
734-439-4XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	MILAN	MILNMIMNRSE	N/A	Prefix Type: RBOC Switch Name: MILAN RSE Switch Type: N/A LATA: Detroit MI (340) Tandem: ANARMIMN20T 🔧 Explore Switch(CLLI: MILNMIMNRSE))
734-439-5XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	MILAN	MILNMIMNRSE	N/A	Prefix Type: RBOC Switch Name: MILAN RSE Switch Type: N/A LATA: Detroit MI (340) Tandem: ANARMIMN20T 🔧 Explore Switch(CLLI: MILNMIMNRSE))
734-439-7XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	MILAN	MILNMIMNRSE	N/A	Prefix Type: RBOC Switch Name: MILAN RSE Switch Type: N/A LATA: Detroit MI (340) Tandem: ANARMIMN20T 🔧 Explore Switch(CLLI: MILNMIMNRSE))
734-439-8XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	MILAN	MILNMIMNRSE	N/A	Prefix Type: RBOC Switch Name: MILAN RSE Switch Type: N/A LATA: Detroit MI (340) Tandem: ANARMIMN20T 🔧 Explore Switch(CLLI: MILNMIMNRSE))
734-449	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	WHITMORELK	WRLKMIMNDS0	00/00/0000	Prefix Type: RBOC Switch Name: WHITMORE LAKE Switch Type: DMS10 LATA: Detroit MI (340) Tandem: ANARMIMN20T 🔧 Explore Switch(CLLI: WRLKMIMNDS0))
734-449 is split into 1,000-number blocks - detail below
734-449-0XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	WHITMORELK	WRLKMIMNDS0	N/A	Prefix Type: RBOC Switch Name: WHITMORE LAKE Switch Type: DMS10 LATA: Detroit MI (340) Tandem: ANARMIMN20T 🔧 Explore Switch(CLLI: WRLKMIMNDS0))
734-449-1XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	WHITMORELK	WRLKMIMNDS0	N/A	Prefix Type: RBOC Switch Name: WHITMORE LAKE Switch Type: DMS10 LATA: Detroit MI (340) Tandem: ANARMIMN20T 🔧 Explore Switch(CLLI: WRLKMIMNDS0))
734-449-2XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	WHITMORELK	WRLKMIMNDS0	N/A	Prefix Type: RBOC Switch Name: WHITMORE LAKE Switch Type: DMS10 LATA: Detroit MI (340) Tandem: ANARMIMN20T 🔧 Explore Switch(CLLI: WRLKMIMNDS0))
734-449-3XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	WHITMORELK	WRLKMIMNDS0	N/A	Prefix Type: RBOC Switch Name: WHITMORE LAKE Switch Type: DMS10 LATA: Detroit MI (340) Tandem: ANARMIMN20T 🔧 Explore Switch(CLLI: WRLKMIMNDS0))
734-449-4XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	WHITMORELK	WRLKMIMNDS0	N/A	Prefix Type: RBOC Switch Name: WHITMORE LAKE Switch Type: DMS10 LATA: Detroit MI (340) Tandem: ANARMIMN20T 🔧 Explore Switch(CLLI: WRLKMIMNDS0))
734-449-5XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	WHITMORELK	WRLKMIMNDS0	N/A	Prefix Type: RBOC Switch Name: WHITMORE LAKE Switch Type: DMS10 LATA: Detroit MI (340) Tandem: ANARMIMN20T 🔧 Explore Switch(CLLI: WRLKMIMNDS0))
734-449-7XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	WHITMORELK	WRLKMIMNDS0	N/A	Prefix Type: RBOC Switch Name: WHITMORE LAKE Switch Type: DMS10 LATA: Detroit MI (340) Tandem: ANARMIMN20T 🔧 Explore Switch(CLLI: WRLKMIMNDS0))
734-449-8XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	WHITMORELK	WRLKMIMNDS0	N/A	Prefix Type: RBOC Switch Name: WHITMORE LAKE Switch Type: DMS10 LATA: Detroit MI (340) Tandem: ANARMIMN20T 🔧 Explore Switch(CLLI: WRLKMIMNDS0))
734-449-9XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	WHITMORELK	WRLKMIMNDS0	N/A	Prefix Type: RBOC Switch Name: WHITMORE LAKE Switch Type: DMS10 LATA: Detroit MI (340) Tandem: ANARMIMN20T 🔧 Explore Switch(CLLI: WRLKMIMNDS0))
734-451	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	PLYMOUTH	PLMOMIMNDS0	00/00/0000	Prefix Type: RBOC Switch Name: PLYMOUTH DS0 Switch Type: DMS100 LATA: Detroit MI (340) Tandem: ANARMIMN20T 🔧 Explore Switch(CLLI: PLMOMIMNDS0))
734-453	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	PLYMOUTH	PLMOMIMNDS0	00/00/0000	Prefix Type: RBOC Switch Name: PLYMOUTH DS0 Switch Type: DMS100 LATA: Detroit MI (340) Tandem: ANARMIMN20T 🔧 Explore Switch(CLLI: PLMOMIMNDS0))
734-454	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	PLYMOUTH	PLMOMIMNDS0	00/00/0000	Prefix Type: RBOC Switch Name: PLYMOUTH DS0 Switch Type: DMS100 LATA: Detroit MI (340) Tandem: ANARMIMN20T 🔧 Explore Switch(CLLI: PLMOMIMNDS0))
734-455	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	PLYMOUTH	PLMOMIMNDS0	00/00/0000	Prefix Type: RBOC Switch Name: PLYMOUTH DS0 Switch Type: DMS100 LATA: Detroit MI (340) Tandem: ANARMIMN20T 🔧 Explore Switch(CLLI: PLMOMIMNDS0))
734-457	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	MONROE	MONRMIMNDS0	00/00/0000	Prefix Type: RBOC Switch Name: MONROE Switch Type: DMS100 LATA: Detroit MI (340) Tandem: WAYNMIMN20T 🔧 Explore Switch(CLLI: MONRMIMNDS0))
734-458	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	LIVONIA	LIVNMIMNRP0	00/00/0000	Prefix Type: RBOC Switch Name: LIVONIA Switch Type: N/A LATA: Detroit MI (340) Tandem: N/A 🔧 Explore Switch(CLLI: LIVNMIMNRP0))
734-459	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	PLYMOUTH	PLMOMIMNDS0	00/00/0000	Prefix Type: RBOC Switch Name: PLYMOUTH DS0 Switch Type: DMS100 LATA: Detroit MI (340) Tandem: ANARMIMN20T 🔧 Explore Switch(CLLI: PLMOMIMNDS0))
734-461	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	WILLIS	WILSMIWLRS0	00/00/0000	Prefix Type: RBOC Switch Name: WILLIS Switch Type: N/A LATA: Detroit MI (340) Tandem: ANARMIMN20T 🔧 Explore Switch(CLLI: WILSMIWLRS0))
734-461 is split into 1,000-number blocks - detail below
734-461-0XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	WILLIS	WILSMIWLRS0	N/A	Prefix Type: RBOC Switch Name: WILLIS Switch Type: N/A LATA: Detroit MI (340) Tandem: ANARMIMN20T 🔧 Explore Switch(CLLI: WILSMIWLRS0))
734-461-1XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	WILLIS	WILSMIWLRS0	N/A	Prefix Type: RBOC Switch Name: WILLIS Switch Type: N/A LATA: Detroit MI (340) Tandem: ANARMIMN20T 🔧 Explore Switch(CLLI: WILSMIWLRS0))
734-461-2XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	WILLIS	WILSMIWLRS0	N/A	Prefix Type: RBOC Switch Name: WILLIS Switch Type: N/A LATA: Detroit MI (340) Tandem: ANARMIMN20T 🔧 Explore Switch(CLLI: WILSMIWLRS0))
734-461-6XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	WILLIS	WILSMIWLRS0	N/A	Prefix Type: RBOC Switch Name: WILLIS Switch Type: N/A LATA: Detroit MI (340) Tandem: ANARMIMN20T 🔧 Explore Switch(CLLI: WILSMIWLRS0))
734-461-9XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	WILLIS	WILSMIWLRS0	N/A	Prefix Type: RBOC Switch Name: WILLIS Switch Type: N/A LATA: Detroit MI (340) Tandem: ANARMIMN20T 🔧 Explore Switch(CLLI: WILSMIWLRS0))
734-462	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	LIVONIA	LIVNMINWDS0	00/00/0000	Prefix Type: RBOC Switch Name: LIVONIA NW DS0 Switch Type: DMS100 LATA: Detroit MI (340) Tandem: ANARMIMN20T 🔧 Explore Switch(CLLI: LIVNMINWDS0))
734-464	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	LIVONIA	LIVNMINWDS0	00/00/0000	Prefix Type: RBOC Switch Name: LIVONIA NW DS0 Switch Type: DMS100 LATA: Detroit MI (340) Tandem: ANARMIMN20T 🔧 Explore Switch(CLLI: LIVNMINWDS0))
734-466	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	LIVONIA	LIVNMIMNRP0	00/00/0000	Prefix Type: RBOC Switch Name: LIVONIA Switch Type: N/A LATA: Detroit MI (340) Tandem: N/A 🔧 Explore Switch(CLLI: LIVNMIMNRP0))
734-466 is split into 1,000-number blocks - detail below
734-466-0XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	LIVONIA	LIVNMIMNRP0	N/A	Prefix Type: RBOC Switch Name: LIVONIA Switch Type: N/A LATA: Detroit MI (340) Tandem: N/A 🔧 Explore Switch(CLLI: LIVNMIMNRP0))
734-466-1XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	LIVONIA	LIVNMIMNRP0	N/A	Prefix Type: RBOC Switch Name: LIVONIA Switch Type: N/A LATA: Detroit MI (340) Tandem: N/A 🔧 Explore Switch(CLLI: LIVNMIMNRP0))
734-466-2XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	LIVONIA	LIVNMIMNRP0	N/A	Prefix Type: RBOC Switch Name: LIVONIA Switch Type: N/A LATA: Detroit MI (340) Tandem: N/A 🔧 Explore Switch(CLLI: LIVNMIMNRP0))
734-466-3XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	LIVONIA	LIVNMIMNRP0	N/A	Prefix Type: RBOC Switch Name: LIVONIA Switch Type: N/A LATA: Detroit MI (340) Tandem: N/A 🔧 Explore Switch(CLLI: LIVNMIMNRP0))
734-466-4XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	LIVONIA	LIVNMIMNRP0	N/A	Prefix Type: RBOC Switch Name: LIVONIA Switch Type: N/A LATA: Detroit MI (340) Tandem: N/A 🔧 Explore Switch(CLLI: LIVNMIMNRP0))
734-466-6XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	LIVONIA	LIVNMIMNRP0	N/A	Prefix Type: RBOC Switch Name: LIVONIA Switch Type: N/A LATA: Detroit MI (340) Tandem: N/A 🔧 Explore Switch(CLLI: LIVNMIMNRP0))
734-466-7XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	LIVONIA	LIVNMIMNRP0	N/A	Prefix Type: RBOC Switch Name: LIVONIA Switch Type: N/A LATA: Detroit MI (340) Tandem: N/A 🔧 Explore Switch(CLLI: LIVNMIMNRP0))
734-466-8XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	LIVONIA	LIVNMIMNRP0	N/A	Prefix Type: RBOC Switch Name: LIVONIA Switch Type: N/A LATA: Detroit MI (340) Tandem: N/A 🔧 Explore Switch(CLLI: LIVNMIMNRP0))
734-466-9XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	LIVONIA	LIVNMIMNRP0	N/A	Prefix Type: RBOC Switch Name: LIVONIA Switch Type: N/A LATA: Detroit MI (340) Tandem: N/A 🔧 Explore Switch(CLLI: LIVNMIMNRP0))
734-467	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	WAYNE	WAYNMIMNDS0	00/00/0000	Prefix Type: RBOC Switch Name: WAYNE DS0 Switch Type: EWSD LATA: Detroit MI (340) Tandem: WAYNMIMN20T 🔧 Explore Switch(CLLI: WAYNMIMNDS0))
734-475	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	CHELSEA	CHLSMIMNDS0	00/00/0000	Prefix Type: RBOC Switch Name: CHELSEA Switch Type: DMS10 LATA: Detroit MI (340) Tandem: ANARMIMN20T 🔧 Explore Switch(CLLI: CHLSMIMNDS0))
734-477	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	ANN ARBOR	ANARMISEDS0	00/00/0000	Prefix Type: RBOC Switch Name: ANN ARBOR SE Switch Type: DMS100 LATA: Detroit MI (340) Tandem: ANARMIMN20T 🔧 Explore Switch(CLLI: ANARMISEDS0))
734-479	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	WYANDOTTE	TRENMIMNDS0	00/00/0000	Prefix Type: RBOC Switch Name: TRENTON DS0 Switch Type: EWSD LATA: Detroit MI (340) Tandem: WAYNMIMN20T 🔧 Explore Switch(CLLI: TRENMIMNDS0))
734-479 is split into 1,000-number blocks - detail below
734-479-0XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	WYANDOTTE	TRENMIMNDS0	N/A	Prefix Type: RBOC Switch Name: TRENTON DS0 Switch Type: EWSD LATA: Detroit MI (340) Tandem: WAYNMIMN20T 🔧 Explore Switch(CLLI: TRENMIMNDS0))
734-479-1XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	WYANDOTTE	TRENMIMNDS0	N/A	Prefix Type: RBOC Switch Name: TRENTON DS0 Switch Type: EWSD LATA: Detroit MI (340) Tandem: WAYNMIMN20T 🔧 Explore Switch(CLLI: TRENMIMNDS0))
734-479-2XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	WYANDOTTE	TRENMIMNDS0	N/A	Prefix Type: RBOC Switch Name: TRENTON DS0 Switch Type: EWSD LATA: Detroit MI (340) Tandem: WAYNMIMN20T 🔧 Explore Switch(CLLI: TRENMIMNDS0))
734-479-3XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	WYANDOTTE	TRENMIMNDS0	N/A	Prefix Type: RBOC Switch Name: TRENTON DS0 Switch Type: EWSD LATA: Detroit MI (340) Tandem: WAYNMIMN20T 🔧 Explore Switch(CLLI: TRENMIMNDS0))
734-479-4XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	WYANDOTTE	TRENMIMNDS0	N/A	Prefix Type: RBOC Switch Name: TRENTON DS0 Switch Type: EWSD LATA: Detroit MI (340) Tandem: WAYNMIMN20T 🔧 Explore Switch(CLLI: TRENMIMNDS0))
734-479-5XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	WYANDOTTE	TRENMIMNDS0	N/A	Prefix Type: RBOC Switch Name: TRENTON DS0 Switch Type: EWSD LATA: Detroit MI (340) Tandem: WAYNMIMN20T 🔧 Explore Switch(CLLI: TRENMIMNDS0))
734-479-6XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	WYANDOTTE	TRENMIMNDS0	N/A	Prefix Type: RBOC Switch Name: TRENTON DS0 Switch Type: EWSD LATA: Detroit MI (340) Tandem: WAYNMIMN20T 🔧 Explore Switch(CLLI: TRENMIMNDS0))
734-479-7XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	WYANDOTTE	TRENMIMNDS0	N/A	Prefix Type: RBOC Switch Name: TRENTON DS0 Switch Type: EWSD LATA: Detroit MI (340) Tandem: WAYNMIMN20T 🔧 Explore Switch(CLLI: TRENMIMNDS0))
734-479-8XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	WYANDOTTE	TRENMIMNDS0	N/A	Prefix Type: RBOC Switch Name: TRENTON DS0 Switch Type: EWSD LATA: Detroit MI (340) Tandem: WAYNMIMN20T 🔧 Explore Switch(CLLI: TRENMIMNDS0))
734-480	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	YPSILANTI	YPSLMIMNDS0	00/00/0000	Prefix Type: RBOC Switch Name: YPSILANTI Switch Type: DMS100 LATA: Detroit MI (340) Tandem: ANARMIMN20T 🔧 Explore Switch(CLLI: YPSLMIMNDS0))
734-480 is split into 1,000-number blocks - detail below
734-480-0XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	YPSILANTI	YPSLMIMNDS0	N/A	Prefix Type: RBOC Switch Name: YPSILANTI Switch Type: DMS100 LATA: Detroit MI (340) Tandem: ANARMIMN20T 🔧 Explore Switch(CLLI: YPSLMIMNDS0))
734-480-1XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	YPSILANTI	YPSLMIMNDS0	N/A	Prefix Type: RBOC Switch Name: YPSILANTI Switch Type: DMS100 LATA: Detroit MI (340) Tandem: ANARMIMN20T 🔧 Explore Switch(CLLI: YPSLMIMNDS0))
734-480-2XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	YPSILANTI	YPSLMIMNDS0	N/A	Prefix Type: RBOC Switch Name: YPSILANTI Switch Type: DMS100 LATA: Detroit MI (340) Tandem: ANARMIMN20T 🔧 Explore Switch(CLLI: YPSLMIMNDS0))
734-480-3XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	YPSILANTI	YPSLMIMNDS0	N/A	Prefix Type: RBOC Switch Name: YPSILANTI Switch Type: DMS100 LATA: Detroit MI (340) Tandem: ANARMIMN20T 🔧 Explore Switch(CLLI: YPSLMIMNDS0))
734-480-4XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	YPSILANTI	YPSLMIMNDS0	N/A	Prefix Type: RBOC Switch Name: YPSILANTI Switch Type: DMS100 LATA: Detroit MI (340) Tandem: ANARMIMN20T 🔧 Explore Switch(CLLI: YPSLMIMNDS0))
734-480-5XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	YPSILANTI	YPSLMIMNDS0	N/A	Prefix Type: RBOC Switch Name: YPSILANTI Switch Type: DMS100 LATA: Detroit MI (340) Tandem: ANARMIMN20T 🔧 Explore Switch(CLLI: YPSLMIMNDS0))
734-480-6XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	YPSILANTI	YPSLMIMNDS0	N/A	Prefix Type: RBOC Switch Name: YPSILANTI Switch Type: DMS100 LATA: Detroit MI (340) Tandem: ANARMIMN20T 🔧 Explore Switch(CLLI: YPSLMIMNDS0))
734-480-9XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	YPSILANTI	YPSLMIMNDS0	N/A	Prefix Type: RBOC Switch Name: YPSILANTI Switch Type: DMS100 LATA: Detroit MI (340) Tandem: ANARMIMN20T 🔧 Explore Switch(CLLI: YPSLMIMNDS0))
734-481	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	YPSILANTI	YPSLMIMNDS0	00/00/0000	Prefix Type: RBOC Switch Name: YPSILANTI Switch Type: DMS100 LATA: Detroit MI (340) Tandem: ANARMIMN20T 🔧 Explore Switch(CLLI: YPSLMIMNDS0))
734-482	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	YPSILANTI	YPSLMIMNDS0	00/00/0000	Prefix Type: RBOC Switch Name: YPSILANTI Switch Type: DMS100 LATA: Detroit MI (340) Tandem: ANARMIMN20T 🔧 Explore Switch(CLLI: YPSLMIMNDS0))
734-483	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	YPSILANTI	YPSLMIMNDS0	00/00/0000	Prefix Type: RBOC Switch Name: YPSILANTI Switch Type: DMS100 LATA: Detroit MI (340) Tandem: ANARMIMN20T 🔧 Explore Switch(CLLI: YPSLMIMNDS0))
734-484	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	YPSILANTI	YPSLMIMNDS0	00/00/0000	Prefix Type: RBOC Switch Name: YPSILANTI Switch Type: DMS100 LATA: Detroit MI (340) Tandem: ANARMIMN20T 🔧 Explore Switch(CLLI: YPSLMIMNDS0))
734-485	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	YPSILANTI	YPSLMIMNDS0	00/00/0000	Prefix Type: RBOC Switch Name: YPSILANTI Switch Type: DMS100 LATA: Detroit MI (340) Tandem: ANARMIMN20T 🔧 Explore Switch(CLLI: YPSLMIMNDS0))
734-486	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	WYANDOTTE	TRENMIMNDS0	00/00/0000	Prefix Type: RBOC Switch Name: TRENTON DS0 Switch Type: EWSD LATA: Detroit MI (340) Tandem: WAYNMIMN20T 🔧 Explore Switch(CLLI: TRENMIMNDS0))
734-486 is split into 1,000-number blocks - detail below
734-486-4XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	WYANDOTTE	TRENMIMNDS0	N/A	Prefix Type: RBOC Switch Name: TRENTON DS0 Switch Type: EWSD LATA: Detroit MI (340) Tandem: WAYNMIMN20T 🔧 Explore Switch(CLLI: TRENMIMNDS0))
734-487	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	YPSILANTI	YPSLMIMNDS0	00/00/0000	Prefix Type: RBOC Switch Name: YPSILANTI Switch Type: DMS100 LATA: Detroit MI (340) Tandem: ANARMIMN20T 🔧 Explore Switch(CLLI: YPSLMIMNDS0))
734-495	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	YPSILANTI	WAYNMINWDS0	00/00/0000	Prefix Type: RBOC Switch Name: WAYNE NW Switch Type: EWSD LATA: Detroit MI (340) Tandem: ANARMIMN20T 🔧 Explore Switch(CLLI: WAYNMINWDS0))
734-513	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	LIVONIA	LIVNMIMNRP0	00/00/0000	Prefix Type: RBOC Switch Name: LIVONIA Switch Type: N/A LATA: Detroit MI (340) Tandem: N/A 🔧 Explore Switch(CLLI: LIVNMIMNRP0))
734-522	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	LIVONIA	LIVNMIMNRP0	00/00/0000	Prefix Type: RBOC Switch Name: LIVONIA Switch Type: N/A LATA: Detroit MI (340) Tandem: N/A 🔧 Explore Switch(CLLI: LIVNMIMNRP0))
734-523	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	LIVONIA	LIVNMIMNRP0	00/00/0000	Prefix Type: RBOC Switch Name: LIVONIA Switch Type: N/A LATA: Detroit MI (340) Tandem: N/A 🔧 Explore Switch(CLLI: LIVNMIMNRP0))
734-524	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	LIVONIA	LIVNMIMNRP0	00/00/0000	Prefix Type: RBOC Switch Name: LIVONIA Switch Type: N/A LATA: Detroit MI (340) Tandem: N/A 🔧 Explore Switch(CLLI: LIVNMIMNRP0))
734-524 is split into 1,000-number blocks - detail below
734-524-0XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	LIVONIA	LIVNMIMNRP0	N/A	Prefix Type: RBOC Switch Name: LIVONIA Switch Type: N/A LATA: Detroit MI (340) Tandem: N/A 🔧 Explore Switch(CLLI: LIVNMIMNRP0))
734-524-1XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	LIVONIA	LIVNMIMNRP0	N/A	Prefix Type: RBOC Switch Name: LIVONIA Switch Type: N/A LATA: Detroit MI (340) Tandem: N/A 🔧 Explore Switch(CLLI: LIVNMIMNRP0))
734-524-2XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	LIVONIA	LIVNMIMNRP0	N/A	Prefix Type: RBOC Switch Name: LIVONIA Switch Type: N/A LATA: Detroit MI (340) Tandem: N/A 🔧 Explore Switch(CLLI: LIVNMIMNRP0))
734-524-3XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	LIVONIA	LIVNMIMNRP0	N/A	Prefix Type: RBOC Switch Name: LIVONIA Switch Type: N/A LATA: Detroit MI (340) Tandem: N/A 🔧 Explore Switch(CLLI: LIVNMIMNRP0))
734-524-5XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	LIVONIA	LIVNMIMNRP0	N/A	Prefix Type: RBOC Switch Name: LIVONIA Switch Type: N/A LATA: Detroit MI (340) Tandem: N/A 🔧 Explore Switch(CLLI: LIVNMIMNRP0))
734-524-6XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	LIVONIA	LIVNMIMNRP0	N/A	Prefix Type: RBOC Switch Name: LIVONIA Switch Type: N/A LATA: Detroit MI (340) Tandem: N/A 🔧 Explore Switch(CLLI: LIVNMIMNRP0))
734-524-7XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	LIVONIA	LIVNMIMNRP0	N/A	Prefix Type: RBOC Switch Name: LIVONIA Switch Type: N/A LATA: Detroit MI (340) Tandem: N/A 🔧 Explore Switch(CLLI: LIVNMIMNRP0))
734-524-8XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	LIVONIA	LIVNMIMNRP0	N/A	Prefix Type: RBOC Switch Name: LIVONIA Switch Type: N/A LATA: Detroit MI (340) Tandem: N/A 🔧 Explore Switch(CLLI: LIVNMIMNRP0))
734-524-9XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	LIVONIA	LIVNMIMNRP0	N/A	Prefix Type: RBOC Switch Name: LIVONIA Switch Type: N/A LATA: Detroit MI (340) Tandem: N/A 🔧 Explore Switch(CLLI: LIVNMIMNRP0))
734-525	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	LIVONIA	LIVNMIMNRP0	00/00/0000	Prefix Type: RBOC Switch Name: LIVONIA Switch Type: N/A LATA: Detroit MI (340) Tandem: N/A 🔧 Explore Switch(CLLI: LIVNMIMNRP0))
734-528	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	YPSILANTI	ANARMISEDS0	00/00/0000	Prefix Type: RBOC Switch Name: ANN ARBOR SE Switch Type: DMS100 LATA: Detroit MI (340) Tandem: ANARMIMN20T 🔧 Explore Switch(CLLI: ANARMISEDS0))
734-528 is split into 1,000-number blocks - detail below
734-528-0XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	YPSILANTI	ANARMISEDS0	N/A	Prefix Type: RBOC Switch Name: ANN ARBOR SE Switch Type: DMS100 LATA: Detroit MI (340) Tandem: ANARMIMN20T 🔧 Explore Switch(CLLI: ANARMISEDS0))
734-528-1XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	YPSILANTI	ANARMISEDS0	N/A	Prefix Type: RBOC Switch Name: ANN ARBOR SE Switch Type: DMS100 LATA: Detroit MI (340) Tandem: ANARMIMN20T 🔧 Explore Switch(CLLI: ANARMISEDS0))
734-528-2XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	YPSILANTI	ANARMISEDS0	N/A	Prefix Type: RBOC Switch Name: ANN ARBOR SE Switch Type: DMS100 LATA: Detroit MI (340) Tandem: ANARMIMN20T 🔧 Explore Switch(CLLI: ANARMISEDS0))
734-528-3XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	YPSILANTI	ANARMISEDS0	N/A	Prefix Type: RBOC Switch Name: ANN ARBOR SE Switch Type: DMS100 LATA: Detroit MI (340) Tandem: ANARMIMN20T 🔧 Explore Switch(CLLI: ANARMISEDS0))
734-528-4XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	YPSILANTI	ANARMISEDS0	N/A	Prefix Type: RBOC Switch Name: ANN ARBOR SE Switch Type: DMS100 LATA: Detroit MI (340) Tandem: ANARMIMN20T 🔧 Explore Switch(CLLI: ANARMISEDS0))
734-528-5XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	YPSILANTI	ANARMISEDS0	N/A	Prefix Type: RBOC Switch Name: ANN ARBOR SE Switch Type: DMS100 LATA: Detroit MI (340) Tandem: ANARMIMN20T 🔧 Explore Switch(CLLI: ANARMISEDS0))
734-528-6XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	YPSILANTI	ANARMISEDS0	N/A	Prefix Type: RBOC Switch Name: ANN ARBOR SE Switch Type: DMS100 LATA: Detroit MI (340) Tandem: ANARMIMN20T 🔧 Explore Switch(CLLI: ANARMISEDS0))
734-528-7XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	YPSILANTI	ANARMISEDS0	N/A	Prefix Type: RBOC Switch Name: ANN ARBOR SE Switch Type: DMS100 LATA: Detroit MI (340) Tandem: ANARMIMN20T 🔧 Explore Switch(CLLI: ANARMISEDS0))
734-528-9XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	YPSILANTI	ANARMISEDS0	N/A	Prefix Type: RBOC Switch Name: ANN ARBOR SE Switch Type: DMS100 LATA: Detroit MI (340) Tandem: ANARMIMN20T 🔧 Explore Switch(CLLI: ANARMISEDS0))
734-542	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	LIVONIA	LIVNMINWDS0	00/00/0000	Prefix Type: RBOC Switch Name: LIVONIA NW DS0 Switch Type: DMS100 LATA: Detroit MI (340) Tandem: ANARMIMN20T 🔧 Explore Switch(CLLI: LIVNMINWDS0))
734-544	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	YPSILANTI	YPSLMIMNDS0	00/00/0000	Prefix Type: RBOC Switch Name: YPSILANTI Switch Type: DMS100 LATA: Detroit MI (340) Tandem: ANARMIMN20T 🔧 Explore Switch(CLLI: YPSLMIMNDS0))
734-544 is split into 1,000-number blocks - detail below
734-544-0XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	YPSILANTI	YPSLMIMNDS0	N/A	Prefix Type: RBOC Switch Name: YPSILANTI Switch Type: DMS100 LATA: Detroit MI (340) Tandem: ANARMIMN20T 🔧 Explore Switch(CLLI: YPSLMIMNDS0))
734-544-2XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	YPSILANTI	YPSLMIMNDS0	N/A	Prefix Type: RBOC Switch Name: YPSILANTI Switch Type: DMS100 LATA: Detroit MI (340) Tandem: ANARMIMN20T 🔧 Explore Switch(CLLI: YPSLMIMNDS0))
734-544-3XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	YPSILANTI	YPSLMIMNDS0	N/A	Prefix Type: RBOC Switch Name: YPSILANTI Switch Type: DMS100 LATA: Detroit MI (340) Tandem: ANARMIMN20T 🔧 Explore Switch(CLLI: YPSLMIMNDS0))
734-544-4XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	YPSILANTI	YPSLMIMNDS0	N/A	Prefix Type: RBOC Switch Name: YPSILANTI Switch Type: DMS100 LATA: Detroit MI (340) Tandem: ANARMIMN20T 🔧 Explore Switch(CLLI: YPSLMIMNDS0))
734-544-6XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	YPSILANTI	YPSLMIMNDS0	N/A	Prefix Type: RBOC Switch Name: YPSILANTI Switch Type: DMS100 LATA: Detroit MI (340) Tandem: ANARMIMN20T 🔧 Explore Switch(CLLI: YPSLMIMNDS0))
734-544-7XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	YPSILANTI	YPSLMIMNDS0	N/A	Prefix Type: RBOC Switch Name: YPSILANTI Switch Type: DMS100 LATA: Detroit MI (340) Tandem: ANARMIMN20T 🔧 Explore Switch(CLLI: YPSLMIMNDS0))
734-544-9XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	YPSILANTI	YPSLMIMNDS0	N/A	Prefix Type: RBOC Switch Name: YPSILANTI Switch Type: DMS100 LATA: Detroit MI (340) Tandem: ANARMIMN20T 🔧 Explore Switch(CLLI: YPSLMIMNDS0))
734-547	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	YPSILANTI	YPSLMIMNDS0	00/00/0000	Prefix Type: RBOC Switch Name: YPSILANTI Switch Type: DMS100 LATA: Detroit MI (340) Tandem: ANARMIMN20T 🔧 Explore Switch(CLLI: YPSLMIMNDS0))
734-547 is split into 1,000-number blocks - detail below
734-547-0XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	YPSILANTI	YPSLMIMNDS0	N/A	Prefix Type: RBOC Switch Name: YPSILANTI Switch Type: DMS100 LATA: Detroit MI (340) Tandem: ANARMIMN20T 🔧 Explore Switch(CLLI: YPSLMIMNDS0))
734-547-1XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	YPSILANTI	YPSLMIMNDS0	N/A	Prefix Type: RBOC Switch Name: YPSILANTI Switch Type: DMS100 LATA: Detroit MI (340) Tandem: ANARMIMN20T 🔧 Explore Switch(CLLI: YPSLMIMNDS0))
734-547-2XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	YPSILANTI	YPSLMIMNDS0	N/A	Prefix Type: RBOC Switch Name: YPSILANTI Switch Type: DMS100 LATA: Detroit MI (340) Tandem: ANARMIMN20T 🔧 Explore Switch(CLLI: YPSLMIMNDS0))
734-547-4XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	YPSILANTI	YPSLMIMNDS0	N/A	Prefix Type: RBOC Switch Name: YPSILANTI Switch Type: DMS100 LATA: Detroit MI (340) Tandem: ANARMIMN20T 🔧 Explore Switch(CLLI: YPSLMIMNDS0))
734-547-7XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	YPSILANTI	YPSLMIMNDS0	N/A	Prefix Type: RBOC Switch Name: YPSILANTI Switch Type: DMS100 LATA: Detroit MI (340) Tandem: ANARMIMN20T 🔧 Explore Switch(CLLI: YPSLMIMNDS0))
734-547-8XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	YPSILANTI	YPSLMIMNDS0	N/A	Prefix Type: RBOC Switch Name: YPSILANTI Switch Type: DMS100 LATA: Detroit MI (340) Tandem: ANARMIMN20T 🔧 Explore Switch(CLLI: YPSLMIMNDS0))
734-547-9XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	YPSILANTI	YPSLMIMNDS0	N/A	Prefix Type: RBOC Switch Name: YPSILANTI Switch Type: DMS100 LATA: Detroit MI (340) Tandem: ANARMIMN20T 🔧 Explore Switch(CLLI: YPSLMIMNDS0))
734-565	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	ANN ARBOR	ANARMIMNDS0	02/04/2002	Prefix Type: RBOC Switch Name: ANN ARBOR DS0 Switch Type: 5ESS LATA: Detroit MI (340) Tandem: ANARMIMN20T 🔧 Explore Switch(CLLI: ANARMIMNDS0))
734-572	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	YPSILANTI	ANARMISEDS0	00/00/0000	Prefix Type: RBOC Switch Name: ANN ARBOR SE Switch Type: DMS100 LATA: Detroit MI (340) Tandem: ANARMIMN20T 🔧 Explore Switch(CLLI: ANARMISEDS0))
734-572 is split into 1,000-number blocks - detail below
734-572-0XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	YPSILANTI	ANARMISEDS0	N/A	Prefix Type: RBOC Switch Name: ANN ARBOR SE Switch Type: DMS100 LATA: Detroit MI (340) Tandem: ANARMIMN20T 🔧 Explore Switch(CLLI: ANARMISEDS0))
734-572-1XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	YPSILANTI	ANARMISEDS0	N/A	Prefix Type: RBOC Switch Name: ANN ARBOR SE Switch Type: DMS100 LATA: Detroit MI (340) Tandem: ANARMIMN20T 🔧 Explore Switch(CLLI: ANARMISEDS0))
734-572-2XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	YPSILANTI	ANARMISEDS0	N/A	Prefix Type: RBOC Switch Name: ANN ARBOR SE Switch Type: DMS100 LATA: Detroit MI (340) Tandem: ANARMIMN20T 🔧 Explore Switch(CLLI: ANARMISEDS0))
734-572-3XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	YPSILANTI	ANARMISEDS0	N/A	Prefix Type: RBOC Switch Name: ANN ARBOR SE Switch Type: DMS100 LATA: Detroit MI (340) Tandem: ANARMIMN20T 🔧 Explore Switch(CLLI: ANARMISEDS0))
734-572-4XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	YPSILANTI	ANARMISEDS0	N/A	Prefix Type: RBOC Switch Name: ANN ARBOR SE Switch Type: DMS100 LATA: Detroit MI (340) Tandem: ANARMIMN20T 🔧 Explore Switch(CLLI: ANARMISEDS0))
734-572-5XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	YPSILANTI	ANARMISEDS0	N/A	Prefix Type: RBOC Switch Name: ANN ARBOR SE Switch Type: DMS100 LATA: Detroit MI (340) Tandem: ANARMIMN20T 🔧 Explore Switch(CLLI: ANARMISEDS0))
734-572-7XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	YPSILANTI	ANARMISEDS0	N/A	Prefix Type: RBOC Switch Name: ANN ARBOR SE Switch Type: DMS100 LATA: Detroit MI (340) Tandem: ANARMIMN20T 🔧 Explore Switch(CLLI: ANARMISEDS0))
734-572-8XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	YPSILANTI	ANARMISEDS0	N/A	Prefix Type: RBOC Switch Name: ANN ARBOR SE Switch Type: DMS100 LATA: Detroit MI (340) Tandem: ANARMIMN20T 🔧 Explore Switch(CLLI: ANARMISEDS0))
734-572-9XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	YPSILANTI	ANARMISEDS0	N/A	Prefix Type: RBOC Switch Name: ANN ARBOR SE Switch Type: DMS100 LATA: Detroit MI (340) Tandem: ANARMIMN20T 🔧 Explore Switch(CLLI: ANARMISEDS0))
734-582	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	PLYMOUTH	PLMOMIMNDS0	00/00/0000	Prefix Type: RBOC Switch Name: PLYMOUTH DS0 Switch Type: DMS100 LATA: Detroit MI (340) Tandem: ANARMIMN20T 🔧 Explore Switch(CLLI: PLMOMIMNDS0))
734-582 is split into 1,000-number blocks - detail below
734-582-0XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	PLYMOUTH	PLMOMIMNDS0	N/A	Prefix Type: RBOC Switch Name: PLYMOUTH DS0 Switch Type: DMS100 LATA: Detroit MI (340) Tandem: ANARMIMN20T 🔧 Explore Switch(CLLI: PLMOMIMNDS0))
734-582-1XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	PLYMOUTH	PLMOMIMNDS0	N/A	Prefix Type: RBOC Switch Name: PLYMOUTH DS0 Switch Type: DMS100 LATA: Detroit MI (340) Tandem: ANARMIMN20T 🔧 Explore Switch(CLLI: PLMOMIMNDS0))
734-582-2XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	PLYMOUTH	PLMOMIMNDS0	N/A	Prefix Type: RBOC Switch Name: PLYMOUTH DS0 Switch Type: DMS100 LATA: Detroit MI (340) Tandem: ANARMIMN20T 🔧 Explore Switch(CLLI: PLMOMIMNDS0))
734-582-5XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	PLYMOUTH	PLMOMIMNDS0	N/A	Prefix Type: RBOC Switch Name: PLYMOUTH DS0 Switch Type: DMS100 LATA: Detroit MI (340) Tandem: ANARMIMN20T 🔧 Explore Switch(CLLI: PLMOMIMNDS0))
734-582-6XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	PLYMOUTH	PLMOMIMNDS0	N/A	Prefix Type: RBOC Switch Name: PLYMOUTH DS0 Switch Type: DMS100 LATA: Detroit MI (340) Tandem: ANARMIMN20T 🔧 Explore Switch(CLLI: PLMOMIMNDS0))
734-582-7XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	PLYMOUTH	PLMOMIMNDS0	N/A	Prefix Type: RBOC Switch Name: PLYMOUTH DS0 Switch Type: DMS100 LATA: Detroit MI (340) Tandem: ANARMIMN20T 🔧 Explore Switch(CLLI: PLMOMIMNDS0))
734-582-8XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	PLYMOUTH	PLMOMIMNDS0	N/A	Prefix Type: RBOC Switch Name: PLYMOUTH DS0 Switch Type: DMS100 LATA: Detroit MI (340) Tandem: ANARMIMN20T 🔧 Explore Switch(CLLI: PLMOMIMNDS0))
734-582-9XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	PLYMOUTH	PLMOMIMNDS0	N/A	Prefix Type: RBOC Switch Name: PLYMOUTH DS0 Switch Type: DMS100 LATA: Detroit MI (340) Tandem: ANARMIMN20T 🔧 Explore Switch(CLLI: PLMOMIMNDS0))
734-591	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	LIVONIA	LIVNMINWDS0	00/00/0000	Prefix Type: RBOC Switch Name: LIVONIA NW DS0 Switch Type: DMS100 LATA: Detroit MI (340) Tandem: ANARMIMN20T 🔧 Explore Switch(CLLI: LIVNMINWDS0))
734-595	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	WAYNE	WAYNMIMNDS0	00/00/0000	Prefix Type: RBOC Switch Name: WAYNE DS0 Switch Type: EWSD LATA: Detroit MI (340) Tandem: WAYNMIMN20T 🔧 Explore Switch(CLLI: WAYNMIMNDS0))
734-601	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	LIVONIA	LIVNMINWDS0	10/30/2019	Prefix Type: RBOC Switch Name: LIVONIA NW DS0 Switch Type: DMS100 LATA: Detroit MI (340) Tandem: ANARMIMN20T 🔧 Explore Switch(CLLI: LIVNMINWDS0))
734-601 is split into 1,000-number blocks - detail below
734-601-5XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	LIVONIA	LIVNMINWDS0	10/31/2019	Prefix Type: RBOC Switch Name: LIVONIA NW DS0 Switch Type: DMS100 LATA: Detroit MI (340) Tandem: ANARMIMN20T 🔧 Explore Switch(CLLI: LIVNMINWDS0))
734-601-6XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	LIVONIA	LIVNMINWDS0	10/31/2019	Prefix Type: RBOC Switch Name: LIVONIA NW DS0 Switch Type: DMS100 LATA: Detroit MI (340) Tandem: ANARMIMN20T 🔧 Explore Switch(CLLI: LIVNMINWDS0))
734-601-7XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	LIVONIA	LIVNMINWDS0	10/31/2019	Prefix Type: RBOC Switch Name: LIVONIA NW DS0 Switch Type: DMS100 LATA: Detroit MI (340) Tandem: ANARMIMN20T 🔧 Explore Switch(CLLI: LIVNMINWDS0))
734-601-8XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	LIVONIA	LIVNMINWDS0	10/31/2019	Prefix Type: RBOC Switch Name: LIVONIA NW DS0 Switch Type: DMS100 LATA: Detroit MI (340) Tandem: ANARMIMN20T 🔧 Explore Switch(CLLI: LIVNMINWDS0))
734-601-9XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	LIVONIA	LIVNMINWDS0	10/31/2019	Prefix Type: RBOC Switch Name: LIVONIA NW DS0 Switch Type: DMS100 LATA: Detroit MI (340) Tandem: ANARMIMN20T 🔧 Explore Switch(CLLI: LIVNMINWDS0))
734-615	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	ANN ARBOR	ANARMIMNDS0	00/00/0000	Prefix Type: RBOC Switch Name: ANN ARBOR DS0 Switch Type: 5ESS LATA: Detroit MI (340) Tandem: ANARMIMN20T 🔧 Explore Switch(CLLI: ANARMIMNDS0))
734-619	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	ANN ARBOR	ANARMIMNDS0	02/01/2006	Prefix Type: RBOC Switch Name: ANN ARBOR DS0 Switch Type: 5ESS LATA: Detroit MI (340) Tandem: ANARMIMN20T 🔧 Explore Switch(CLLI: ANARMIMNDS0))
734-619 is split into 1,000-number blocks - detail below
734-619-1XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	ANN ARBOR	ANARMIMNDS0	N/A	Prefix Type: RBOC Switch Name: ANN ARBOR DS0 Switch Type: 5ESS LATA: Detroit MI (340) Tandem: ANARMIMN20T 🔧 Explore Switch(CLLI: ANARMIMNDS0))
734-619-3XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	ANN ARBOR	ANARMIMNDS0	11/13/2006	Prefix Type: RBOC Switch Name: ANN ARBOR DS0 Switch Type: 5ESS LATA: Detroit MI (340) Tandem: ANARMIMN20T 🔧 Explore Switch(CLLI: ANARMIMNDS0))
734-619-4XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	ANN ARBOR	ANARMIMNDS0	11/13/2006	Prefix Type: RBOC Switch Name: ANN ARBOR DS0 Switch Type: 5ESS LATA: Detroit MI (340) Tandem: ANARMIMN20T 🔧 Explore Switch(CLLI: ANARMIMNDS0))
734-619-5XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	ANN ARBOR	ANARMIMNDS0	01/22/2007	Prefix Type: RBOC Switch Name: ANN ARBOR DS0 Switch Type: 5ESS LATA: Detroit MI (340) Tandem: ANARMIMN20T 🔧 Explore Switch(CLLI: ANARMIMNDS0))
734-622	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	ANN ARBOR	ANARMIMNDS0	00/00/0000	Prefix Type: RBOC Switch Name: ANN ARBOR DS0 Switch Type: 5ESS LATA: Detroit MI (340) Tandem: ANARMIMN20T 🔧 Explore Switch(CLLI: ANARMIMNDS0))
734-623	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	ANN ARBOR	ANARMIMNDS0	00/00/0000	Prefix Type: RBOC Switch Name: ANN ARBOR DS0 Switch Type: 5ESS LATA: Detroit MI (340) Tandem: ANARMIMN20T 🔧 Explore Switch(CLLI: ANARMIMNDS0))
734-623 is split into 1,000-number blocks - detail below
734-623-1XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	ANN ARBOR	ANARMIMNDS0	N/A	Prefix Type: RBOC Switch Name: ANN ARBOR DS0 Switch Type: 5ESS LATA: Detroit MI (340) Tandem: ANARMIMN20T 🔧 Explore Switch(CLLI: ANARMIMNDS0))
734-623-2XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	ANN ARBOR	ANARMIMNDS0	N/A	Prefix Type: RBOC Switch Name: ANN ARBOR DS0 Switch Type: 5ESS LATA: Detroit MI (340) Tandem: ANARMIMN20T 🔧 Explore Switch(CLLI: ANARMIMNDS0))
734-623-4XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	ANN ARBOR	ANARMIMNDS0	N/A	Prefix Type: RBOC Switch Name: ANN ARBOR DS0 Switch Type: 5ESS LATA: Detroit MI (340) Tandem: ANARMIMN20T 🔧 Explore Switch(CLLI: ANARMIMNDS0))
734-623-5XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	ANN ARBOR	ANARMIMNDS0	N/A	Prefix Type: RBOC Switch Name: ANN ARBOR DS0 Switch Type: 5ESS LATA: Detroit MI (340) Tandem: ANARMIMN20T 🔧 Explore Switch(CLLI: ANARMIMNDS0))
734-623-6XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	ANN ARBOR	ANARMIMNDS0	N/A	Prefix Type: RBOC Switch Name: ANN ARBOR DS0 Switch Type: 5ESS LATA: Detroit MI (340) Tandem: ANARMIMN20T 🔧 Explore Switch(CLLI: ANARMIMNDS0))
734-623-7XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	ANN ARBOR	ANARMIMNDS0	N/A	Prefix Type: RBOC Switch Name: ANN ARBOR DS0 Switch Type: 5ESS LATA: Detroit MI (340) Tandem: ANARMIMN20T 🔧 Explore Switch(CLLI: ANARMIMNDS0))
734-623-8XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	ANN ARBOR	ANARMIMNDS0	N/A	Prefix Type: RBOC Switch Name: ANN ARBOR DS0 Switch Type: 5ESS LATA: Detroit MI (340) Tandem: ANARMIMN20T 🔧 Explore Switch(CLLI: ANARMIMNDS0))
734-632	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	LIVONIA	LIVNMINWDS0	00/00/0000	Prefix Type: RBOC Switch Name: LIVONIA NW DS0 Switch Type: DMS100 LATA: Detroit MI (340) Tandem: ANARMIMN20T 🔧 Explore Switch(CLLI: LIVNMINWDS0))
734-632 is split into 1,000-number blocks - detail below
734-632-0XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	LIVONIA	LIVNMINWDS0	N/A	Prefix Type: RBOC Switch Name: LIVONIA NW DS0 Switch Type: DMS100 LATA: Detroit MI (340) Tandem: ANARMIMN20T 🔧 Explore Switch(CLLI: LIVNMINWDS0))
734-632-1XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	LIVONIA	LIVNMINWDS0	N/A	Prefix Type: RBOC Switch Name: LIVONIA NW DS0 Switch Type: DMS100 LATA: Detroit MI (340) Tandem: ANARMIMN20T 🔧 Explore Switch(CLLI: LIVNMINWDS0))
734-632-2XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	LIVONIA	LIVNMINWDS0	N/A	Prefix Type: RBOC Switch Name: LIVONIA NW DS0 Switch Type: DMS100 LATA: Detroit MI (340) Tandem: ANARMIMN20T 🔧 Explore Switch(CLLI: LIVNMINWDS0))
734-632-3XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	LIVONIA	LIVNMINWDS0	N/A	Prefix Type: RBOC Switch Name: LIVONIA NW DS0 Switch Type: DMS100 LATA: Detroit MI (340) Tandem: ANARMIMN20T 🔧 Explore Switch(CLLI: LIVNMINWDS0))
734-632-4XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	LIVONIA	LIVNMINWDS0	N/A	Prefix Type: RBOC Switch Name: LIVONIA NW DS0 Switch Type: DMS100 LATA: Detroit MI (340) Tandem: ANARMIMN20T 🔧 Explore Switch(CLLI: LIVNMINWDS0))
734-632-5XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	LIVONIA	LIVNMINWDS0	N/A	Prefix Type: RBOC Switch Name: LIVONIA NW DS0 Switch Type: DMS100 LATA: Detroit MI (340) Tandem: ANARMIMN20T 🔧 Explore Switch(CLLI: LIVNMINWDS0))
734-632-6XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	LIVONIA	LIVNMINWDS0	N/A	Prefix Type: RBOC Switch Name: LIVONIA NW DS0 Switch Type: DMS100 LATA: Detroit MI (340) Tandem: ANARMIMN20T 🔧 Explore Switch(CLLI: LIVNMINWDS0))
734-632-7XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	LIVONIA	LIVNMINWDS0	N/A	Prefix Type: RBOC Switch Name: LIVONIA NW DS0 Switch Type: DMS100 LATA: Detroit MI (340) Tandem: ANARMIMN20T 🔧 Explore Switch(CLLI: LIVNMINWDS0))
734-632-8XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	LIVONIA	LIVNMINWDS0	N/A	Prefix Type: RBOC Switch Name: LIVONIA NW DS0 Switch Type: DMS100 LATA: Detroit MI (340) Tandem: ANARMIMN20T 🔧 Explore Switch(CLLI: LIVNMINWDS0))
734-641	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	WAYNE	WAYNMIMNDS0	00/00/0000	Prefix Type: RBOC Switch Name: WAYNE DS0 Switch Type: EWSD LATA: Detroit MI (340) Tandem: WAYNMIMN20T 🔧 Explore Switch(CLLI: WAYNMIMNDS0))
734-647	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	ANN ARBOR	ANARMIMNDS0	00/00/0000	Prefix Type: RBOC Switch Name: ANN ARBOR DS0 Switch Type: 5ESS LATA: Detroit MI (340) Tandem: ANARMIMN20T 🔧 Explore Switch(CLLI: ANARMIMNDS0))
734-654	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	CARLETON	CATNMICTRS0	00/00/0000	Prefix Type: RBOC Switch Name: CARLETON Switch Type: N/A LATA: Detroit MI (340) Tandem: WAYNMIMN20T 🔧 Explore Switch(CLLI: CATNMICTRS0))
734-654 is split into 1,000-number blocks - detail below
734-654-0XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	CARLETON	CATNMICTRS0	N/A	Prefix Type: RBOC Switch Name: CARLETON Switch Type: N/A LATA: Detroit MI (340) Tandem: WAYNMIMN20T 🔧 Explore Switch(CLLI: CATNMICTRS0))
734-654-1XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	CARLETON	CATNMICTRS0	N/A	Prefix Type: RBOC Switch Name: CARLETON Switch Type: N/A LATA: Detroit MI (340) Tandem: WAYNMIMN20T 🔧 Explore Switch(CLLI: CATNMICTRS0))
734-654-2XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	CARLETON	CATNMICTRS0	N/A	Prefix Type: RBOC Switch Name: CARLETON Switch Type: N/A LATA: Detroit MI (340) Tandem: WAYNMIMN20T 🔧 Explore Switch(CLLI: CATNMICTRS0))
734-654-3XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	CARLETON	CATNMICTRS0	N/A	Prefix Type: RBOC Switch Name: CARLETON Switch Type: N/A LATA: Detroit MI (340) Tandem: WAYNMIMN20T 🔧 Explore Switch(CLLI: CATNMICTRS0))
734-654-4XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	CARLETON	CATNMICTRS0	N/A	Prefix Type: RBOC Switch Name: CARLETON Switch Type: N/A LATA: Detroit MI (340) Tandem: WAYNMIMN20T 🔧 Explore Switch(CLLI: CATNMICTRS0))
734-654-6XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	CARLETON	CATNMICTRS0	N/A	Prefix Type: RBOC Switch Name: CARLETON Switch Type: N/A LATA: Detroit MI (340) Tandem: WAYNMIMN20T 🔧 Explore Switch(CLLI: CATNMICTRS0))
734-654-7XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	CARLETON	CATNMICTRS0	N/A	Prefix Type: RBOC Switch Name: CARLETON Switch Type: N/A LATA: Detroit MI (340) Tandem: WAYNMIMN20T 🔧 Explore Switch(CLLI: CATNMICTRS0))
734-654-8XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	CARLETON	CATNMICTRS0	N/A	Prefix Type: RBOC Switch Name: CARLETON Switch Type: N/A LATA: Detroit MI (340) Tandem: WAYNMIMN20T 🔧 Explore Switch(CLLI: CATNMICTRS0))
734-654-9XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	CARLETON	CATNMICTRS0	N/A	Prefix Type: RBOC Switch Name: CARLETON Switch Type: N/A LATA: Detroit MI (340) Tandem: WAYNMIMN20T 🔧 Explore Switch(CLLI: CATNMICTRS0))
734-655	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	LIVONIA	LIVNMINWDS0	00/00/0000	Prefix Type: RBOC Switch Name: LIVONIA NW DS0 Switch Type: DMS100 LATA: Detroit MI (340) Tandem: ANARMIMN20T 🔧 Explore Switch(CLLI: LIVNMINWDS0))
734-655 is split into 1,000-number blocks - detail below
734-655-1XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	LIVONIA	LIVNMINWDS0	N/A	Prefix Type: RBOC Switch Name: LIVONIA NW DS0 Switch Type: DMS100 LATA: Detroit MI (340) Tandem: ANARMIMN20T 🔧 Explore Switch(CLLI: LIVNMINWDS0))
734-655-2XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	LIVONIA	LIVNMINWDS0	N/A	Prefix Type: RBOC Switch Name: LIVONIA NW DS0 Switch Type: DMS100 LATA: Detroit MI (340) Tandem: ANARMIMN20T 🔧 Explore Switch(CLLI: LIVNMINWDS0))
734-655-3XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	LIVONIA	LIVNMINWDS0	N/A	Prefix Type: RBOC Switch Name: LIVONIA NW DS0 Switch Type: DMS100 LATA: Detroit MI (340) Tandem: ANARMIMN20T 🔧 Explore Switch(CLLI: LIVNMINWDS0))
734-655-4XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	LIVONIA	LIVNMINWDS0	N/A	Prefix Type: RBOC Switch Name: LIVONIA NW DS0 Switch Type: DMS100 LATA: Detroit MI (340) Tandem: ANARMIMN20T 🔧 Explore Switch(CLLI: LIVNMINWDS0))
734-655-5XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	LIVONIA	LIVNMINWDS0	N/A	Prefix Type: RBOC Switch Name: LIVONIA NW DS0 Switch Type: DMS100 LATA: Detroit MI (340) Tandem: ANARMIMN20T 🔧 Explore Switch(CLLI: LIVNMINWDS0))
734-655-8XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	LIVONIA	LIVNMINWDS0	N/A	Prefix Type: RBOC Switch Name: LIVONIA NW DS0 Switch Type: DMS100 LATA: Detroit MI (340) Tandem: ANARMIMN20T 🔧 Explore Switch(CLLI: LIVNMINWDS0))
734-662	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	ANN ARBOR	ANARMIMNDS0	00/00/0000	Prefix Type: RBOC Switch Name: ANN ARBOR DS0 Switch Type: 5ESS LATA: Detroit MI (340) Tandem: ANARMIMN20T 🔧 Explore Switch(CLLI: ANARMIMNDS0))
734-663	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	ANN ARBOR	ANARMIMNDS0	00/00/0000	Prefix Type: RBOC Switch Name: ANN ARBOR DS0 Switch Type: 5ESS LATA: Detroit MI (340) Tandem: ANARMIMN20T 🔧 Explore Switch(CLLI: ANARMIMNDS0))
734-665	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	ANN ARBOR	ANARMIMNDS0	00/00/0000	Prefix Type: RBOC Switch Name: ANN ARBOR DS0 Switch Type: 5ESS LATA: Detroit MI (340) Tandem: ANARMIMN20T 🔧 Explore Switch(CLLI: ANARMIMNDS0))
734-666	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	LIVONIA	LIVNMINWDS0	00/00/0000	Prefix Type: RBOC Switch Name: LIVONIA NW DS0 Switch Type: DMS100 LATA: Detroit MI (340) Tandem: ANARMIMN20T 🔧 Explore Switch(CLLI: LIVNMINWDS0))
734-666 is split into 1,000-number blocks - detail below
734-666-7XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	LIVONIA	LIVNMINWDS0	N/A	Prefix Type: RBOC Switch Name: LIVONIA NW DS0 Switch Type: DMS100 LATA: Detroit MI (340) Tandem: ANARMIMN20T 🔧 Explore Switch(CLLI: LIVNMINWDS0))
734-668	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	ANN ARBOR	ANARMIMNDS0	00/00/0000	Prefix Type: RBOC Switch Name: ANN ARBOR DS0 Switch Type: 5ESS LATA: Detroit MI (340) Tandem: ANARMIMN20T 🔧 Explore Switch(CLLI: ANARMIMNDS0))
734-669	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	ANN ARBOR	ANARMIMNDS1	00/00/0000	Prefix Type: RBOC Switch Name: ANN ARBOR DS1 Switch Type: 5ESS LATA: Detroit MI (340) Tandem: ANARMIMN20T 🔧 Explore Switch(CLLI: ANARMIMNDS1))
734-669 is split into 1,000-number blocks - detail below
734-669-0XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	ANN ARBOR	ANARMIMNDS1	N/A	Prefix Type: RBOC Switch Name: ANN ARBOR DS1 Switch Type: 5ESS LATA: Detroit MI (340) Tandem: ANARMIMN20T 🔧 Explore Switch(CLLI: ANARMIMNDS1))
734-669-2XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	ANN ARBOR	ANARMIMNDS1	N/A	Prefix Type: RBOC Switch Name: ANN ARBOR DS1 Switch Type: 5ESS LATA: Detroit MI (340) Tandem: ANARMIMN20T 🔧 Explore Switch(CLLI: ANARMIMNDS1))
734-669-4XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	ANN ARBOR	ANARMIMNDS1	N/A	Prefix Type: RBOC Switch Name: ANN ARBOR DS1 Switch Type: 5ESS LATA: Detroit MI (340) Tandem: ANARMIMN20T 🔧 Explore Switch(CLLI: ANARMIMNDS1))
734-669-5XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	ANN ARBOR	ANARMIMNDS1	N/A	Prefix Type: RBOC Switch Name: ANN ARBOR DS1 Switch Type: 5ESS LATA: Detroit MI (340) Tandem: ANARMIMN20T 🔧 Explore Switch(CLLI: ANARMIMNDS1))
734-669-6XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	ANN ARBOR	ANARMIMNDS1	N/A	Prefix Type: RBOC Switch Name: ANN ARBOR DS1 Switch Type: 5ESS LATA: Detroit MI (340) Tandem: ANARMIMN20T 🔧 Explore Switch(CLLI: ANARMIMNDS1))
734-669-7XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	ANN ARBOR	ANARMIMNDS1	N/A	Prefix Type: RBOC Switch Name: ANN ARBOR DS1 Switch Type: 5ESS LATA: Detroit MI (340) Tandem: ANARMIMN20T 🔧 Explore Switch(CLLI: ANARMIMNDS1))
734-669-8XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	ANN ARBOR	ANARMIMNDS1	N/A	Prefix Type: RBOC Switch Name: ANN ARBOR DS1 Switch Type: 5ESS LATA: Detroit MI (340) Tandem: ANARMIMN20T 🔧 Explore Switch(CLLI: ANARMIMNDS1))
734-669-9XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	ANN ARBOR	ANARMIMNDS1	N/A	Prefix Type: RBOC Switch Name: ANN ARBOR DS1 Switch Type: 5ESS LATA: Detroit MI (340) Tandem: ANARMIMN20T 🔧 Explore Switch(CLLI: ANARMIMNDS1))
734-671	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	TRENTON	TRENMIMNDS0	00/00/0000	Prefix Type: RBOC Switch Name: TRENTON DS0 Switch Type: EWSD LATA: Detroit MI (340) Tandem: WAYNMIMN20T 🔧 Explore Switch(CLLI: TRENMIMNDS0))
734-675	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	TRENTON	TRENMIMNDS0	00/00/0000	Prefix Type: RBOC Switch Name: TRENTON DS0 Switch Type: EWSD LATA: Detroit MI (340) Tandem: WAYNMIMN20T 🔧 Explore Switch(CLLI: TRENMIMNDS0))
734-676	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	TRENTON	TRENMIMNDS0	00/00/0000	Prefix Type: RBOC Switch Name: TRENTON DS0 Switch Type: EWSD LATA: Detroit MI (340) Tandem: WAYNMIMN20T 🔧 Explore Switch(CLLI: TRENMIMNDS0))
734-677	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	ANN ARBOR	ANARMISEDS0	00/00/0000	Prefix Type: RBOC Switch Name: ANN ARBOR SE Switch Type: DMS100 LATA: Detroit MI (340) Tandem: ANARMIMN20T 🔧 Explore Switch(CLLI: ANARMISEDS0))
734-692	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	TRENTON	TRENMIMNDS0	00/00/0000	Prefix Type: RBOC Switch Name: TRENTON DS0 Switch Type: EWSD LATA: Detroit MI (340) Tandem: WAYNMIMN20T 🔧 Explore Switch(CLLI: TRENMIMNDS0))
734-695	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	YPSILANTI	ANARMISEDS0	07/10/2007	Prefix Type: RBOC Switch Name: ANN ARBOR SE Switch Type: DMS100 LATA: Detroit MI (340) Tandem: ANARMIMN20T 🔧 Explore Switch(CLLI: ANARMISEDS0))
734-695 is split into 1,000-number blocks - detail below
734-695-2XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	YPSILANTI	ANARMISEDS0	07/12/2007	Prefix Type: RBOC Switch Name: ANN ARBOR SE Switch Type: DMS100 LATA: Detroit MI (340) Tandem: ANARMIMN20T 🔧 Explore Switch(CLLI: ANARMISEDS0))
734-695-3XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	YPSILANTI	ANARMISEDS0	07/12/2007	Prefix Type: RBOC Switch Name: ANN ARBOR SE Switch Type: DMS100 LATA: Detroit MI (340) Tandem: ANARMIMN20T 🔧 Explore Switch(CLLI: ANARMISEDS0))
734-695-4XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	YPSILANTI	ANARMISEDS0	07/12/2007	Prefix Type: RBOC Switch Name: ANN ARBOR SE Switch Type: DMS100 LATA: Detroit MI (340) Tandem: ANARMIMN20T 🔧 Explore Switch(CLLI: ANARMISEDS0))
734-695-5XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	YPSILANTI	ANARMISEDS0	07/12/2007	Prefix Type: RBOC Switch Name: ANN ARBOR SE Switch Type: DMS100 LATA: Detroit MI (340) Tandem: ANARMIMN20T 🔧 Explore Switch(CLLI: ANARMISEDS0))
734-695-6XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	YPSILANTI	ANARMISEDS0	07/12/2007	Prefix Type: RBOC Switch Name: ANN ARBOR SE Switch Type: DMS100 LATA: Detroit MI (340) Tandem: ANARMIMN20T 🔧 Explore Switch(CLLI: ANARMISEDS0))
734-697	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	BELLEVILLE	BLVLMIBVRPA	00/00/0000	Prefix Type: RBOC Switch Name: BELLEVILLE Switch Type: N/A LATA: Detroit MI (340) Tandem: N/A 🔧 Explore Switch(CLLI: BLVLMIBVRPA))
734-699	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	BELLEVILLE	BLVLMIBVRPA	00/00/0000	Prefix Type: RBOC Switch Name: BELLEVILLE Switch Type: N/A LATA: Detroit MI (340) Tandem: N/A 🔧 Explore Switch(CLLI: BLVLMIBVRPA))
734-707 is split into 1,000-number blocks - detail below
734-707-2XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	ANN ARBOR	ANARMIMNDS0	12/28/2010	Prefix Type: RBOC Switch Name: ANN ARBOR DS0 Switch Type: 5ESS LATA: Detroit MI (340) Tandem: ANARMIMN20T 🔧 Explore Switch(CLLI: ANARMIMNDS0))
734-710 is split into 1,000-number blocks - detail below
734-710-2XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	WAYNE	WAYNMIMNDS0	03/11/2004	Prefix Type: RBOC Switch Name: WAYNE DS0 Switch Type: EWSD LATA: Detroit MI (340) Tandem: WAYNMIMN20T 🔧 Explore Switch(CLLI: WAYNMIMNDS0))
734-710-4XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	WAYNE	WAYNMIMNDS0	03/11/2004	Prefix Type: RBOC Switch Name: WAYNE DS0 Switch Type: EWSD LATA: Detroit MI (340) Tandem: WAYNMIMN20T 🔧 Explore Switch(CLLI: WAYNMIMNDS0))
734-710-5XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	WAYNE	WAYNMIMNDS0	03/11/2004	Prefix Type: RBOC Switch Name: WAYNE DS0 Switch Type: EWSD LATA: Detroit MI (340) Tandem: WAYNMIMN20T 🔧 Explore Switch(CLLI: WAYNMIMNDS0))
734-710-7XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	WAYNE	WAYNMIMNDS0	03/11/2004	Prefix Type: RBOC Switch Name: WAYNE DS0 Switch Type: EWSD LATA: Detroit MI (340) Tandem: WAYNMIMN20T 🔧 Explore Switch(CLLI: WAYNMIMNDS0))
734-710-8XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	WAYNE	WAYNMIMNDS0	03/11/2004	Prefix Type: RBOC Switch Name: WAYNE DS0 Switch Type: EWSD LATA: Detroit MI (340) Tandem: WAYNMIMN20T 🔧 Explore Switch(CLLI: WAYNMIMNDS0))
734-712	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	YPSILANTI	ANARMISEDS0	00/00/0000	Prefix Type: RBOC Switch Name: ANN ARBOR SE Switch Type: DMS100 LATA: Detroit MI (340) Tandem: ANARMIMN20T 🔧 Explore Switch(CLLI: ANARMISEDS0))
734-714 is split into 1,000-number blocks - detail below
734-714-1XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	YPSILANTI	YPSLMIMNDS0	N/A	Prefix Type: RBOC Switch Name: YPSILANTI Switch Type: DMS100 LATA: Detroit MI (340) Tandem: ANARMIMN20T 🔧 Explore Switch(CLLI: YPSLMIMNDS0))
734-721	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	WAYNE	WAYNMIMNDS0	00/00/0000	Prefix Type: RBOC Switch Name: WAYNE DS0 Switch Type: EWSD LATA: Detroit MI (340) Tandem: WAYNMIMN20T 🔧 Explore Switch(CLLI: WAYNMIMNDS0))
734-722	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	WAYNE	WAYNMIMNDS0	00/00/0000	Prefix Type: RBOC Switch Name: WAYNE DS0 Switch Type: EWSD LATA: Detroit MI (340) Tandem: WAYNMIMN20T 🔧 Explore Switch(CLLI: WAYNMIMNDS0))
734-727	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	WAYNE	WAYNMIMNDS0	00/00/0000	Prefix Type: RBOC Switch Name: WAYNE DS0 Switch Type: EWSD LATA: Detroit MI (340) Tandem: WAYNMIMN20T 🔧 Explore Switch(CLLI: WAYNMIMNDS0))
734-727 is split into 1,000-number blocks - detail below
734-727-0XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	WAYNE	WAYNMIMNDS0	N/A	Prefix Type: RBOC Switch Name: WAYNE DS0 Switch Type: EWSD LATA: Detroit MI (340) Tandem: WAYNMIMN20T 🔧 Explore Switch(CLLI: WAYNMIMNDS0))
734-727-1XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	WAYNE	WAYNMIMNDS0	N/A	Prefix Type: RBOC Switch Name: WAYNE DS0 Switch Type: EWSD LATA: Detroit MI (340) Tandem: WAYNMIMN20T 🔧 Explore Switch(CLLI: WAYNMIMNDS0))
734-727-2XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	WAYNE	WAYNMIMNDS0	N/A	Prefix Type: RBOC Switch Name: WAYNE DS0 Switch Type: EWSD LATA: Detroit MI (340) Tandem: WAYNMIMN20T 🔧 Explore Switch(CLLI: WAYNMIMNDS0))
734-727-4XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	WAYNE	WAYNMIMNDS0	N/A	Prefix Type: RBOC Switch Name: WAYNE DS0 Switch Type: EWSD LATA: Detroit MI (340) Tandem: WAYNMIMN20T 🔧 Explore Switch(CLLI: WAYNMIMNDS0))
734-727-5XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	WAYNE	WAYNMIMNDS0	N/A	Prefix Type: RBOC Switch Name: WAYNE DS0 Switch Type: EWSD LATA: Detroit MI (340) Tandem: WAYNMIMN20T 🔧 Explore Switch(CLLI: WAYNMIMNDS0))
734-727-7XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	WAYNE	WAYNMIMNDS0	N/A	Prefix Type: RBOC Switch Name: WAYNE DS0 Switch Type: EWSD LATA: Detroit MI (340) Tandem: WAYNMIMN20T 🔧 Explore Switch(CLLI: WAYNMIMNDS0))
734-727-8XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	WAYNE	WAYNMIMNDS0	N/A	Prefix Type: RBOC Switch Name: WAYNE DS0 Switch Type: EWSD LATA: Detroit MI (340) Tandem: WAYNMIMN20T 🔧 Explore Switch(CLLI: WAYNMIMNDS0))
734-727-9XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	WAYNE	WAYNMIMNDS0	N/A	Prefix Type: RBOC Switch Name: WAYNE DS0 Switch Type: EWSD LATA: Detroit MI (340) Tandem: WAYNMIMN20T 🔧 Explore Switch(CLLI: WAYNMIMNDS0))
734-728	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	WAYNE	WAYNMIMNDS0	00/00/0000	Prefix Type: RBOC Switch Name: WAYNE DS0 Switch Type: EWSD LATA: Detroit MI (340) Tandem: WAYNMIMN20T 🔧 Explore Switch(CLLI: WAYNMIMNDS0))
734-729	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	WAYNE	WAYNMIMNDS0	00/00/0000	Prefix Type: RBOC Switch Name: WAYNE DS0 Switch Type: EWSD LATA: Detroit MI (340) Tandem: WAYNMIMN20T 🔧 Explore Switch(CLLI: WAYNMIMNDS0))
734-736 is split into 1,000-number blocks - detail below
734-736-0XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	WAYNE	WAYNMIMNDS0	03/11/2004	Prefix Type: RBOC Switch Name: WAYNE DS0 Switch Type: EWSD LATA: Detroit MI (340) Tandem: WAYNMIMN20T 🔧 Explore Switch(CLLI: WAYNMIMNDS0))
734-736-2XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	WAYNE	WAYNMIMNDS0	03/11/2004	Prefix Type: RBOC Switch Name: WAYNE DS0 Switch Type: EWSD LATA: Detroit MI (340) Tandem: WAYNMIMN20T 🔧 Explore Switch(CLLI: WAYNMIMNDS0))
734-736-5XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	WAYNE	WAYNMIMNDS0	03/11/2004	Prefix Type: RBOC Switch Name: WAYNE DS0 Switch Type: EWSD LATA: Detroit MI (340) Tandem: WAYNMIMN20T 🔧 Explore Switch(CLLI: WAYNMIMNDS0))
734-737	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	PLYMOUTH	PLMOMIMNDS0	00/00/0000	Prefix Type: RBOC Switch Name: PLYMOUTH DS0 Switch Type: DMS100 LATA: Detroit MI (340) Tandem: ANARMIMN20T 🔧 Explore Switch(CLLI: PLMOMIMNDS0))
734-737 is split into 1,000-number blocks - detail below
734-737-0XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	PLYMOUTH	PLMOMIMNDS0	N/A	Prefix Type: RBOC Switch Name: PLYMOUTH DS0 Switch Type: DMS100 LATA: Detroit MI (340) Tandem: ANARMIMN20T 🔧 Explore Switch(CLLI: PLMOMIMNDS0))
734-737-2XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	PLYMOUTH	PLMOMIMNDS0	N/A	Prefix Type: RBOC Switch Name: PLYMOUTH DS0 Switch Type: DMS100 LATA: Detroit MI (340) Tandem: ANARMIMN20T 🔧 Explore Switch(CLLI: PLMOMIMNDS0))
734-737-4XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	PLYMOUTH	PLMOMIMNDS0	N/A	Prefix Type: RBOC Switch Name: PLYMOUTH DS0 Switch Type: DMS100 LATA: Detroit MI (340) Tandem: ANARMIMN20T 🔧 Explore Switch(CLLI: PLMOMIMNDS0))
734-737-5XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	PLYMOUTH	PLMOMIMNDS0	N/A	Prefix Type: RBOC Switch Name: PLYMOUTH DS0 Switch Type: DMS100 LATA: Detroit MI (340) Tandem: ANARMIMN20T 🔧 Explore Switch(CLLI: PLMOMIMNDS0))
734-737-8XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	PLYMOUTH	PLMOMIMNDS0	N/A	Prefix Type: RBOC Switch Name: PLYMOUTH DS0 Switch Type: DMS100 LATA: Detroit MI (340) Tandem: ANARMIMN20T 🔧 Explore Switch(CLLI: PLMOMIMNDS0))
734-737-9XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	PLYMOUTH	PLMOMIMNDS0	N/A	Prefix Type: RBOC Switch Name: PLYMOUTH DS0 Switch Type: DMS100 LATA: Detroit MI (340) Tandem: ANARMIMN20T 🔧 Explore Switch(CLLI: PLMOMIMNDS0))
734-741	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	ANN ARBOR	ANARMIMNDS1	00/00/0000	Prefix Type: RBOC Switch Name: ANN ARBOR DS1 Switch Type: 5ESS LATA: Detroit MI (340) Tandem: ANARMIMN20T 🔧 Explore Switch(CLLI: ANARMIMNDS1))
734-741 is split into 1,000-number blocks - detail below
734-741-0XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	ANN ARBOR	ANARMIMNDS1	N/A	Prefix Type: RBOC Switch Name: ANN ARBOR DS1 Switch Type: 5ESS LATA: Detroit MI (340) Tandem: ANARMIMN20T 🔧 Explore Switch(CLLI: ANARMIMNDS1))
734-741-1XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	ANN ARBOR	ANARMIMNDS1	N/A	Prefix Type: RBOC Switch Name: ANN ARBOR DS1 Switch Type: 5ESS LATA: Detroit MI (340) Tandem: ANARMIMN20T 🔧 Explore Switch(CLLI: ANARMIMNDS1))
734-741-2XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	ANN ARBOR	ANARMIMNDS1	N/A	Prefix Type: RBOC Switch Name: ANN ARBOR DS1 Switch Type: 5ESS LATA: Detroit MI (340) Tandem: ANARMIMN20T 🔧 Explore Switch(CLLI: ANARMIMNDS1))
734-741-4XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	ANN ARBOR	ANARMIMNDS1	N/A	Prefix Type: RBOC Switch Name: ANN ARBOR DS1 Switch Type: 5ESS LATA: Detroit MI (340) Tandem: ANARMIMN20T 🔧 Explore Switch(CLLI: ANARMIMNDS1))
734-741-5XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	ANN ARBOR	ANARMIMNDS1	N/A	Prefix Type: RBOC Switch Name: ANN ARBOR DS1 Switch Type: 5ESS LATA: Detroit MI (340) Tandem: ANARMIMN20T 🔧 Explore Switch(CLLI: ANARMIMNDS1))
734-741-6XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	ANN ARBOR	ANARMIMNDS1	N/A	Prefix Type: RBOC Switch Name: ANN ARBOR DS1 Switch Type: 5ESS LATA: Detroit MI (340) Tandem: ANARMIMN20T 🔧 Explore Switch(CLLI: ANARMIMNDS1))
734-741-7XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	ANN ARBOR	ANARMIMNDS1	N/A	Prefix Type: RBOC Switch Name: ANN ARBOR DS1 Switch Type: 5ESS LATA: Detroit MI (340) Tandem: ANARMIMN20T 🔧 Explore Switch(CLLI: ANARMIMNDS1))
734-741-8XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	ANN ARBOR	ANARMIMNDS1	N/A	Prefix Type: RBOC Switch Name: ANN ARBOR DS1 Switch Type: 5ESS LATA: Detroit MI (340) Tandem: ANARMIMN20T 🔧 Explore Switch(CLLI: ANARMIMNDS1))
734-741-9XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	ANN ARBOR	ANARMIMNDS1	N/A	Prefix Type: RBOC Switch Name: ANN ARBOR DS1 Switch Type: 5ESS LATA: Detroit MI (340) Tandem: ANARMIMN20T 🔧 Explore Switch(CLLI: ANARMIMNDS1))
734-747	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	ANN ARBOR	ANARMIMNDS1	00/00/0000	Prefix Type: RBOC Switch Name: ANN ARBOR DS1 Switch Type: 5ESS LATA: Detroit MI (340) Tandem: ANARMIMN20T 🔧 Explore Switch(CLLI: ANARMIMNDS1))
734-747 is split into 1,000-number blocks - detail below
734-747-5XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	ANN ARBOR	ANARMIMNDS1	N/A	Prefix Type: RBOC Switch Name: ANN ARBOR DS1 Switch Type: 5ESS LATA: Detroit MI (340) Tandem: ANARMIMN20T 🔧 Explore Switch(CLLI: ANARMIMNDS1))
734-747-6XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	ANN ARBOR	ANARMIMNDS1	N/A	Prefix Type: RBOC Switch Name: ANN ARBOR DS1 Switch Type: 5ESS LATA: Detroit MI (340) Tandem: ANARMIMN20T 🔧 Explore Switch(CLLI: ANARMIMNDS1))
734-747-7XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	ANN ARBOR	ANARMIMNDS1	N/A	Prefix Type: RBOC Switch Name: ANN ARBOR DS1 Switch Type: 5ESS LATA: Detroit MI (340) Tandem: ANARMIMN20T 🔧 Explore Switch(CLLI: ANARMIMNDS1))
734-747-8XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	ANN ARBOR	ANARMIMNDS1	N/A	Prefix Type: RBOC Switch Name: ANN ARBOR DS1 Switch Type: 5ESS LATA: Detroit MI (340) Tandem: ANARMIMN20T 🔧 Explore Switch(CLLI: ANARMIMNDS1))
734-747-9XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	ANN ARBOR	ANARMIMNDS1	N/A	Prefix Type: RBOC Switch Name: ANN ARBOR DS1 Switch Type: 5ESS LATA: Detroit MI (340) Tandem: ANARMIMN20T 🔧 Explore Switch(CLLI: ANARMIMNDS1))
734-753	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	NEW BOSTON	NBTNMIMNRSA	00/00/0000	Prefix Type: RBOC Switch Name: NEW BOSTON Switch Type: N/A LATA: Detroit MI (340) Tandem: WAYNMIMN20T 🔧 Explore Switch(CLLI: NBTNMIMNRSA))
734-753 is split into 1,000-number blocks - detail below
734-753-0XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	NEW BOSTON	NBTNMIMNRSA	N/A	Prefix Type: RBOC Switch Name: NEW BOSTON Switch Type: N/A LATA: Detroit MI (340) Tandem: WAYNMIMN20T 🔧 Explore Switch(CLLI: NBTNMIMNRSA))
734-753-1XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	NEW BOSTON	NBTNMIMNRSA	N/A	Prefix Type: RBOC Switch Name: NEW BOSTON Switch Type: N/A LATA: Detroit MI (340) Tandem: WAYNMIMN20T 🔧 Explore Switch(CLLI: NBTNMIMNRSA))
734-753-2XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	NEW BOSTON	NBTNMIMNRSA	N/A	Prefix Type: RBOC Switch Name: NEW BOSTON Switch Type: N/A LATA: Detroit MI (340) Tandem: WAYNMIMN20T 🔧 Explore Switch(CLLI: NBTNMIMNRSA))
734-753-3XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	NEW BOSTON	NBTNMIMNRSA	N/A	Prefix Type: RBOC Switch Name: NEW BOSTON Switch Type: N/A LATA: Detroit MI (340) Tandem: WAYNMIMN20T 🔧 Explore Switch(CLLI: NBTNMIMNRSA))
734-753-4XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	NEW BOSTON	NBTNMIMNRSA	N/A	Prefix Type: RBOC Switch Name: NEW BOSTON Switch Type: N/A LATA: Detroit MI (340) Tandem: WAYNMIMN20T 🔧 Explore Switch(CLLI: NBTNMIMNRSA))
734-753-5XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	NEW BOSTON	NBTNMIMNRSA	N/A	Prefix Type: RBOC Switch Name: NEW BOSTON Switch Type: N/A LATA: Detroit MI (340) Tandem: WAYNMIMN20T 🔧 Explore Switch(CLLI: NBTNMIMNRSA))
734-753-9XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	NEW BOSTON	NBTNMIMNRSA	N/A	Prefix Type: RBOC Switch Name: NEW BOSTON Switch Type: N/A LATA: Detroit MI (340) Tandem: WAYNMIMN20T 🔧 Explore Switch(CLLI: NBTNMIMNRSA))
734-759 is split into 1,000-number blocks - detail below
734-759-5XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	WYANDOTTE	TAYLMIWKDS0	10/18/2005	Prefix Type: RBOC Switch Name: TAYLOR WICK Switch Type: 5ESS LATA: Detroit MI (340) Tandem: WAYNMIMN20T 🔧 Explore Switch(CLLI: TAYLMIWKDS0))
734-759-6XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	WYANDOTTE	TAYLMIWKDS0	10/18/2005	Prefix Type: RBOC Switch Name: TAYLOR WICK Switch Type: 5ESS LATA: Detroit MI (340) Tandem: WAYNMIMN20T 🔧 Explore Switch(CLLI: TAYLMIWKDS0))
734-761	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	ANN ARBOR	ANARMIMNDS0	00/00/0000	Prefix Type: RBOC Switch Name: ANN ARBOR DS0 Switch Type: 5ESS LATA: Detroit MI (340) Tandem: ANARMIMN20T 🔧 Explore Switch(CLLI: ANARMIMNDS0))
734-762	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	LIVONIA	LIVNMIMNRP0	00/00/0000	Prefix Type: RBOC Switch Name: LIVONIA Switch Type: N/A LATA: Detroit MI (340) Tandem: N/A 🔧 Explore Switch(CLLI: LIVNMIMNRP0))
734-763	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	ANN ARBOR	ANARMIMNDS0	00/00/0000	Prefix Type: RBOC Switch Name: ANN ARBOR DS0 Switch Type: 5ESS LATA: Detroit MI (340) Tandem: ANARMIMN20T 🔧 Explore Switch(CLLI: ANARMIMNDS0))
734-764	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	ANN ARBOR	ANARMIMNDS0	00/00/0000	Prefix Type: RBOC Switch Name: ANN ARBOR DS0 Switch Type: 5ESS LATA: Detroit MI (340) Tandem: ANARMIMN20T 🔧 Explore Switch(CLLI: ANARMIMNDS0))
734-769	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	ANN ARBOR	ANARMIMNDS0	00/00/0000	Prefix Type: RBOC Switch Name: ANN ARBOR DS0 Switch Type: 5ESS LATA: Detroit MI (340) Tandem: ANARMIMN20T 🔧 Explore Switch(CLLI: ANARMIMNDS0))
734-779	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	LIVONIA	LIVNMINWDS0	00/00/0000	Prefix Type: RBOC Switch Name: LIVONIA NW DS0 Switch Type: DMS100 LATA: Detroit MI (340) Tandem: ANARMIMN20T 🔧 Explore Switch(CLLI: LIVNMINWDS0))
734-779 is split into 1,000-number blocks - detail below
734-779-0XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	LIVONIA	LIVNMINWDS0	N/A	Prefix Type: RBOC Switch Name: LIVONIA NW DS0 Switch Type: DMS100 LATA: Detroit MI (340) Tandem: ANARMIMN20T 🔧 Explore Switch(CLLI: LIVNMINWDS0))
734-779-1XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	LIVONIA	LIVNMINWDS0	N/A	Prefix Type: RBOC Switch Name: LIVONIA NW DS0 Switch Type: DMS100 LATA: Detroit MI (340) Tandem: ANARMIMN20T 🔧 Explore Switch(CLLI: LIVNMINWDS0))
734-779-2XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	LIVONIA	LIVNMINWDS0	N/A	Prefix Type: RBOC Switch Name: LIVONIA NW DS0 Switch Type: DMS100 LATA: Detroit MI (340) Tandem: ANARMIMN20T 🔧 Explore Switch(CLLI: LIVNMINWDS0))
734-779-3XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	LIVONIA	LIVNMINWDS0	N/A	Prefix Type: RBOC Switch Name: LIVONIA NW DS0 Switch Type: DMS100 LATA: Detroit MI (340) Tandem: ANARMIMN20T 🔧 Explore Switch(CLLI: LIVNMINWDS0))
734-779-4XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	LIVONIA	LIVNMINWDS0	N/A	Prefix Type: RBOC Switch Name: LIVONIA NW DS0 Switch Type: DMS100 LATA: Detroit MI (340) Tandem: ANARMIMN20T 🔧 Explore Switch(CLLI: LIVNMINWDS0))
734-779-5XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	LIVONIA	LIVNMINWDS0	N/A	Prefix Type: RBOC Switch Name: LIVONIA NW DS0 Switch Type: DMS100 LATA: Detroit MI (340) Tandem: ANARMIMN20T 🔧 Explore Switch(CLLI: LIVNMINWDS0))
734-779-7XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	LIVONIA	LIVNMINWDS0	10/15/2015	Prefix Type: RBOC Switch Name: LIVONIA NW DS0 Switch Type: DMS100 LATA: Detroit MI (340) Tandem: ANARMIMN20T 🔧 Explore Switch(CLLI: LIVNMINWDS0))
734-779-8XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	LIVONIA	LIVNMINWDS0	N/A	Prefix Type: RBOC Switch Name: LIVONIA NW DS0 Switch Type: DMS100 LATA: Detroit MI (340) Tandem: ANARMIMN20T 🔧 Explore Switch(CLLI: LIVNMINWDS0))
734-779-9XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	LIVONIA	LIVNMINWDS0	N/A	Prefix Type: RBOC Switch Name: LIVONIA NW DS0 Switch Type: DMS100 LATA: Detroit MI (340) Tandem: ANARMIMN20T 🔧 Explore Switch(CLLI: LIVNMINWDS0))
734-782	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	FLAT ROCK	FLRKMIFRDS0	00/00/0000	Prefix Type: RBOC Switch Name: FLAT ROCK Switch Type: DMS100 LATA: Detroit MI (340) Tandem: WAYNMIMN20T 🔧 Explore Switch(CLLI: FLRKMIFRDS0))
734-783	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	FLAT ROCK	FLRKMIFRDS0	00/00/0000	Prefix Type: RBOC Switch Name: FLAT ROCK Switch Type: DMS100 LATA: Detroit MI (340) Tandem: WAYNMIMN20T 🔧 Explore Switch(CLLI: FLRKMIFRDS0))
734-789	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	FLAT ROCK	FLRKMIFRDS0	00/00/0000	Prefix Type: RBOC Switch Name: FLAT ROCK Switch Type: DMS100 LATA: Detroit MI (340) Tandem: WAYNMIMN20T 🔧 Explore Switch(CLLI: FLRKMIFRDS0))
734-789 is split into 1,000-number blocks - detail below
734-789-1XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	FLAT ROCK	FLRKMIFRDS0	N/A	Prefix Type: RBOC Switch Name: FLAT ROCK Switch Type: DMS100 LATA: Detroit MI (340) Tandem: WAYNMIMN20T 🔧 Explore Switch(CLLI: FLRKMIFRDS0))
734-789-2XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	FLAT ROCK	FLRKMIFRDS0	N/A	Prefix Type: RBOC Switch Name: FLAT ROCK Switch Type: DMS100 LATA: Detroit MI (340) Tandem: WAYNMIMN20T 🔧 Explore Switch(CLLI: FLRKMIFRDS0))
734-789-8XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	FLAT ROCK	FLRKMIFRDS0	N/A	Prefix Type: RBOC Switch Name: FLAT ROCK Switch Type: DMS100 LATA: Detroit MI (340) Tandem: WAYNMIMN20T 🔧 Explore Switch(CLLI: FLRKMIFRDS0))
734-789-9XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	FLAT ROCK	FLRKMIFRDS0	N/A	Prefix Type: RBOC Switch Name: FLAT ROCK Switch Type: DMS100 LATA: Detroit MI (340) Tandem: WAYNMIMN20T 🔧 Explore Switch(CLLI: FLRKMIFRDS0))
734-805	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	LIVONIA	LIVNMINWDS0	00/00/0000	Prefix Type: RBOC Switch Name: LIVONIA NW DS0 Switch Type: DMS100 LATA: Detroit MI (340) Tandem: ANARMIMN20T 🔧 Explore Switch(CLLI: LIVNMINWDS0))
734-805 is split into 1,000-number blocks - detail below
734-805-0XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	LIVONIA	LIVNMINWDS0	N/A	Prefix Type: RBOC Switch Name: LIVONIA NW DS0 Switch Type: DMS100 LATA: Detroit MI (340) Tandem: ANARMIMN20T 🔧 Explore Switch(CLLI: LIVNMINWDS0))
734-805-1XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	LIVONIA	LIVNMINWDS0	N/A	Prefix Type: RBOC Switch Name: LIVONIA NW DS0 Switch Type: DMS100 LATA: Detroit MI (340) Tandem: ANARMIMN20T 🔧 Explore Switch(CLLI: LIVNMINWDS0))
734-805-2XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	LIVONIA	LIVNMINWDS0	N/A	Prefix Type: RBOC Switch Name: LIVONIA NW DS0 Switch Type: DMS100 LATA: Detroit MI (340) Tandem: ANARMIMN20T 🔧 Explore Switch(CLLI: LIVNMINWDS0))
734-805-3XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	LIVONIA	LIVNMINWDS0	N/A	Prefix Type: RBOC Switch Name: LIVONIA NW DS0 Switch Type: DMS100 LATA: Detroit MI (340) Tandem: ANARMIMN20T 🔧 Explore Switch(CLLI: LIVNMINWDS0))
734-805-4XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	LIVONIA	LIVNMINWDS0	N/A	Prefix Type: RBOC Switch Name: LIVONIA NW DS0 Switch Type: DMS100 LATA: Detroit MI (340) Tandem: ANARMIMN20T 🔧 Explore Switch(CLLI: LIVNMINWDS0))
734-805-5XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	LIVONIA	LIVNMINWDS0	N/A	Prefix Type: RBOC Switch Name: LIVONIA NW DS0 Switch Type: DMS100 LATA: Detroit MI (340) Tandem: ANARMIMN20T 🔧 Explore Switch(CLLI: LIVNMINWDS0))
734-805-6XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	LIVONIA	LIVNMINWDS0	N/A	Prefix Type: RBOC Switch Name: LIVONIA NW DS0 Switch Type: DMS100 LATA: Detroit MI (340) Tandem: ANARMIMN20T 🔧 Explore Switch(CLLI: LIVNMINWDS0))
734-805-7XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	LIVONIA	LIVNMINWDS0	N/A	Prefix Type: RBOC Switch Name: LIVONIA NW DS0 Switch Type: DMS100 LATA: Detroit MI (340) Tandem: ANARMIMN20T 🔧 Explore Switch(CLLI: LIVNMINWDS0))
734-827	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	ANN ARBOR	ANARMIMNDS0	00/00/0000	Prefix Type: RBOC Switch Name: ANN ARBOR DS0 Switch Type: 5ESS LATA: Detroit MI (340) Tandem: ANARMIMN20T 🔧 Explore Switch(CLLI: ANARMIMNDS0))
734-827 is split into 1,000-number blocks - detail below
734-827-0XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	ANN ARBOR	ANARMIMNDS0	N/A	Prefix Type: RBOC Switch Name: ANN ARBOR DS0 Switch Type: 5ESS LATA: Detroit MI (340) Tandem: ANARMIMN20T 🔧 Explore Switch(CLLI: ANARMIMNDS0))
734-827-1XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	ANN ARBOR	ANARMIMNDS0	N/A	Prefix Type: RBOC Switch Name: ANN ARBOR DS0 Switch Type: 5ESS LATA: Detroit MI (340) Tandem: ANARMIMN20T 🔧 Explore Switch(CLLI: ANARMIMNDS0))
734-827-2XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	ANN ARBOR	ANARMIMNDS0	N/A	Prefix Type: RBOC Switch Name: ANN ARBOR DS0 Switch Type: 5ESS LATA: Detroit MI (340) Tandem: ANARMIMN20T 🔧 Explore Switch(CLLI: ANARMIMNDS0))
734-827-3XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	ANN ARBOR	ANARMIMNDS0	N/A	Prefix Type: RBOC Switch Name: ANN ARBOR DS0 Switch Type: 5ESS LATA: Detroit MI (340) Tandem: ANARMIMN20T 🔧 Explore Switch(CLLI: ANARMIMNDS0))
734-827-5XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	ANN ARBOR	ANARMIMNDS0	N/A	Prefix Type: RBOC Switch Name: ANN ARBOR DS0 Switch Type: 5ESS LATA: Detroit MI (340) Tandem: ANARMIMN20T 🔧 Explore Switch(CLLI: ANARMIMNDS0))
734-827-6XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	ANN ARBOR	ANARMIMNDS0	N/A	Prefix Type: RBOC Switch Name: ANN ARBOR DS0 Switch Type: 5ESS LATA: Detroit MI (340) Tandem: ANARMIMN20T 🔧 Explore Switch(CLLI: ANARMIMNDS0))
734-827-7XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	ANN ARBOR	ANARMIMNDS0	N/A	Prefix Type: RBOC Switch Name: ANN ARBOR DS0 Switch Type: 5ESS LATA: Detroit MI (340) Tandem: ANARMIMN20T 🔧 Explore Switch(CLLI: ANARMIMNDS0))
734-827-8XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	ANN ARBOR	ANARMIMNDS0	N/A	Prefix Type: RBOC Switch Name: ANN ARBOR DS0 Switch Type: 5ESS LATA: Detroit MI (340) Tandem: ANARMIMN20T 🔧 Explore Switch(CLLI: ANARMIMNDS0))
734-844	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	PLYMOUTH	WAYNMINWDS0	00/00/0000	Prefix Type: RBOC Switch Name: WAYNE NW Switch Type: EWSD LATA: Detroit MI (340) Tandem: ANARMIMN20T 🔧 Explore Switch(CLLI: WAYNMINWDS0))
734-844 is split into 1,000-number blocks - detail below
734-844-0XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	PLYMOUTH	WAYNMINWDS0	N/A	Prefix Type: RBOC Switch Name: WAYNE NW Switch Type: EWSD LATA: Detroit MI (340) Tandem: ANARMIMN20T 🔧 Explore Switch(CLLI: WAYNMINWDS0))
734-844-1XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	PLYMOUTH	WAYNMINWDS0	N/A	Prefix Type: RBOC Switch Name: WAYNE NW Switch Type: EWSD LATA: Detroit MI (340) Tandem: ANARMIMN20T 🔧 Explore Switch(CLLI: WAYNMINWDS0))
734-844-2XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	PLYMOUTH	WAYNMINWDS0	N/A	Prefix Type: RBOC Switch Name: WAYNE NW Switch Type: EWSD LATA: Detroit MI (340) Tandem: ANARMIMN20T 🔧 Explore Switch(CLLI: WAYNMINWDS0))
734-844-3XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	PLYMOUTH	WAYNMINWDS0	N/A	Prefix Type: RBOC Switch Name: WAYNE NW Switch Type: EWSD LATA: Detroit MI (340) Tandem: ANARMIMN20T 🔧 Explore Switch(CLLI: WAYNMINWDS0))
734-844-5XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	PLYMOUTH	WAYNMINWDS0	N/A	Prefix Type: RBOC Switch Name: WAYNE NW Switch Type: EWSD LATA: Detroit MI (340) Tandem: ANARMIMN20T 🔧 Explore Switch(CLLI: WAYNMINWDS0))
734-844-6XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	PLYMOUTH	WAYNMINWDS0	N/A	Prefix Type: RBOC Switch Name: WAYNE NW Switch Type: EWSD LATA: Detroit MI (340) Tandem: ANARMIMN20T 🔧 Explore Switch(CLLI: WAYNMINWDS0))
734-844-7XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	PLYMOUTH	WAYNMINWDS0	N/A	Prefix Type: RBOC Switch Name: WAYNE NW Switch Type: EWSD LATA: Detroit MI (340) Tandem: ANARMIMN20T 🔧 Explore Switch(CLLI: WAYNMINWDS0))
734-844-8XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	PLYMOUTH	WAYNMINWDS0	N/A	Prefix Type: RBOC Switch Name: WAYNE NW Switch Type: EWSD LATA: Detroit MI (340) Tandem: ANARMIMN20T 🔧 Explore Switch(CLLI: WAYNMINWDS0))
734-844-9XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	PLYMOUTH	WAYNMINWDS0	N/A	Prefix Type: RBOC Switch Name: WAYNE NW Switch Type: EWSD LATA: Detroit MI (340) Tandem: ANARMIMN20T 🔧 Explore Switch(CLLI: WAYNMINWDS0))
734-845 is split into 1,000-number blocks - detail below
734-845-3XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	ANN ARBOR	ANARMIMNDS0	09/13/2006	Prefix Type: RBOC Switch Name: ANN ARBOR DS0 Switch Type: 5ESS LATA: Detroit MI (340) Tandem: ANARMIMN20T 🔧 Explore Switch(CLLI: ANARMIMNDS0))
734-845-5XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	ANN ARBOR	ANARMIMNDS0	09/13/2006	Prefix Type: RBOC Switch Name: ANN ARBOR DS0 Switch Type: 5ESS LATA: Detroit MI (340) Tandem: ANARMIMN20T 🔧 Explore Switch(CLLI: ANARMIMNDS0))
734-878	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	PINCKNEY	PNCNMIMNRS1	00/00/0000	Prefix Type: RBOC Switch Name: PINCKNEY Switch Type: N/A LATA: Detroit MI (340) Tandem: ANARMIMN20T 🔧 Explore Switch(CLLI: PNCNMIMNRS1))
734-878 is split into 1,000-number blocks - detail below
734-878-0XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	PINCKNEY	PNCNMIMNRS1	N/A	Prefix Type: RBOC Switch Name: PINCKNEY Switch Type: N/A LATA: Detroit MI (340) Tandem: ANARMIMN20T 🔧 Explore Switch(CLLI: PNCNMIMNRS1))
734-878-1XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	PINCKNEY	PNCNMIMNRS1	N/A	Prefix Type: RBOC Switch Name: PINCKNEY Switch Type: N/A LATA: Detroit MI (340) Tandem: ANARMIMN20T 🔧 Explore Switch(CLLI: PNCNMIMNRS1))
734-878-2XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	PINCKNEY	PNCNMIMNRS1	N/A	Prefix Type: RBOC Switch Name: PINCKNEY Switch Type: N/A LATA: Detroit MI (340) Tandem: ANARMIMN20T 🔧 Explore Switch(CLLI: PNCNMIMNRS1))
734-878-3XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	PINCKNEY	PNCNMIMNRS1	N/A	Prefix Type: RBOC Switch Name: PINCKNEY Switch Type: N/A LATA: Detroit MI (340) Tandem: ANARMIMN20T 🔧 Explore Switch(CLLI: PNCNMIMNRS1))
734-878-4XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	PINCKNEY	PNCNMIMNRS1	N/A	Prefix Type: RBOC Switch Name: PINCKNEY Switch Type: N/A LATA: Detroit MI (340) Tandem: ANARMIMN20T 🔧 Explore Switch(CLLI: PNCNMIMNRS1))
734-878-5XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	PINCKNEY	PNCNMIMNRS1	N/A	Prefix Type: RBOC Switch Name: PINCKNEY Switch Type: N/A LATA: Detroit MI (340) Tandem: ANARMIMN20T 🔧 Explore Switch(CLLI: PNCNMIMNRS1))
734-878-6XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	PINCKNEY	PNCNMIMNRS1	N/A	Prefix Type: RBOC Switch Name: PINCKNEY Switch Type: N/A LATA: Detroit MI (340) Tandem: ANARMIMN20T 🔧 Explore Switch(CLLI: PNCNMIMNRS1))
734-878-7XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	PINCKNEY	PNCNMIMNRS1	N/A	Prefix Type: RBOC Switch Name: PINCKNEY Switch Type: N/A LATA: Detroit MI (340) Tandem: ANARMIMN20T 🔧 Explore Switch(CLLI: PNCNMIMNRS1))
734-878-9XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	PINCKNEY	PNCNMIMNRS1	N/A	Prefix Type: RBOC Switch Name: PINCKNEY Switch Type: N/A LATA: Detroit MI (340) Tandem: ANARMIMN20T 🔧 Explore Switch(CLLI: PNCNMIMNRS1))
734-913	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	ANN ARBOR	ANARMIMNDS0	00/00/0000	Prefix Type: RBOC Switch Name: ANN ARBOR DS0 Switch Type: 5ESS LATA: Detroit MI (340) Tandem: ANARMIMN20T 🔧 Explore Switch(CLLI: ANARMIMNDS0))
734-913 is split into 1,000-number blocks - detail below
734-913-0XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	ANN ARBOR	ANARMIMNDS0	N/A	Prefix Type: RBOC Switch Name: ANN ARBOR DS0 Switch Type: 5ESS LATA: Detroit MI (340) Tandem: ANARMIMN20T 🔧 Explore Switch(CLLI: ANARMIMNDS0))
734-913-1XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	ANN ARBOR	ANARMIMNDS0	N/A	Prefix Type: RBOC Switch Name: ANN ARBOR DS0 Switch Type: 5ESS LATA: Detroit MI (340) Tandem: ANARMIMN20T 🔧 Explore Switch(CLLI: ANARMIMNDS0))
734-913-2XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	ANN ARBOR	ANARMIMNDS0	N/A	Prefix Type: RBOC Switch Name: ANN ARBOR DS0 Switch Type: 5ESS LATA: Detroit MI (340) Tandem: ANARMIMN20T 🔧 Explore Switch(CLLI: ANARMIMNDS0))
734-913-4XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	ANN ARBOR	ANARMIMNDS0	N/A	Prefix Type: RBOC Switch Name: ANN ARBOR DS0 Switch Type: 5ESS LATA: Detroit MI (340) Tandem: ANARMIMN20T 🔧 Explore Switch(CLLI: ANARMIMNDS0))
734-913-5XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	ANN ARBOR	ANARMIMNDS0	N/A	Prefix Type: RBOC Switch Name: ANN ARBOR DS0 Switch Type: 5ESS LATA: Detroit MI (340) Tandem: ANARMIMN20T 🔧 Explore Switch(CLLI: ANARMIMNDS0))
734-913-6XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	ANN ARBOR	ANARMIMNDS0	N/A	Prefix Type: RBOC Switch Name: ANN ARBOR DS0 Switch Type: 5ESS LATA: Detroit MI (340) Tandem: ANARMIMN20T 🔧 Explore Switch(CLLI: ANARMIMNDS0))
734-913-7XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	ANN ARBOR	ANARMIMNDS0	N/A	Prefix Type: RBOC Switch Name: ANN ARBOR DS0 Switch Type: 5ESS LATA: Detroit MI (340) Tandem: ANARMIMN20T 🔧 Explore Switch(CLLI: ANARMIMNDS0))
734-913-8XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	ANN ARBOR	ANARMIMNDS0	N/A	Prefix Type: RBOC Switch Name: ANN ARBOR DS0 Switch Type: 5ESS LATA: Detroit MI (340) Tandem: ANARMIMN20T 🔧 Explore Switch(CLLI: ANARMIMNDS0))
734-913-9XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	ANN ARBOR	ANARMIMNDS0	N/A	Prefix Type: RBOC Switch Name: ANN ARBOR DS0 Switch Type: 5ESS LATA: Detroit MI (340) Tandem: ANARMIMN20T 🔧 Explore Switch(CLLI: ANARMIMNDS0))
734-921	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	ROMULUS	RMLSMIMNDS0	09/08/2015	Prefix Type: RBOC Switch Name: ROMULUS Switch Type: DMS100 LATA: Detroit MI (340) Tandem: WAYNMIMN20T 🔧 Explore Switch(CLLI: RMLSMIMNDS0))
734-921 is split into 1,000-number blocks - detail below
734-921-5XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	ROMULUS	RMLSMIMNDS0	09/08/2015	Prefix Type: RBOC Switch Name: ROMULUS Switch Type: DMS100 LATA: Detroit MI (340) Tandem: WAYNMIMN20T 🔧 Explore Switch(CLLI: RMLSMIMNDS0))
734-921-6XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	ROMULUS	RMLSMIMNDS0	09/08/2015	Prefix Type: RBOC Switch Name: ROMULUS Switch Type: DMS100 LATA: Detroit MI (340) Tandem: WAYNMIMN20T 🔧 Explore Switch(CLLI: RMLSMIMNDS0))
734-921-7XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	ROMULUS	RMLSMIMNDS0	09/08/2015	Prefix Type: RBOC Switch Name: ROMULUS Switch Type: DMS100 LATA: Detroit MI (340) Tandem: WAYNMIMN20T 🔧 Explore Switch(CLLI: RMLSMIMNDS0))
734-921-8XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	ROMULUS	RMLSMIMNDS0	09/08/2015	Prefix Type: RBOC Switch Name: ROMULUS Switch Type: DMS100 LATA: Detroit MI (340) Tandem: WAYNMIMN20T 🔧 Explore Switch(CLLI: RMLSMIMNDS0))
734-921-9XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	ROMULUS	RMLSMIMNDS0	09/08/2015	Prefix Type: RBOC Switch Name: ROMULUS Switch Type: DMS100 LATA: Detroit MI (340) Tandem: WAYNMIMN20T 🔧 Explore Switch(CLLI: RMLSMIMNDS0))
734-930	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	ANN ARBOR	ANARMIMNDS0	00/00/0000	Prefix Type: RBOC Switch Name: ANN ARBOR DS0 Switch Type: 5ESS LATA: Detroit MI (340) Tandem: ANARMIMN20T 🔧 Explore Switch(CLLI: ANARMIMNDS0))
734-936	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	ANN ARBOR	ANARMIMNDS0	00/00/0000	Prefix Type: RBOC Switch Name: ANN ARBOR DS0 Switch Type: 5ESS LATA: Detroit MI (340) Tandem: ANARMIMN20T 🔧 Explore Switch(CLLI: ANARMIMNDS0))
734-941	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	ROMULUS	RMLSMIMNDS0	00/00/0000	Prefix Type: RBOC Switch Name: ROMULUS Switch Type: DMS100 LATA: Detroit MI (340) Tandem: WAYNMIMN20T 🔧 Explore Switch(CLLI: RMLSMIMNDS0))
734-942	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	ROMULUS	RMLSMIMNDS0	00/00/0000	Prefix Type: RBOC Switch Name: ROMULUS Switch Type: DMS100 LATA: Detroit MI (340) Tandem: WAYNMIMN20T 🔧 Explore Switch(CLLI: RMLSMIMNDS0))
734-946	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	ROMULUS	TAYLMIWKDS0	00/00/0000	Prefix Type: RBOC Switch Name: TAYLOR WICK Switch Type: 5ESS LATA: Detroit MI (340) Tandem: WAYNMIMN20T 🔧 Explore Switch(CLLI: TAYLMIWKDS0))
734-947	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	ROMULUS	TAYLMIWKDS0	00/00/0000	Prefix Type: RBOC Switch Name: TAYLOR WICK Switch Type: 5ESS LATA: Detroit MI (340) Tandem: WAYNMIMN20T 🔧 Explore Switch(CLLI: TAYLMIWKDS0))
734-947 is split into 1,000-number blocks - detail below
734-947-1XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	ROMULUS	TAYLMIWKDS0	N/A	Prefix Type: RBOC Switch Name: TAYLOR WICK Switch Type: 5ESS LATA: Detroit MI (340) Tandem: WAYNMIMN20T 🔧 Explore Switch(CLLI: TAYLMIWKDS0))
734-947-2XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	ROMULUS	TAYLMIWKDS0	N/A	Prefix Type: RBOC Switch Name: TAYLOR WICK Switch Type: 5ESS LATA: Detroit MI (340) Tandem: WAYNMIMN20T 🔧 Explore Switch(CLLI: TAYLMIWKDS0))
734-947-3XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	ROMULUS	TAYLMIWKDS0	N/A	Prefix Type: RBOC Switch Name: TAYLOR WICK Switch Type: 5ESS LATA: Detroit MI (340) Tandem: WAYNMIMN20T 🔧 Explore Switch(CLLI: TAYLMIWKDS0))
734-947-4XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	ROMULUS	TAYLMIWKDS0	N/A	Prefix Type: RBOC Switch Name: TAYLOR WICK Switch Type: 5ESS LATA: Detroit MI (340) Tandem: WAYNMIMN20T 🔧 Explore Switch(CLLI: TAYLMIWKDS0))
734-947-5XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	ROMULUS	TAYLMIWKDS0	N/A	Prefix Type: RBOC Switch Name: TAYLOR WICK Switch Type: 5ESS LATA: Detroit MI (340) Tandem: WAYNMIMN20T 🔧 Explore Switch(CLLI: TAYLMIWKDS0))
734-947-6XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	ROMULUS	TAYLMIWKDS0	N/A	Prefix Type: RBOC Switch Name: TAYLOR WICK Switch Type: 5ESS LATA: Detroit MI (340) Tandem: WAYNMIMN20T 🔧 Explore Switch(CLLI: TAYLMIWKDS0))
734-947-7XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	ROMULUS	TAYLMIWKDS0	N/A	Prefix Type: RBOC Switch Name: TAYLOR WICK Switch Type: 5ESS LATA: Detroit MI (340) Tandem: WAYNMIMN20T 🔧 Explore Switch(CLLI: TAYLMIWKDS0))
734-947-9XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	ROMULUS	TAYLMIWKDS0	N/A	Prefix Type: RBOC Switch Name: TAYLOR WICK Switch Type: 5ESS LATA: Detroit MI (340) Tandem: WAYNMIMN20T 🔧 Explore Switch(CLLI: TAYLMIWKDS0))
734-953	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	LIVONIA	LIVNMINWDS0	00/00/0000	Prefix Type: RBOC Switch Name: LIVONIA NW DS0 Switch Type: DMS100 LATA: Detroit MI (340) Tandem: ANARMIMN20T 🔧 Explore Switch(CLLI: LIVNMINWDS0))
734-954	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	PINCKNEY	PNCNMIMNRS1	00/00/0000	Prefix Type: RBOC Switch Name: PINCKNEY Switch Type: N/A LATA: Detroit MI (340) Tandem: ANARMIMN20T 🔧 Explore Switch(CLLI: PNCNMIMNRS1))
734-954 is split into 1,000-number blocks - detail below
734-954-0XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	PINCKNEY	PNCNMIMNRS1	N/A	Prefix Type: RBOC Switch Name: PINCKNEY Switch Type: N/A LATA: Detroit MI (340) Tandem: ANARMIMN20T 🔧 Explore Switch(CLLI: PNCNMIMNRS1))
734-955	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	ROMULUS	RMLSMIMNDS0	00/00/0000	Prefix Type: RBOC Switch Name: ROMULUS Switch Type: DMS100 LATA: Detroit MI (340) Tandem: WAYNMIMN20T 🔧 Explore Switch(CLLI: RMLSMIMNDS0))
734-955 is split into 1,000-number blocks - detail below
734-955-1XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	ROMULUS	RMLSMIMNDS0	N/A	Prefix Type: RBOC Switch Name: ROMULUS Switch Type: DMS100 LATA: Detroit MI (340) Tandem: WAYNMIMN20T 🔧 Explore Switch(CLLI: RMLSMIMNDS0))
734-955-2XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	ROMULUS	RMLSMIMNDS0	N/A	Prefix Type: RBOC Switch Name: ROMULUS Switch Type: DMS100 LATA: Detroit MI (340) Tandem: WAYNMIMN20T 🔧 Explore Switch(CLLI: RMLSMIMNDS0))
734-955-3XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	ROMULUS	RMLSMIMNDS0	N/A	Prefix Type: RBOC Switch Name: ROMULUS Switch Type: DMS100 LATA: Detroit MI (340) Tandem: WAYNMIMN20T 🔧 Explore Switch(CLLI: RMLSMIMNDS0))
734-955-4XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	ROMULUS	RMLSMIMNDS0	N/A	Prefix Type: RBOC Switch Name: ROMULUS Switch Type: DMS100 LATA: Detroit MI (340) Tandem: WAYNMIMN20T 🔧 Explore Switch(CLLI: RMLSMIMNDS0))
734-955-5XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	ROMULUS	RMLSMIMNDS0	N/A	Prefix Type: RBOC Switch Name: ROMULUS Switch Type: DMS100 LATA: Detroit MI (340) Tandem: WAYNMIMN20T 🔧 Explore Switch(CLLI: RMLSMIMNDS0))
734-955-6XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	ROMULUS	RMLSMIMNDS0	N/A	Prefix Type: RBOC Switch Name: ROMULUS Switch Type: DMS100 LATA: Detroit MI (340) Tandem: WAYNMIMN20T 🔧 Explore Switch(CLLI: RMLSMIMNDS0))
734-955-7XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	ROMULUS	RMLSMIMNDS0	N/A	Prefix Type: RBOC Switch Name: ROMULUS Switch Type: DMS100 LATA: Detroit MI (340) Tandem: WAYNMIMN20T 🔧 Explore Switch(CLLI: RMLSMIMNDS0))
734-955-8XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	ROMULUS	RMLSMIMNDS0	N/A	Prefix Type: RBOC Switch Name: ROMULUS Switch Type: DMS100 LATA: Detroit MI (340) Tandem: WAYNMIMN20T 🔧 Explore Switch(CLLI: RMLSMIMNDS0))
734-955-9XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	ROMULUS	RMLSMIMNDS0	N/A	Prefix Type: RBOC Switch Name: ROMULUS Switch Type: DMS100 LATA: Detroit MI (340) Tandem: WAYNMIMN20T 🔧 Explore Switch(CLLI: RMLSMIMNDS0))
734-957	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	BELLEVILLE	BLVLMINEDS0	00/00/0000	Prefix Type: RBOC Switch Name: BELLEVILLE NE Switch Type: DMS100 LATA: Detroit MI (340) Tandem: ANARMIMN20T 🔧 Explore Switch(CLLI: BLVLMINEDS0))
734-957 is split into 1,000-number blocks - detail below
734-957-0XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	BELLEVILLE	BLVLMINEDS0	N/A	Prefix Type: RBOC Switch Name: BELLEVILLE NE Switch Type: DMS100 LATA: Detroit MI (340) Tandem: ANARMIMN20T 🔧 Explore Switch(CLLI: BLVLMINEDS0))
734-957-1XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	BELLEVILLE	BLVLMINEDS0	N/A	Prefix Type: RBOC Switch Name: BELLEVILLE NE Switch Type: DMS100 LATA: Detroit MI (340) Tandem: ANARMIMN20T 🔧 Explore Switch(CLLI: BLVLMINEDS0))
734-957-5XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	BELLEVILLE	BLVLMINEDS0	N/A	Prefix Type: RBOC Switch Name: BELLEVILLE NE Switch Type: DMS100 LATA: Detroit MI (340) Tandem: ANARMIMN20T 🔧 Explore Switch(CLLI: BLVLMINEDS0))
734-957-8XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	BELLEVILLE	BLVLMINEDS0	N/A	Prefix Type: RBOC Switch Name: BELLEVILLE NE Switch Type: DMS100 LATA: Detroit MI (340) Tandem: ANARMIMN20T 🔧 Explore Switch(CLLI: BLVLMINEDS0))
734-957-9XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	BELLEVILLE	BLVLMINEDS0	N/A	Prefix Type: RBOC Switch Name: BELLEVILLE NE Switch Type: DMS100 LATA: Detroit MI (340) Tandem: ANARMIMN20T 🔧 Explore Switch(CLLI: BLVLMINEDS0))
734-971	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	ANN ARBOR	ANARMISEDS0	00/00/0000	Prefix Type: RBOC Switch Name: ANN ARBOR SE Switch Type: DMS100 LATA: Detroit MI (340) Tandem: ANARMIMN20T 🔧 Explore Switch(CLLI: ANARMISEDS0))
734-973	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	ANN ARBOR	ANARMISEDS0	00/00/0000	Prefix Type: RBOC Switch Name: ANN ARBOR SE Switch Type: DMS100 LATA: Detroit MI (340) Tandem: ANARMIMN20T 🔧 Explore Switch(CLLI: ANARMISEDS0))
734-975	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	ANN ARBOR	ANARMISEDS0	00/00/0000	Prefix Type: RBOC Switch Name: ANN ARBOR SE Switch Type: DMS100 LATA: Detroit MI (340) Tandem: ANARMIMN20T 🔧 Explore Switch(CLLI: ANARMISEDS0))
734-979 is split into 1,000-number blocks - detail below
734-979-2XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	PLYMOUTH	LIVNMINWDS0	12/01/2006	Prefix Type: RBOC Switch Name: LIVONIA NW DS0 Switch Type: DMS100 LATA: Detroit MI (340) Tandem: ANARMIMN20T 🔧 Explore Switch(CLLI: LIVNMINWDS0))
734-979-3XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	PLYMOUTH	LIVNMINWDS0	12/01/2006	Prefix Type: RBOC Switch Name: LIVONIA NW DS0 Switch Type: DMS100 LATA: Detroit MI (340) Tandem: ANARMIMN20T 🔧 Explore Switch(CLLI: LIVNMINWDS0))
734-979-4XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	PLYMOUTH	LIVNMINWDS0	12/01/2006	Prefix Type: RBOC Switch Name: LIVONIA NW DS0 Switch Type: DMS100 LATA: Detroit MI (340) Tandem: ANARMIMN20T 🔧 Explore Switch(CLLI: LIVNMINWDS0))
734-979-5XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	PLYMOUTH	LIVNMINWDS0	12/12/2006	Prefix Type: RBOC Switch Name: LIVONIA NW DS0 Switch Type: DMS100 LATA: Detroit MI (340) Tandem: ANARMIMN20T 🔧 Explore Switch(CLLI: LIVNMINWDS0))
734-981	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	PLYMOUTH	WAYNMINWDS0	00/00/0000	Prefix Type: RBOC Switch Name: WAYNE NW Switch Type: EWSD LATA: Detroit MI (340) Tandem: ANARMIMN20T 🔧 Explore Switch(CLLI: WAYNMINWDS0))
734-983	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	PLYMOUTH	WAYNMINWDS0	00/00/0000	Prefix Type: RBOC Switch Name: WAYNE NW Switch Type: EWSD LATA: Detroit MI (340) Tandem: ANARMIMN20T 🔧 Explore Switch(CLLI: WAYNMINWDS0))
734-983 is split into 1,000-number blocks - detail below
734-983-0XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	PLYMOUTH	WAYNMINWDS0	N/A	Prefix Type: RBOC Switch Name: WAYNE NW Switch Type: EWSD LATA: Detroit MI (340) Tandem: ANARMIMN20T 🔧 Explore Switch(CLLI: WAYNMINWDS0))
734-983-1XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	PLYMOUTH	WAYNMINWDS0	N/A	Prefix Type: RBOC Switch Name: WAYNE NW Switch Type: EWSD LATA: Detroit MI (340) Tandem: ANARMIMN20T 🔧 Explore Switch(CLLI: WAYNMINWDS0))
734-983-2XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	PLYMOUTH	WAYNMINWDS0	N/A	Prefix Type: RBOC Switch Name: WAYNE NW Switch Type: EWSD LATA: Detroit MI (340) Tandem: ANARMIMN20T 🔧 Explore Switch(CLLI: WAYNMINWDS0))
734-983-3XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	PLYMOUTH	WAYNMINWDS0	N/A	Prefix Type: RBOC Switch Name: WAYNE NW Switch Type: EWSD LATA: Detroit MI (340) Tandem: ANARMIMN20T 🔧 Explore Switch(CLLI: WAYNMINWDS0))
734-983-4XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	PLYMOUTH	WAYNMINWDS0	N/A	Prefix Type: RBOC Switch Name: WAYNE NW Switch Type: EWSD LATA: Detroit MI (340) Tandem: ANARMIMN20T 🔧 Explore Switch(CLLI: WAYNMINWDS0))
734-983-5XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	PLYMOUTH	WAYNMINWDS0	N/A	Prefix Type: RBOC Switch Name: WAYNE NW Switch Type: EWSD LATA: Detroit MI (340) Tandem: ANARMIMN20T 🔧 Explore Switch(CLLI: WAYNMINWDS0))
734-983-6XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	PLYMOUTH	WAYNMINWDS0	N/A	Prefix Type: RBOC Switch Name: WAYNE NW Switch Type: EWSD LATA: Detroit MI (340) Tandem: ANARMIMN20T 🔧 Explore Switch(CLLI: WAYNMINWDS0))
734-983-7XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	PLYMOUTH	WAYNMINWDS0	N/A	Prefix Type: RBOC Switch Name: WAYNE NW Switch Type: EWSD LATA: Detroit MI (340) Tandem: ANARMIMN20T 🔧 Explore Switch(CLLI: WAYNMINWDS0))
734-983-9XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	PLYMOUTH	WAYNMINWDS0	N/A	Prefix Type: RBOC Switch Name: WAYNE NW Switch Type: EWSD LATA: Detroit MI (340) Tandem: ANARMIMN20T 🔧 Explore Switch(CLLI: WAYNMINWDS0))
734-994	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	ANN ARBOR	ANARMIMNDS0	00/00/0000	Prefix Type: RBOC Switch Name: ANN ARBOR DS0 Switch Type: 5ESS LATA: Detroit MI (340) Tandem: ANARMIMN20T 🔧 Explore Switch(CLLI: ANARMIMNDS0))
734-995	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	ANN ARBOR	ANARMIMNDS0	00/00/0000	Prefix Type: RBOC Switch Name: ANN ARBOR DS0 Switch Type: 5ESS LATA: Detroit MI (340) Tandem: ANARMIMN20T 🔧 Explore Switch(CLLI: ANARMIMNDS0))
734-996	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	ANN ARBOR	ANARMIMNDS0	00/00/0000	Prefix Type: RBOC Switch Name: ANN ARBOR DS0 Switch Type: 5ESS LATA: Detroit MI (340) Tandem: ANARMIMN20T 🔧 Explore Switch(CLLI: ANARMIMNDS0))
734-996 is split into 1,000-number blocks - detail below
734-996-0XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	ANN ARBOR	ANARMIMNDS0	N/A	Prefix Type: RBOC Switch Name: ANN ARBOR DS0 Switch Type: 5ESS LATA: Detroit MI (340) Tandem: ANARMIMN20T 🔧 Explore Switch(CLLI: ANARMIMNDS0))
734-996-1XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	ANN ARBOR	ANARMIMNDS0	N/A	Prefix Type: RBOC Switch Name: ANN ARBOR DS0 Switch Type: 5ESS LATA: Detroit MI (340) Tandem: ANARMIMN20T 🔧 Explore Switch(CLLI: ANARMIMNDS0))
734-996-2XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	ANN ARBOR	ANARMIMNDS0	N/A	Prefix Type: RBOC Switch Name: ANN ARBOR DS0 Switch Type: 5ESS LATA: Detroit MI (340) Tandem: ANARMIMN20T 🔧 Explore Switch(CLLI: ANARMIMNDS0))
734-996-3XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	ANN ARBOR	ANARMIMNDS0	N/A	Prefix Type: RBOC Switch Name: ANN ARBOR DS0 Switch Type: 5ESS LATA: Detroit MI (340) Tandem: ANARMIMN20T 🔧 Explore Switch(CLLI: ANARMIMNDS0))
734-996-4XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	ANN ARBOR	ANARMIMNDS0	N/A	Prefix Type: RBOC Switch Name: ANN ARBOR DS0 Switch Type: 5ESS LATA: Detroit MI (340) Tandem: ANARMIMN20T 🔧 Explore Switch(CLLI: ANARMIMNDS0))
734-996-5XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	ANN ARBOR	ANARMIMNDS0	N/A	Prefix Type: RBOC Switch Name: ANN ARBOR DS0 Switch Type: 5ESS LATA: Detroit MI (340) Tandem: ANARMIMN20T 🔧 Explore Switch(CLLI: ANARMIMNDS0))
734-996-6XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	ANN ARBOR	ANARMIMNDS0	N/A	Prefix Type: RBOC Switch Name: ANN ARBOR DS0 Switch Type: 5ESS LATA: Detroit MI (340) Tandem: ANARMIMN20T 🔧 Explore Switch(CLLI: ANARMIMNDS0))
734-996-8XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	ANN ARBOR	ANARMIMNDS0	N/A	Prefix Type: RBOC Switch Name: ANN ARBOR DS0 Switch Type: 5ESS LATA: Detroit MI (340) Tandem: ANARMIMN20T 🔧 Explore Switch(CLLI: ANARMIMNDS0))
734-996-9XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	ANN ARBOR	ANARMIMNDS0	N/A	Prefix Type: RBOC Switch Name: ANN ARBOR DS0 Switch Type: 5ESS LATA: Detroit MI (340) Tandem: ANARMIMN20T 🔧 Explore Switch(CLLI: ANARMIMNDS0))
734-997	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	ANN ARBOR	ANARMIMNDS0	00/00/0000	Prefix Type: RBOC Switch Name: ANN ARBOR DS0 Switch Type: 5ESS LATA: Detroit MI (340) Tandem: ANARMIMN20T 🔧 Explore Switch(CLLI: ANARMIMNDS0))
734-997 is split into 1,000-number blocks - detail below
734-997-0XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	ANN ARBOR	ANARMIMNDS0	N/A	Prefix Type: RBOC Switch Name: ANN ARBOR DS0 Switch Type: 5ESS LATA: Detroit MI (340) Tandem: ANARMIMN20T 🔧 Explore Switch(CLLI: ANARMIMNDS0))
734-997-1XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	ANN ARBOR	ANARMIMNDS0	N/A	Prefix Type: RBOC Switch Name: ANN ARBOR DS0 Switch Type: 5ESS LATA: Detroit MI (340) Tandem: ANARMIMN20T 🔧 Explore Switch(CLLI: ANARMIMNDS0))
734-997-2XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	ANN ARBOR	ANARMIMNDS0	N/A	Prefix Type: RBOC Switch Name: ANN ARBOR DS0 Switch Type: 5ESS LATA: Detroit MI (340) Tandem: ANARMIMN20T 🔧 Explore Switch(CLLI: ANARMIMNDS0))
734-997-3XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	ANN ARBOR	ANARMIMNDS0	N/A	Prefix Type: RBOC Switch Name: ANN ARBOR DS0 Switch Type: 5ESS LATA: Detroit MI (340) Tandem: ANARMIMN20T 🔧 Explore Switch(CLLI: ANARMIMNDS0))
734-997-4XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	ANN ARBOR	ANARMIMNDS0	N/A	Prefix Type: RBOC Switch Name: ANN ARBOR DS0 Switch Type: 5ESS LATA: Detroit MI (340) Tandem: ANARMIMN20T 🔧 Explore Switch(CLLI: ANARMIMNDS0))
734-997-6XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	ANN ARBOR	ANARMIMNDS0	N/A	Prefix Type: RBOC Switch Name: ANN ARBOR DS0 Switch Type: 5ESS LATA: Detroit MI (340) Tandem: ANARMIMN20T 🔧 Explore Switch(CLLI: ANARMIMNDS0))
734-997-7XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	ANN ARBOR	ANARMIMNDS0	N/A	Prefix Type: RBOC Switch Name: ANN ARBOR DS0 Switch Type: 5ESS LATA: Detroit MI (340) Tandem: ANARMIMN20T 🔧 Explore Switch(CLLI: ANARMIMNDS0))
734-997-8XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	ANN ARBOR	ANARMIMNDS0	N/A	Prefix Type: RBOC Switch Name: ANN ARBOR DS0 Switch Type: 5ESS LATA: Detroit MI (340) Tandem: ANARMIMN20T 🔧 Explore Switch(CLLI: ANARMIMNDS0))
734-997-9XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	ANN ARBOR	ANARMIMNDS0	N/A	Prefix Type: RBOC Switch Name: ANN ARBOR DS0 Switch Type: 5ESS LATA: Detroit MI (340) Tandem: ANARMIMN20T 🔧 Explore Switch(CLLI: ANARMIMNDS0))
734-998	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	ANN ARBOR	ANARMIMNDS0	00/00/0000	Prefix Type: RBOC Switch Name: ANN ARBOR DS0 Switch Type: 5ESS LATA: Detroit MI (340) Tandem: ANARMIMN20T 🔧 Explore Switch(CLLI: ANARMIMNDS0))
810-220	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	BRIGHTON	BITNMIESDS0	00/00/0000	Prefix Type: RBOC Switch Name: BRIGHTON ES Switch Type: DMS100 LATA: Detroit MI (340) Tandem: ANARMIMN20T 🔧 Explore Switch(CLLI: BITNMIESDS0))
810-220 is split into 1,000-number blocks - detail below
810-220-0XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	BRIGHTON	BITNMIESDS0	N/A	Prefix Type: RBOC Switch Name: BRIGHTON ES Switch Type: DMS100 LATA: Detroit MI (340) Tandem: ANARMIMN20T 🔧 Explore Switch(CLLI: BITNMIESDS0))
810-220-1XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	BRIGHTON	BITNMIESDS0	N/A	Prefix Type: RBOC Switch Name: BRIGHTON ES Switch Type: DMS100 LATA: Detroit MI (340) Tandem: ANARMIMN20T 🔧 Explore Switch(CLLI: BITNMIESDS0))
810-220-2XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	BRIGHTON	BITNMIESDS0	N/A	Prefix Type: RBOC Switch Name: BRIGHTON ES Switch Type: DMS100 LATA: Detroit MI (340) Tandem: ANARMIMN20T 🔧 Explore Switch(CLLI: BITNMIESDS0))
810-220-3XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	BRIGHTON	BITNMIESDS0	N/A	Prefix Type: RBOC Switch Name: BRIGHTON ES Switch Type: DMS100 LATA: Detroit MI (340) Tandem: ANARMIMN20T 🔧 Explore Switch(CLLI: BITNMIESDS0))
810-220-4XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	BRIGHTON	BITNMIESDS0	N/A	Prefix Type: RBOC Switch Name: BRIGHTON ES Switch Type: DMS100 LATA: Detroit MI (340) Tandem: ANARMIMN20T 🔧 Explore Switch(CLLI: BITNMIESDS0))
810-220-5XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	BRIGHTON	BITNMIESDS0	N/A	Prefix Type: RBOC Switch Name: BRIGHTON ES Switch Type: DMS100 LATA: Detroit MI (340) Tandem: ANARMIMN20T 🔧 Explore Switch(CLLI: BITNMIESDS0))
810-220-6XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	BRIGHTON	BITNMIESDS0	N/A	Prefix Type: RBOC Switch Name: BRIGHTON ES Switch Type: DMS100 LATA: Detroit MI (340) Tandem: ANARMIMN20T 🔧 Explore Switch(CLLI: BITNMIESDS0))
810-220-7XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	BRIGHTON	BITNMIESDS0	N/A	Prefix Type: RBOC Switch Name: BRIGHTON ES Switch Type: DMS100 LATA: Detroit MI (340) Tandem: ANARMIMN20T 🔧 Explore Switch(CLLI: BITNMIESDS0))
810-220-8XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	BRIGHTON	BITNMIESDS0	N/A	Prefix Type: RBOC Switch Name: BRIGHTON ES Switch Type: DMS100 LATA: Detroit MI (340) Tandem: ANARMIMN20T 🔧 Explore Switch(CLLI: BITNMIESDS0))
810-225	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	BRIGHTON	BITNMIESDS0	00/00/0000	Prefix Type: RBOC Switch Name: BRIGHTON ES Switch Type: DMS100 LATA: Detroit MI (340) Tandem: ANARMIMN20T 🔧 Explore Switch(CLLI: BITNMIESDS0))
810-227	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	BRIGHTON	BITNMIESDS0	00/00/0000	Prefix Type: RBOC Switch Name: BRIGHTON ES Switch Type: DMS100 LATA: Detroit MI (340) Tandem: ANARMIMN20T 🔧 Explore Switch(CLLI: BITNMIESDS0))
810-229	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	BRIGHTON	BITNMIESDS0	00/00/0000	Prefix Type: RBOC Switch Name: BRIGHTON ES Switch Type: DMS100 LATA: Detroit MI (340) Tandem: ANARMIMN20T 🔧 Explore Switch(CLLI: BITNMIESDS0))
810-230	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	FLINT	FLNTMINWDS0	00/00/0000	Prefix Type: RBOC Switch Name: FLINT NW DS0 Switch Type: 5ESS LATA: Detroit MI (340) Tandem: TROYMIMN55T 🔧 Explore Switch(CLLI: FLNTMINWDS0))
810-230 is split into 1,000-number blocks - detail below
810-230-0XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	FLINT	FLNTMINWDS0	N/A	Prefix Type: RBOC Switch Name: FLINT NW DS0 Switch Type: 5ESS LATA: Detroit MI (340) Tandem: TROYMIMN55T 🔧 Explore Switch(CLLI: FLNTMINWDS0))
810-230-1XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	FLINT	FLNTMINWDS0	N/A	Prefix Type: RBOC Switch Name: FLINT NW DS0 Switch Type: 5ESS LATA: Detroit MI (340) Tandem: TROYMIMN55T 🔧 Explore Switch(CLLI: FLNTMINWDS0))
810-230-2XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	FLINT	FLNTMINWDS0	N/A	Prefix Type: RBOC Switch Name: FLINT NW DS0 Switch Type: 5ESS LATA: Detroit MI (340) Tandem: TROYMIMN55T 🔧 Explore Switch(CLLI: FLNTMINWDS0))
810-230-3XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	FLINT	FLNTMINWDS0	N/A	Prefix Type: RBOC Switch Name: FLINT NW DS0 Switch Type: 5ESS LATA: Detroit MI (340) Tandem: TROYMIMN55T 🔧 Explore Switch(CLLI: FLNTMINWDS0))
810-230-5XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	FLINT	FLNTMINWDS0	N/A	Prefix Type: RBOC Switch Name: FLINT NW DS0 Switch Type: 5ESS LATA: Detroit MI (340) Tandem: TROYMIMN55T 🔧 Explore Switch(CLLI: FLNTMINWDS0))
810-230-6XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	FLINT	FLNTMINWDS0	N/A	Prefix Type: RBOC Switch Name: FLINT NW DS0 Switch Type: 5ESS LATA: Detroit MI (340) Tandem: TROYMIMN55T 🔧 Explore Switch(CLLI: FLNTMINWDS0))
810-230-7XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	FLINT	FLNTMINWDS0	N/A	Prefix Type: RBOC Switch Name: FLINT NW DS0 Switch Type: 5ESS LATA: Detroit MI (340) Tandem: TROYMIMN55T 🔧 Explore Switch(CLLI: FLNTMINWDS0))
810-230-8XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	FLINT	FLNTMINWDS0	N/A	Prefix Type: RBOC Switch Name: FLINT NW DS0 Switch Type: 5ESS LATA: Detroit MI (340) Tandem: TROYMIMN55T 🔧 Explore Switch(CLLI: FLNTMINWDS0))
810-230-9XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	FLINT	FLNTMINWDS0	N/A	Prefix Type: RBOC Switch Name: FLINT NW DS0 Switch Type: 5ESS LATA: Detroit MI (340) Tandem: TROYMIMN55T 🔧 Explore Switch(CLLI: FLNTMINWDS0))
810-231	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	BRIGHTON	HMBGMIMNRSA	00/00/0000	Prefix Type: RBOC Switch Name: HAMBURG Switch Type: N/A LATA: Detroit MI (340) Tandem: ANARMIMN20T 🔧 Explore Switch(CLLI: HMBGMIMNRSA))
810-231 is split into 1,000-number blocks - detail below
810-231-0XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	BRIGHTON	HMBGMIMNRSA	N/A	Prefix Type: RBOC Switch Name: HAMBURG Switch Type: N/A LATA: Detroit MI (340) Tandem: ANARMIMN20T 🔧 Explore Switch(CLLI: HMBGMIMNRSA))
810-231-1XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	BRIGHTON	HMBGMIMNRSA	N/A	Prefix Type: RBOC Switch Name: HAMBURG Switch Type: N/A LATA: Detroit MI (340) Tandem: ANARMIMN20T 🔧 Explore Switch(CLLI: HMBGMIMNRSA))
810-231-2XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	BRIGHTON	HMBGMIMNRSA	N/A	Prefix Type: RBOC Switch Name: HAMBURG Switch Type: N/A LATA: Detroit MI (340) Tandem: ANARMIMN20T 🔧 Explore Switch(CLLI: HMBGMIMNRSA))
810-231-3XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	BRIGHTON	HMBGMIMNRSA	N/A	Prefix Type: RBOC Switch Name: HAMBURG Switch Type: N/A LATA: Detroit MI (340) Tandem: ANARMIMN20T 🔧 Explore Switch(CLLI: HMBGMIMNRSA))
810-231-4XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	BRIGHTON	HMBGMIMNRSA	N/A	Prefix Type: RBOC Switch Name: HAMBURG Switch Type: N/A LATA: Detroit MI (340) Tandem: ANARMIMN20T 🔧 Explore Switch(CLLI: HMBGMIMNRSA))
810-231-6XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	BRIGHTON	HMBGMIMNRSA	N/A	Prefix Type: RBOC Switch Name: HAMBURG Switch Type: N/A LATA: Detroit MI (340) Tandem: ANARMIMN20T 🔧 Explore Switch(CLLI: HMBGMIMNRSA))
810-231-7XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	BRIGHTON	HMBGMIMNRSA	N/A	Prefix Type: RBOC Switch Name: HAMBURG Switch Type: N/A LATA: Detroit MI (340) Tandem: ANARMIMN20T 🔧 Explore Switch(CLLI: HMBGMIMNRSA))
810-231-8XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	BRIGHTON	HMBGMIMNRSA	N/A	Prefix Type: RBOC Switch Name: HAMBURG Switch Type: N/A LATA: Detroit MI (340) Tandem: ANARMIMN20T 🔧 Explore Switch(CLLI: HMBGMIMNRSA))
810-231-9XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	BRIGHTON	HMBGMIMNRSA	N/A	Prefix Type: RBOC Switch Name: HAMBURG Switch Type: N/A LATA: Detroit MI (340) Tandem: ANARMIMN20T 🔧 Explore Switch(CLLI: HMBGMIMNRSA))
810-232	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	FLINT	FLNTMIMNDS1	00/00/0000	Prefix Type: RBOC Switch Name: FLINT DS1 Switch Type: DMS100 LATA: Detroit MI (340) Tandem: TROYMIMN55T 🔧 Explore Switch(CLLI: FLNTMIMNDS1))
810-233	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	FLINT	FLNTMIMNDS1	00/00/0000	Prefix Type: RBOC Switch Name: FLINT DS1 Switch Type: DMS100 LATA: Detroit MI (340) Tandem: TROYMIMN55T 🔧 Explore Switch(CLLI: FLNTMIMNDS1))
810-234	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	FLINT	FLNTMIMNDS1	00/00/0000	Prefix Type: RBOC Switch Name: FLINT DS1 Switch Type: DMS100 LATA: Detroit MI (340) Tandem: TROYMIMN55T 🔧 Explore Switch(CLLI: FLNTMIMNDS1))
810-235	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	FLINT	FLNTMIMNDS1	00/00/0000	Prefix Type: RBOC Switch Name: FLINT DS1 Switch Type: DMS100 LATA: Detroit MI (340) Tandem: TROYMIMN55T 🔧 Explore Switch(CLLI: FLNTMIMNDS1))
810-236	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	FLINT	FLNTMIMNDS1	00/00/0000	Prefix Type: RBOC Switch Name: FLINT DS1 Switch Type: DMS100 LATA: Detroit MI (340) Tandem: TROYMIMN55T 🔧 Explore Switch(CLLI: FLNTMIMNDS1))
810-237	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	FLINT	FLNTMIMNDS1	00/00/0000	Prefix Type: RBOC Switch Name: FLINT DS1 Switch Type: DMS100 LATA: Detroit MI (340) Tandem: TROYMIMN55T 🔧 Explore Switch(CLLI: FLNTMIMNDS1))
810-237 is split into 1,000-number blocks - detail below
810-237-2XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	FLINT	FLNTMIMNDS1	N/A	Prefix Type: RBOC Switch Name: FLINT DS1 Switch Type: DMS100 LATA: Detroit MI (340) Tandem: TROYMIMN55T 🔧 Explore Switch(CLLI: FLNTMIMNDS1))
810-237-3XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	FLINT	FLNTMIMNDS1	N/A	Prefix Type: RBOC Switch Name: FLINT DS1 Switch Type: DMS100 LATA: Detroit MI (340) Tandem: TROYMIMN55T 🔧 Explore Switch(CLLI: FLNTMIMNDS1))
810-237-4XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	FLINT	FLNTMIMNDS1	N/A	Prefix Type: RBOC Switch Name: FLINT DS1 Switch Type: DMS100 LATA: Detroit MI (340) Tandem: TROYMIMN55T 🔧 Explore Switch(CLLI: FLNTMIMNDS1))
810-237-5XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	FLINT	FLNTMIMNDS1	N/A	Prefix Type: RBOC Switch Name: FLINT DS1 Switch Type: DMS100 LATA: Detroit MI (340) Tandem: TROYMIMN55T 🔧 Explore Switch(CLLI: FLNTMIMNDS1))
810-237-6XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	FLINT	FLNTMIMNDS1	N/A	Prefix Type: RBOC Switch Name: FLINT DS1 Switch Type: DMS100 LATA: Detroit MI (340) Tandem: TROYMIMN55T 🔧 Explore Switch(CLLI: FLNTMIMNDS1))
810-237-7XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	FLINT	FLNTMIMNDS1	N/A	Prefix Type: RBOC Switch Name: FLINT DS1 Switch Type: DMS100 LATA: Detroit MI (340) Tandem: TROYMIMN55T 🔧 Explore Switch(CLLI: FLNTMIMNDS1))
810-237-8XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	FLINT	FLNTMIMNDS1	N/A	Prefix Type: RBOC Switch Name: FLINT DS1 Switch Type: DMS100 LATA: Detroit MI (340) Tandem: TROYMIMN55T 🔧 Explore Switch(CLLI: FLNTMIMNDS1))
810-238	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	FLINT	FLNTMIMNDS1	00/00/0000	Prefix Type: RBOC Switch Name: FLINT DS1 Switch Type: DMS100 LATA: Detroit MI (340) Tandem: TROYMIMN55T 🔧 Explore Switch(CLLI: FLNTMIMNDS1))
810-239	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	FLINT	FLNTMIMNDS1	00/00/0000	Prefix Type: RBOC Switch Name: FLINT DS1 Switch Type: DMS100 LATA: Detroit MI (340) Tandem: TROYMIMN55T 🔧 Explore Switch(CLLI: FLNTMIMNDS1))
810-245	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	LAPEER	LPERMILPDS0	00/00/0000	Prefix Type: RBOC Switch Name: LAPEER Switch Type: EWSD LATA: Detroit MI (340) Tandem: TROYMIMN55T 🔧 Explore Switch(CLLI: LPERMILPDS0))
810-250	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	FLINT	FLNTMINEDS0	00/00/0000	Prefix Type: RBOC Switch Name: FLINT NE DS0 Switch Type: EWSD LATA: Detroit MI (340) Tandem: TROYMIMN55T 🔧 Explore Switch(CLLI: FLNTMINEDS0))
810-250 is split into 1,000-number blocks - detail below
810-250-0XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	FLINT	FLNTMINEDS0	N/A	Prefix Type: RBOC Switch Name: FLINT NE DS0 Switch Type: EWSD LATA: Detroit MI (340) Tandem: TROYMIMN55T 🔧 Explore Switch(CLLI: FLNTMINEDS0))
810-250-2XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	FLINT	FLNTMINEDS0	N/A	Prefix Type: RBOC Switch Name: FLINT NE DS0 Switch Type: EWSD LATA: Detroit MI (340) Tandem: TROYMIMN55T 🔧 Explore Switch(CLLI: FLNTMINEDS0))
810-250-6XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	FLINT	FLNTMINEDS0	N/A	Prefix Type: RBOC Switch Name: FLINT NE DS0 Switch Type: EWSD LATA: Detroit MI (340) Tandem: TROYMIMN55T 🔧 Explore Switch(CLLI: FLNTMINEDS0))
810-250-9XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	FLINT	FLNTMINEDS0	N/A	Prefix Type: RBOC Switch Name: FLINT NE DS0 Switch Type: EWSD LATA: Detroit MI (340) Tandem: TROYMIMN55T 🔧 Explore Switch(CLLI: FLNTMINEDS0))
810-251	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	FLINT	FLNTMIMNDS1	00/00/0000	Prefix Type: RBOC Switch Name: FLINT DS1 Switch Type: DMS100 LATA: Detroit MI (340) Tandem: TROYMIMN55T 🔧 Explore Switch(CLLI: FLNTMIMNDS1))
810-257	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	FLINT	FLNTMIMNDS1	00/00/0000	Prefix Type: RBOC Switch Name: FLINT DS1 Switch Type: DMS100 LATA: Detroit MI (340) Tandem: TROYMIMN55T 🔧 Explore Switch(CLLI: FLNTMIMNDS1))
810-266	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	BYRON	BYRNMIBYRSA	00/00/0000	Prefix Type: RBOC Switch Name: BYRON Switch Type: N/A LATA: Detroit MI (340) Tandem: TROYMIMN55T 🔧 Explore Switch(CLLI: BYRNMIBYRSA))
810-266 is split into 1,000-number blocks - detail below
810-266-4XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	BYRON	BYRNMIBYRSA	N/A	Prefix Type: RBOC Switch Name: BYRON Switch Type: N/A LATA: Detroit MI (340) Tandem: TROYMIMN55T 🔧 Explore Switch(CLLI: BYRNMIBYRSA))
810-266-5XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	BYRON	BYRNMIBYRSA	N/A	Prefix Type: RBOC Switch Name: BYRON Switch Type: N/A LATA: Detroit MI (340) Tandem: TROYMIMN55T 🔧 Explore Switch(CLLI: BYRNMIBYRSA))
810-266-6XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	BYRON	BYRNMIBYRSA	N/A	Prefix Type: RBOC Switch Name: BYRON Switch Type: N/A LATA: Detroit MI (340) Tandem: TROYMIMN55T 🔧 Explore Switch(CLLI: BYRNMIBYRSA))
810-282	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	FLINT	FLNTMIMNDS1	08/06/2002	Prefix Type: RBOC Switch Name: FLINT DS1 Switch Type: DMS100 LATA: Detroit MI (340) Tandem: TROYMIMN55T 🔧 Explore Switch(CLLI: FLNTMIMNDS1))
810-282 is split into 1,000-number blocks - detail below
810-282-0XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	FLINT	FLNTMIMNDS1	N/A	Prefix Type: RBOC Switch Name: FLINT DS1 Switch Type: DMS100 LATA: Detroit MI (340) Tandem: TROYMIMN55T 🔧 Explore Switch(CLLI: FLNTMIMNDS1))
810-301	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	FLINT	BTNGMIPGDS0	00/00/0000	Prefix Type: RBOC Switch Name: BURTON Switch Type: 5ESS LATA: Detroit MI (340) Tandem: TROYMIMN55T 🔧 Explore Switch(CLLI: BTNGMIPGDS0))
810-326	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	ST CLAIR	STCLMIMNRS1	00/00/0000	Prefix Type: RBOC Switch Name: ST CLAIR Switch Type: N/A LATA: Detroit MI (340) Tandem: TROYMIMN55T 🔧 Explore Switch(CLLI: STCLMIMNRS1))
810-326 is split into 1,000-number blocks - detail below
810-326-0XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	ST CLAIR	STCLMIMNRS1	N/A	Prefix Type: RBOC Switch Name: ST CLAIR Switch Type: N/A LATA: Detroit MI (340) Tandem: TROYMIMN55T 🔧 Explore Switch(CLLI: STCLMIMNRS1))
810-326-1XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	ST CLAIR	STCLMIMNRS1	N/A	Prefix Type: RBOC Switch Name: ST CLAIR Switch Type: N/A LATA: Detroit MI (340) Tandem: TROYMIMN55T 🔧 Explore Switch(CLLI: STCLMIMNRS1))
810-326-2XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	ST CLAIR	STCLMIMNRS1	N/A	Prefix Type: RBOC Switch Name: ST CLAIR Switch Type: N/A LATA: Detroit MI (340) Tandem: TROYMIMN55T 🔧 Explore Switch(CLLI: STCLMIMNRS1))
810-326-3XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	ST CLAIR	STCLMIMNRS1	N/A	Prefix Type: RBOC Switch Name: ST CLAIR Switch Type: N/A LATA: Detroit MI (340) Tandem: TROYMIMN55T 🔧 Explore Switch(CLLI: STCLMIMNRS1))
810-326-4XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	ST CLAIR	STCLMIMNRS1	N/A	Prefix Type: RBOC Switch Name: ST CLAIR Switch Type: N/A LATA: Detroit MI (340) Tandem: TROYMIMN55T 🔧 Explore Switch(CLLI: STCLMIMNRS1))
810-326-5XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	ST CLAIR	STCLMIMNRS1	N/A	Prefix Type: RBOC Switch Name: ST CLAIR Switch Type: N/A LATA: Detroit MI (340) Tandem: TROYMIMN55T 🔧 Explore Switch(CLLI: STCLMIMNRS1))
810-326-6XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	ST CLAIR	STCLMIMNRS1	N/A	Prefix Type: RBOC Switch Name: ST CLAIR Switch Type: N/A LATA: Detroit MI (340) Tandem: TROYMIMN55T 🔧 Explore Switch(CLLI: STCLMIMNRS1))
810-326-8XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	ST CLAIR	STCLMIMNRS1	N/A	Prefix Type: RBOC Switch Name: ST CLAIR Switch Type: N/A LATA: Detroit MI (340) Tandem: TROYMIMN55T 🔧 Explore Switch(CLLI: STCLMIMNRS1))
810-329	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	ST CLAIR	STCLMIMNRS1	00/00/0000	Prefix Type: RBOC Switch Name: ST CLAIR Switch Type: N/A LATA: Detroit MI (340) Tandem: TROYMIMN55T 🔧 Explore Switch(CLLI: STCLMIMNRS1))
810-341	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	FLINT	FLNTMIMNDS1	00/00/0000	Prefix Type: RBOC Switch Name: FLINT DS1 Switch Type: DMS100 LATA: Detroit MI (340) Tandem: TROYMIMN55T 🔧 Explore Switch(CLLI: FLNTMIMNDS1))
810-341 is split into 1,000-number blocks - detail below
810-341-0XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	FLINT	FLNTMIMNDS1	N/A	Prefix Type: RBOC Switch Name: FLINT DS1 Switch Type: DMS100 LATA: Detroit MI (340) Tandem: TROYMIMN55T 🔧 Explore Switch(CLLI: FLNTMIMNDS1))
810-341-1XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	FLINT	FLNTMIMNDS1	N/A	Prefix Type: RBOC Switch Name: FLINT DS1 Switch Type: DMS100 LATA: Detroit MI (340) Tandem: TROYMIMN55T 🔧 Explore Switch(CLLI: FLNTMIMNDS1))
810-341-5XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	FLINT	FLNTMIMNDS1	N/A	Prefix Type: RBOC Switch Name: FLINT DS1 Switch Type: DMS100 LATA: Detroit MI (340) Tandem: TROYMIMN55T 🔧 Explore Switch(CLLI: FLNTMIMNDS1))
810-341-6XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	FLINT	FLNTMIMNDS1	N/A	Prefix Type: RBOC Switch Name: FLINT DS1 Switch Type: DMS100 LATA: Detroit MI (340) Tandem: TROYMIMN55T 🔧 Explore Switch(CLLI: FLNTMIMNDS1))
810-341-7XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	FLINT	FLNTMIMNDS1	N/A	Prefix Type: RBOC Switch Name: FLINT DS1 Switch Type: DMS100 LATA: Detroit MI (340) Tandem: TROYMIMN55T 🔧 Explore Switch(CLLI: FLNTMIMNDS1))
810-341-8XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	FLINT	FLNTMIMNDS1	N/A	Prefix Type: RBOC Switch Name: FLINT DS1 Switch Type: DMS100 LATA: Detroit MI (340) Tandem: TROYMIMN55T 🔧 Explore Switch(CLLI: FLNTMIMNDS1))
810-341-9XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	FLINT	FLNTMIMNDS1	N/A	Prefix Type: RBOC Switch Name: FLINT DS1 Switch Type: DMS100 LATA: Detroit MI (340) Tandem: TROYMIMN55T 🔧 Explore Switch(CLLI: FLNTMIMNDS1))
810-342	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	FLINT	FLNTMIMNDS1	00/00/0000	Prefix Type: RBOC Switch Name: FLINT DS1 Switch Type: DMS100 LATA: Detroit MI (340) Tandem: TROYMIMN55T 🔧 Explore Switch(CLLI: FLNTMIMNDS1))
810-342 is split into 1,000-number blocks - detail below
810-342-0XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	FLINT	FLNTMIMNDS1	N/A	Prefix Type: RBOC Switch Name: FLINT DS1 Switch Type: DMS100 LATA: Detroit MI (340) Tandem: TROYMIMN55T 🔧 Explore Switch(CLLI: FLNTMIMNDS1))
810-342-1XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	FLINT	FLNTMIMNDS1	N/A	Prefix Type: RBOC Switch Name: FLINT DS1 Switch Type: DMS100 LATA: Detroit MI (340) Tandem: TROYMIMN55T 🔧 Explore Switch(CLLI: FLNTMIMNDS1))
810-342-2XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	FLINT	FLNTMIMNDS1	N/A	Prefix Type: RBOC Switch Name: FLINT DS1 Switch Type: DMS100 LATA: Detroit MI (340) Tandem: TROYMIMN55T 🔧 Explore Switch(CLLI: FLNTMIMNDS1))
810-342-3XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	FLINT	FLNTMIMNDS1	N/A	Prefix Type: RBOC Switch Name: FLINT DS1 Switch Type: DMS100 LATA: Detroit MI (340) Tandem: TROYMIMN55T 🔧 Explore Switch(CLLI: FLNTMIMNDS1))
810-342-4XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	FLINT	FLNTMIMNDS1	N/A	Prefix Type: RBOC Switch Name: FLINT DS1 Switch Type: DMS100 LATA: Detroit MI (340) Tandem: TROYMIMN55T 🔧 Explore Switch(CLLI: FLNTMIMNDS1))
810-342-5XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	FLINT	FLNTMIMNDS1	N/A	Prefix Type: RBOC Switch Name: FLINT DS1 Switch Type: DMS100 LATA: Detroit MI (340) Tandem: TROYMIMN55T 🔧 Explore Switch(CLLI: FLNTMIMNDS1))
810-342-6XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	FLINT	FLNTMIMNDS1	N/A	Prefix Type: RBOC Switch Name: FLINT DS1 Switch Type: DMS100 LATA: Detroit MI (340) Tandem: TROYMIMN55T 🔧 Explore Switch(CLLI: FLNTMIMNDS1))
810-342-7XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	FLINT	FLNTMIMNDS1	N/A	Prefix Type: RBOC Switch Name: FLINT DS1 Switch Type: DMS100 LATA: Detroit MI (340) Tandem: TROYMIMN55T 🔧 Explore Switch(CLLI: FLNTMIMNDS1))
810-359	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	LEXINGTON	LXTNMIMNRSA	00/00/0000	Prefix Type: RBOC Switch Name: LEXINGTON Switch Type: N/A LATA: Detroit MI (340) Tandem: TROYMIMN55T 🔧 Explore Switch(CLLI: LXTNMIMNRSA))
810-359 is split into 1,000-number blocks - detail below
810-359-2XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	LEXINGTON	LXTNMIMNRSA	N/A	Prefix Type: RBOC Switch Name: LEXINGTON Switch Type: N/A LATA: Detroit MI (340) Tandem: TROYMIMN55T 🔧 Explore Switch(CLLI: LXTNMIMNRSA))
810-359-3XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	LEXINGTON	LXTNMIMNRSA	N/A	Prefix Type: RBOC Switch Name: LEXINGTON Switch Type: N/A LATA: Detroit MI (340) Tandem: TROYMIMN55T 🔧 Explore Switch(CLLI: LXTNMIMNRSA))
810-359-5XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	LEXINGTON	LXTNMIMNRSA	N/A	Prefix Type: RBOC Switch Name: LEXINGTON Switch Type: N/A LATA: Detroit MI (340) Tandem: TROYMIMN55T 🔧 Explore Switch(CLLI: LXTNMIMNRSA))
810-359-7XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	LEXINGTON	LXTNMIMNRSA	N/A	Prefix Type: RBOC Switch Name: LEXINGTON Switch Type: N/A LATA: Detroit MI (340) Tandem: TROYMIMN55T 🔧 Explore Switch(CLLI: LXTNMIMNRSA))
810-359-8XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	LEXINGTON	LXTNMIMNRSA	N/A	Prefix Type: RBOC Switch Name: LEXINGTON Switch Type: N/A LATA: Detroit MI (340) Tandem: TROYMIMN55T 🔧 Explore Switch(CLLI: LXTNMIMNRSA))
810-364	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	PORT HURON	MYVIMIMNRSA	00/00/0000	Prefix Type: RBOC Switch Name: MARYSVILLE Switch Type: N/A LATA: Detroit MI (340) Tandem: TROYMIMN55T 🔧 Explore Switch(CLLI: MYVIMIMNRSA))
810-378	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	PECK	CRSWMIMNRSA	00/00/0000	Prefix Type: RBOC Switch Name: CROSWELL Switch Type: N/A LATA: Detroit MI (340) Tandem: TROYMIMN55T 🔧 Explore Switch(CLLI: CRSWMIMNRSA))
810-378 is split into 1,000-number blocks - detail below
810-378-5XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	PECK	CRSWMIMNRSA	N/A	Prefix Type: RBOC Switch Name: CROSWELL Switch Type: N/A LATA: Detroit MI (340) Tandem: TROYMIMN55T 🔧 Explore Switch(CLLI: CRSWMIMNRSA))
810-385	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	PORT HURON	PTHRMINRRSA	00/00/0000	Prefix Type: RBOC Switch Name: PORT HURON NR Switch Type: N/A LATA: Detroit MI (340) Tandem: TROYMIMN55T 🔧 Explore Switch(CLLI: PTHRMINRRSA))
810-388	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	PORT HURON	MYVIMIMNRSA	00/00/0000	Prefix Type: RBOC Switch Name: MARYSVILLE Switch Type: N/A LATA: Detroit MI (340) Tandem: TROYMIMN55T 🔧 Explore Switch(CLLI: MYVIMIMNRSA))
810-388 is split into 1,000-number blocks - detail below
810-388-0XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	PORT HURON	MYVIMIMNRSA	N/A	Prefix Type: RBOC Switch Name: MARYSVILLE Switch Type: N/A LATA: Detroit MI (340) Tandem: TROYMIMN55T 🔧 Explore Switch(CLLI: MYVIMIMNRSA))
810-388-1XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	PORT HURON	MYVIMIMNRSA	N/A	Prefix Type: RBOC Switch Name: MARYSVILLE Switch Type: N/A LATA: Detroit MI (340) Tandem: TROYMIMN55T 🔧 Explore Switch(CLLI: MYVIMIMNRSA))
810-388-2XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	PORT HURON	MYVIMIMNRSA	N/A	Prefix Type: RBOC Switch Name: MARYSVILLE Switch Type: N/A LATA: Detroit MI (340) Tandem: TROYMIMN55T 🔧 Explore Switch(CLLI: MYVIMIMNRSA))
810-388-5XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	PORT HURON	MYVIMIMNRSA	N/A	Prefix Type: RBOC Switch Name: MARYSVILLE Switch Type: N/A LATA: Detroit MI (340) Tandem: TROYMIMN55T 🔧 Explore Switch(CLLI: MYVIMIMNRSA))
810-388-9XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	PORT HURON	MYVIMIMNRSA	N/A	Prefix Type: RBOC Switch Name: MARYSVILLE Switch Type: N/A LATA: Detroit MI (340) Tandem: TROYMIMN55T 🔧 Explore Switch(CLLI: MYVIMIMNRSA))
810-422	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	FLINT	FLNTMIMNDS0	00/00/0000	Prefix Type: RBOC Switch Name: FLINT DS0 Switch Type: 5ESS LATA: Detroit MI (340) Tandem: TROYMIMN55T 🔧 Explore Switch(CLLI: FLNTMIMNDS0))
810-422 is split into 1,000-number blocks - detail below
810-422-0XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	FLINT	FLNTMIMNDS0	N/A	Prefix Type: RBOC Switch Name: FLINT DS0 Switch Type: 5ESS LATA: Detroit MI (340) Tandem: TROYMIMN55T 🔧 Explore Switch(CLLI: FLNTMIMNDS0))
810-422-1XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	FLINT	FLNTMIMNDS0	N/A	Prefix Type: RBOC Switch Name: FLINT DS0 Switch Type: 5ESS LATA: Detroit MI (340) Tandem: TROYMIMN55T 🔧 Explore Switch(CLLI: FLNTMIMNDS0))
810-422-2XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	FLINT	FLNTMIMNDS0	N/A	Prefix Type: RBOC Switch Name: FLINT DS0 Switch Type: 5ESS LATA: Detroit MI (340) Tandem: TROYMIMN55T 🔧 Explore Switch(CLLI: FLNTMIMNDS0))
810-422-6XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	FLINT	FLNTMIMNDS0	N/A	Prefix Type: RBOC Switch Name: FLINT DS0 Switch Type: 5ESS LATA: Detroit MI (340) Tandem: TROYMIMN55T 🔧 Explore Switch(CLLI: FLNTMIMNDS0))
810-424	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	FLINT	FLNTMIMNDS1	00/00/0000	Prefix Type: RBOC Switch Name: FLINT DS1 Switch Type: DMS100 LATA: Detroit MI (340) Tandem: TROYMIMN55T 🔧 Explore Switch(CLLI: FLNTMIMNDS1))
810-487	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	FLUSHING	FLSHMIFSDS0	00/00/0000	Prefix Type: RBOC Switch Name: FLUSHING Switch Type: EWSD LATA: Detroit MI (340) Tandem: TROYMIMN55T 🔧 Explore Switch(CLLI: FLSHMIFSDS0))
810-487 is split into 1,000-number blocks - detail below
810-487-0XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	FLUSHING	FLSHMIFSDS0	N/A	Prefix Type: RBOC Switch Name: FLUSHING Switch Type: EWSD LATA: Detroit MI (340) Tandem: TROYMIMN55T 🔧 Explore Switch(CLLI: FLSHMIFSDS0))
810-487-1XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	FLUSHING	FLSHMIFSDS0	N/A	Prefix Type: RBOC Switch Name: FLUSHING Switch Type: EWSD LATA: Detroit MI (340) Tandem: TROYMIMN55T 🔧 Explore Switch(CLLI: FLSHMIFSDS0))
810-487-2XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	FLUSHING	FLSHMIFSDS0	N/A	Prefix Type: RBOC Switch Name: FLUSHING Switch Type: EWSD LATA: Detroit MI (340) Tandem: TROYMIMN55T 🔧 Explore Switch(CLLI: FLSHMIFSDS0))
810-487-3XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	FLUSHING	FLSHMIFSDS0	N/A	Prefix Type: RBOC Switch Name: FLUSHING Switch Type: EWSD LATA: Detroit MI (340) Tandem: TROYMIMN55T 🔧 Explore Switch(CLLI: FLSHMIFSDS0))
810-494	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	BRIGHTON	BITNMIESDS0	00/00/0000	Prefix Type: RBOC Switch Name: BRIGHTON ES Switch Type: DMS100 LATA: Detroit MI (340) Tandem: ANARMIMN20T 🔧 Explore Switch(CLLI: BITNMIESDS0))
810-494 is split into 1,000-number blocks - detail below
810-494-0XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	BRIGHTON	BITNMIESDS0	N/A	Prefix Type: RBOC Switch Name: BRIGHTON ES Switch Type: DMS100 LATA: Detroit MI (340) Tandem: ANARMIMN20T 🔧 Explore Switch(CLLI: BITNMIESDS0))
810-494-2XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	BRIGHTON	BITNMIESDS0	N/A	Prefix Type: RBOC Switch Name: BRIGHTON ES Switch Type: DMS100 LATA: Detroit MI (340) Tandem: ANARMIMN20T 🔧 Explore Switch(CLLI: BITNMIESDS0))
810-494-4XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	BRIGHTON	BITNMIESDS0	N/A	Prefix Type: RBOC Switch Name: BRIGHTON ES Switch Type: DMS100 LATA: Detroit MI (340) Tandem: ANARMIMN20T 🔧 Explore Switch(CLLI: BITNMIESDS0))
810-494-5XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	BRIGHTON	BITNMIESDS0	N/A	Prefix Type: RBOC Switch Name: BRIGHTON ES Switch Type: DMS100 LATA: Detroit MI (340) Tandem: ANARMIMN20T 🔧 Explore Switch(CLLI: BITNMIESDS0))
810-494-6XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	BRIGHTON	BITNMIESDS0	N/A	Prefix Type: RBOC Switch Name: BRIGHTON ES Switch Type: DMS100 LATA: Detroit MI (340) Tandem: ANARMIMN20T 🔧 Explore Switch(CLLI: BITNMIESDS0))
810-494-8XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	BRIGHTON	BITNMIESDS0	N/A	Prefix Type: RBOC Switch Name: BRIGHTON ES Switch Type: DMS100 LATA: Detroit MI (340) Tandem: ANARMIMN20T 🔧 Explore Switch(CLLI: BITNMIESDS0))
810-494-9XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	BRIGHTON	BITNMIESDS0	N/A	Prefix Type: RBOC Switch Name: BRIGHTON ES Switch Type: DMS100 LATA: Detroit MI (340) Tandem: ANARMIMN20T 🔧 Explore Switch(CLLI: BITNMIESDS0))
810-520	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	XXXXXXXXXX	NOCLLIKNOWN	00/00/0000	Prefix Type: RBOC Switch Name: N/A Switch Type: N/A LATA: N/A Tandem: N/A 🔧 Explore Switch(CLLI: NOCLLIKNOWN))
810-564	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	CLIMTMORRS	CLIOMIMNDS0	00/00/0000	Prefix Type: RBOC Switch Name: CLIO-MT MORRIS Switch Type: 5ESS LATA: Detroit MI (340) Tandem: TROYMIMN55T 🔧 Explore Switch(CLLI: CLIOMIMNDS0))
810-564 is split into 1,000-number blocks - detail below
810-564-0XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	CLIMTMORRS	CLIOMIMNDS0	N/A	Prefix Type: RBOC Switch Name: CLIO-MT MORRIS Switch Type: 5ESS LATA: Detroit MI (340) Tandem: TROYMIMN55T 🔧 Explore Switch(CLLI: CLIOMIMNDS0))
810-564-1XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	CLIMTMORRS	CLIOMIMNDS0	N/A	Prefix Type: RBOC Switch Name: CLIO-MT MORRIS Switch Type: 5ESS LATA: Detroit MI (340) Tandem: TROYMIMN55T 🔧 Explore Switch(CLLI: CLIOMIMNDS0))
810-564-2XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	CLIMTMORRS	CLIOMIMNDS0	N/A	Prefix Type: RBOC Switch Name: CLIO-MT MORRIS Switch Type: 5ESS LATA: Detroit MI (340) Tandem: TROYMIMN55T 🔧 Explore Switch(CLLI: CLIOMIMNDS0))
810-564-3XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	CLIMTMORRS	CLIOMIMNDS0	N/A	Prefix Type: RBOC Switch Name: CLIO-MT MORRIS Switch Type: 5ESS LATA: Detroit MI (340) Tandem: TROYMIMN55T 🔧 Explore Switch(CLLI: CLIOMIMNDS0))
810-564-4XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	CLIMTMORRS	CLIOMIMNDS0	N/A	Prefix Type: RBOC Switch Name: CLIO-MT MORRIS Switch Type: 5ESS LATA: Detroit MI (340) Tandem: TROYMIMN55T 🔧 Explore Switch(CLLI: CLIOMIMNDS0))
810-564-9XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	CLIMTMORRS	CLIOMIMNDS0	N/A	Prefix Type: RBOC Switch Name: CLIO-MT MORRIS Switch Type: 5ESS LATA: Detroit MI (340) Tandem: TROYMIMN55T 🔧 Explore Switch(CLLI: CLIOMIMNDS0))
810-603	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	GRANDBLANC	GRBLMIMNDS0	00/00/0000	Prefix Type: RBOC Switch Name: GRAND BLANC Switch Type: 5ESS LATA: Detroit MI (340) Tandem: TROYMIMN55T 🔧 Explore Switch(CLLI: GRBLMIMNDS0))
810-603 is split into 1,000-number blocks - detail below
810-603-0XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	GRANDBLANC	GRBLMIMNDS0	N/A	Prefix Type: RBOC Switch Name: GRAND BLANC Switch Type: 5ESS LATA: Detroit MI (340) Tandem: TROYMIMN55T 🔧 Explore Switch(CLLI: GRBLMIMNDS0))
810-603-1XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	GRANDBLANC	GRBLMIMNDS0	N/A	Prefix Type: RBOC Switch Name: GRAND BLANC Switch Type: 5ESS LATA: Detroit MI (340) Tandem: TROYMIMN55T 🔧 Explore Switch(CLLI: GRBLMIMNDS0))
810-603-2XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	GRANDBLANC	GRBLMIMNDS0	N/A	Prefix Type: RBOC Switch Name: GRAND BLANC Switch Type: 5ESS LATA: Detroit MI (340) Tandem: TROYMIMN55T 🔧 Explore Switch(CLLI: GRBLMIMNDS0))
810-603-3XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	GRANDBLANC	GRBLMIMNDS0	N/A	Prefix Type: RBOC Switch Name: GRAND BLANC Switch Type: 5ESS LATA: Detroit MI (340) Tandem: TROYMIMN55T 🔧 Explore Switch(CLLI: GRBLMIMNDS0))
810-603-4XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	GRANDBLANC	GRBLMIMNDS0	N/A	Prefix Type: RBOC Switch Name: GRAND BLANC Switch Type: 5ESS LATA: Detroit MI (340) Tandem: TROYMIMN55T 🔧 Explore Switch(CLLI: GRBLMIMNDS0))
810-603-6XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	GRANDBLANC	GRBLMIMNDS0	N/A	Prefix Type: RBOC Switch Name: GRAND BLANC Switch Type: 5ESS LATA: Detroit MI (340) Tandem: TROYMIMN55T 🔧 Explore Switch(CLLI: GRBLMIMNDS0))
810-603-8XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	GRANDBLANC	GRBLMIMNDS0	N/A	Prefix Type: RBOC Switch Name: GRAND BLANC Switch Type: 5ESS LATA: Detroit MI (340) Tandem: TROYMIMN55T 🔧 Explore Switch(CLLI: GRBLMIMNDS0))
810-603-9XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	GRANDBLANC	GRBLMIMNDS0	N/A	Prefix Type: RBOC Switch Name: GRAND BLANC Switch Type: 5ESS LATA: Detroit MI (340) Tandem: TROYMIMN55T 🔧 Explore Switch(CLLI: GRBLMIMNDS0))
810-606	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	GRANDBLANC	GRBLMIMNDS0	00/00/0000	Prefix Type: RBOC Switch Name: GRAND BLANC Switch Type: 5ESS LATA: Detroit MI (340) Tandem: TROYMIMN55T 🔧 Explore Switch(CLLI: GRBLMIMNDS0))
810-622	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	PT SANILAC	PTSNMIMNRSA	00/00/0000	Prefix Type: RBOC Switch Name: PORT SANILAC Switch Type: N/A LATA: Detroit MI (340) Tandem: TROYMIMN55T 🔧 Explore Switch(CLLI: PTSNMIMNRSA))
810-622 is split into 1,000-number blocks - detail below
810-622-0XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	PT SANILAC	PTSNMIMNRSA	N/A	Prefix Type: RBOC Switch Name: PORT SANILAC Switch Type: N/A LATA: Detroit MI (340) Tandem: TROYMIMN55T 🔧 Explore Switch(CLLI: PTSNMIMNRSA))
810-622-8XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	PT SANILAC	PTSNMIMNRSA	N/A	Prefix Type: RBOC Switch Name: PORT SANILAC Switch Type: N/A LATA: Detroit MI (340) Tandem: TROYMIMN55T 🔧 Explore Switch(CLLI: PTSNMIMNRSA))
810-622-9XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	PT SANILAC	PTSNMIMNRSA	N/A	Prefix Type: RBOC Switch Name: PORT SANILAC Switch Type: N/A LATA: Detroit MI (340) Tandem: TROYMIMN55T 🔧 Explore Switch(CLLI: PTSNMIMNRSA))
810-626 is split into 1,000-number blocks - detail below
810-626-2XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	BRIGHTON	BITNMIESDS0	06/28/2006	Prefix Type: RBOC Switch Name: BRIGHTON ES Switch Type: DMS100 LATA: Detroit MI (340) Tandem: ANARMIMN20T 🔧 Explore Switch(CLLI: BITNMIESDS0))
810-629	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	FENTON	FNTNMIMNDS0	00/00/0000	Prefix Type: RBOC Switch Name: FENTON DS0 Switch Type: EWSD LATA: Detroit MI (340) Tandem: TROYMIMN55T 🔧 Explore Switch(CLLI: FNTNMIMNDS0))
810-632	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	HARTLAND	HRLDMIHRDS0	00/00/0000	Prefix Type: RBOC Switch Name: HARTLAND Switch Type: DMS10 LATA: Detroit MI (340) Tandem: ANARMIMN20T 🔧 Explore Switch(CLLI: HRLDMIHRDS0))
810-632 is split into 1,000-number blocks - detail below
810-632-0XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	HARTLAND	HRLDMIHRDS0	N/A	Prefix Type: RBOC Switch Name: HARTLAND Switch Type: DMS10 LATA: Detroit MI (340) Tandem: ANARMIMN20T 🔧 Explore Switch(CLLI: HRLDMIHRDS0))
810-632-2XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	HARTLAND	HRLDMIHRDS0	N/A	Prefix Type: RBOC Switch Name: HARTLAND Switch Type: DMS10 LATA: Detroit MI (340) Tandem: ANARMIMN20T 🔧 Explore Switch(CLLI: HRLDMIHRDS0))
810-632-3XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	HARTLAND	HRLDMIHRDS0	N/A	Prefix Type: RBOC Switch Name: HARTLAND Switch Type: DMS10 LATA: Detroit MI (340) Tandem: ANARMIMN20T 🔧 Explore Switch(CLLI: HRLDMIHRDS0))
810-632-4XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	HARTLAND	HRLDMIHRDS0	N/A	Prefix Type: RBOC Switch Name: HARTLAND Switch Type: DMS10 LATA: Detroit MI (340) Tandem: ANARMIMN20T 🔧 Explore Switch(CLLI: HRLDMIHRDS0))
810-632-5XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	HARTLAND	HRLDMIHRDS0	N/A	Prefix Type: RBOC Switch Name: HARTLAND Switch Type: DMS10 LATA: Detroit MI (340) Tandem: ANARMIMN20T 🔧 Explore Switch(CLLI: HRLDMIHRDS0))
810-632-6XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	HARTLAND	HRLDMIHRDS0	N/A	Prefix Type: RBOC Switch Name: HARTLAND Switch Type: DMS10 LATA: Detroit MI (340) Tandem: ANARMIMN20T 🔧 Explore Switch(CLLI: HRLDMIHRDS0))
810-632-7XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	HARTLAND	HRLDMIHRDS0	N/A	Prefix Type: RBOC Switch Name: HARTLAND Switch Type: DMS10 LATA: Detroit MI (340) Tandem: ANARMIMN20T 🔧 Explore Switch(CLLI: HRLDMIHRDS0))
810-632-9XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	HARTLAND	HRLDMIHRDS0	N/A	Prefix Type: RBOC Switch Name: HARTLAND Switch Type: DMS10 LATA: Detroit MI (340) Tandem: ANARMIMN20T 🔧 Explore Switch(CLLI: HRLDMIHRDS0))
810-633	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	APPLEGATE	SNDSMIMNRSA	00/00/0000	Prefix Type: RBOC Switch Name: SANDUSKY Switch Type: N/A LATA: Detroit MI (340) Tandem: TROYMIMN55T 🔧 Explore Switch(CLLI: SNDSMIMNRSA))
810-633 is split into 1,000-number blocks - detail below
810-633-9XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	APPLEGATE	SNDSMIMNRSA	N/A	Prefix Type: RBOC Switch Name: SANDUSKY Switch Type: N/A LATA: Detroit MI (340) Tandem: TROYMIMN55T 🔧 Explore Switch(CLLI: SNDSMIMNRSA))
810-640	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	CLIMTMORRS	FLNTMINEDS0	00/00/0000	Prefix Type: RBOC Switch Name: FLINT NE DS0 Switch Type: EWSD LATA: Detroit MI (340) Tandem: TROYMIMN55T 🔧 Explore Switch(CLLI: FLNTMINEDS0))
810-640 is split into 1,000-number blocks - detail below
810-640-0XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	CLIMTMORRS	FLNTMINEDS0	N/A	Prefix Type: RBOC Switch Name: FLINT NE DS0 Switch Type: EWSD LATA: Detroit MI (340) Tandem: TROYMIMN55T 🔧 Explore Switch(CLLI: FLNTMINEDS0))
810-640-1XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	CLIMTMORRS	FLNTMINEDS0	N/A	Prefix Type: RBOC Switch Name: FLINT NE DS0 Switch Type: EWSD LATA: Detroit MI (340) Tandem: TROYMIMN55T 🔧 Explore Switch(CLLI: FLNTMINEDS0))
810-640-2XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	CLIMTMORRS	FLNTMINEDS0	N/A	Prefix Type: RBOC Switch Name: FLINT NE DS0 Switch Type: EWSD LATA: Detroit MI (340) Tandem: TROYMIMN55T 🔧 Explore Switch(CLLI: FLNTMINEDS0))
810-640-3XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	CLIMTMORRS	FLNTMINEDS0	N/A	Prefix Type: RBOC Switch Name: FLINT NE DS0 Switch Type: EWSD LATA: Detroit MI (340) Tandem: TROYMIMN55T 🔧 Explore Switch(CLLI: FLNTMINEDS0))
810-648	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	SANDUSKY	SNDSMIMNRSA	00/00/0000	Prefix Type: RBOC Switch Name: SANDUSKY Switch Type: N/A LATA: Detroit MI (340) Tandem: TROYMIMN55T 🔧 Explore Switch(CLLI: SNDSMIMNRSA))
810-648 is split into 1,000-number blocks - detail below
810-648-0XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	SANDUSKY	SNDSMIMNRSA	N/A	Prefix Type: RBOC Switch Name: SANDUSKY Switch Type: N/A LATA: Detroit MI (340) Tandem: TROYMIMN55T 🔧 Explore Switch(CLLI: SNDSMIMNRSA))
810-648-1XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	SANDUSKY	SNDSMIMNRSA	N/A	Prefix Type: RBOC Switch Name: SANDUSKY Switch Type: N/A LATA: Detroit MI (340) Tandem: TROYMIMN55T 🔧 Explore Switch(CLLI: SNDSMIMNRSA))
810-648-2XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	SANDUSKY	SNDSMIMNRSA	N/A	Prefix Type: RBOC Switch Name: SANDUSKY Switch Type: N/A LATA: Detroit MI (340) Tandem: TROYMIMN55T 🔧 Explore Switch(CLLI: SNDSMIMNRSA))
810-648-3XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	SANDUSKY	SNDSMIMNRSA	N/A	Prefix Type: RBOC Switch Name: SANDUSKY Switch Type: N/A LATA: Detroit MI (340) Tandem: TROYMIMN55T 🔧 Explore Switch(CLLI: SNDSMIMNRSA))
810-648-4XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	SANDUSKY	SNDSMIMNRSA	N/A	Prefix Type: RBOC Switch Name: SANDUSKY Switch Type: N/A LATA: Detroit MI (340) Tandem: TROYMIMN55T 🔧 Explore Switch(CLLI: SNDSMIMNRSA))
810-648-5XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	SANDUSKY	SNDSMIMNRSA	N/A	Prefix Type: RBOC Switch Name: SANDUSKY Switch Type: N/A LATA: Detroit MI (340) Tandem: TROYMIMN55T 🔧 Explore Switch(CLLI: SNDSMIMNRSA))
810-648-6XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	SANDUSKY	SNDSMIMNRSA	N/A	Prefix Type: RBOC Switch Name: SANDUSKY Switch Type: N/A LATA: Detroit MI (340) Tandem: TROYMIMN55T 🔧 Explore Switch(CLLI: SNDSMIMNRSA))
810-648-9XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	SANDUSKY	SNDSMIMNRSA	N/A	Prefix Type: RBOC Switch Name: SANDUSKY Switch Type: N/A LATA: Detroit MI (340) Tandem: TROYMIMN55T 🔧 Explore Switch(CLLI: SNDSMIMNRSA))
810-657	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	CARSONVL	CSVIMIMNRSA	00/00/0000	Prefix Type: RBOC Switch Name: CARSONVILLE Switch Type: N/A LATA: Detroit MI (340) Tandem: TROYMIMN55T 🔧 Explore Switch(CLLI: CSVIMIMNRSA))
810-657 is split into 1,000-number blocks - detail below
810-657-9XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	CARSONVL	CSVIMIMNRSA	N/A	Prefix Type: RBOC Switch Name: CARSONVILLE Switch Type: N/A LATA: Detroit MI (340) Tandem: TROYMIMN55T 🔧 Explore Switch(CLLI: CSVIMIMNRSA))
810-659	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	FLUSHING	FLSHMIFSDS0	00/00/0000	Prefix Type: RBOC Switch Name: FLUSHING Switch Type: EWSD LATA: Detroit MI (340) Tandem: TROYMIMN55T 🔧 Explore Switch(CLLI: FLSHMIFSDS0))
810-664	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	LAPEER	LPERMILPDS0	00/00/0000	Prefix Type: RBOC Switch Name: LAPEER Switch Type: EWSD LATA: Detroit MI (340) Tandem: TROYMIMN55T 🔧 Explore Switch(CLLI: LPERMILPDS0))
810-667	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	LAPEER	LPERMILPDS0	00/00/0000	Prefix Type: RBOC Switch Name: LAPEER Switch Type: EWSD LATA: Detroit MI (340) Tandem: TROYMIMN55T 🔧 Explore Switch(CLLI: LPERMILPDS0))
810-672	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	SNOVER	CSVIMIMNRSA	00/00/0000	Prefix Type: RBOC Switch Name: CARSONVILLE Switch Type: N/A LATA: Detroit MI (340) Tandem: TROYMIMN55T 🔧 Explore Switch(CLLI: CSVIMIMNRSA))
810-672 is split into 1,000-number blocks - detail below
810-672-8XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	SNOVER	CSVIMIMNRSA	N/A	Prefix Type: RBOC Switch Name: CARSONVILLE Switch Type: N/A LATA: Detroit MI (340) Tandem: TROYMIMN55T 🔧 Explore Switch(CLLI: CSVIMIMNRSA))
810-672-9XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	SNOVER	CSVIMIMNRSA	N/A	Prefix Type: RBOC Switch Name: CARSONVILLE Switch Type: N/A LATA: Detroit MI (340) Tandem: TROYMIMN55T 🔧 Explore Switch(CLLI: CSVIMIMNRSA))
810-679	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	CROSWELL	CRSWMIMNRSA	00/00/0000	Prefix Type: RBOC Switch Name: CROSWELL Switch Type: N/A LATA: Detroit MI (340) Tandem: TROYMIMN55T 🔧 Explore Switch(CLLI: CRSWMIMNRSA))
810-679 is split into 1,000-number blocks - detail below
810-679-0XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	CROSWELL	CRSWMIMNRSA	N/A	Prefix Type: RBOC Switch Name: CROSWELL Switch Type: N/A LATA: Detroit MI (340) Tandem: TROYMIMN55T 🔧 Explore Switch(CLLI: CRSWMIMNRSA))
810-679-1XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	CROSWELL	CRSWMIMNRSA	N/A	Prefix Type: RBOC Switch Name: CROSWELL Switch Type: N/A LATA: Detroit MI (340) Tandem: TROYMIMN55T 🔧 Explore Switch(CLLI: CRSWMIMNRSA))
810-679-2XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	CROSWELL	CRSWMIMNRSA	N/A	Prefix Type: RBOC Switch Name: CROSWELL Switch Type: N/A LATA: Detroit MI (340) Tandem: TROYMIMN55T 🔧 Explore Switch(CLLI: CRSWMIMNRSA))
810-679-3XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	CROSWELL	CRSWMIMNRSA	N/A	Prefix Type: RBOC Switch Name: CROSWELL Switch Type: N/A LATA: Detroit MI (340) Tandem: TROYMIMN55T 🔧 Explore Switch(CLLI: CRSWMIMNRSA))
810-679-4XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	CROSWELL	CRSWMIMNRSA	N/A	Prefix Type: RBOC Switch Name: CROSWELL Switch Type: N/A LATA: Detroit MI (340) Tandem: TROYMIMN55T 🔧 Explore Switch(CLLI: CRSWMIMNRSA))
810-679-8XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	CROSWELL	CRSWMIMNRSA	N/A	Prefix Type: RBOC Switch Name: CROSWELL Switch Type: N/A LATA: Detroit MI (340) Tandem: TROYMIMN55T 🔧 Explore Switch(CLLI: CRSWMIMNRSA))
810-679-9XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	CROSWELL	CRSWMIMNRSA	N/A	Prefix Type: RBOC Switch Name: CROSWELL Switch Type: N/A LATA: Detroit MI (340) Tandem: TROYMIMN55T 🔧 Explore Switch(CLLI: CRSWMIMNRSA))
810-686	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	CLIMTMORRS	CLIOMIMNDS0	00/00/0000	Prefix Type: RBOC Switch Name: CLIO-MT MORRIS Switch Type: 5ESS LATA: Detroit MI (340) Tandem: TROYMIMN55T 🔧 Explore Switch(CLLI: CLIOMIMNDS0))
810-687	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	CLIMTMORRS	CLIOMIMNDS0	00/00/0000	Prefix Type: RBOC Switch Name: CLIO-MT MORRIS Switch Type: 5ESS LATA: Detroit MI (340) Tandem: TROYMIMN55T 🔧 Explore Switch(CLLI: CLIOMIMNDS0))
810-694	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	GRANDBLANC	GRBLMIMNDS0	00/00/0000	Prefix Type: RBOC Switch Name: GRAND BLANC Switch Type: 5ESS LATA: Detroit MI (340) Tandem: TROYMIMN55T 🔧 Explore Switch(CLLI: GRBLMIMNDS0))
810-695	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	GRANDBLANC	GRBLMIMNDS0	00/00/0000	Prefix Type: RBOC Switch Name: GRAND BLANC Switch Type: 5ESS LATA: Detroit MI (340) Tandem: TROYMIMN55T 🔧 Explore Switch(CLLI: GRBLMIMNDS0))
810-714	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	FENTON	FNTNMIMNDS0	00/00/0000	Prefix Type: RBOC Switch Name: FENTON DS0 Switch Type: EWSD LATA: Detroit MI (340) Tandem: TROYMIMN55T 🔧 Explore Switch(CLLI: FNTNMIMNDS0))
810-714 is split into 1,000-number blocks - detail below
810-714-0XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	FENTON	FNTNMIMNDS0	N/A	Prefix Type: RBOC Switch Name: FENTON DS0 Switch Type: EWSD LATA: Detroit MI (340) Tandem: TROYMIMN55T 🔧 Explore Switch(CLLI: FNTNMIMNDS0))
810-714-1XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	FENTON	FNTNMIMNDS0	N/A	Prefix Type: RBOC Switch Name: FENTON DS0 Switch Type: EWSD LATA: Detroit MI (340) Tandem: TROYMIMN55T 🔧 Explore Switch(CLLI: FNTNMIMNDS0))
810-714-2XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	FENTON	FNTNMIMNDS0	N/A	Prefix Type: RBOC Switch Name: FENTON DS0 Switch Type: EWSD LATA: Detroit MI (340) Tandem: TROYMIMN55T 🔧 Explore Switch(CLLI: FNTNMIMNDS0))
810-714-3XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	FENTON	FNTNMIMNDS0	N/A	Prefix Type: RBOC Switch Name: FENTON DS0 Switch Type: EWSD LATA: Detroit MI (340) Tandem: TROYMIMN55T 🔧 Explore Switch(CLLI: FNTNMIMNDS0))
810-714-4XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	FENTON	FNTNMIMNDS0	N/A	Prefix Type: RBOC Switch Name: FENTON DS0 Switch Type: EWSD LATA: Detroit MI (340) Tandem: TROYMIMN55T 🔧 Explore Switch(CLLI: FNTNMIMNDS0))
810-714-5XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	FENTON	FNTNMIMNDS0	N/A	Prefix Type: RBOC Switch Name: FENTON DS0 Switch Type: EWSD LATA: Detroit MI (340) Tandem: TROYMIMN55T 🔧 Explore Switch(CLLI: FNTNMIMNDS0))
810-714-7XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	FENTON	FNTNMIMNDS0	N/A	Prefix Type: RBOC Switch Name: FENTON DS0 Switch Type: EWSD LATA: Detroit MI (340) Tandem: TROYMIMN55T 🔧 Explore Switch(CLLI: FNTNMIMNDS0))
810-714-9XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	FENTON	FNTNMIMNDS0	N/A	Prefix Type: RBOC Switch Name: FENTON DS0 Switch Type: EWSD LATA: Detroit MI (340) Tandem: TROYMIMN55T 🔧 Explore Switch(CLLI: FNTNMIMNDS0))
810-715	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	FLINT	FLNTMINWDS0	00/00/0000	Prefix Type: RBOC Switch Name: FLINT NW DS0 Switch Type: 5ESS LATA: Detroit MI (340) Tandem: TROYMIMN55T 🔧 Explore Switch(CLLI: FLNTMINWDS0))
810-715 is split into 1,000-number blocks - detail below
810-715-0XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	FLINT	FLNTMINWDS0	N/A	Prefix Type: RBOC Switch Name: FLINT NW DS0 Switch Type: 5ESS LATA: Detroit MI (340) Tandem: TROYMIMN55T 🔧 Explore Switch(CLLI: FLNTMINWDS0))
810-715-1XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	FLINT	FLNTMINWDS0	N/A	Prefix Type: RBOC Switch Name: FLINT NW DS0 Switch Type: 5ESS LATA: Detroit MI (340) Tandem: TROYMIMN55T 🔧 Explore Switch(CLLI: FLNTMINWDS0))
810-715-2XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	FLINT	FLNTMINWDS0	N/A	Prefix Type: RBOC Switch Name: FLINT NW DS0 Switch Type: 5ESS LATA: Detroit MI (340) Tandem: TROYMIMN55T 🔧 Explore Switch(CLLI: FLNTMINWDS0))
810-715-3XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	FLINT	FLNTMINWDS0	N/A	Prefix Type: RBOC Switch Name: FLINT NW DS0 Switch Type: 5ESS LATA: Detroit MI (340) Tandem: TROYMIMN55T 🔧 Explore Switch(CLLI: FLNTMINWDS0))
810-715-4XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	FLINT	FLNTMINWDS0	N/A	Prefix Type: RBOC Switch Name: FLINT NW DS0 Switch Type: 5ESS LATA: Detroit MI (340) Tandem: TROYMIMN55T 🔧 Explore Switch(CLLI: FLNTMINWDS0))
810-715-7XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	FLINT	FLNTMINWDS0	N/A	Prefix Type: RBOC Switch Name: FLINT NW DS0 Switch Type: 5ESS LATA: Detroit MI (340) Tandem: TROYMIMN55T 🔧 Explore Switch(CLLI: FLNTMINWDS0))
810-715-8XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	FLINT	FLNTMINWDS0	N/A	Prefix Type: RBOC Switch Name: FLINT NW DS0 Switch Type: 5ESS LATA: Detroit MI (340) Tandem: TROYMIMN55T 🔧 Explore Switch(CLLI: FLNTMINWDS0))
810-720	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	FLINT	FLNTMINWDS0	00/00/0000	Prefix Type: RBOC Switch Name: FLINT NW DS0 Switch Type: 5ESS LATA: Detroit MI (340) Tandem: TROYMIMN55T 🔧 Explore Switch(CLLI: FLNTMINWDS0))
810-732	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	FLINT	FLNTMINWDS0	00/00/0000	Prefix Type: RBOC Switch Name: FLINT NW DS0 Switch Type: 5ESS LATA: Detroit MI (340) Tandem: TROYMIMN55T 🔧 Explore Switch(CLLI: FLNTMINWDS0))
810-733	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	FLINT	FLNTMINWDS0	00/00/0000	Prefix Type: RBOC Switch Name: FLINT NW DS0 Switch Type: 5ESS LATA: Detroit MI (340) Tandem: TROYMIMN55T 🔧 Explore Switch(CLLI: FLNTMINWDS0))
810-736	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	FLINT	FLNTMINEDS0	00/00/0000	Prefix Type: RBOC Switch Name: FLINT NE DS0 Switch Type: EWSD LATA: Detroit MI (340) Tandem: TROYMIMN55T 🔧 Explore Switch(CLLI: FLNTMINEDS0))
810-742	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	FLINT	BTNGMIPGDS0	00/00/0000	Prefix Type: RBOC Switch Name: BURTON Switch Type: 5ESS LATA: Detroit MI (340) Tandem: TROYMIMN55T 🔧 Explore Switch(CLLI: BTNGMIPGDS0))
810-743	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	FLINT	BTNGMIPGDS0	00/00/0000	Prefix Type: RBOC Switch Name: BURTON Switch Type: 5ESS LATA: Detroit MI (340) Tandem: TROYMIMN55T 🔧 Explore Switch(CLLI: BTNGMIPGDS0))
810-744	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	FLINT	BTNGMIPGDS0	00/00/0000	Prefix Type: RBOC Switch Name: BURTON Switch Type: 5ESS LATA: Detroit MI (340) Tandem: TROYMIMN55T 🔧 Explore Switch(CLLI: BTNGMIPGDS0))
810-748	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	ALGONAC	HRISMIMNRSA	00/00/0000	Prefix Type: RBOC Switch Name: HARSENS ISLAND Switch Type: N/A LATA: Detroit MI (340) Tandem: TROYMIMN55T 🔧 Explore Switch(CLLI: HRISMIMNRSA))
810-748 is split into 1,000-number blocks - detail below
810-748-3XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	ALGONAC	HRISMIMNRSA	N/A	Prefix Type: RBOC Switch Name: HARSENS ISLAND Switch Type: N/A LATA: Detroit MI (340) Tandem: TROYMIMN55T 🔧 Explore Switch(CLLI: HRISMIMNRSA))
810-748-9XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	ALGONAC	HRISMIMNRSA	N/A	Prefix Type: RBOC Switch Name: HARSENS ISLAND Switch Type: N/A LATA: Detroit MI (340) Tandem: TROYMIMN55T 🔧 Explore Switch(CLLI: HRISMIMNRSA))
810-750	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	FENTON	FNTNMIMNDS0	00/00/0000	Prefix Type: RBOC Switch Name: FENTON DS0 Switch Type: EWSD LATA: Detroit MI (340) Tandem: TROYMIMN55T 🔧 Explore Switch(CLLI: FNTNMIMNDS0))
810-760	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	FLINT	FLNTMIMNDS0	00/00/0000	Prefix Type: RBOC Switch Name: FLINT DS0 Switch Type: 5ESS LATA: Detroit MI (340) Tandem: TROYMIMN55T 🔧 Explore Switch(CLLI: FLNTMIMNDS0))
810-762	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	FLINT	FLNTMIMNDS1	00/00/0000	Prefix Type: RBOC Switch Name: FLINT DS1 Switch Type: DMS100 LATA: Detroit MI (340) Tandem: TROYMIMN55T 🔧 Explore Switch(CLLI: FLNTMIMNDS1))
810-765	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	MARINECITY	MRCYMIMNRSA	00/00/0000	Prefix Type: RBOC Switch Name: MARINE CITY Switch Type: N/A LATA: Detroit MI (340) Tandem: TROYMIMN55T 🔧 Explore Switch(CLLI: MRCYMIMNRSA))
810-766	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	FLINT	FLNTMIMNDS1	00/00/0000	Prefix Type: RBOC Switch Name: FLINT DS1 Switch Type: DMS100 LATA: Detroit MI (340) Tandem: TROYMIMN55T 🔧 Explore Switch(CLLI: FLNTMIMNDS1))
810-766 is split into 1,000-number blocks - detail below
810-766-0XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	FLINT	FLNTMIMNDS1	N/A	Prefix Type: RBOC Switch Name: FLINT DS1 Switch Type: DMS100 LATA: Detroit MI (340) Tandem: TROYMIMN55T 🔧 Explore Switch(CLLI: FLNTMIMNDS1))
810-766-1XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	FLINT	FLNTMIMNDS1	N/A	Prefix Type: RBOC Switch Name: FLINT DS1 Switch Type: DMS100 LATA: Detroit MI (340) Tandem: TROYMIMN55T 🔧 Explore Switch(CLLI: FLNTMIMNDS1))
810-766-2XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	FLINT	FLNTMIMNDS1	N/A	Prefix Type: RBOC Switch Name: FLINT DS1 Switch Type: DMS100 LATA: Detroit MI (340) Tandem: TROYMIMN55T 🔧 Explore Switch(CLLI: FLNTMIMNDS1))
810-766-4XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	FLINT	FLNTMIMNDS1	N/A	Prefix Type: RBOC Switch Name: FLINT DS1 Switch Type: DMS100 LATA: Detroit MI (340) Tandem: TROYMIMN55T 🔧 Explore Switch(CLLI: FLNTMIMNDS1))
810-766-5XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	FLINT	FLNTMIMNDS1	N/A	Prefix Type: RBOC Switch Name: FLINT DS1 Switch Type: DMS100 LATA: Detroit MI (340) Tandem: TROYMIMN55T 🔧 Explore Switch(CLLI: FLNTMIMNDS1))
810-766-6XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	FLINT	FLNTMIMNDS1	N/A	Prefix Type: RBOC Switch Name: FLINT DS1 Switch Type: DMS100 LATA: Detroit MI (340) Tandem: TROYMIMN55T 🔧 Explore Switch(CLLI: FLNTMIMNDS1))
810-766-7XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	FLINT	FLNTMIMNDS1	N/A	Prefix Type: RBOC Switch Name: FLINT DS1 Switch Type: DMS100 LATA: Detroit MI (340) Tandem: TROYMIMN55T 🔧 Explore Switch(CLLI: FLNTMIMNDS1))
810-766-8XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	FLINT	FLNTMIMNDS1	N/A	Prefix Type: RBOC Switch Name: FLINT DS1 Switch Type: DMS100 LATA: Detroit MI (340) Tandem: TROYMIMN55T 🔧 Explore Switch(CLLI: FLNTMIMNDS1))
810-767	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	FLINT	FLNTMIMNDS1	00/00/0000	Prefix Type: RBOC Switch Name: FLINT DS1 Switch Type: DMS100 LATA: Detroit MI (340) Tandem: TROYMIMN55T 🔧 Explore Switch(CLLI: FLNTMIMNDS1))
810-768	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	FLINT	FLNTMIMNDS1	00/00/0000	Prefix Type: RBOC Switch Name: FLINT DS1 Switch Type: DMS100 LATA: Detroit MI (340) Tandem: TROYMIMN55T 🔧 Explore Switch(CLLI: FLNTMIMNDS1))
810-768 is split into 1,000-number blocks - detail below
810-768-0XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	FLINT	FLNTMIMNDS1	N/A	Prefix Type: RBOC Switch Name: FLINT DS1 Switch Type: DMS100 LATA: Detroit MI (340) Tandem: TROYMIMN55T 🔧 Explore Switch(CLLI: FLNTMIMNDS1))
810-768-2XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	FLINT	FLNTMIMNDS1	N/A	Prefix Type: RBOC Switch Name: FLINT DS1 Switch Type: DMS100 LATA: Detroit MI (340) Tandem: TROYMIMN55T 🔧 Explore Switch(CLLI: FLNTMIMNDS1))
810-768-4XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	FLINT	FLNTMIMNDS1	N/A	Prefix Type: RBOC Switch Name: FLINT DS1 Switch Type: DMS100 LATA: Detroit MI (340) Tandem: TROYMIMN55T 🔧 Explore Switch(CLLI: FLNTMIMNDS1))
810-768-5XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	FLINT	FLNTMIMNDS1	N/A	Prefix Type: RBOC Switch Name: FLINT DS1 Switch Type: DMS100 LATA: Detroit MI (340) Tandem: TROYMIMN55T 🔧 Explore Switch(CLLI: FLNTMIMNDS1))
810-768-6XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	FLINT	FLNTMIMNDS1	N/A	Prefix Type: RBOC Switch Name: FLINT DS1 Switch Type: DMS100 LATA: Detroit MI (340) Tandem: TROYMIMN55T 🔧 Explore Switch(CLLI: FLNTMIMNDS1))
810-768-7XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	FLINT	FLNTMIMNDS1	N/A	Prefix Type: RBOC Switch Name: FLINT DS1 Switch Type: DMS100 LATA: Detroit MI (340) Tandem: TROYMIMN55T 🔧 Explore Switch(CLLI: FLNTMIMNDS1))
810-768-9XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	FLINT	FLNTMIMNDS1	N/A	Prefix Type: RBOC Switch Name: FLINT DS1 Switch Type: DMS100 LATA: Detroit MI (340) Tandem: TROYMIMN55T 🔧 Explore Switch(CLLI: FLNTMIMNDS1))
810-780	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	FLINT	FLNTMIMNDS1	00/00/0000	Prefix Type: RBOC Switch Name: FLINT DS1 Switch Type: DMS100 LATA: Detroit MI (340) Tandem: TROYMIMN55T 🔧 Explore Switch(CLLI: FLNTMIMNDS1))
810-780 is split into 1,000-number blocks - detail below
810-780-0XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	FLINT	FLNTMIMNDS1	N/A	Prefix Type: RBOC Switch Name: FLINT DS1 Switch Type: DMS100 LATA: Detroit MI (340) Tandem: TROYMIMN55T 🔧 Explore Switch(CLLI: FLNTMIMNDS1))
810-780-1XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	FLINT	FLNTMIMNDS1	N/A	Prefix Type: RBOC Switch Name: FLINT DS1 Switch Type: DMS100 LATA: Detroit MI (340) Tandem: TROYMIMN55T 🔧 Explore Switch(CLLI: FLNTMIMNDS1))
810-780-2XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	FLINT	FLNTMIMNDS1	N/A	Prefix Type: RBOC Switch Name: FLINT DS1 Switch Type: DMS100 LATA: Detroit MI (340) Tandem: TROYMIMN55T 🔧 Explore Switch(CLLI: FLNTMIMNDS1))
810-780-3XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	FLINT	FLNTMIMNDS1	N/A	Prefix Type: RBOC Switch Name: FLINT DS1 Switch Type: DMS100 LATA: Detroit MI (340) Tandem: TROYMIMN55T 🔧 Explore Switch(CLLI: FLNTMIMNDS1))
810-780-5XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	FLINT	FLNTMIMNDS1	N/A	Prefix Type: RBOC Switch Name: FLINT DS1 Switch Type: DMS100 LATA: Detroit MI (340) Tandem: TROYMIMN55T 🔧 Explore Switch(CLLI: FLNTMIMNDS1))
810-780-6XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	FLINT	FLNTMIMNDS1	N/A	Prefix Type: RBOC Switch Name: FLINT DS1 Switch Type: DMS100 LATA: Detroit MI (340) Tandem: TROYMIMN55T 🔧 Explore Switch(CLLI: FLNTMIMNDS1))
810-780-7XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	FLINT	FLNTMIMNDS1	N/A	Prefix Type: RBOC Switch Name: FLINT DS1 Switch Type: DMS100 LATA: Detroit MI (340) Tandem: TROYMIMN55T 🔧 Explore Switch(CLLI: FLNTMIMNDS1))
810-780-8XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	FLINT	FLNTMIMNDS1	N/A	Prefix Type: RBOC Switch Name: FLINT DS1 Switch Type: DMS100 LATA: Detroit MI (340) Tandem: TROYMIMN55T 🔧 Explore Switch(CLLI: FLNTMIMNDS1))
810-780-9XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	FLINT	FLNTMIMNDS1	N/A	Prefix Type: RBOC Switch Name: FLINT DS1 Switch Type: DMS100 LATA: Detroit MI (340) Tandem: TROYMIMN55T 🔧 Explore Switch(CLLI: FLNTMIMNDS1))
810-785	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	FLINT	FLNTMINRDS0	00/00/0000	Prefix Type: RBOC Switch Name: FLINT NR DS0 Switch Type: EWSD LATA: Detroit MI (340) Tandem: TROYMIMN55T 🔧 Explore Switch(CLLI: FLNTMINRDS0))
810-787	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	FLINT	FLNTMINRDS0	00/00/0000	Prefix Type: RBOC Switch Name: FLINT NR DS0 Switch Type: EWSD LATA: Detroit MI (340) Tandem: TROYMIMN55T 🔧 Explore Switch(CLLI: FLNTMINRDS0))
810-789	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	FLINT	FLNTMINRDS0	00/00/0000	Prefix Type: RBOC Switch Name: FLINT NR DS0 Switch Type: EWSD LATA: Detroit MI (340) Tandem: TROYMIMN55T 🔧 Explore Switch(CLLI: FLNTMINRDS0))
810-794	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	ALGONAC	ALGNMIMNRS0	00/00/0000	Prefix Type: RBOC Switch Name: ALGONAC Switch Type: N/A LATA: Detroit MI (340) Tandem: TROYMIMN55T 🔧 Explore Switch(CLLI: ALGNMIMNRS0))
810-794 is split into 1,000-number blocks - detail below
810-794-0XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	ALGONAC	ALGNMIMNRS0	N/A	Prefix Type: RBOC Switch Name: ALGONAC Switch Type: N/A LATA: Detroit MI (340) Tandem: TROYMIMN55T 🔧 Explore Switch(CLLI: ALGNMIMNRS0))
810-794-1XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	ALGONAC	ALGNMIMNRS0	N/A	Prefix Type: RBOC Switch Name: ALGONAC Switch Type: N/A LATA: Detroit MI (340) Tandem: TROYMIMN55T 🔧 Explore Switch(CLLI: ALGNMIMNRS0))
810-794-2XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	ALGONAC	ALGNMIMNRS0	N/A	Prefix Type: RBOC Switch Name: ALGONAC Switch Type: N/A LATA: Detroit MI (340) Tandem: TROYMIMN55T 🔧 Explore Switch(CLLI: ALGNMIMNRS0))
810-794-3XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	ALGONAC	ALGNMIMNRS0	N/A	Prefix Type: RBOC Switch Name: ALGONAC Switch Type: N/A LATA: Detroit MI (340) Tandem: TROYMIMN55T 🔧 Explore Switch(CLLI: ALGNMIMNRS0))
810-794-4XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	ALGONAC	ALGNMIMNRS0	N/A	Prefix Type: RBOC Switch Name: ALGONAC Switch Type: N/A LATA: Detroit MI (340) Tandem: TROYMIMN55T 🔧 Explore Switch(CLLI: ALGNMIMNRS0))
810-794-5XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	ALGONAC	ALGNMIMNRS0	N/A	Prefix Type: RBOC Switch Name: ALGONAC Switch Type: N/A LATA: Detroit MI (340) Tandem: TROYMIMN55T 🔧 Explore Switch(CLLI: ALGNMIMNRS0))
810-794-7XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	ALGONAC	ALGNMIMNRS0	N/A	Prefix Type: RBOC Switch Name: ALGONAC Switch Type: N/A LATA: Detroit MI (340) Tandem: TROYMIMN55T 🔧 Explore Switch(CLLI: ALGNMIMNRS0))
810-794-8XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	ALGONAC	ALGNMIMNRS0	N/A	Prefix Type: RBOC Switch Name: ALGONAC Switch Type: N/A LATA: Detroit MI (340) Tandem: TROYMIMN55T 🔧 Explore Switch(CLLI: ALGNMIMNRS0))
810-794-9XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	ALGONAC	ALGNMIMNRS0	N/A	Prefix Type: RBOC Switch Name: ALGONAC Switch Type: N/A LATA: Detroit MI (340) Tandem: TROYMIMN55T 🔧 Explore Switch(CLLI: ALGNMIMNRS0))
810-809	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	XXXXXXXXXX	NOCLLIKNOWN	00/00/0000	Prefix Type: RBOC Switch Name: N/A Switch Type: N/A LATA: N/A Tandem: N/A 🔧 Explore Switch(CLLI: NOCLLIKNOWN))
810-835	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	FLINT	FLNTMIMNDS1	00/00/0000	Prefix Type: RBOC Switch Name: FLINT DS1 Switch Type: DMS100 LATA: Detroit MI (340) Tandem: TROYMIMN55T 🔧 Explore Switch(CLLI: FLNTMIMNDS1))
810-835 is split into 1,000-number blocks - detail below
810-835-0XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	FLINT	FLNTMIMNDS1	N/A	Prefix Type: RBOC Switch Name: FLINT DS1 Switch Type: DMS100 LATA: Detroit MI (340) Tandem: TROYMIMN55T 🔧 Explore Switch(CLLI: FLNTMIMNDS1))
810-844	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	BRIGHTON	BITNMIESDS0	00/00/0000	Prefix Type: RBOC Switch Name: BRIGHTON ES Switch Type: DMS100 LATA: Detroit MI (340) Tandem: ANARMIMN20T 🔧 Explore Switch(CLLI: BITNMIESDS0))
810-844 is split into 1,000-number blocks - detail below
810-844-0XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	BRIGHTON	BITNMIESDS0	N/A	Prefix Type: RBOC Switch Name: BRIGHTON ES Switch Type: DMS100 LATA: Detroit MI (340) Tandem: ANARMIMN20T 🔧 Explore Switch(CLLI: BITNMIESDS0))
810-844-2XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	BRIGHTON	BITNMIESDS0	N/A	Prefix Type: RBOC Switch Name: BRIGHTON ES Switch Type: DMS100 LATA: Detroit MI (340) Tandem: ANARMIMN20T 🔧 Explore Switch(CLLI: BITNMIESDS0))
810-844-7XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	BRIGHTON	BITNMIESDS0	N/A	Prefix Type: RBOC Switch Name: BRIGHTON ES Switch Type: DMS100 LATA: Detroit MI (340) Tandem: ANARMIMN20T 🔧 Explore Switch(CLLI: BITNMIESDS0))
810-878	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	CROSWELL	CRSWMIMNRSA	00/00/0000	Prefix Type: RBOC Switch Name: CROSWELL Switch Type: N/A LATA: Detroit MI (340) Tandem: TROYMIMN55T 🔧 Explore Switch(CLLI: CRSWMIMNRSA))
810-878 is split into 1,000-number blocks - detail below
810-878-0XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	CROSWELL	CRSWMIMNRSA	N/A	Prefix Type: RBOC Switch Name: CROSWELL Switch Type: N/A LATA: Detroit MI (340) Tandem: TROYMIMN55T 🔧 Explore Switch(CLLI: CRSWMIMNRSA))
810-887	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	PORT HURON	PTHRMIMNDS1	01/15/2001	Prefix Type: RBOC Switch Name: PORT HURON DS1 Switch Type: DMS100 LATA: Detroit MI (340) Tandem: TROYMIMN55T 🔧 Explore Switch(CLLI: PTHRMIMNDS1))
810-887 is split into 1,000-number blocks - detail below
810-887-2XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	PORT HURON	PTHRMIMNDS1	09/17/2004	Prefix Type: RBOC Switch Name: PORT HURON DS1 Switch Type: DMS100 LATA: Detroit MI (340) Tandem: TROYMIMN55T 🔧 Explore Switch(CLLI: PTHRMIMNDS1))
810-887-3XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	PORT HURON	PTHRMIMNDS1	09/17/2004	Prefix Type: RBOC Switch Name: PORT HURON DS1 Switch Type: DMS100 LATA: Detroit MI (340) Tandem: TROYMIMN55T 🔧 Explore Switch(CLLI: PTHRMIMNDS1))
810-887-4XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	PORT HURON	PTHRMIMNDS1	09/17/2004	Prefix Type: RBOC Switch Name: PORT HURON DS1 Switch Type: DMS100 LATA: Detroit MI (340) Tandem: TROYMIMN55T 🔧 Explore Switch(CLLI: PTHRMIMNDS1))
810-887-5XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	PORT HURON	PTHRMIMNDS1	09/17/2004	Prefix Type: RBOC Switch Name: PORT HURON DS1 Switch Type: DMS100 LATA: Detroit MI (340) Tandem: TROYMIMN55T 🔧 Explore Switch(CLLI: PTHRMIMNDS1))
810-887-6XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	PORT HURON	PTHRMIMNDS1	09/17/2004	Prefix Type: RBOC Switch Name: PORT HURON DS1 Switch Type: DMS100 LATA: Detroit MI (340) Tandem: TROYMIMN55T 🔧 Explore Switch(CLLI: PTHRMIMNDS1))
810-953	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	GRANDBLANC	GRBLMIMNDS0	00/00/0000	Prefix Type: RBOC Switch Name: GRAND BLANC Switch Type: 5ESS LATA: Detroit MI (340) Tandem: TROYMIMN55T 🔧 Explore Switch(CLLI: GRBLMIMNDS0))
810-953 is split into 1,000-number blocks - detail below
810-953-0XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	GRANDBLANC	GRBLMIMNDS0	N/A	Prefix Type: RBOC Switch Name: GRAND BLANC Switch Type: 5ESS LATA: Detroit MI (340) Tandem: TROYMIMN55T 🔧 Explore Switch(CLLI: GRBLMIMNDS0))
810-953-1XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	GRANDBLANC	GRBLMIMNDS0	N/A	Prefix Type: RBOC Switch Name: GRAND BLANC Switch Type: 5ESS LATA: Detroit MI (340) Tandem: TROYMIMN55T 🔧 Explore Switch(CLLI: GRBLMIMNDS0))
810-953-3XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	GRANDBLANC	GRBLMIMNDS0	N/A	Prefix Type: RBOC Switch Name: GRAND BLANC Switch Type: 5ESS LATA: Detroit MI (340) Tandem: TROYMIMN55T 🔧 Explore Switch(CLLI: GRBLMIMNDS0))
810-953-4XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	GRANDBLANC	GRBLMIMNDS0	N/A	Prefix Type: RBOC Switch Name: GRAND BLANC Switch Type: 5ESS LATA: Detroit MI (340) Tandem: TROYMIMN55T 🔧 Explore Switch(CLLI: GRBLMIMNDS0))
810-953-5XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	GRANDBLANC	GRBLMIMNDS0	N/A	Prefix Type: RBOC Switch Name: GRAND BLANC Switch Type: 5ESS LATA: Detroit MI (340) Tandem: TROYMIMN55T 🔧 Explore Switch(CLLI: GRBLMIMNDS0))
810-953-6XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	GRANDBLANC	GRBLMIMNDS0	N/A	Prefix Type: RBOC Switch Name: GRAND BLANC Switch Type: 5ESS LATA: Detroit MI (340) Tandem: TROYMIMN55T 🔧 Explore Switch(CLLI: GRBLMIMNDS0))
810-953-7XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	GRANDBLANC	GRBLMIMNDS0	N/A	Prefix Type: RBOC Switch Name: GRAND BLANC Switch Type: 5ESS LATA: Detroit MI (340) Tandem: TROYMIMN55T 🔧 Explore Switch(CLLI: GRBLMIMNDS0))
810-953-9XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	GRANDBLANC	GRBLMIMNDS0	N/A	Prefix Type: RBOC Switch Name: GRAND BLANC Switch Type: 5ESS LATA: Detroit MI (340) Tandem: TROYMIMN55T 🔧 Explore Switch(CLLI: GRBLMIMNDS0))
810-966	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	PORT HURON	PTHRMIMNDS1	00/00/0000	Prefix Type: RBOC Switch Name: PORT HURON DS1 Switch Type: DMS100 LATA: Detroit MI (340) Tandem: TROYMIMN55T 🔧 Explore Switch(CLLI: PTHRMIMNDS1))
810-966 is split into 1,000-number blocks - detail below
810-966-0XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	PORT HURON	PTHRMIMNDS1	N/A	Prefix Type: RBOC Switch Name: PORT HURON DS1 Switch Type: DMS100 LATA: Detroit MI (340) Tandem: TROYMIMN55T 🔧 Explore Switch(CLLI: PTHRMIMNDS1))
810-966-1XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	PORT HURON	PTHRMIMNDS1	N/A	Prefix Type: RBOC Switch Name: PORT HURON DS1 Switch Type: DMS100 LATA: Detroit MI (340) Tandem: TROYMIMN55T 🔧 Explore Switch(CLLI: PTHRMIMNDS1))
810-966-2XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	PORT HURON	PTHRMIMNDS1	N/A	Prefix Type: RBOC Switch Name: PORT HURON DS1 Switch Type: DMS100 LATA: Detroit MI (340) Tandem: TROYMIMN55T 🔧 Explore Switch(CLLI: PTHRMIMNDS1))
810-966-3XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	PORT HURON	PTHRMIMNDS1	N/A	Prefix Type: RBOC Switch Name: PORT HURON DS1 Switch Type: DMS100 LATA: Detroit MI (340) Tandem: TROYMIMN55T 🔧 Explore Switch(CLLI: PTHRMIMNDS1))
810-966-4XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	PORT HURON	PTHRMIMNDS1	N/A	Prefix Type: RBOC Switch Name: PORT HURON DS1 Switch Type: DMS100 LATA: Detroit MI (340) Tandem: TROYMIMN55T 🔧 Explore Switch(CLLI: PTHRMIMNDS1))
810-966-5XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	PORT HURON	PTHRMIMNDS1	N/A	Prefix Type: RBOC Switch Name: PORT HURON DS1 Switch Type: DMS100 LATA: Detroit MI (340) Tandem: TROYMIMN55T 🔧 Explore Switch(CLLI: PTHRMIMNDS1))
810-966-7XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	PORT HURON	PTHRMIMNDS1	N/A	Prefix Type: RBOC Switch Name: PORT HURON DS1 Switch Type: DMS100 LATA: Detroit MI (340) Tandem: TROYMIMN55T 🔧 Explore Switch(CLLI: PTHRMIMNDS1))
810-966-8XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	PORT HURON	PTHRMIMNDS1	N/A	Prefix Type: RBOC Switch Name: PORT HURON DS1 Switch Type: DMS100 LATA: Detroit MI (340) Tandem: TROYMIMN55T 🔧 Explore Switch(CLLI: PTHRMIMNDS1))
810-966-9XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	PORT HURON	PTHRMIMNDS1	N/A	Prefix Type: RBOC Switch Name: PORT HURON DS1 Switch Type: DMS100 LATA: Detroit MI (340) Tandem: TROYMIMN55T 🔧 Explore Switch(CLLI: PTHRMIMNDS1))
810-982	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	PORT HURON	PTHRMIMNDS1	00/00/0000	Prefix Type: RBOC Switch Name: PORT HURON DS1 Switch Type: DMS100 LATA: Detroit MI (340) Tandem: TROYMIMN55T 🔧 Explore Switch(CLLI: PTHRMIMNDS1))
810-984	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	PORT HURON	PTHRMIMNDS1	00/00/0000	Prefix Type: RBOC Switch Name: PORT HURON DS1 Switch Type: DMS100 LATA: Detroit MI (340) Tandem: TROYMIMN55T 🔧 Explore Switch(CLLI: PTHRMIMNDS1))
810-985	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	PORT HURON	PTHRMIMNDS1	00/00/0000	Prefix Type: RBOC Switch Name: PORT HURON DS1 Switch Type: DMS100 LATA: Detroit MI (340) Tandem: TROYMIMN55T 🔧 Explore Switch(CLLI: PTHRMIMNDS1))
810-987	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	PORT HURON	PTHRMIMNDS1	00/00/0000	Prefix Type: RBOC Switch Name: PORT HURON DS1 Switch Type: DMS100 LATA: Detroit MI (340) Tandem: TROYMIMN55T 🔧 Explore Switch(CLLI: PTHRMIMNDS1))
810-989	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	PORT HURON	PTHRMIMNDS1	00/00/0000	Prefix Type: RBOC Switch Name: PORT HURON DS1 Switch Type: DMS100 LATA: Detroit MI (340) Tandem: TROYMIMN55T 🔧 Explore Switch(CLLI: PTHRMIMNDS1))
810-999	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	XXXXXXXXXX	NOCLLIKNOWN	00/00/0000	Prefix Type: RBOC Switch Name: N/A Switch Type: N/A LATA: N/A Tandem: N/A 🔧 Explore Switch(CLLI: NOCLLIKNOWN))
906-224	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	WAKEFIELD	WKFDMIMNRSA	00/00/0000	Prefix Type: RBOC Switch Name: WAKEFIELD Switch Type: N/A LATA: upper peninsula MI (342) Tandem: MRQTMIMN20T 🔧 Explore Switch(CLLI: WKFDMIMNRSA))
906-224 is split into 1,000-number blocks - detail below
906-224-1XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	WAKEFIELD	WKFDMIMNRSA	N/A	Prefix Type: RBOC Switch Name: WAKEFIELD Switch Type: N/A LATA: upper peninsula MI (342) Tandem: MRQTMIMN20T 🔧 Explore Switch(CLLI: WKFDMIMNRSA))
906-225	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	MARQUETTE	MRQTMIMNDS0	00/00/0000	Prefix Type: RBOC Switch Name: MARQUETTE DS0 Switch Type: DMS1/2 LATA: upper peninsula MI (342) Tandem: MRQTMIMN20T 🔧 Explore Switch(CLLI: MRQTMIMNDS0))
906-226	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	MARQUETTE	MRQTMIMNDS0	00/00/0000	Prefix Type: RBOC Switch Name: MARQUETTE DS0 Switch Type: DMS1/2 LATA: upper peninsula MI (342) Tandem: MRQTMIMN20T 🔧 Explore Switch(CLLI: MRQTMIMNDS0))
906-227	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	MARQUETTE	MRQTMIMNDS0	00/00/0000	Prefix Type: RBOC Switch Name: MARQUETTE DS0 Switch Type: DMS1/2 LATA: upper peninsula MI (342) Tandem: MRQTMIMN20T 🔧 Explore Switch(CLLI: MRQTMIMNDS0))
906-227 is split into 1,000-number blocks - detail below
906-227-0XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	MARQUETTE	MRQTMIMNDS0	N/A	Prefix Type: RBOC Switch Name: MARQUETTE DS0 Switch Type: DMS1/2 LATA: upper peninsula MI (342) Tandem: MRQTMIMN20T 🔧 Explore Switch(CLLI: MRQTMIMNDS0))
906-227-1XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	MARQUETTE	MRQTMIMNDS0	N/A	Prefix Type: RBOC Switch Name: MARQUETTE DS0 Switch Type: DMS1/2 LATA: upper peninsula MI (342) Tandem: MRQTMIMN20T 🔧 Explore Switch(CLLI: MRQTMIMNDS0))
906-227-2XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	MARQUETTE	MRQTMIMNDS0	N/A	Prefix Type: RBOC Switch Name: MARQUETTE DS0 Switch Type: DMS1/2 LATA: upper peninsula MI (342) Tandem: MRQTMIMN20T 🔧 Explore Switch(CLLI: MRQTMIMNDS0))
906-227-3XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	MARQUETTE	MRQTMIMNDS0	N/A	Prefix Type: RBOC Switch Name: MARQUETTE DS0 Switch Type: DMS1/2 LATA: upper peninsula MI (342) Tandem: MRQTMIMN20T 🔧 Explore Switch(CLLI: MRQTMIMNDS0))
906-227-4XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	MARQUETTE	MRQTMIMNDS0	N/A	Prefix Type: RBOC Switch Name: MARQUETTE DS0 Switch Type: DMS1/2 LATA: upper peninsula MI (342) Tandem: MRQTMIMN20T 🔧 Explore Switch(CLLI: MRQTMIMNDS0))
906-227-5XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	MARQUETTE	MRQTMIMNDS0	N/A	Prefix Type: RBOC Switch Name: MARQUETTE DS0 Switch Type: DMS1/2 LATA: upper peninsula MI (342) Tandem: MRQTMIMN20T 🔧 Explore Switch(CLLI: MRQTMIMNDS0))
906-227-6XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	MARQUETTE	MRQTMIMNDS0	N/A	Prefix Type: RBOC Switch Name: MARQUETTE DS0 Switch Type: DMS1/2 LATA: upper peninsula MI (342) Tandem: MRQTMIMN20T 🔧 Explore Switch(CLLI: MRQTMIMNDS0))
906-227-7XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	MARQUETTE	MRQTMIMNDS0	N/A	Prefix Type: RBOC Switch Name: MARQUETTE DS0 Switch Type: DMS1/2 LATA: upper peninsula MI (342) Tandem: MRQTMIMN20T 🔧 Explore Switch(CLLI: MRQTMIMNDS0))
906-227-9XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	MARQUETTE	MRQTMIMNDS0	N/A	Prefix Type: RBOC Switch Name: MARQUETTE DS0 Switch Type: DMS1/2 LATA: upper peninsula MI (342) Tandem: MRQTMIMN20T 🔧 Explore Switch(CLLI: MRQTMIMNDS0))
906-228	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	MARQUETTE	MRQTMIMNDS0	00/00/0000	Prefix Type: RBOC Switch Name: MARQUETTE DS0 Switch Type: DMS1/2 LATA: upper peninsula MI (342) Tandem: MRQTMIMN20T 🔧 Explore Switch(CLLI: MRQTMIMNDS0))
906-229	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	WAKEFIELD	WKFDMIMNRSA	00/00/0000	Prefix Type: RBOC Switch Name: WAKEFIELD Switch Type: N/A LATA: upper peninsula MI (342) Tandem: MRQTMIMN20T 🔧 Explore Switch(CLLI: WKFDMIMNRSA))
906-229 is split into 1,000-number blocks - detail below
906-229-2XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	WAKEFIELD	WKFDMIMNRSA	N/A	Prefix Type: RBOC Switch Name: WAKEFIELD Switch Type: N/A LATA: upper peninsula MI (342) Tandem: MRQTMIMN20T 🔧 Explore Switch(CLLI: WKFDMIMNRSA))
906-229-5XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	WAKEFIELD	WKFDMIMNRSA	N/A	Prefix Type: RBOC Switch Name: WAKEFIELD Switch Type: N/A LATA: upper peninsula MI (342) Tandem: MRQTMIMN20T 🔧 Explore Switch(CLLI: WKFDMIMNRSA))
906-233	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	ESCANABA	ESCNMIMNDS0	00/00/0000	Prefix Type: RBOC Switch Name: ESCANABA Switch Type: EWSD LATA: upper peninsula MI (342) Tandem: MRQTMIMN20T 🔧 Explore Switch(CLLI: ESCNMIMNDS0))
906-233 is split into 1,000-number blocks - detail below
906-233-0XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	ESCANABA	ESCNMIMNDS0	N/A	Prefix Type: RBOC Switch Name: ESCANABA Switch Type: EWSD LATA: upper peninsula MI (342) Tandem: MRQTMIMN20T 🔧 Explore Switch(CLLI: ESCNMIMNDS0))
906-233-1XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	ESCANABA	ESCNMIMNDS0	N/A	Prefix Type: RBOC Switch Name: ESCANABA Switch Type: EWSD LATA: upper peninsula MI (342) Tandem: MRQTMIMN20T 🔧 Explore Switch(CLLI: ESCNMIMNDS0))
906-233-2XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	ESCANABA	ESCNMIMNDS0	N/A	Prefix Type: RBOC Switch Name: ESCANABA Switch Type: EWSD LATA: upper peninsula MI (342) Tandem: MRQTMIMN20T 🔧 Explore Switch(CLLI: ESCNMIMNDS0))
906-233-3XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	ESCANABA	ESCNMIMNDS0	N/A	Prefix Type: RBOC Switch Name: ESCANABA Switch Type: EWSD LATA: upper peninsula MI (342) Tandem: MRQTMIMN20T 🔧 Explore Switch(CLLI: ESCNMIMNDS0))
906-233-4XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	ESCANABA	ESCNMIMNDS0	N/A	Prefix Type: RBOC Switch Name: ESCANABA Switch Type: EWSD LATA: upper peninsula MI (342) Tandem: MRQTMIMN20T 🔧 Explore Switch(CLLI: ESCNMIMNDS0))
906-233-9XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	ESCANABA	ESCNMIMNDS0	N/A	Prefix Type: RBOC Switch Name: ESCANABA Switch Type: EWSD LATA: upper peninsula MI (342) Tandem: MRQTMIMN20T 🔧 Explore Switch(CLLI: ESCNMIMNDS0))
906-249	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	MARQUETTE	HRVYMIMNRSA	00/00/0000	Prefix Type: RBOC Switch Name: HARVEY Switch Type: N/A LATA: upper peninsula MI (342) Tandem: MRQTMIMN20T 🔧 Explore Switch(CLLI: HRVYMIMNRSA))
906-249 is split into 1,000-number blocks - detail below
906-249-1XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	MARQUETTE	HRVYMIMNRSA	N/A	Prefix Type: RBOC Switch Name: HARVEY Switch Type: N/A LATA: upper peninsula MI (342) Tandem: MRQTMIMN20T 🔧 Explore Switch(CLLI: HRVYMIMNRSA))
906-249-2XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	MARQUETTE	HRVYMIMNRSA	N/A	Prefix Type: RBOC Switch Name: HARVEY Switch Type: N/A LATA: upper peninsula MI (342) Tandem: MRQTMIMN20T 🔧 Explore Switch(CLLI: HRVYMIMNRSA))
906-249-3XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	MARQUETTE	HRVYMIMNRSA	N/A	Prefix Type: RBOC Switch Name: HARVEY Switch Type: N/A LATA: upper peninsula MI (342) Tandem: MRQTMIMN20T 🔧 Explore Switch(CLLI: HRVYMIMNRSA))
906-249-4XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	MARQUETTE	HRVYMIMNRSA	N/A	Prefix Type: RBOC Switch Name: HARVEY Switch Type: N/A LATA: upper peninsula MI (342) Tandem: MRQTMIMN20T 🔧 Explore Switch(CLLI: HRVYMIMNRSA))
906-249-5XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	MARQUETTE	HRVYMIMNRSA	N/A	Prefix Type: RBOC Switch Name: HARVEY Switch Type: N/A LATA: upper peninsula MI (342) Tandem: MRQTMIMN20T 🔧 Explore Switch(CLLI: HRVYMIMNRSA))
906-249-8XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	MARQUETTE	HRVYMIMNRSA	N/A	Prefix Type: RBOC Switch Name: HARVEY Switch Type: N/A LATA: upper peninsula MI (342) Tandem: MRQTMIMN20T 🔧 Explore Switch(CLLI: HRVYMIMNRSA))
906-249-9XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	MARQUETTE	HRVYMIMNRSA	N/A	Prefix Type: RBOC Switch Name: HARVEY Switch Type: N/A LATA: upper peninsula MI (342) Tandem: MRQTMIMN20T 🔧 Explore Switch(CLLI: HRVYMIMNRSA))
906-253	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	SALTSTMARI	SSMRMIMNDS0	00/00/0000	Prefix Type: RBOC Switch Name: SAULT STE MARIE Switch Type: EWSD LATA: upper peninsula MI (342) Tandem: MRQTMIMN20T 🔧 Explore Switch(CLLI: SSMRMIMNDS0))
906-253 is split into 1,000-number blocks - detail below
906-253-0XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	SALTSTMARI	SSMRMIMNDS0	N/A	Prefix Type: RBOC Switch Name: SAULT STE MARIE Switch Type: EWSD LATA: upper peninsula MI (342) Tandem: MRQTMIMN20T 🔧 Explore Switch(CLLI: SSMRMIMNDS0))
906-253-1XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	SALTSTMARI	SSMRMIMNDS0	N/A	Prefix Type: RBOC Switch Name: SAULT STE MARIE Switch Type: EWSD LATA: upper peninsula MI (342) Tandem: MRQTMIMN20T 🔧 Explore Switch(CLLI: SSMRMIMNDS0))
906-253-2XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	SALTSTMARI	SSMRMIMNDS0	N/A	Prefix Type: RBOC Switch Name: SAULT STE MARIE Switch Type: EWSD LATA: upper peninsula MI (342) Tandem: MRQTMIMN20T 🔧 Explore Switch(CLLI: SSMRMIMNDS0))
906-253-6XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	SALTSTMARI	SSMRMIMNDS0	N/A	Prefix Type: RBOC Switch Name: SAULT STE MARIE Switch Type: EWSD LATA: upper peninsula MI (342) Tandem: MRQTMIMN20T 🔧 Explore Switch(CLLI: SSMRMIMNDS0))
906-253-7XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	SALTSTMARI	SSMRMIMNDS0	N/A	Prefix Type: RBOC Switch Name: SAULT STE MARIE Switch Type: EWSD LATA: upper peninsula MI (342) Tandem: MRQTMIMN20T 🔧 Explore Switch(CLLI: SSMRMIMNDS0))
906-253-9XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	SALTSTMARI	SSMRMIMNDS0	N/A	Prefix Type: RBOC Switch Name: SAULT STE MARIE Switch Type: EWSD LATA: upper peninsula MI (342) Tandem: MRQTMIMN20T 🔧 Explore Switch(CLLI: SSMRMIMNDS0))
906-264	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	MARQUETTE	MRQTMIMNDS0	00/00/0000	Prefix Type: RBOC Switch Name: MARQUETTE DS0 Switch Type: DMS1/2 LATA: upper peninsula MI (342) Tandem: MRQTMIMN20T 🔧 Explore Switch(CLLI: MRQTMIMNDS0))
906-264 is split into 1,000-number blocks - detail below
906-264-0XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	MARQUETTE	MRQTMIMNDS0	N/A	Prefix Type: RBOC Switch Name: MARQUETTE DS0 Switch Type: DMS1/2 LATA: upper peninsula MI (342) Tandem: MRQTMIMN20T 🔧 Explore Switch(CLLI: MRQTMIMNDS0))
906-265	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	IRON RIVER	IRRVMIMNRSA	00/00/0000	Prefix Type: RBOC Switch Name: IRON RIVER Switch Type: N/A LATA: upper peninsula MI (342) Tandem: MRQTMIMN20T 🔧 Explore Switch(CLLI: IRRVMIMNRSA))
906-265 is split into 1,000-number blocks - detail below
906-265-0XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	IRON RIVER	IRRVMIMNRSA	N/A	Prefix Type: RBOC Switch Name: IRON RIVER Switch Type: N/A LATA: upper peninsula MI (342) Tandem: MRQTMIMN20T 🔧 Explore Switch(CLLI: IRRVMIMNRSA))
906-265-1XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	IRON RIVER	IRRVMIMNRSA	N/A	Prefix Type: RBOC Switch Name: IRON RIVER Switch Type: N/A LATA: upper peninsula MI (342) Tandem: MRQTMIMN20T 🔧 Explore Switch(CLLI: IRRVMIMNRSA))
906-265-2XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	IRON RIVER	IRRVMIMNRSA	N/A	Prefix Type: RBOC Switch Name: IRON RIVER Switch Type: N/A LATA: upper peninsula MI (342) Tandem: MRQTMIMN20T 🔧 Explore Switch(CLLI: IRRVMIMNRSA))
906-265-3XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	IRON RIVER	IRRVMIMNRSA	N/A	Prefix Type: RBOC Switch Name: IRON RIVER Switch Type: N/A LATA: upper peninsula MI (342) Tandem: MRQTMIMN20T 🔧 Explore Switch(CLLI: IRRVMIMNRSA))
906-265-4XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	IRON RIVER	IRRVMIMNRSA	N/A	Prefix Type: RBOC Switch Name: IRON RIVER Switch Type: N/A LATA: upper peninsula MI (342) Tandem: MRQTMIMN20T 🔧 Explore Switch(CLLI: IRRVMIMNRSA))
906-265-5XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	IRON RIVER	IRRVMIMNRSA	N/A	Prefix Type: RBOC Switch Name: IRON RIVER Switch Type: N/A LATA: upper peninsula MI (342) Tandem: MRQTMIMN20T 🔧 Explore Switch(CLLI: IRRVMIMNRSA))
906-265-6XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	IRON RIVER	IRRVMIMNRSA	N/A	Prefix Type: RBOC Switch Name: IRON RIVER Switch Type: N/A LATA: upper peninsula MI (342) Tandem: MRQTMIMN20T 🔧 Explore Switch(CLLI: IRRVMIMNRSA))
906-265-7XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	IRON RIVER	IRRVMIMNRSA	N/A	Prefix Type: RBOC Switch Name: IRON RIVER Switch Type: N/A LATA: upper peninsula MI (342) Tandem: MRQTMIMN20T 🔧 Explore Switch(CLLI: IRRVMIMNRSA))
906-265-9XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	IRON RIVER	IRRVMIMNRSA	N/A	Prefix Type: RBOC Switch Name: IRON RIVER Switch Type: N/A LATA: upper peninsula MI (342) Tandem: MRQTMIMN20T 🔧 Explore Switch(CLLI: IRRVMIMNRSA))
906-289	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	KEWEENAW	KWNWMIMNRSA	00/00/0000	Prefix Type: RBOC Switch Name: KEWEENAW Switch Type: N/A LATA: upper peninsula MI (342) Tandem: MRQTMIMN20T 🔧 Explore Switch(CLLI: KWNWMIMNRSA))
906-289 is split into 1,000-number blocks - detail below
906-289-4XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	KEWEENAW	KWNWMIMNRSA	N/A	Prefix Type: RBOC Switch Name: KEWEENAW Switch Type: N/A LATA: upper peninsula MI (342) Tandem: MRQTMIMN20T 🔧 Explore Switch(CLLI: KWNWMIMNRSA))
906-292	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	BREVORT	STIGMIMNRSA	00/00/0000	Prefix Type: RBOC Switch Name: ST IGNACE Switch Type: N/A LATA: upper peninsula MI (342) Tandem: MRQTMIMN20T 🔧 Explore Switch(CLLI: STIGMIMNRSA))
906-292 is split into 1,000-number blocks - detail below
906-292-5XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	BREVORT	STIGMIMNRSA	N/A	Prefix Type: RBOC Switch Name: ST IGNACE Switch Type: N/A LATA: upper peninsula MI (342) Tandem: MRQTMIMN20T 🔧 Explore Switch(CLLI: STIGMIMNRSA))
906-293	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	NEWBERRY	NWBYMIMNRSA	00/00/0000	Prefix Type: RBOC Switch Name: NEWBERRY Switch Type: N/A LATA: upper peninsula MI (342) Tandem: MRQTMIMN20T 🔧 Explore Switch(CLLI: NWBYMIMNRSA))
906-293 is split into 1,000-number blocks - detail below
906-293-1XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	NEWBERRY	NWBYMIMNRSA	N/A	Prefix Type: RBOC Switch Name: NEWBERRY Switch Type: N/A LATA: upper peninsula MI (342) Tandem: MRQTMIMN20T 🔧 Explore Switch(CLLI: NWBYMIMNRSA))
906-293-3XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	NEWBERRY	NWBYMIMNRSA	N/A	Prefix Type: RBOC Switch Name: NEWBERRY Switch Type: N/A LATA: upper peninsula MI (342) Tandem: MRQTMIMN20T 🔧 Explore Switch(CLLI: NWBYMIMNRSA))
906-293-4XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	NEWBERRY	NWBYMIMNRSA	N/A	Prefix Type: RBOC Switch Name: NEWBERRY Switch Type: N/A LATA: upper peninsula MI (342) Tandem: MRQTMIMN20T 🔧 Explore Switch(CLLI: NWBYMIMNRSA))
906-293-5XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	NEWBERRY	NWBYMIMNRSA	N/A	Prefix Type: RBOC Switch Name: NEWBERRY Switch Type: N/A LATA: upper peninsula MI (342) Tandem: MRQTMIMN20T 🔧 Explore Switch(CLLI: NWBYMIMNRSA))
906-293-6XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	NEWBERRY	NWBYMIMNRSA	N/A	Prefix Type: RBOC Switch Name: NEWBERRY Switch Type: N/A LATA: upper peninsula MI (342) Tandem: MRQTMIMN20T 🔧 Explore Switch(CLLI: NWBYMIMNRSA))
906-293-8XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	NEWBERRY	NWBYMIMNRSA	N/A	Prefix Type: RBOC Switch Name: NEWBERRY Switch Type: N/A LATA: upper peninsula MI (342) Tandem: MRQTMIMN20T 🔧 Explore Switch(CLLI: NWBYMIMNRSA))
906-293-9XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	NEWBERRY	NWBYMIMNRSA	N/A	Prefix Type: RBOC Switch Name: NEWBERRY Switch Type: N/A LATA: upper peninsula MI (342) Tandem: MRQTMIMN20T 🔧 Explore Switch(CLLI: NWBYMIMNRSA))
906-296	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	LAKELINDEN	LKLIMIMNRSA	00/00/0000	Prefix Type: RBOC Switch Name: LAKE LINDEN Switch Type: N/A LATA: upper peninsula MI (342) Tandem: MRQTMIMN20T 🔧 Explore Switch(CLLI: LKLIMIMNRSA))
906-296 is split into 1,000-number blocks - detail below
906-296-0XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	LAKELINDEN	LKLIMIMNRSA	N/A	Prefix Type: RBOC Switch Name: LAKE LINDEN Switch Type: N/A LATA: upper peninsula MI (342) Tandem: MRQTMIMN20T 🔧 Explore Switch(CLLI: LKLIMIMNRSA))
906-296-1XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	LAKELINDEN	LKLIMIMNRSA	N/A	Prefix Type: RBOC Switch Name: LAKE LINDEN Switch Type: N/A LATA: upper peninsula MI (342) Tandem: MRQTMIMN20T 🔧 Explore Switch(CLLI: LKLIMIMNRSA))
906-296-8XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	LAKELINDEN	LKLIMIMNRSA	N/A	Prefix Type: RBOC Switch Name: LAKE LINDEN Switch Type: N/A LATA: upper peninsula MI (342) Tandem: MRQTMIMN20T 🔧 Explore Switch(CLLI: LKLIMIMNRSA))
906-296-9XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	LAKELINDEN	LKLIMIMNRSA	N/A	Prefix Type: RBOC Switch Name: LAKE LINDEN Switch Type: N/A LATA: upper peninsula MI (342) Tandem: MRQTMIMN20T 🔧 Explore Switch(CLLI: LKLIMIMNRSA))
906-323	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	MICHIGAMME	MCHGMIMNRSA	00/00/0000	Prefix Type: RBOC Switch Name: MICHIGAMME Switch Type: N/A LATA: upper peninsula MI (342) Tandem: MRQTMIMN20T 🔧 Explore Switch(CLLI: MCHGMIMNRSA))
906-323 is split into 1,000-number blocks - detail below
906-323-6XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	MICHIGAMME	MCHGMIMNRSA	N/A	Prefix Type: RBOC Switch Name: MICHIGAMME Switch Type: N/A LATA: upper peninsula MI (342) Tandem: MRQTMIMN20T 🔧 Explore Switch(CLLI: MCHGMIMNRSA))
906-337	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	CALUMET	CALMMIMNRSA	00/00/0000	Prefix Type: RBOC Switch Name: CALUMET Switch Type: N/A LATA: upper peninsula MI (342) Tandem: MRQTMIMN20T 🔧 Explore Switch(CLLI: CALMMIMNRSA))
906-337 is split into 1,000-number blocks - detail below
906-337-0XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	CALUMET	CALMMIMNRSA	N/A	Prefix Type: RBOC Switch Name: CALUMET Switch Type: N/A LATA: upper peninsula MI (342) Tandem: MRQTMIMN20T 🔧 Explore Switch(CLLI: CALMMIMNRSA))
906-337-1XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	CALUMET	CALMMIMNRSA	N/A	Prefix Type: RBOC Switch Name: CALUMET Switch Type: N/A LATA: upper peninsula MI (342) Tandem: MRQTMIMN20T 🔧 Explore Switch(CLLI: CALMMIMNRSA))
906-337-2XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	CALUMET	CALMMIMNRSA	N/A	Prefix Type: RBOC Switch Name: CALUMET Switch Type: N/A LATA: upper peninsula MI (342) Tandem: MRQTMIMN20T 🔧 Explore Switch(CLLI: CALMMIMNRSA))
906-337-3XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	CALUMET	CALMMIMNRSA	N/A	Prefix Type: RBOC Switch Name: CALUMET Switch Type: N/A LATA: upper peninsula MI (342) Tandem: MRQTMIMN20T 🔧 Explore Switch(CLLI: CALMMIMNRSA))
906-337-4XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	CALUMET	CALMMIMNRSA	N/A	Prefix Type: RBOC Switch Name: CALUMET Switch Type: N/A LATA: upper peninsula MI (342) Tandem: MRQTMIMN20T 🔧 Explore Switch(CLLI: CALMMIMNRSA))
906-337-5XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	CALUMET	CALMMIMNRSA	N/A	Prefix Type: RBOC Switch Name: CALUMET Switch Type: N/A LATA: upper peninsula MI (342) Tandem: MRQTMIMN20T 🔧 Explore Switch(CLLI: CALMMIMNRSA))
906-337-6XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	CALUMET	CALMMIMNRSA	N/A	Prefix Type: RBOC Switch Name: CALUMET Switch Type: N/A LATA: upper peninsula MI (342) Tandem: MRQTMIMN20T 🔧 Explore Switch(CLLI: CALMMIMNRSA))
906-339	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	CHAMPION	CHMPMIMNRSA	00/00/0000	Prefix Type: RBOC Switch Name: CHAMPION Switch Type: N/A LATA: upper peninsula MI (342) Tandem: MRQTMIMN20T 🔧 Explore Switch(CLLI: CHMPMIMNRSA))
906-339 is split into 1,000-number blocks - detail below
906-339-2XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	CHAMPION	CHMPMIMNRSA	N/A	Prefix Type: RBOC Switch Name: CHAMPION Switch Type: N/A LATA: upper peninsula MI (342) Tandem: MRQTMIMN20T 🔧 Explore Switch(CLLI: CHMPMIMNRSA))
906-339-4XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	CHAMPION	CHMPMIMNRSA	N/A	Prefix Type: RBOC Switch Name: CHAMPION Switch Type: N/A LATA: upper peninsula MI (342) Tandem: MRQTMIMN20T 🔧 Explore Switch(CLLI: CHMPMIMNRSA))
906-345	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	BIG BAY	MRQTMIMNDS1	00/00/0000	Prefix Type: RBOC Switch Name: MARQUETTE DS1 Switch Type: EWSD LATA: upper peninsula MI (342) Tandem: MRQTMIMN20T 🔧 Explore Switch(CLLI: MRQTMIMNDS1))
906-345 is split into 1,000-number blocks - detail below
906-345-0XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	BIG BAY	MRQTMIMNDS1	N/A	Prefix Type: RBOC Switch Name: MARQUETTE DS1 Switch Type: EWSD LATA: upper peninsula MI (342) Tandem: MRQTMIMN20T 🔧 Explore Switch(CLLI: MRQTMIMNDS1))
906-345-9XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	BIG BAY	MRQTMIMNDS1	N/A	Prefix Type: RBOC Switch Name: MARQUETTE DS1 Switch Type: EWSD LATA: upper peninsula MI (342) Tandem: MRQTMIMN20T 🔧 Explore Switch(CLLI: MRQTMIMNDS1))
906-346	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	GWINN	GWNNMIMNRSA	00/00/0000	Prefix Type: RBOC Switch Name: GWINN Switch Type: N/A LATA: upper peninsula MI (342) Tandem: MRQTMIMN20T 🔧 Explore Switch(CLLI: GWNNMIMNRSA))
906-346 is split into 1,000-number blocks - detail below
906-346-0XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	GWINN	GWNNMIMNRSA	N/A	Prefix Type: RBOC Switch Name: GWINN Switch Type: N/A LATA: upper peninsula MI (342) Tandem: MRQTMIMN20T 🔧 Explore Switch(CLLI: GWNNMIMNRSA))
906-346-3XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	GWINN	GWNNMIMNRSA	N/A	Prefix Type: RBOC Switch Name: GWINN Switch Type: N/A LATA: upper peninsula MI (342) Tandem: MRQTMIMN20T 🔧 Explore Switch(CLLI: GWNNMIMNRSA))
906-346-4XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	GWINN	GWNNMIMNRSA	N/A	Prefix Type: RBOC Switch Name: GWINN Switch Type: N/A LATA: upper peninsula MI (342) Tandem: MRQTMIMN20T 🔧 Explore Switch(CLLI: GWNNMIMNRSA))
906-346-5XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	GWINN	GWNNMIMNRSA	N/A	Prefix Type: RBOC Switch Name: GWINN Switch Type: N/A LATA: upper peninsula MI (342) Tandem: MRQTMIMN20T 🔧 Explore Switch(CLLI: GWNNMIMNRSA))
906-346-6XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	GWINN	GWNNMIMNRSA	N/A	Prefix Type: RBOC Switch Name: GWINN Switch Type: N/A LATA: upper peninsula MI (342) Tandem: MRQTMIMN20T 🔧 Explore Switch(CLLI: GWNNMIMNRSA))
906-346-7XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	GWINN	GWNNMIMNRSA	N/A	Prefix Type: RBOC Switch Name: GWINN Switch Type: N/A LATA: upper peninsula MI (342) Tandem: MRQTMIMN20T 🔧 Explore Switch(CLLI: GWNNMIMNRSA))
906-346-8XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	GWINN	GWNNMIMNRSA	N/A	Prefix Type: RBOC Switch Name: GWINN Switch Type: N/A LATA: upper peninsula MI (342) Tandem: MRQTMIMN20T 🔧 Explore Switch(CLLI: GWNNMIMNRSA))
906-346-9XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	GWINN	GWNNMIMNRSA	N/A	Prefix Type: RBOC Switch Name: GWINN Switch Type: N/A LATA: upper peninsula MI (342) Tandem: MRQTMIMN20T 🔧 Explore Switch(CLLI: GWNNMIMNRSA))
906-356	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	ROCK	ROCKMIMNRSA	00/00/0000	Prefix Type: RBOC Switch Name: ROCK PERKINS Switch Type: N/A LATA: upper peninsula MI (342) Tandem: MRQTMIMN20T 🔧 Explore Switch(CLLI: ROCKMIMNRSA))
906-356 is split into 1,000-number blocks - detail below
906-356-6XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	ROCK	ROCKMIMNRSA	N/A	Prefix Type: RBOC Switch Name: ROCK PERKINS Switch Type: N/A LATA: upper peninsula MI (342) Tandem: MRQTMIMN20T 🔧 Explore Switch(CLLI: ROCKMIMNRSA))
906-358	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	WATERSMEET	WTRMMIMNRSA	00/00/0000	Prefix Type: RBOC Switch Name: WATERSMEET Switch Type: N/A LATA: upper peninsula MI (342) Tandem: MRQTMIMN20T 🔧 Explore Switch(CLLI: WTRMMIMNRSA))
906-358 is split into 1,000-number blocks - detail below
906-358-0XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	WATERSMEET	WTRMMIMNRSA	N/A	Prefix Type: RBOC Switch Name: WATERSMEET Switch Type: N/A LATA: upper peninsula MI (342) Tandem: MRQTMIMN20T 🔧 Explore Switch(CLLI: WTRMMIMNRSA))
906-358-4XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	WATERSMEET	WTRMMIMNRSA	N/A	Prefix Type: RBOC Switch Name: WATERSMEET Switch Type: N/A LATA: upper peninsula MI (342) Tandem: MRQTMIMN20T 🔧 Explore Switch(CLLI: WTRMMIMNRSA))
906-359	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	PERKINS	ROCKMIMNRSA	00/00/0000	Prefix Type: RBOC Switch Name: ROCK PERKINS Switch Type: N/A LATA: upper peninsula MI (342) Tandem: MRQTMIMN20T 🔧 Explore Switch(CLLI: ROCKMIMNRSA))
906-359 is split into 1,000-number blocks - detail below
906-359-4XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	PERKINS	ROCKMIMNRSA	N/A	Prefix Type: RBOC Switch Name: ROCK PERKINS Switch Type: N/A LATA: upper peninsula MI (342) Tandem: MRQTMIMN20T 🔧 Explore Switch(CLLI: ROCKMIMNRSA))
906-372	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	GWINN	GWNNMIMNRSA	00/00/0000	Prefix Type: RBOC Switch Name: GWINN Switch Type: N/A LATA: upper peninsula MI (342) Tandem: MRQTMIMN20T 🔧 Explore Switch(CLLI: GWNNMIMNRSA))
906-372 is split into 1,000-number blocks - detail below
906-372-1XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	GWINN	GWNNMIMNRSA	N/A	Prefix Type: RBOC Switch Name: GWINN Switch Type: N/A LATA: upper peninsula MI (342) Tandem: MRQTMIMN20T 🔧 Explore Switch(CLLI: GWNNMIMNRSA))
906-372-2XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	GWINN	GWNNMIMNRSA	N/A	Prefix Type: RBOC Switch Name: GWINN Switch Type: N/A LATA: upper peninsula MI (342) Tandem: MRQTMIMN20T 🔧 Explore Switch(CLLI: GWNNMIMNRSA))
906-372-9XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	GWINN	GWNNMIMNRSA	N/A	Prefix Type: RBOC Switch Name: GWINN Switch Type: N/A LATA: upper peninsula MI (342) Tandem: MRQTMIMN20T 🔧 Explore Switch(CLLI: GWNNMIMNRSA))
906-376	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	REPUBLIC	RPBLMIMNRSA	00/00/0000	Prefix Type: RBOC Switch Name: REPUBLIC Switch Type: N/A LATA: upper peninsula MI (342) Tandem: MRQTMIMN20T 🔧 Explore Switch(CLLI: RPBLMIMNRSA))
906-376 is split into 1,000-number blocks - detail below
906-376-2XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	REPUBLIC	RPBLMIMNRSA	N/A	Prefix Type: RBOC Switch Name: REPUBLIC Switch Type: N/A LATA: upper peninsula MI (342) Tandem: MRQTMIMN20T 🔧 Explore Switch(CLLI: RPBLMIMNRSA))
906-376-8XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	REPUBLIC	RPBLMIMNRSA	N/A	Prefix Type: RBOC Switch Name: REPUBLIC Switch Type: N/A LATA: upper peninsula MI (342) Tandem: MRQTMIMN20T 🔧 Explore Switch(CLLI: RPBLMIMNRSA))
906-384	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	CORNELL	CRNLMIMNRSA	00/00/0000	Prefix Type: RBOC Switch Name: CORNELL Switch Type: N/A LATA: upper peninsula MI (342) Tandem: MRQTMIMN20T 🔧 Explore Switch(CLLI: CRNLMIMNRSA))
906-384 is split into 1,000-number blocks - detail below
906-384-6XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	CORNELL	CRNLMIMNRSA	N/A	Prefix Type: RBOC Switch Name: CORNELL Switch Type: N/A LATA: upper peninsula MI (342) Tandem: MRQTMIMN20T 🔧 Explore Switch(CLLI: CRNLMIMNRSA))
906-428	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	GLADSTONE	GLDSMIGERSA	00/00/0000	Prefix Type: RBOC Switch Name: GLADSTONE Switch Type: N/A LATA: upper peninsula MI (342) Tandem: MRQTMIMN20T 🔧 Explore Switch(CLLI: GLDSMIGERSA))
906-428 is split into 1,000-number blocks - detail below
906-428-1XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	GLADSTONE	GLDSMIGERSA	N/A	Prefix Type: RBOC Switch Name: GLADSTONE Switch Type: N/A LATA: upper peninsula MI (342) Tandem: MRQTMIMN20T 🔧 Explore Switch(CLLI: GLDSMIGERSA))
906-428-2XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	GLADSTONE	GLDSMIGERSA	N/A	Prefix Type: RBOC Switch Name: GLADSTONE Switch Type: N/A LATA: upper peninsula MI (342) Tandem: MRQTMIMN20T 🔧 Explore Switch(CLLI: GLDSMIGERSA))
906-428-3XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	GLADSTONE	GLDSMIGERSA	N/A	Prefix Type: RBOC Switch Name: GLADSTONE Switch Type: N/A LATA: upper peninsula MI (342) Tandem: MRQTMIMN20T 🔧 Explore Switch(CLLI: GLDSMIGERSA))
906-428-4XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	GLADSTONE	GLDSMIGERSA	N/A	Prefix Type: RBOC Switch Name: GLADSTONE Switch Type: N/A LATA: upper peninsula MI (342) Tandem: MRQTMIMN20T 🔧 Explore Switch(CLLI: GLDSMIGERSA))
906-428-5XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	GLADSTONE	GLDSMIGERSA	N/A	Prefix Type: RBOC Switch Name: GLADSTONE Switch Type: N/A LATA: upper peninsula MI (342) Tandem: MRQTMIMN20T 🔧 Explore Switch(CLLI: GLDSMIGERSA))
906-428-9XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	GLADSTONE	GLDSMIGERSA	N/A	Prefix Type: RBOC Switch Name: GLADSTONE Switch Type: N/A LATA: upper peninsula MI (342) Tandem: MRQTMIMN20T 🔧 Explore Switch(CLLI: GLDSMIGERSA))
906-466	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	BARK RIVER	BRRVMIMNRSA	00/00/0000	Prefix Type: RBOC Switch Name: BARK RIVER Switch Type: N/A LATA: upper peninsula MI (342) Tandem: MRQTMIMN20T 🔧 Explore Switch(CLLI: BRRVMIMNRSA))
906-466 is split into 1,000-number blocks - detail below
906-466-0XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	BARK RIVER	BRRVMIMNRSA	N/A	Prefix Type: RBOC Switch Name: BARK RIVER Switch Type: N/A LATA: upper peninsula MI (342) Tandem: MRQTMIMN20T 🔧 Explore Switch(CLLI: BRRVMIMNRSA))
906-466-2XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	BARK RIVER	BRRVMIMNRSA	N/A	Prefix Type: RBOC Switch Name: BARK RIVER Switch Type: N/A LATA: upper peninsula MI (342) Tandem: MRQTMIMN20T 🔧 Explore Switch(CLLI: BRRVMIMNRSA))
906-466-9XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	BARK RIVER	BRRVMIMNRSA	N/A	Prefix Type: RBOC Switch Name: BARK RIVER Switch Type: N/A LATA: upper peninsula MI (342) Tandem: MRQTMIMN20T 🔧 Explore Switch(CLLI: BRRVMIMNRSA))
906-474	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	RAPIDRIVER	RPRVMIMNRSA	00/00/0000	Prefix Type: RBOC Switch Name: RAPID RIVER Switch Type: N/A LATA: upper peninsula MI (342) Tandem: MRQTMIMN20T 🔧 Explore Switch(CLLI: RPRVMIMNRSA))
906-474 is split into 1,000-number blocks - detail below
906-474-6XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	RAPIDRIVER	RPRVMIMNRSA	N/A	Prefix Type: RBOC Switch Name: RAPID RIVER Switch Type: N/A LATA: upper peninsula MI (342) Tandem: MRQTMIMN20T 🔧 Explore Switch(CLLI: RPRVMIMNRSA))
906-474-9XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	RAPIDRIVER	RPRVMIMNRSA	N/A	Prefix Type: RBOC Switch Name: RAPID RIVER Switch Type: N/A LATA: upper peninsula MI (342) Tandem: MRQTMIMN20T 🔧 Explore Switch(CLLI: RPRVMIMNRSA))
906-475	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	NEGAUNEE	NGNEMIMNRSA	00/00/0000	Prefix Type: RBOC Switch Name: NEGAUNEE Switch Type: N/A LATA: upper peninsula MI (342) Tandem: MRQTMIMN20T 🔧 Explore Switch(CLLI: NGNEMIMNRSA))
906-475 is split into 1,000-number blocks - detail below
906-475-0XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	NEGAUNEE	NGNEMIMNRSA	N/A	Prefix Type: RBOC Switch Name: NEGAUNEE Switch Type: N/A LATA: upper peninsula MI (342) Tandem: MRQTMIMN20T 🔧 Explore Switch(CLLI: NGNEMIMNRSA))
906-475-1XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	NEGAUNEE	NGNEMIMNRSA	N/A	Prefix Type: RBOC Switch Name: NEGAUNEE Switch Type: N/A LATA: upper peninsula MI (342) Tandem: MRQTMIMN20T 🔧 Explore Switch(CLLI: NGNEMIMNRSA))
906-475-3XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	NEGAUNEE	NGNEMIMNRSA	N/A	Prefix Type: RBOC Switch Name: NEGAUNEE Switch Type: N/A LATA: upper peninsula MI (342) Tandem: MRQTMIMN20T 🔧 Explore Switch(CLLI: NGNEMIMNRSA))
906-475-4XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	NEGAUNEE	NGNEMIMNRSA	N/A	Prefix Type: RBOC Switch Name: NEGAUNEE Switch Type: N/A LATA: upper peninsula MI (342) Tandem: MRQTMIMN20T 🔧 Explore Switch(CLLI: NGNEMIMNRSA))
906-475-5XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	NEGAUNEE	NGNEMIMNRSA	N/A	Prefix Type: RBOC Switch Name: NEGAUNEE Switch Type: N/A LATA: upper peninsula MI (342) Tandem: MRQTMIMN20T 🔧 Explore Switch(CLLI: NGNEMIMNRSA))
906-475-6XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	NEGAUNEE	NGNEMIMNRSA	N/A	Prefix Type: RBOC Switch Name: NEGAUNEE Switch Type: N/A LATA: upper peninsula MI (342) Tandem: MRQTMIMN20T 🔧 Explore Switch(CLLI: NGNEMIMNRSA))
906-475-7XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	NEGAUNEE	NGNEMIMNRSA	N/A	Prefix Type: RBOC Switch Name: NEGAUNEE Switch Type: N/A LATA: upper peninsula MI (342) Tandem: MRQTMIMN20T 🔧 Explore Switch(CLLI: NGNEMIMNRSA))
906-475-9XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	NEGAUNEE	NGNEMIMNRSA	N/A	Prefix Type: RBOC Switch Name: NEGAUNEE Switch Type: N/A LATA: upper peninsula MI (342) Tandem: MRQTMIMN20T 🔧 Explore Switch(CLLI: NGNEMIMNRSA))
906-477	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	ENGADINE	ENGDMIMNRSA	00/00/0000	Prefix Type: RBOC Switch Name: ENGADINE Switch Type: N/A LATA: upper peninsula MI (342) Tandem: MRQTMIMN20T 🔧 Explore Switch(CLLI: ENGDMIMNRSA))
906-477 is split into 1,000-number blocks - detail below
906-477-1XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	ENGADINE	ENGDMIMNRSA	N/A	Prefix Type: RBOC Switch Name: ENGADINE Switch Type: N/A LATA: upper peninsula MI (342) Tandem: MRQTMIMN20T 🔧 Explore Switch(CLLI: ENGDMIMNRSA))
906-477-6XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	ENGADINE	ENGDMIMNRSA	N/A	Prefix Type: RBOC Switch Name: ENGADINE Switch Type: N/A LATA: upper peninsula MI (342) Tandem: MRQTMIMN20T 🔧 Explore Switch(CLLI: ENGDMIMNRSA))
906-477-9XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	ENGADINE	ENGDMIMNRSA	N/A	Prefix Type: RBOC Switch Name: ENGADINE Switch Type: N/A LATA: upper peninsula MI (342) Tandem: MRQTMIMN20T 🔧 Explore Switch(CLLI: ENGDMIMNRSA))
906-482	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	HOUGHTON	HNCCMIMNRPA	00/00/0000	Prefix Type: RBOC Switch Name: HANCOCK Switch Type: N/A LATA: upper peninsula MI (342) Tandem: N/A 🔧 Explore Switch(CLLI: HNCCMIMNRPA))
906-483	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	HOUGHTON	HNCCMIMNRPA	00/00/0000	Prefix Type: RBOC Switch Name: HANCOCK Switch Type: N/A LATA: upper peninsula MI (342) Tandem: N/A 🔧 Explore Switch(CLLI: HNCCMIMNRPA))
906-483 is split into 1,000-number blocks - detail below
906-483-0XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	HOUGHTON	HNCCMIMNRPA	N/A	Prefix Type: RBOC Switch Name: HANCOCK Switch Type: N/A LATA: upper peninsula MI (342) Tandem: N/A 🔧 Explore Switch(CLLI: HNCCMIMNRPA))
906-483-1XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	HOUGHTON	HNCCMIMNRPA	N/A	Prefix Type: RBOC Switch Name: HANCOCK Switch Type: N/A LATA: upper peninsula MI (342) Tandem: N/A 🔧 Explore Switch(CLLI: HNCCMIMNRPA))
906-483-2XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	HOUGHTON	HNCCMIMNRPA	N/A	Prefix Type: RBOC Switch Name: HANCOCK Switch Type: N/A LATA: upper peninsula MI (342) Tandem: N/A 🔧 Explore Switch(CLLI: HNCCMIMNRPA))
906-483-3XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	HOUGHTON	HNCCMIMNRPA	N/A	Prefix Type: RBOC Switch Name: HANCOCK Switch Type: N/A LATA: upper peninsula MI (342) Tandem: N/A 🔧 Explore Switch(CLLI: HNCCMIMNRPA))
906-483-4XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	HOUGHTON	HNCCMIMNRPA	N/A	Prefix Type: RBOC Switch Name: HANCOCK Switch Type: N/A LATA: upper peninsula MI (342) Tandem: N/A 🔧 Explore Switch(CLLI: HNCCMIMNRPA))
906-483-5XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	HOUGHTON	HNCCMIMNRPA	N/A	Prefix Type: RBOC Switch Name: HANCOCK Switch Type: N/A LATA: upper peninsula MI (342) Tandem: N/A 🔧 Explore Switch(CLLI: HNCCMIMNRPA))
906-483-6XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	HOUGHTON	HNCCMIMNRPA	N/A	Prefix Type: RBOC Switch Name: HANCOCK Switch Type: N/A LATA: upper peninsula MI (342) Tandem: N/A 🔧 Explore Switch(CLLI: HNCCMIMNRPA))
906-483-7XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	HOUGHTON	HNCCMIMNRPA	N/A	Prefix Type: RBOC Switch Name: HANCOCK Switch Type: N/A LATA: upper peninsula MI (342) Tandem: N/A 🔧 Explore Switch(CLLI: HNCCMIMNRPA))
906-483-8XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	HOUGHTON	HNCCMIMNRPA	N/A	Prefix Type: RBOC Switch Name: HANCOCK Switch Type: N/A LATA: upper peninsula MI (342) Tandem: N/A 🔧 Explore Switch(CLLI: HNCCMIMNRPA))
906-485	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	ISHPEMING	ISHPMIMNRSA	00/00/0000	Prefix Type: RBOC Switch Name: ISHPEMING Switch Type: N/A LATA: upper peninsula MI (342) Tandem: MRQTMIMN20T 🔧 Explore Switch(CLLI: ISHPMIMNRSA))
906-485 is split into 1,000-number blocks - detail below
906-485-1XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	ISHPEMING	ISHPMIMNRSA	N/A	Prefix Type: RBOC Switch Name: ISHPEMING Switch Type: N/A LATA: upper peninsula MI (342) Tandem: MRQTMIMN20T 🔧 Explore Switch(CLLI: ISHPMIMNRSA))
906-485-2XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	ISHPEMING	ISHPMIMNRSA	N/A	Prefix Type: RBOC Switch Name: ISHPEMING Switch Type: N/A LATA: upper peninsula MI (342) Tandem: MRQTMIMN20T 🔧 Explore Switch(CLLI: ISHPMIMNRSA))
906-485-4XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	ISHPEMING	ISHPMIMNRSA	N/A	Prefix Type: RBOC Switch Name: ISHPEMING Switch Type: N/A LATA: upper peninsula MI (342) Tandem: MRQTMIMN20T 🔧 Explore Switch(CLLI: ISHPMIMNRSA))
906-485-5XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	ISHPEMING	ISHPMIMNRSA	N/A	Prefix Type: RBOC Switch Name: ISHPEMING Switch Type: N/A LATA: upper peninsula MI (342) Tandem: MRQTMIMN20T 🔧 Explore Switch(CLLI: ISHPMIMNRSA))
906-485-6XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	ISHPEMING	ISHPMIMNRSA	N/A	Prefix Type: RBOC Switch Name: ISHPEMING Switch Type: N/A LATA: upper peninsula MI (342) Tandem: MRQTMIMN20T 🔧 Explore Switch(CLLI: ISHPMIMNRSA))
906-486	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	ISHPEMING	ISHPMIMNRSA	00/00/0000	Prefix Type: RBOC Switch Name: ISHPEMING Switch Type: N/A LATA: upper peninsula MI (342) Tandem: MRQTMIMN20T 🔧 Explore Switch(CLLI: ISHPMIMNRSA))
906-486 is split into 1,000-number blocks - detail below
906-486-1XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	ISHPEMING	ISHPMIMNRSA	N/A	Prefix Type: RBOC Switch Name: ISHPEMING Switch Type: N/A LATA: upper peninsula MI (342) Tandem: MRQTMIMN20T 🔧 Explore Switch(CLLI: ISHPMIMNRSA))
906-486-4XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	ISHPEMING	ISHPMIMNRSA	N/A	Prefix Type: RBOC Switch Name: ISHPEMING Switch Type: N/A LATA: upper peninsula MI (342) Tandem: MRQTMIMN20T 🔧 Explore Switch(CLLI: ISHPMIMNRSA))
906-486-6XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	ISHPEMING	ISHPMIMNRSA	N/A	Prefix Type: RBOC Switch Name: ISHPEMING Switch Type: N/A LATA: upper peninsula MI (342) Tandem: MRQTMIMN20T 🔧 Explore Switch(CLLI: ISHPMIMNRSA))
906-486-8XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	ISHPEMING	ISHPMIMNRSA	N/A	Prefix Type: RBOC Switch Name: ISHPEMING Switch Type: N/A LATA: upper peninsula MI (342) Tandem: MRQTMIMN20T 🔧 Explore Switch(CLLI: ISHPMIMNRSA))
906-486-9XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	ISHPEMING	ISHPMIMNRSA	N/A	Prefix Type: RBOC Switch Name: ISHPEMING Switch Type: N/A LATA: upper peninsula MI (342) Tandem: MRQTMIMN20T 🔧 Explore Switch(CLLI: ISHPMIMNRSA))
906-487	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	HOUGHTON	HNCCMIMNRPA	00/00/0000	Prefix Type: RBOC Switch Name: HANCOCK Switch Type: N/A LATA: upper peninsula MI (342) Tandem: N/A 🔧 Explore Switch(CLLI: HNCCMIMNRPA))
906-497	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	POWERS	PWRSMIMNRSA	00/00/0000	Prefix Type: RBOC Switch Name: PWRS/HERMANSVILL Switch Type: N/A LATA: upper peninsula MI (342) Tandem: MRQTMIMN20T 🔧 Explore Switch(CLLI: PWRSMIMNRSA))
906-497 is split into 1,000-number blocks - detail below
906-497-2XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	POWERS	PWRSMIMNRSA	N/A	Prefix Type: RBOC Switch Name: PWRS/HERMANSVILL Switch Type: N/A LATA: upper peninsula MI (342) Tandem: MRQTMIMN20T 🔧 Explore Switch(CLLI: PWRSMIMNRSA))
906-497-4XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	POWERS	PWRSMIMNRSA	N/A	Prefix Type: RBOC Switch Name: PWRS/HERMANSVILL Switch Type: N/A LATA: upper peninsula MI (342) Tandem: MRQTMIMN20T 🔧 Explore Switch(CLLI: PWRSMIMNRSA))
906-497-5XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	POWERS	PWRSMIMNRSA	N/A	Prefix Type: RBOC Switch Name: PWRS/HERMANSVILL Switch Type: N/A LATA: upper peninsula MI (342) Tandem: MRQTMIMN20T 🔧 Explore Switch(CLLI: PWRSMIMNRSA))
906-498	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	HERMANSVL	PWRSMIMNRSA	00/00/0000	Prefix Type: RBOC Switch Name: PWRS/HERMANSVILL Switch Type: N/A LATA: upper peninsula MI (342) Tandem: MRQTMIMN20T 🔧 Explore Switch(CLLI: PWRSMIMNRSA))
906-498 is split into 1,000-number blocks - detail below
906-498-2XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	HERMANSVL	PWRSMIMNRSA	N/A	Prefix Type: RBOC Switch Name: PWRS/HERMANSVILL Switch Type: N/A LATA: upper peninsula MI (342) Tandem: MRQTMIMN20T 🔧 Explore Switch(CLLI: PWRSMIMNRSA))
906-523	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	HOUGHTON	CHSLMIMNRSA	00/00/0000	Prefix Type: RBOC Switch Name: CHASSELL Switch Type: N/A LATA: upper peninsula MI (342) Tandem: MRQTMIMN20T 🔧 Explore Switch(CLLI: CHSLMIMNRSA))
906-523 is split into 1,000-number blocks - detail below
906-523-4XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	HOUGHTON	CHSLMIMNRSA	N/A	Prefix Type: RBOC Switch Name: CHASSELL Switch Type: N/A LATA: upper peninsula MI (342) Tandem: MRQTMIMN20T 🔧 Explore Switch(CLLI: CHSLMIMNRSA))
906-523-6XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	HOUGHTON	CHSLMIMNRSA	N/A	Prefix Type: RBOC Switch Name: CHASSELL Switch Type: N/A LATA: upper peninsula MI (342) Tandem: MRQTMIMN20T 🔧 Explore Switch(CLLI: CHSLMIMNRSA))
906-542	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	CHANNING	CHNGMICRRSA	00/00/0000	Prefix Type: RBOC Switch Name: CHANNING Switch Type: N/A LATA: upper peninsula MI (342) Tandem: MRQTMIMN20T 🔧 Explore Switch(CLLI: CHNGMICRRSA))
906-542 is split into 1,000-number blocks - detail below
906-542-3XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	CHANNING	CHNGMICRRSA	N/A	Prefix Type: RBOC Switch Name: CHANNING Switch Type: N/A LATA: upper peninsula MI (342) Tandem: MRQTMIMN20T 🔧 Explore Switch(CLLI: CHNGMICRRSA))
906-542-7XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	CHANNING	CHNGMICRRSA	N/A	Prefix Type: RBOC Switch Name: CHANNING Switch Type: N/A LATA: upper peninsula MI (342) Tandem: MRQTMIMN20T 🔧 Explore Switch(CLLI: CHNGMICRRSA))
906-563	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	NORWAY	NRWYMINWDS0	00/00/0000	Prefix Type: RBOC Switch Name: NORWAY NW Switch Type: DMS10 LATA: upper peninsula MI (342) Tandem: MRQTMIMN20T 🔧 Explore Switch(CLLI: NRWYMINWDS0))
906-563 is split into 1,000-number blocks - detail below
906-563-0XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	NORWAY	NRWYMINWDS0	N/A	Prefix Type: RBOC Switch Name: NORWAY NW Switch Type: DMS10 LATA: upper peninsula MI (342) Tandem: MRQTMIMN20T 🔧 Explore Switch(CLLI: NRWYMINWDS0))
906-563-5XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	NORWAY	NRWYMINWDS0	N/A	Prefix Type: RBOC Switch Name: NORWAY NW Switch Type: DMS10 LATA: upper peninsula MI (342) Tandem: MRQTMIMN20T 🔧 Explore Switch(CLLI: NRWYMINWDS0))
906-563-6XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	NORWAY	NRWYMINWDS0	N/A	Prefix Type: RBOC Switch Name: NORWAY NW Switch Type: DMS10 LATA: upper peninsula MI (342) Tandem: MRQTMIMN20T 🔧 Explore Switch(CLLI: NRWYMINWDS0))
906-563-7XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	NORWAY	NRWYMINWDS0	N/A	Prefix Type: RBOC Switch Name: NORWAY NW Switch Type: DMS10 LATA: upper peninsula MI (342) Tandem: MRQTMIMN20T 🔧 Explore Switch(CLLI: NRWYMINWDS0))
906-563-8XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	NORWAY	NRWYMINWDS0	N/A	Prefix Type: RBOC Switch Name: NORWAY NW Switch Type: DMS10 LATA: upper peninsula MI (342) Tandem: MRQTMIMN20T 🔧 Explore Switch(CLLI: NRWYMINWDS0))
906-563-9XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	NORWAY	NRWYMINWDS0	N/A	Prefix Type: RBOC Switch Name: NORWAY NW Switch Type: DMS10 LATA: upper peninsula MI (342) Tandem: MRQTMIMN20T 🔧 Explore Switch(CLLI: NRWYMINWDS0))
906-569	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	TROUT LAKE	SSMRMIMNDS0	00/00/0000	Prefix Type: RBOC Switch Name: SAULT STE MARIE Switch Type: EWSD LATA: upper peninsula MI (342) Tandem: MRQTMIMN20T 🔧 Explore Switch(CLLI: SSMRMIMNDS0))
906-569 is split into 1,000-number blocks - detail below
906-569-3XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	TROUT LAKE	SSMRMIMNDS0	N/A	Prefix Type: RBOC Switch Name: SAULT STE MARIE Switch Type: EWSD LATA: upper peninsula MI (342) Tandem: MRQTMIMN20T 🔧 Explore Switch(CLLI: SSMRMIMNDS0))
906-575	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	BERGLAND	BRLDMIMNRSA	00/00/0000	Prefix Type: RBOC Switch Name: BERGLAND Switch Type: N/A LATA: upper peninsula MI (342) Tandem: MRQTMIMN20T 🔧 Explore Switch(CLLI: BRLDMIMNRSA))
906-575 is split into 1,000-number blocks - detail below
906-575-3XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	BERGLAND	BRLDMIMNRSA	N/A	Prefix Type: RBOC Switch Name: BERGLAND Switch Type: N/A LATA: upper peninsula MI (342) Tandem: MRQTMIMN20T 🔧 Explore Switch(CLLI: BRLDMIMNRSA))
906-586	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	CURTIS	CRTSMIMNRS1	00/00/0000	Prefix Type: RBOC Switch Name: CURTIS Switch Type: N/A LATA: upper peninsula MI (342) Tandem: MRQTMIMN20T 🔧 Explore Switch(CLLI: CRTSMIMNRS1))
906-586 is split into 1,000-number blocks - detail below
906-586-3XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	CURTIS	CRTSMIMNRS1	N/A	Prefix Type: RBOC Switch Name: CURTIS Switch Type: N/A LATA: upper peninsula MI (342) Tandem: MRQTMIMN20T 🔧 Explore Switch(CLLI: CRTSMIMNRS1))
906-586-6XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	CURTIS	CRTSMIMNRS1	N/A	Prefix Type: RBOC Switch Name: CURTIS Switch Type: N/A LATA: upper peninsula MI (342) Tandem: MRQTMIMN20T 🔧 Explore Switch(CLLI: CRTSMIMNRS1))
906-586-9XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	CURTIS	CRTSMIMNRS1	N/A	Prefix Type: RBOC Switch Name: CURTIS Switch Type: N/A LATA: upper peninsula MI (342) Tandem: MRQTMIMN20T 🔧 Explore Switch(CLLI: CRTSMIMNRS1))
906-632	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	SALTSTMARI	SSMRMIMNDS0	00/00/0000	Prefix Type: RBOC Switch Name: SAULT STE MARIE Switch Type: EWSD LATA: upper peninsula MI (342) Tandem: MRQTMIMN20T 🔧 Explore Switch(CLLI: SSMRMIMNDS0))
906-635	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	SALTSTMARI	SSMRMIMNDS0	00/00/0000	Prefix Type: RBOC Switch Name: SAULT STE MARIE Switch Type: EWSD LATA: upper peninsula MI (342) Tandem: MRQTMIMN20T 🔧 Explore Switch(CLLI: SSMRMIMNDS0))
906-643	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	ST IGNACE	STIGMIMNRSA	00/00/0000	Prefix Type: RBOC Switch Name: ST IGNACE Switch Type: N/A LATA: upper peninsula MI (342) Tandem: MRQTMIMN20T 🔧 Explore Switch(CLLI: STIGMIMNRSA))
906-643 is split into 1,000-number blocks - detail below
906-643-0XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	ST IGNACE	STIGMIMNRSA	N/A	Prefix Type: RBOC Switch Name: ST IGNACE Switch Type: N/A LATA: upper peninsula MI (342) Tandem: MRQTMIMN20T 🔧 Explore Switch(CLLI: STIGMIMNRSA))
906-643-1XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	ST IGNACE	STIGMIMNRSA	N/A	Prefix Type: RBOC Switch Name: ST IGNACE Switch Type: N/A LATA: upper peninsula MI (342) Tandem: MRQTMIMN20T 🔧 Explore Switch(CLLI: STIGMIMNRSA))
906-643-2XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	ST IGNACE	STIGMIMNRSA	N/A	Prefix Type: RBOC Switch Name: ST IGNACE Switch Type: N/A LATA: upper peninsula MI (342) Tandem: MRQTMIMN20T 🔧 Explore Switch(CLLI: STIGMIMNRSA))
906-643-6XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	ST IGNACE	STIGMIMNRSA	N/A	Prefix Type: RBOC Switch Name: ST IGNACE Switch Type: N/A LATA: upper peninsula MI (342) Tandem: MRQTMIMN20T 🔧 Explore Switch(CLLI: STIGMIMNRSA))
906-643-7XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	ST IGNACE	STIGMIMNRSA	N/A	Prefix Type: RBOC Switch Name: ST IGNACE Switch Type: N/A LATA: upper peninsula MI (342) Tandem: MRQTMIMN20T 🔧 Explore Switch(CLLI: STIGMIMNRSA))
906-643-8XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	ST IGNACE	STIGMIMNRSA	N/A	Prefix Type: RBOC Switch Name: ST IGNACE Switch Type: N/A LATA: upper peninsula MI (342) Tandem: MRQTMIMN20T 🔧 Explore Switch(CLLI: STIGMIMNRSA))
906-643-9XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	ST IGNACE	STIGMIMNRSA	N/A	Prefix Type: RBOC Switch Name: ST IGNACE Switch Type: N/A LATA: upper peninsula MI (342) Tandem: MRQTMIMN20T 🔧 Explore Switch(CLLI: STIGMIMNRSA))
906-661	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	AMASA	AMSAMIMNRSA	05/14/2001	Prefix Type: RBOC Switch Name: AMASA Switch Type: N/A LATA: upper peninsula MI (342) Tandem: MRQTMIMN20T 🔧 Explore Switch(CLLI: AMSAMIMNRSA))
906-661 is split into 1,000-number blocks - detail below
906-661-0XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	AMASA	AMSAMIMNRSA	N/A	Prefix Type: RBOC Switch Name: AMASA Switch Type: N/A LATA: upper peninsula MI (342) Tandem: MRQTMIMN20T 🔧 Explore Switch(CLLI: AMSAMIMNRSA))
906-663	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	BESSEMER	BSMRMIMNRSA	00/00/0000	Prefix Type: RBOC Switch Name: BESSEMER Switch Type: N/A LATA: upper peninsula MI (342) Tandem: MRQTMIMN20T 🔧 Explore Switch(CLLI: BSMRMIMNRSA))
906-663 is split into 1,000-number blocks - detail below
906-663-0XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	BESSEMER	BSMRMIMNRSA	N/A	Prefix Type: RBOC Switch Name: BESSEMER Switch Type: N/A LATA: upper peninsula MI (342) Tandem: MRQTMIMN20T 🔧 Explore Switch(CLLI: BSMRMIMNRSA))
906-663-4XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	BESSEMER	BSMRMIMNRSA	N/A	Prefix Type: RBOC Switch Name: BESSEMER Switch Type: N/A LATA: upper peninsula MI (342) Tandem: MRQTMIMN20T 🔧 Explore Switch(CLLI: BSMRMIMNRSA))
906-663-6XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	BESSEMER	BSMRMIMNRSA	N/A	Prefix Type: RBOC Switch Name: BESSEMER Switch Type: N/A LATA: upper peninsula MI (342) Tandem: MRQTMIMN20T 🔧 Explore Switch(CLLI: BSMRMIMNRSA))
906-667	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	BESSEMER	BSMRMIMNRSA	00/00/0000	Prefix Type: RBOC Switch Name: BESSEMER Switch Type: N/A LATA: upper peninsula MI (342) Tandem: MRQTMIMN20T 🔧 Explore Switch(CLLI: BSMRMIMNRSA))
906-667 is split into 1,000-number blocks - detail below
906-667-0XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	BESSEMER	BSMRMIMNRSA	N/A	Prefix Type: RBOC Switch Name: BESSEMER Switch Type: N/A LATA: upper peninsula MI (342) Tandem: MRQTMIMN20T 🔧 Explore Switch(CLLI: BSMRMIMNRSA))
906-702	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	ISHPEMING	ISHPMIMNRSA	05/14/2001	Prefix Type: RBOC Switch Name: ISHPEMING Switch Type: N/A LATA: upper peninsula MI (342) Tandem: MRQTMIMN20T 🔧 Explore Switch(CLLI: ISHPMIMNRSA))
906-702 is split into 1,000-number blocks - detail below
906-702-0XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	ISHPEMING	ISHPMIMNRSA	N/A	Prefix Type: RBOC Switch Name: ISHPEMING Switch Type: N/A LATA: upper peninsula MI (342) Tandem: MRQTMIMN20T 🔧 Explore Switch(CLLI: ISHPMIMNRSA))
906-753	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	STEPHENSON	STSNMISTDS0	00/00/0000	Prefix Type: RBOC Switch Name: STEPHENSON Switch Type: DMS10 LATA: upper peninsula MI (342) Tandem: MRQTMIMN20T 🔧 Explore Switch(CLLI: STSNMISTDS0))
906-753 is split into 1,000-number blocks - detail below
906-753-0XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	STEPHENSON	STSNMISTDS0	N/A	Prefix Type: RBOC Switch Name: STEPHENSON Switch Type: DMS10 LATA: upper peninsula MI (342) Tandem: MRQTMIMN20T 🔧 Explore Switch(CLLI: STSNMISTDS0))
906-753-2XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	STEPHENSON	STSNMISTDS0	N/A	Prefix Type: RBOC Switch Name: STEPHENSON Switch Type: DMS10 LATA: upper peninsula MI (342) Tandem: MRQTMIMN20T 🔧 Explore Switch(CLLI: STSNMISTDS0))
906-753-4XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	STEPHENSON	STSNMISTDS0	N/A	Prefix Type: RBOC Switch Name: STEPHENSON Switch Type: DMS10 LATA: upper peninsula MI (342) Tandem: MRQTMIMN20T 🔧 Explore Switch(CLLI: STSNMISTDS0))
906-753-6XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	STEPHENSON	STSNMISTDS0	N/A	Prefix Type: RBOC Switch Name: STEPHENSON Switch Type: DMS10 LATA: upper peninsula MI (342) Tandem: MRQTMIMN20T 🔧 Explore Switch(CLLI: STSNMISTDS0))
906-753-9XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	STEPHENSON	STSNMISTDS0	N/A	Prefix Type: RBOC Switch Name: STEPHENSON Switch Type: DMS10 LATA: upper peninsula MI (342) Tandem: MRQTMIMN20T 🔧 Explore Switch(CLLI: STSNMISTDS0))
906-774	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	IRON MT	IRMTMIMNDS0	00/00/0000	Prefix Type: RBOC Switch Name: IRON MOUNTAIN Switch Type: EWSD LATA: upper peninsula MI (342) Tandem: MRQTMIMN20T 🔧 Explore Switch(CLLI: IRMTMIMNDS0))
906-776	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	IRON MT	IRMTMIMNDS0	00/00/0000	Prefix Type: RBOC Switch Name: IRON MOUNTAIN Switch Type: EWSD LATA: upper peninsula MI (342) Tandem: MRQTMIMN20T 🔧 Explore Switch(CLLI: IRMTMIMNDS0))
906-776 is split into 1,000-number blocks - detail below
906-776-0XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	IRON MT	IRMTMIMNDS0	N/A	Prefix Type: RBOC Switch Name: IRON MOUNTAIN Switch Type: EWSD LATA: upper peninsula MI (342) Tandem: MRQTMIMN20T 🔧 Explore Switch(CLLI: IRMTMIMNDS0))
906-776-1XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	IRON MT	IRMTMIMNDS0	N/A	Prefix Type: RBOC Switch Name: IRON MOUNTAIN Switch Type: EWSD LATA: upper peninsula MI (342) Tandem: MRQTMIMN20T 🔧 Explore Switch(CLLI: IRMTMIMNDS0))
906-776-2XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	IRON MT	IRMTMIMNDS0	N/A	Prefix Type: RBOC Switch Name: IRON MOUNTAIN Switch Type: EWSD LATA: upper peninsula MI (342) Tandem: MRQTMIMN20T 🔧 Explore Switch(CLLI: IRMTMIMNDS0))
906-776-3XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	IRON MT	IRMTMIMNDS0	N/A	Prefix Type: RBOC Switch Name: IRON MOUNTAIN Switch Type: EWSD LATA: upper peninsula MI (342) Tandem: MRQTMIMN20T 🔧 Explore Switch(CLLI: IRMTMIMNDS0))
906-776-4XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	IRON MT	IRMTMIMNDS0	N/A	Prefix Type: RBOC Switch Name: IRON MOUNTAIN Switch Type: EWSD LATA: upper peninsula MI (342) Tandem: MRQTMIMN20T 🔧 Explore Switch(CLLI: IRMTMIMNDS0))
906-776-5XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	IRON MT	IRMTMIMNDS0	N/A	Prefix Type: RBOC Switch Name: IRON MOUNTAIN Switch Type: EWSD LATA: upper peninsula MI (342) Tandem: MRQTMIMN20T 🔧 Explore Switch(CLLI: IRMTMIMNDS0))
906-776-8XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	IRON MT	IRMTMIMNDS0	N/A	Prefix Type: RBOC Switch Name: IRON MOUNTAIN Switch Type: EWSD LATA: upper peninsula MI (342) Tandem: MRQTMIMN20T 🔧 Explore Switch(CLLI: IRMTMIMNDS0))
906-776-9XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	IRON MT	IRMTMIMNDS0	N/A	Prefix Type: RBOC Switch Name: IRON MOUNTAIN Switch Type: EWSD LATA: upper peninsula MI (342) Tandem: MRQTMIMN20T 🔧 Explore Switch(CLLI: IRMTMIMNDS0))
906-779	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	IRON MT	IRMTMIMNDS0	00/00/0000	Prefix Type: RBOC Switch Name: IRON MOUNTAIN Switch Type: EWSD LATA: upper peninsula MI (342) Tandem: MRQTMIMN20T 🔧 Explore Switch(CLLI: IRMTMIMNDS0))
906-779 is split into 1,000-number blocks - detail below
906-779-0XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	IRON MT	IRMTMIMNDS0	N/A	Prefix Type: RBOC Switch Name: IRON MOUNTAIN Switch Type: EWSD LATA: upper peninsula MI (342) Tandem: MRQTMIMN20T 🔧 Explore Switch(CLLI: IRMTMIMNDS0))
906-779-1XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	IRON MT	IRMTMIMNDS0	N/A	Prefix Type: RBOC Switch Name: IRON MOUNTAIN Switch Type: EWSD LATA: upper peninsula MI (342) Tandem: MRQTMIMN20T 🔧 Explore Switch(CLLI: IRMTMIMNDS0))
906-779-2XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	IRON MT	IRMTMIMNDS0	N/A	Prefix Type: RBOC Switch Name: IRON MOUNTAIN Switch Type: EWSD LATA: upper peninsula MI (342) Tandem: MRQTMIMN20T 🔧 Explore Switch(CLLI: IRMTMIMNDS0))
906-779-3XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	IRON MT	IRMTMIMNDS0	N/A	Prefix Type: RBOC Switch Name: IRON MOUNTAIN Switch Type: EWSD LATA: upper peninsula MI (342) Tandem: MRQTMIMN20T 🔧 Explore Switch(CLLI: IRMTMIMNDS0))
906-779-4XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	IRON MT	IRMTMIMNDS0	N/A	Prefix Type: RBOC Switch Name: IRON MOUNTAIN Switch Type: EWSD LATA: upper peninsula MI (342) Tandem: MRQTMIMN20T 🔧 Explore Switch(CLLI: IRMTMIMNDS0))
906-779-5XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	IRON MT	IRMTMIMNDS0	N/A	Prefix Type: RBOC Switch Name: IRON MOUNTAIN Switch Type: EWSD LATA: upper peninsula MI (342) Tandem: MRQTMIMN20T 🔧 Explore Switch(CLLI: IRMTMIMNDS0))
906-779-7XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	IRON MT	IRMTMIMNDS0	N/A	Prefix Type: RBOC Switch Name: IRON MOUNTAIN Switch Type: EWSD LATA: upper peninsula MI (342) Tandem: MRQTMIMN20T 🔧 Explore Switch(CLLI: IRMTMIMNDS0))
906-779-9XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	IRON MT	IRMTMIMNDS0	N/A	Prefix Type: RBOC Switch Name: IRON MOUNTAIN Switch Type: EWSD LATA: upper peninsula MI (342) Tandem: MRQTMIMN20T 🔧 Explore Switch(CLLI: IRMTMIMNDS0))
906-786	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	ESCANABA	ESCNMIMNDS0	00/00/0000	Prefix Type: RBOC Switch Name: ESCANABA Switch Type: EWSD LATA: upper peninsula MI (342) Tandem: MRQTMIMN20T 🔧 Explore Switch(CLLI: ESCNMIMNDS0))
906-789	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	ESCANABA	ESCNMIMNDS0	00/00/0000	Prefix Type: RBOC Switch Name: ESCANABA Switch Type: EWSD LATA: upper peninsula MI (342) Tandem: MRQTMIMN20T 🔧 Explore Switch(CLLI: ESCNMIMNDS0))
906-822	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	AMASA	AMSAMIMNRSA	00/00/0000	Prefix Type: RBOC Switch Name: AMASA Switch Type: N/A LATA: upper peninsula MI (342) Tandem: MRQTMIMN20T 🔧 Explore Switch(CLLI: AMSAMIMNRSA))
906-822 is split into 1,000-number blocks - detail below
906-822-7XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	AMASA	AMSAMIMNRSA	N/A	Prefix Type: RBOC Switch Name: AMASA Switch Type: N/A LATA: upper peninsula MI (342) Tandem: MRQTMIMN20T 🔧 Explore Switch(CLLI: AMSAMIMNRSA))
906-825	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	GLADSTONE	GLDSMIGERSA	05/14/2001	Prefix Type: RBOC Switch Name: GLADSTONE Switch Type: N/A LATA: upper peninsula MI (342) Tandem: MRQTMIMN20T 🔧 Explore Switch(CLLI: GLDSMIGERSA))
906-825 is split into 1,000-number blocks - detail below
906-825-0XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	GLADSTONE	GLDSMIGERSA	N/A	Prefix Type: RBOC Switch Name: GLADSTONE Switch Type: N/A LATA: upper peninsula MI (342) Tandem: MRQTMIMN20T 🔧 Explore Switch(CLLI: GLDSMIGERSA))
906-826	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	STEPHENSON	STSNMISTDS0	05/14/2001	Prefix Type: RBOC Switch Name: STEPHENSON Switch Type: DMS10 LATA: upper peninsula MI (342) Tandem: MRQTMIMN20T 🔧 Explore Switch(CLLI: STSNMISTDS0))
906-826 is split into 1,000-number blocks - detail below
906-826-0XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	STEPHENSON	STSNMISTDS0	N/A	Prefix Type: RBOC Switch Name: STEPHENSON Switch Type: DMS10 LATA: upper peninsula MI (342) Tandem: MRQTMIMN20T 🔧 Explore Switch(CLLI: STSNMISTDS0))
906-847	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	MACKINACIS	MCISMIMNRSA	00/00/0000	Prefix Type: RBOC Switch Name: MACKINAC ISLAND Switch Type: N/A LATA: upper peninsula MI (342) Tandem: MRQTMIMN20T 🔧 Explore Switch(CLLI: MCISMIMNRSA))
906-847 is split into 1,000-number blocks - detail below
906-847-0XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	MACKINACIS	MCISMIMNRSA	N/A	Prefix Type: RBOC Switch Name: MACKINAC ISLAND Switch Type: N/A LATA: upper peninsula MI (342) Tandem: MRQTMIMN20T 🔧 Explore Switch(CLLI: MCISMIMNRSA))
906-847-3XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	MACKINACIS	MCISMIMNRSA	N/A	Prefix Type: RBOC Switch Name: MACKINAC ISLAND Switch Type: N/A LATA: upper peninsula MI (342) Tandem: MRQTMIMN20T 🔧 Explore Switch(CLLI: MCISMIMNRSA))
906-847-6XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	MACKINACIS	MCISMIMNRSA	N/A	Prefix Type: RBOC Switch Name: MACKINAC ISLAND Switch Type: N/A LATA: upper peninsula MI (342) Tandem: MRQTMIMN20T 🔧 Explore Switch(CLLI: MCISMIMNRSA))
906-847-8XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	MACKINACIS	MCISMIMNRSA	N/A	Prefix Type: RBOC Switch Name: MACKINAC ISLAND Switch Type: N/A LATA: upper peninsula MI (342) Tandem: MRQTMIMN20T 🔧 Explore Switch(CLLI: MCISMIMNRSA))
906-847-9XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	MACKINACIS	MCISMIMNRSA	N/A	Prefix Type: RBOC Switch Name: MACKINAC ISLAND Switch Type: N/A LATA: upper peninsula MI (342) Tandem: MRQTMIMN20T 🔧 Explore Switch(CLLI: MCISMIMNRSA))
906-863	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	MENOMINEE	MNMNMINBDS0	00/00/0000	Prefix Type: RBOC Switch Name: MENOMINEE Switch Type: EWSD LATA: upper peninsula MI (342) Tandem: MRQTMIMN20T 🔧 Explore Switch(CLLI: MNMNMINBDS0))
906-864	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	MENOMINEE	MNMNMINBDS0	00/00/0000	Prefix Type: RBOC Switch Name: MENOMINEE Switch Type: EWSD LATA: upper peninsula MI (342) Tandem: MRQTMIMN20T 🔧 Explore Switch(CLLI: MNMNMINBDS0))
906-864 is split into 1,000-number blocks - detail below
906-864-0XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	MENOMINEE	MNMNMINBDS0	N/A	Prefix Type: RBOC Switch Name: MENOMINEE Switch Type: EWSD LATA: upper peninsula MI (342) Tandem: MRQTMIMN20T 🔧 Explore Switch(CLLI: MNMNMINBDS0))
906-864-1XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	MENOMINEE	MNMNMINBDS0	N/A	Prefix Type: RBOC Switch Name: MENOMINEE Switch Type: EWSD LATA: upper peninsula MI (342) Tandem: MRQTMIMN20T 🔧 Explore Switch(CLLI: MNMNMINBDS0))
906-864-2XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	MENOMINEE	MNMNMINBDS0	N/A	Prefix Type: RBOC Switch Name: MENOMINEE Switch Type: EWSD LATA: upper peninsula MI (342) Tandem: MRQTMIMN20T 🔧 Explore Switch(CLLI: MNMNMINBDS0))
906-864-3XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	MENOMINEE	MNMNMINBDS0	N/A	Prefix Type: RBOC Switch Name: MENOMINEE Switch Type: EWSD LATA: upper peninsula MI (342) Tandem: MRQTMIMN20T 🔧 Explore Switch(CLLI: MNMNMINBDS0))
906-864-4XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	MENOMINEE	MNMNMINBDS0	N/A	Prefix Type: RBOC Switch Name: MENOMINEE Switch Type: EWSD LATA: upper peninsula MI (342) Tandem: MRQTMIMN20T 🔧 Explore Switch(CLLI: MNMNMINBDS0))
906-864-9XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	MENOMINEE	MNMNMINBDS0	N/A	Prefix Type: RBOC Switch Name: MENOMINEE Switch Type: EWSD LATA: upper peninsula MI (342) Tandem: MRQTMIMN20T 🔧 Explore Switch(CLLI: MNMNMINBDS0))
906-875	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	CRYSTALFLS	CRFLMIMNRSA	00/00/0000	Prefix Type: RBOC Switch Name: CRYSTAL FALLS Switch Type: N/A LATA: upper peninsula MI (342) Tandem: MRQTMIMN20T 🔧 Explore Switch(CLLI: CRFLMIMNRSA))
906-875 is split into 1,000-number blocks - detail below
906-875-0XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	CRYSTALFLS	CRFLMIMNRSA	N/A	Prefix Type: RBOC Switch Name: CRYSTAL FALLS Switch Type: N/A LATA: upper peninsula MI (342) Tandem: MRQTMIMN20T 🔧 Explore Switch(CLLI: CRFLMIMNRSA))
906-875-3XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	CRYSTALFLS	CRFLMIMNRSA	N/A	Prefix Type: RBOC Switch Name: CRYSTAL FALLS Switch Type: N/A LATA: upper peninsula MI (342) Tandem: MRQTMIMN20T 🔧 Explore Switch(CLLI: CRFLMIMNRSA))
906-875-4XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	CRYSTALFLS	CRFLMIMNRSA	N/A	Prefix Type: RBOC Switch Name: CRYSTAL FALLS Switch Type: N/A LATA: upper peninsula MI (342) Tandem: MRQTMIMN20T 🔧 Explore Switch(CLLI: CRFLMIMNRSA))
906-875-6XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	CRYSTALFLS	CRFLMIMNRSA	N/A	Prefix Type: RBOC Switch Name: CRYSTAL FALLS Switch Type: N/A LATA: upper peninsula MI (342) Tandem: MRQTMIMN20T 🔧 Explore Switch(CLLI: CRFLMIMNRSA))
906-932	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	IRONWOOD	IRWDMIMNDS0	00/00/0000	Prefix Type: RBOC Switch Name: IRONWOOD Switch Type: EWSD LATA: upper peninsula MI (342) Tandem: MRQTMIMN20T 🔧 Explore Switch(CLLI: IRWDMIMNDS0))
906-934	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	CALUMET	CALMMIMNRSA	05/14/2001	Prefix Type: RBOC Switch Name: CALUMET Switch Type: N/A LATA: upper peninsula MI (342) Tandem: MRQTMIMN20T 🔧 Explore Switch(CLLI: CALMMIMNRSA))
906-934 is split into 1,000-number blocks - detail below
906-934-0XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	CALUMET	CALMMIMNRSA	N/A	Prefix Type: RBOC Switch Name: CALUMET Switch Type: N/A LATA: upper peninsula MI (342) Tandem: MRQTMIMN20T 🔧 Explore Switch(CLLI: CALMMIMNRSA))
906-970	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	NORWAY	NRWYMINWDS0	05/14/2001	Prefix Type: RBOC Switch Name: NORWAY NW Switch Type: DMS10 LATA: upper peninsula MI (342) Tandem: MRQTMIMN20T 🔧 Explore Switch(CLLI: NRWYMINWDS0))
906-970 is split into 1,000-number blocks - detail below
906-970-0XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	NORWAY	NRWYMINWDS0	N/A	Prefix Type: RBOC Switch Name: NORWAY NW Switch Type: DMS10 LATA: upper peninsula MI (342) Tandem: MRQTMIMN20T 🔧 Explore Switch(CLLI: NRWYMINWDS0))
989-246	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	GLADWIN	GLDWMIGLDS0	00/00/0000	Prefix Type: RBOC Switch Name: GLADWIN Switch Type: DMS100 LATA: Saginaw MI (344) Tandem: SGNWMIFA20T 🔧 Explore Switch(CLLI: GLDWMIGLDS0))
989-246 is split into 1,000-number blocks - detail below
989-246-0XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	GLADWIN	GLDWMIGLDS0	N/A	Prefix Type: RBOC Switch Name: GLADWIN Switch Type: DMS100 LATA: Saginaw MI (344) Tandem: SGNWMIFA20T 🔧 Explore Switch(CLLI: GLDWMIGLDS0))
989-246-1XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	GLADWIN	GLDWMIGLDS0	N/A	Prefix Type: RBOC Switch Name: GLADWIN Switch Type: DMS100 LATA: Saginaw MI (344) Tandem: SGNWMIFA20T 🔧 Explore Switch(CLLI: GLDWMIGLDS0))
989-246-2XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	GLADWIN	GLDWMIGLDS0	N/A	Prefix Type: RBOC Switch Name: GLADWIN Switch Type: DMS100 LATA: Saginaw MI (344) Tandem: SGNWMIFA20T 🔧 Explore Switch(CLLI: GLDWMIGLDS0))
989-246-3XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	GLADWIN	GLDWMIGLDS0	N/A	Prefix Type: RBOC Switch Name: GLADWIN Switch Type: DMS100 LATA: Saginaw MI (344) Tandem: SGNWMIFA20T 🔧 Explore Switch(CLLI: GLDWMIGLDS0))
989-246-6XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	GLADWIN	GLDWMIGLDS0	N/A	Prefix Type: RBOC Switch Name: GLADWIN Switch Type: DMS100 LATA: Saginaw MI (344) Tandem: SGNWMIFA20T 🔧 Explore Switch(CLLI: GLDWMIGLDS0))
989-246-9XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	GLADWIN	GLDWMIGLDS0	N/A	Prefix Type: RBOC Switch Name: GLADWIN Switch Type: DMS100 LATA: Saginaw MI (344) Tandem: SGNWMIFA20T 🔧 Explore Switch(CLLI: GLDWMIGLDS0))
989-249	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	SAGINAW	SGNWMIWSDS1	00/00/0000	Prefix Type: RBOC Switch Name: SAGINAW WS DS1 Switch Type: DMS100 LATA: Saginaw MI (344) Tandem: SGNWMIFA20T 🔧 Explore Switch(CLLI: SGNWMIWSDS1))
989-249 is split into 1,000-number blocks - detail below
989-249-0XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	SAGINAW	SGNWMIWSDS1	N/A	Prefix Type: RBOC Switch Name: SAGINAW WS DS1 Switch Type: DMS100 LATA: Saginaw MI (344) Tandem: SGNWMIFA20T 🔧 Explore Switch(CLLI: SGNWMIWSDS1))
989-249-1XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	SAGINAW	SGNWMIWSDS1	N/A	Prefix Type: RBOC Switch Name: SAGINAW WS DS1 Switch Type: DMS100 LATA: Saginaw MI (344) Tandem: SGNWMIFA20T 🔧 Explore Switch(CLLI: SGNWMIWSDS1))
989-249-4XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	SAGINAW	SGNWMIWSDS1	N/A	Prefix Type: RBOC Switch Name: SAGINAW WS DS1 Switch Type: DMS100 LATA: Saginaw MI (344) Tandem: SGNWMIFA20T 🔧 Explore Switch(CLLI: SGNWMIWSDS1))
989-249-5XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	SAGINAW	SGNWMIWSDS1	N/A	Prefix Type: RBOC Switch Name: SAGINAW WS DS1 Switch Type: DMS100 LATA: Saginaw MI (344) Tandem: SGNWMIFA20T 🔧 Explore Switch(CLLI: SGNWMIWSDS1))
989-249-6XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	SAGINAW	SGNWMIWSDS1	N/A	Prefix Type: RBOC Switch Name: SAGINAW WS DS1 Switch Type: DMS100 LATA: Saginaw MI (344) Tandem: SGNWMIFA20T 🔧 Explore Switch(CLLI: SGNWMIWSDS1))
989-249-7XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	SAGINAW	SGNWMIWSDS1	N/A	Prefix Type: RBOC Switch Name: SAGINAW WS DS1 Switch Type: DMS100 LATA: Saginaw MI (344) Tandem: SGNWMIFA20T 🔧 Explore Switch(CLLI: SGNWMIWSDS1))
989-249-8XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	SAGINAW	SGNWMIWSDS1	N/A	Prefix Type: RBOC Switch Name: SAGINAW WS DS1 Switch Type: DMS100 LATA: Saginaw MI (344) Tandem: SGNWMIFA20T 🔧 Explore Switch(CLLI: SGNWMIWSDS1))
989-249-9XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	SAGINAW	SGNWMIWSDS1	N/A	Prefix Type: RBOC Switch Name: SAGINAW WS DS1 Switch Type: DMS100 LATA: Saginaw MI (344) Tandem: SGNWMIFA20T 🔧 Explore Switch(CLLI: SGNWMIWSDS1))
989-269	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	BAD AXE	BDAXMIMNRSA	00/00/0000	Prefix Type: RBOC Switch Name: BAD AXE Switch Type: N/A LATA: Saginaw MI (344) Tandem: SGNWMIFA20T 🔧 Explore Switch(CLLI: BDAXMIMNRSA))
989-269 is split into 1,000-number blocks - detail below
989-269-0XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	BAD AXE	BDAXMIMNRSA	N/A	Prefix Type: RBOC Switch Name: BAD AXE Switch Type: N/A LATA: Saginaw MI (344) Tandem: SGNWMIFA20T 🔧 Explore Switch(CLLI: BDAXMIMNRSA))
989-269-1XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	BAD AXE	BDAXMIMNRSA	N/A	Prefix Type: RBOC Switch Name: BAD AXE Switch Type: N/A LATA: Saginaw MI (344) Tandem: SGNWMIFA20T 🔧 Explore Switch(CLLI: BDAXMIMNRSA))
989-269-2XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	BAD AXE	BDAXMIMNRSA	N/A	Prefix Type: RBOC Switch Name: BAD AXE Switch Type: N/A LATA: Saginaw MI (344) Tandem: SGNWMIFA20T 🔧 Explore Switch(CLLI: BDAXMIMNRSA))
989-269-3XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	BAD AXE	BDAXMIMNRSA	N/A	Prefix Type: RBOC Switch Name: BAD AXE Switch Type: N/A LATA: Saginaw MI (344) Tandem: SGNWMIFA20T 🔧 Explore Switch(CLLI: BDAXMIMNRSA))
989-269-5XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	BAD AXE	BDAXMIMNRSA	N/A	Prefix Type: RBOC Switch Name: BAD AXE Switch Type: N/A LATA: Saginaw MI (344) Tandem: SGNWMIFA20T 🔧 Explore Switch(CLLI: BDAXMIMNRSA))
989-269-6XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	BAD AXE	BDAXMIMNRSA	N/A	Prefix Type: RBOC Switch Name: BAD AXE Switch Type: N/A LATA: Saginaw MI (344) Tandem: SGNWMIFA20T 🔧 Explore Switch(CLLI: BDAXMIMNRSA))
989-269-7XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	BAD AXE	BDAXMIMNRSA	N/A	Prefix Type: RBOC Switch Name: BAD AXE Switch Type: N/A LATA: Saginaw MI (344) Tandem: SGNWMIFA20T 🔧 Explore Switch(CLLI: BDAXMIMNRSA))
989-269-8XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	BAD AXE	BDAXMIMNRSA	N/A	Prefix Type: RBOC Switch Name: BAD AXE Switch Type: N/A LATA: Saginaw MI (344) Tandem: SGNWMIFA20T 🔧 Explore Switch(CLLI: BDAXMIMNRSA))
989-269-9XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	BAD AXE	BDAXMIMNRSA	N/A	Prefix Type: RBOC Switch Name: BAD AXE Switch Type: N/A LATA: Saginaw MI (344) Tandem: SGNWMIFA20T 🔧 Explore Switch(CLLI: BDAXMIMNRSA))
989-298	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	SAGINAW	SGNWMIFADS0	00/00/0000	Prefix Type: RBOC Switch Name: SAGINAW DS0 Switch Type: DMS1/2 LATA: Saginaw MI (344) Tandem: SGNWMIFA20T 🔧 Explore Switch(CLLI: SGNWMIFADS0))
989-316	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	BAY CITY	BYCYMIWSDS0	08/06/2007	Prefix Type: RBOC Switch Name: BAY CITY WS Switch Type: 5ESS LATA: Saginaw MI (344) Tandem: SGNWMIFA20T 🔧 Explore Switch(CLLI: BYCYMIWSDS0))
989-316 is split into 1,000-number blocks - detail below
989-316-4XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	BAY CITY	BYCYMIWSDS0	08/06/2007	Prefix Type: RBOC Switch Name: BAY CITY WS Switch Type: 5ESS LATA: Saginaw MI (344) Tandem: SGNWMIFA20T 🔧 Explore Switch(CLLI: BYCYMIWSDS0))
989-321 is split into 1,000-number blocks - detail below
989-321-4XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	SAGINAW	SGNWMIWSDS1	10/18/2006	Prefix Type: RBOC Switch Name: SAGINAW WS DS1 Switch Type: DMS100 LATA: Saginaw MI (344) Tandem: SGNWMIFA20T 🔧 Explore Switch(CLLI: SGNWMIWSDS1))
989-343	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	WESTBRANCH	WBRNMIMNRSA	00/00/0000	Prefix Type: RBOC Switch Name: WEST BRANCH Switch Type: N/A LATA: Saginaw MI (344) Tandem: SGNWMIFA20T 🔧 Explore Switch(CLLI: WBRNMIMNRSA))
989-343 is split into 1,000-number blocks - detail below
989-343-0XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	WESTBRANCH	WBRNMIMNRSA	N/A	Prefix Type: RBOC Switch Name: WEST BRANCH Switch Type: N/A LATA: Saginaw MI (344) Tandem: SGNWMIFA20T 🔧 Explore Switch(CLLI: WBRNMIMNRSA))
989-343-1XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	WESTBRANCH	WBRNMIMNRSA	N/A	Prefix Type: RBOC Switch Name: WEST BRANCH Switch Type: N/A LATA: Saginaw MI (344) Tandem: SGNWMIFA20T 🔧 Explore Switch(CLLI: WBRNMIMNRSA))
989-343-2XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	WESTBRANCH	WBRNMIMNRSA	N/A	Prefix Type: RBOC Switch Name: WEST BRANCH Switch Type: N/A LATA: Saginaw MI (344) Tandem: SGNWMIFA20T 🔧 Explore Switch(CLLI: WBRNMIMNRSA))
989-343-3XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	WESTBRANCH	WBRNMIMNRSA	N/A	Prefix Type: RBOC Switch Name: WEST BRANCH Switch Type: N/A LATA: Saginaw MI (344) Tandem: SGNWMIFA20T 🔧 Explore Switch(CLLI: WBRNMIMNRSA))
989-343-6XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	WESTBRANCH	WBRNMIMNRSA	N/A	Prefix Type: RBOC Switch Name: WEST BRANCH Switch Type: N/A LATA: Saginaw MI (344) Tandem: SGNWMIFA20T 🔧 Explore Switch(CLLI: WBRNMIMNRSA))
989-343-9XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	WESTBRANCH	WBRNMIMNRSA	N/A	Prefix Type: RBOC Switch Name: WEST BRANCH Switch Type: N/A LATA: Saginaw MI (344) Tandem: SGNWMIFA20T 🔧 Explore Switch(CLLI: WBRNMIMNRSA))
989-345	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	WESTBRANCH	WBRNMIMNRSA	00/00/0000	Prefix Type: RBOC Switch Name: WEST BRANCH Switch Type: N/A LATA: Saginaw MI (344) Tandem: SGNWMIFA20T 🔧 Explore Switch(CLLI: WBRNMIMNRSA))
989-362	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	EAST TAWAS	ETWSMIMNRSA	00/00/0000	Prefix Type: RBOC Switch Name: EAST TAWAS Switch Type: N/A LATA: Saginaw MI (344) Tandem: SGNWMIFA20T 🔧 Explore Switch(CLLI: ETWSMIMNRSA))
989-386	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	CLARE	CLARMICLRSA	00/00/0000	Prefix Type: RBOC Switch Name: CLARE Switch Type: N/A LATA: Saginaw MI (344) Tandem: SGNWMIFA20T 🔧 Explore Switch(CLLI: CLARMICLRSA))
989-389	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	ST HELEN	STHLMIMNRSA	00/00/0000	Prefix Type: RBOC Switch Name: ST HELEN Switch Type: N/A LATA: Saginaw MI (344) Tandem: SGNWMIFA20T 🔧 Explore Switch(CLLI: STHLMIMNRSA))
989-389 is split into 1,000-number blocks - detail below
989-389-0XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	ST HELEN	STHLMIMNRSA	N/A	Prefix Type: RBOC Switch Name: ST HELEN Switch Type: N/A LATA: Saginaw MI (344) Tandem: SGNWMIFA20T 🔧 Explore Switch(CLLI: STHLMIMNRSA))
989-389-1XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	ST HELEN	STHLMIMNRSA	N/A	Prefix Type: RBOC Switch Name: ST HELEN Switch Type: N/A LATA: Saginaw MI (344) Tandem: SGNWMIFA20T 🔧 Explore Switch(CLLI: STHLMIMNRSA))
989-389-3XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	ST HELEN	STHLMIMNRSA	N/A	Prefix Type: RBOC Switch Name: ST HELEN Switch Type: N/A LATA: Saginaw MI (344) Tandem: SGNWMIFA20T 🔧 Explore Switch(CLLI: STHLMIMNRSA))
989-389-4XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	ST HELEN	STHLMIMNRSA	N/A	Prefix Type: RBOC Switch Name: ST HELEN Switch Type: N/A LATA: Saginaw MI (344) Tandem: SGNWMIFA20T 🔧 Explore Switch(CLLI: STHLMIMNRSA))
989-389-7XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	ST HELEN	STHLMIMNRSA	N/A	Prefix Type: RBOC Switch Name: ST HELEN Switch Type: N/A LATA: Saginaw MI (344) Tandem: SGNWMIFA20T 🔧 Explore Switch(CLLI: STHLMIMNRSA))
989-426	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	GLADWIN	GLDWMIGLDS0	00/00/0000	Prefix Type: RBOC Switch Name: GLADWIN Switch Type: DMS100 LATA: Saginaw MI (344) Tandem: SGNWMIFA20T 🔧 Explore Switch(CLLI: GLDWMIGLDS0))
989-433	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	ROSEBUSH	RSBHMIMNRS0	00/00/0000	Prefix Type: RBOC Switch Name: ROSEBUSH Switch Type: N/A LATA: Saginaw MI (344) Tandem: SGNWMIFA20T 🔧 Explore Switch(CLLI: RSBHMIMNRS0))
989-433 is split into 1,000-number blocks - detail below
989-433-0XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	ROSEBUSH	RSBHMIMNRS0	N/A	Prefix Type: RBOC Switch Name: ROSEBUSH Switch Type: N/A LATA: Saginaw MI (344) Tandem: SGNWMIFA20T 🔧 Explore Switch(CLLI: RSBHMIMNRS0))
989-433-2XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	ROSEBUSH	RSBHMIMNRS0	N/A	Prefix Type: RBOC Switch Name: ROSEBUSH Switch Type: N/A LATA: Saginaw MI (344) Tandem: SGNWMIFA20T 🔧 Explore Switch(CLLI: RSBHMIMNRS0))
989-433-5XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	ROSEBUSH	RSBHMIMNRS0	N/A	Prefix Type: RBOC Switch Name: ROSEBUSH Switch Type: N/A LATA: Saginaw MI (344) Tandem: SGNWMIFA20T 🔧 Explore Switch(CLLI: RSBHMIMNRS0))
989-435	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	BEAVERTON	BVTNMIVTDS0	00/00/0000	Prefix Type: RBOC Switch Name: BEAVERTON Switch Type: DMS10 LATA: Saginaw MI (344) Tandem: SGNWMIFA20T 🔧 Explore Switch(CLLI: BVTNMIVTDS0))
989-435 is split into 1,000-number blocks - detail below
989-435-0XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	BEAVERTON	BVTNMIVTDS0	N/A	Prefix Type: RBOC Switch Name: BEAVERTON Switch Type: DMS10 LATA: Saginaw MI (344) Tandem: SGNWMIFA20T 🔧 Explore Switch(CLLI: BVTNMIVTDS0))
989-435-2XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	BEAVERTON	BVTNMIVTDS0	N/A	Prefix Type: RBOC Switch Name: BEAVERTON Switch Type: DMS10 LATA: Saginaw MI (344) Tandem: SGNWMIFA20T 🔧 Explore Switch(CLLI: BVTNMIVTDS0))
989-435-3XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	BEAVERTON	BVTNMIVTDS0	N/A	Prefix Type: RBOC Switch Name: BEAVERTON Switch Type: DMS10 LATA: Saginaw MI (344) Tandem: SGNWMIFA20T 🔧 Explore Switch(CLLI: BVTNMIVTDS0))
989-435-4XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	BEAVERTON	BVTNMIVTDS0	N/A	Prefix Type: RBOC Switch Name: BEAVERTON Switch Type: DMS10 LATA: Saginaw MI (344) Tandem: SGNWMIFA20T 🔧 Explore Switch(CLLI: BVTNMIVTDS0))
989-435-7XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	BEAVERTON	BVTNMIVTDS0	N/A	Prefix Type: RBOC Switch Name: BEAVERTON Switch Type: DMS10 LATA: Saginaw MI (344) Tandem: SGNWMIFA20T 🔧 Explore Switch(CLLI: BVTNMIVTDS0))
989-435-8XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	BEAVERTON	BVTNMIVTDS0	N/A	Prefix Type: RBOC Switch Name: BEAVERTON Switch Type: DMS10 LATA: Saginaw MI (344) Tandem: SGNWMIFA20T 🔧 Explore Switch(CLLI: BVTNMIVTDS0))
989-435-9XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	BEAVERTON	BVTNMIVTDS0	N/A	Prefix Type: RBOC Switch Name: BEAVERTON Switch Type: DMS10 LATA: Saginaw MI (344) Tandem: SGNWMIFA20T 🔧 Explore Switch(CLLI: BVTNMIVTDS0))
989-465	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	COLEMAN	CLMNMIMNRSA	00/00/0000	Prefix Type: RBOC Switch Name: COLEMAN Switch Type: N/A LATA: Saginaw MI (344) Tandem: SGNWMIFA20T 🔧 Explore Switch(CLLI: CLMNMIMNRSA))
989-465 is split into 1,000-number blocks - detail below
989-465-1XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	COLEMAN	CLMNMIMNRSA	N/A	Prefix Type: RBOC Switch Name: COLEMAN Switch Type: N/A LATA: Saginaw MI (344) Tandem: SGNWMIFA20T 🔧 Explore Switch(CLLI: CLMNMIMNRSA))
989-465-6XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	COLEMAN	CLMNMIMNRSA	N/A	Prefix Type: RBOC Switch Name: COLEMAN Switch Type: N/A LATA: Saginaw MI (344) Tandem: SGNWMIFA20T 🔧 Explore Switch(CLLI: CLMNMIMNRSA))
989-465-9XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	COLEMAN	CLMNMIMNRSA	N/A	Prefix Type: RBOC Switch Name: COLEMAN Switch Type: N/A LATA: Saginaw MI (344) Tandem: SGNWMIFA20T 🔧 Explore Switch(CLLI: CLMNMIMNRSA))
989-480 is split into 1,000-number blocks - detail below
989-480-4XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	FRANKENMTH	FRKMMIFRRSA	08/03/2010	Prefix Type: RBOC Switch Name: FRANKENMUTH Switch Type: N/A LATA: Saginaw MI (344) Tandem: SGNWMIFA20T 🔧 Explore Switch(CLLI: FRKMMIFRRSA))
989-488 is split into 1,000-number blocks - detail below
989-488-5XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	MIDLAND	MDLDMIMNDS0	09/14/2009	Prefix Type: RBOC Switch Name: MIDLAND DS0 Switch Type: DMS100 LATA: Saginaw MI (344) Tandem: SGNWMIFA20T 🔧 Explore Switch(CLLI: MDLDMIMNDS0))
989-495	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	MIDLAND	MDLDMISERSA	00/00/0000	Prefix Type: RBOC Switch Name: MIDLAND SE Switch Type: N/A LATA: Saginaw MI (344) Tandem: SGNWMIFA20T 🔧 Explore Switch(CLLI: MDLDMISERSA))
989-495 is split into 1,000-number blocks - detail below
989-495-0XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	MIDLAND	MDLDMISERSA	N/A	Prefix Type: RBOC Switch Name: MIDLAND SE Switch Type: N/A LATA: Saginaw MI (344) Tandem: SGNWMIFA20T 🔧 Explore Switch(CLLI: MDLDMISERSA))
989-495-5XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	MIDLAND	MDLDMISERSA	N/A	Prefix Type: RBOC Switch Name: MIDLAND SE Switch Type: N/A LATA: Saginaw MI (344) Tandem: SGNWMIFA20T 🔧 Explore Switch(CLLI: MDLDMISERSA))
989-495-7XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	MIDLAND	MDLDMISERSA	N/A	Prefix Type: RBOC Switch Name: MIDLAND SE Switch Type: N/A LATA: Saginaw MI (344) Tandem: SGNWMIFA20T 🔧 Explore Switch(CLLI: MDLDMISERSA))
989-495-9XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	MIDLAND	MDLDMISERSA	N/A	Prefix Type: RBOC Switch Name: MIDLAND SE Switch Type: N/A LATA: Saginaw MI (344) Tandem: SGNWMIFA20T 🔧 Explore Switch(CLLI: MDLDMISERSA))
989-496	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	MIDLAND	MDLDMISERSA	00/00/0000	Prefix Type: RBOC Switch Name: MIDLAND SE Switch Type: N/A LATA: Saginaw MI (344) Tandem: SGNWMIFA20T 🔧 Explore Switch(CLLI: MDLDMISERSA))
989-497	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	SAGINAW	SGNWMIWSDS1	00/00/0000	Prefix Type: RBOC Switch Name: SAGINAW WS DS1 Switch Type: DMS100 LATA: Saginaw MI (344) Tandem: SGNWMIFA20T 🔧 Explore Switch(CLLI: SGNWMIWSDS1))
989-497 is split into 1,000-number blocks - detail below
989-497-0XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	SAGINAW	SGNWMIWSDS1	N/A	Prefix Type: RBOC Switch Name: SAGINAW WS DS1 Switch Type: DMS100 LATA: Saginaw MI (344) Tandem: SGNWMIFA20T 🔧 Explore Switch(CLLI: SGNWMIWSDS1))
989-497-1XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	SAGINAW	SGNWMIWSDS1	N/A	Prefix Type: RBOC Switch Name: SAGINAW WS DS1 Switch Type: DMS100 LATA: Saginaw MI (344) Tandem: SGNWMIFA20T 🔧 Explore Switch(CLLI: SGNWMIWSDS1))
989-497-2XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	SAGINAW	SGNWMIWSDS1	N/A	Prefix Type: RBOC Switch Name: SAGINAW WS DS1 Switch Type: DMS100 LATA: Saginaw MI (344) Tandem: SGNWMIFA20T 🔧 Explore Switch(CLLI: SGNWMIWSDS1))
989-497-3XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	SAGINAW	SGNWMIWSDS1	N/A	Prefix Type: RBOC Switch Name: SAGINAW WS DS1 Switch Type: DMS100 LATA: Saginaw MI (344) Tandem: SGNWMIFA20T 🔧 Explore Switch(CLLI: SGNWMIWSDS1))
989-497-5XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	SAGINAW	SGNWMIWSDS1	N/A	Prefix Type: RBOC Switch Name: SAGINAW WS DS1 Switch Type: DMS100 LATA: Saginaw MI (344) Tandem: SGNWMIFA20T 🔧 Explore Switch(CLLI: SGNWMIWSDS1))
989-497-6XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	SAGINAW	SGNWMIWSDS1	N/A	Prefix Type: RBOC Switch Name: SAGINAW WS DS1 Switch Type: DMS100 LATA: Saginaw MI (344) Tandem: SGNWMIFA20T 🔧 Explore Switch(CLLI: SGNWMIWSDS1))
989-497-7XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	SAGINAW	SGNWMIWSDS1	N/A	Prefix Type: RBOC Switch Name: SAGINAW WS DS1 Switch Type: DMS100 LATA: Saginaw MI (344) Tandem: SGNWMIFA20T 🔧 Explore Switch(CLLI: SGNWMIWSDS1))
989-497-8XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	SAGINAW	SGNWMIWSDS1	N/A	Prefix Type: RBOC Switch Name: SAGINAW WS DS1 Switch Type: DMS100 LATA: Saginaw MI (344) Tandem: SGNWMIFA20T 🔧 Explore Switch(CLLI: SGNWMIWSDS1))
989-497-9XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	SAGINAW	SGNWMIWSDS1	N/A	Prefix Type: RBOC Switch Name: SAGINAW WS DS1 Switch Type: DMS100 LATA: Saginaw MI (344) Tandem: SGNWMIFA20T 🔧 Explore Switch(CLLI: SGNWMIWSDS1))
989-498	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	SAGINAW	SGNWMIWSDS0	00/00/0000	Prefix Type: RBOC Switch Name: SAGINAW WS DS0 Switch Type: 5ESS LATA: Saginaw MI (344) Tandem: SGNWMIFA20T 🔧 Explore Switch(CLLI: SGNWMIWSDS0))
989-498 is split into 1,000-number blocks - detail below
989-498-0XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	SAGINAW	SGNWMIWSDS0	N/A	Prefix Type: RBOC Switch Name: SAGINAW WS DS0 Switch Type: 5ESS LATA: Saginaw MI (344) Tandem: SGNWMIFA20T 🔧 Explore Switch(CLLI: SGNWMIWSDS0))
989-498-2XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	SAGINAW	SGNWMIWSDS0	N/A	Prefix Type: RBOC Switch Name: SAGINAW WS DS0 Switch Type: 5ESS LATA: Saginaw MI (344) Tandem: SGNWMIFA20T 🔧 Explore Switch(CLLI: SGNWMIWSDS0))
989-498-4XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	SAGINAW	SGNWMIWSDS0	N/A	Prefix Type: RBOC Switch Name: SAGINAW WS DS0 Switch Type: 5ESS LATA: Saginaw MI (344) Tandem: SGNWMIFA20T 🔧 Explore Switch(CLLI: SGNWMIWSDS0))
989-539	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	HARRISON	HRSNMIMNDS0	00/00/0000	Prefix Type: RBOC Switch Name: HARRISON Switch Type: DMS10 LATA: Saginaw MI (344) Tandem: SGNWMIFA20T 🔧 Explore Switch(CLLI: HRSNMIMNDS0))
989-544	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	FARWELL	FRWLMIWSRS1	00/00/0000	Prefix Type: RBOC Switch Name: FARWELL WS Switch Type: N/A LATA: Saginaw MI (344) Tandem: SGNWMIFA20T 🔧 Explore Switch(CLLI: FRWLMIWSRS1))
989-544 is split into 1,000-number blocks - detail below
989-544-2XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	FARWELL	FRWLMIWSRS1	N/A	Prefix Type: RBOC Switch Name: FARWELL WS Switch Type: N/A LATA: Saginaw MI (344) Tandem: SGNWMIFA20T 🔧 Explore Switch(CLLI: FRWLMIWSRS1))
989-544-3XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	FARWELL	FRWLMIWSRS1	N/A	Prefix Type: RBOC Switch Name: FARWELL WS Switch Type: N/A LATA: Saginaw MI (344) Tandem: SGNWMIFA20T 🔧 Explore Switch(CLLI: FRWLMIWSRS1))
989-583	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	SAGINAW	SGNWMIFADS0	00/00/0000	Prefix Type: RBOC Switch Name: SAGINAW DS0 Switch Type: DMS1/2 LATA: Saginaw MI (344) Tandem: SGNWMIFA20T 🔧 Explore Switch(CLLI: SGNWMIFADS0))
989-588	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	FARWELL	FRWLMIMNRSA	00/00/0000	Prefix Type: RBOC Switch Name: FARWELL Switch Type: N/A LATA: Saginaw MI (344) Tandem: SGNWMIFA20T 🔧 Explore Switch(CLLI: FRWLMIMNRSA))
989-588 is split into 1,000-number blocks - detail below
989-588-0XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	FARWELL	FRWLMIMNRSA	N/A	Prefix Type: RBOC Switch Name: FARWELL Switch Type: N/A LATA: Saginaw MI (344) Tandem: SGNWMIFA20T 🔧 Explore Switch(CLLI: FRWLMIMNRSA))
989-588-2XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	FARWELL	FRWLMIMNRSA	N/A	Prefix Type: RBOC Switch Name: FARWELL Switch Type: N/A LATA: Saginaw MI (344) Tandem: SGNWMIFA20T 🔧 Explore Switch(CLLI: FRWLMIMNRSA))
989-588-3XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	FARWELL	FRWLMIMNRSA	N/A	Prefix Type: RBOC Switch Name: FARWELL Switch Type: N/A LATA: Saginaw MI (344) Tandem: SGNWMIFA20T 🔧 Explore Switch(CLLI: FRWLMIMNRSA))
989-588-4XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	FARWELL	FRWLMIMNRSA	N/A	Prefix Type: RBOC Switch Name: FARWELL Switch Type: N/A LATA: Saginaw MI (344) Tandem: SGNWMIFA20T 🔧 Explore Switch(CLLI: FRWLMIMNRSA))
989-588-5XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	FARWELL	FRWLMIMNRSA	N/A	Prefix Type: RBOC Switch Name: FARWELL Switch Type: N/A LATA: Saginaw MI (344) Tandem: SGNWMIFA20T 🔧 Explore Switch(CLLI: FRWLMIMNRSA))
989-588-6XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	FARWELL	FRWLMIMNRSA	N/A	Prefix Type: RBOC Switch Name: FARWELL Switch Type: N/A LATA: Saginaw MI (344) Tandem: SGNWMIFA20T 🔧 Explore Switch(CLLI: FRWLMIMNRSA))
989-588-7XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	FARWELL	FRWLMIMNRSA	N/A	Prefix Type: RBOC Switch Name: FARWELL Switch Type: N/A LATA: Saginaw MI (344) Tandem: SGNWMIFA20T 🔧 Explore Switch(CLLI: FRWLMIMNRSA))
989-588-8XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	FARWELL	FRWLMIMNRSA	N/A	Prefix Type: RBOC Switch Name: FARWELL Switch Type: N/A LATA: Saginaw MI (344) Tandem: SGNWMIFA20T 🔧 Explore Switch(CLLI: FRWLMIMNRSA))
989-588-9XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	FARWELL	FRWLMIMNRSA	N/A	Prefix Type: RBOC Switch Name: FARWELL Switch Type: N/A LATA: Saginaw MI (344) Tandem: SGNWMIFA20T 🔧 Explore Switch(CLLI: FRWLMIMNRSA))
989-624	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	BIRCH RUN	BRRNMIMNRSA	00/00/0000	Prefix Type: RBOC Switch Name: BIRCH RUN Switch Type: N/A LATA: Saginaw MI (344) Tandem: SGNWMIFA20T 🔧 Explore Switch(CLLI: BRRNMIMNRSA))
989-624 is split into 1,000-number blocks - detail below
989-624-0XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	BIRCH RUN	BRRNMIMNRSA	N/A	Prefix Type: RBOC Switch Name: BIRCH RUN Switch Type: N/A LATA: Saginaw MI (344) Tandem: SGNWMIFA20T 🔧 Explore Switch(CLLI: BRRNMIMNRSA))
989-624-1XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	BIRCH RUN	BRRNMIMNRSA	N/A	Prefix Type: RBOC Switch Name: BIRCH RUN Switch Type: N/A LATA: Saginaw MI (344) Tandem: SGNWMIFA20T 🔧 Explore Switch(CLLI: BRRNMIMNRSA))
989-624-4XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	BIRCH RUN	BRRNMIMNRSA	N/A	Prefix Type: RBOC Switch Name: BIRCH RUN Switch Type: N/A LATA: Saginaw MI (344) Tandem: SGNWMIFA20T 🔧 Explore Switch(CLLI: BRRNMIMNRSA))
989-624-5XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	BIRCH RUN	BRRNMIMNRSA	N/A	Prefix Type: RBOC Switch Name: BIRCH RUN Switch Type: N/A LATA: Saginaw MI (344) Tandem: SGNWMIFA20T 🔧 Explore Switch(CLLI: BRRNMIMNRSA))
989-624-6XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	BIRCH RUN	BRRNMIMNRSA	N/A	Prefix Type: RBOC Switch Name: BIRCH RUN Switch Type: N/A LATA: Saginaw MI (344) Tandem: SGNWMIFA20T 🔧 Explore Switch(CLLI: BRRNMIMNRSA))
989-624-8XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	BIRCH RUN	BRRNMIMNRSA	N/A	Prefix Type: RBOC Switch Name: BIRCH RUN Switch Type: N/A LATA: Saginaw MI (344) Tandem: SGNWMIFA20T 🔧 Explore Switch(CLLI: BRRNMIMNRSA))
989-624-9XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	BIRCH RUN	BRRNMIMNRSA	N/A	Prefix Type: RBOC Switch Name: BIRCH RUN Switch Type: N/A LATA: Saginaw MI (344) Tandem: SGNWMIFA20T 🔧 Explore Switch(CLLI: BRRNMIMNRSA))
989-631	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	MIDLAND	MDLDMIMNDS0	00/00/0000	Prefix Type: RBOC Switch Name: MIDLAND DS0 Switch Type: DMS100 LATA: Saginaw MI (344) Tandem: SGNWMIFA20T 🔧 Explore Switch(CLLI: MDLDMIMNDS0))
989-633	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	MIDLAND	MDLDMIMNDS0	00/00/0000	Prefix Type: RBOC Switch Name: MIDLAND DS0 Switch Type: DMS100 LATA: Saginaw MI (344) Tandem: SGNWMIFA20T 🔧 Explore Switch(CLLI: MDLDMIMNDS0))
989-636	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	MIDLAND	MDLDMIMNDS0	00/00/0000	Prefix Type: RBOC Switch Name: MIDLAND DS0 Switch Type: DMS100 LATA: Saginaw MI (344) Tandem: SGNWMIFA20T 🔧 Explore Switch(CLLI: MDLDMIMNDS0))
989-638	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	MIDLAND	MDLDMIMNDS0	00/00/0000	Prefix Type: RBOC Switch Name: MIDLAND DS0 Switch Type: DMS100 LATA: Saginaw MI (344) Tandem: SGNWMIFA20T 🔧 Explore Switch(CLLI: MDLDMIMNDS0))
989-652	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	FRANKENMTH	FRKMMIFRRSA	00/00/0000	Prefix Type: RBOC Switch Name: FRANKENMUTH Switch Type: N/A LATA: Saginaw MI (344) Tandem: SGNWMIFA20T 🔧 Explore Switch(CLLI: FRKMMIFRRSA))
989-656	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	BAY PORT	BYPTMIMNRSA	00/00/0000	Prefix Type: RBOC Switch Name: BAY PORT Switch Type: N/A LATA: Saginaw MI (344) Tandem: SGNWMIFA20T 🔧 Explore Switch(CLLI: BYPTMIMNRSA))
989-656 is split into 1,000-number blocks - detail below
989-656-7XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	BAY PORT	BYPTMIMNRSA	N/A	Prefix Type: RBOC Switch Name: BAY PORT Switch Type: N/A LATA: Saginaw MI (344) Tandem: SGNWMIFA20T 🔧 Explore Switch(CLLI: BYPTMIMNRSA))
989-658	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	UBLY	UBLYMIUBRSA	00/00/0000	Prefix Type: RBOC Switch Name: UBLY Switch Type: N/A LATA: Saginaw MI (344) Tandem: SGNWMIFA20T 🔧 Explore Switch(CLLI: UBLYMIUBRSA))
989-658 is split into 1,000-number blocks - detail below
989-658-2XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	UBLY	UBLYMIUBRSA	N/A	Prefix Type: RBOC Switch Name: UBLY Switch Type: N/A LATA: Saginaw MI (344) Tandem: SGNWMIFA20T 🔧 Explore Switch(CLLI: UBLYMIUBRSA))
989-658-8XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	UBLY	UBLYMIUBRSA	N/A	Prefix Type: RBOC Switch Name: UBLY Switch Type: N/A LATA: Saginaw MI (344) Tandem: SGNWMIFA20T 🔧 Explore Switch(CLLI: UBLYMIUBRSA))
989-662	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	AUBURN	AUBNMIMNRSA	00/00/0000	Prefix Type: RBOC Switch Name: AUBURN Switch Type: N/A LATA: Saginaw MI (344) Tandem: SGNWMIFA20T 🔧 Explore Switch(CLLI: AUBNMIMNRSA))
989-662 is split into 1,000-number blocks - detail below
989-662-0XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	AUBURN	AUBNMIMNRSA	N/A	Prefix Type: RBOC Switch Name: AUBURN Switch Type: N/A LATA: Saginaw MI (344) Tandem: SGNWMIFA20T 🔧 Explore Switch(CLLI: AUBNMIMNRSA))
989-662-2XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	AUBURN	AUBNMIMNRSA	N/A	Prefix Type: RBOC Switch Name: AUBURN Switch Type: N/A LATA: Saginaw MI (344) Tandem: SGNWMIFA20T 🔧 Explore Switch(CLLI: AUBNMIMNRSA))
989-662-4XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	AUBURN	AUBNMIMNRSA	N/A	Prefix Type: RBOC Switch Name: AUBURN Switch Type: N/A LATA: Saginaw MI (344) Tandem: SGNWMIFA20T 🔧 Explore Switch(CLLI: AUBNMIMNRSA))
989-662-6XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	AUBURN	AUBNMIMNRSA	N/A	Prefix Type: RBOC Switch Name: AUBURN Switch Type: N/A LATA: Saginaw MI (344) Tandem: SGNWMIFA20T 🔧 Explore Switch(CLLI: AUBNMIMNRSA))
989-662-7XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	AUBURN	AUBNMIMNRSA	N/A	Prefix Type: RBOC Switch Name: AUBURN Switch Type: N/A LATA: Saginaw MI (344) Tandem: SGNWMIFA20T 🔧 Explore Switch(CLLI: AUBNMIMNRSA))
989-665	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	GAGETOWN	GGTWMIRMRSA	00/00/0000	Prefix Type: RBOC Switch Name: GAGETOWN Switch Type: N/A LATA: Saginaw MI (344) Tandem: SGNWMIFA20T 🔧 Explore Switch(CLLI: GGTWMIRMRSA))
989-665 is split into 1,000-number blocks - detail below
989-665-0XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	GAGETOWN	GGTWMIRMRSA	N/A	Prefix Type: RBOC Switch Name: GAGETOWN Switch Type: N/A LATA: Saginaw MI (344) Tandem: SGNWMIFA20T 🔧 Explore Switch(CLLI: GGTWMIRMRSA))
989-665-2XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	GAGETOWN	GGTWMIRMRSA	N/A	Prefix Type: RBOC Switch Name: GAGETOWN Switch Type: N/A LATA: Saginaw MI (344) Tandem: SGNWMIFA20T 🔧 Explore Switch(CLLI: GGTWMIRMRSA))
989-667	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	BAY CITY	BYCYMIWSDS0	00/00/0000	Prefix Type: RBOC Switch Name: BAY CITY WS Switch Type: 5ESS LATA: Saginaw MI (344) Tandem: SGNWMIFA20T 🔧 Explore Switch(CLLI: BYCYMIWSDS0))
989-671	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	BAY CITY	BYCYMIWSDS0	00/00/0000	Prefix Type: RBOC Switch Name: BAY CITY WS Switch Type: 5ESS LATA: Saginaw MI (344) Tandem: SGNWMIFA20T 🔧 Explore Switch(CLLI: BYCYMIWSDS0))
989-671 is split into 1,000-number blocks - detail below
989-671-0XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	BAY CITY	BYCYMIWSDS0	N/A	Prefix Type: RBOC Switch Name: BAY CITY WS Switch Type: 5ESS LATA: Saginaw MI (344) Tandem: SGNWMIFA20T 🔧 Explore Switch(CLLI: BYCYMIWSDS0))
989-671-1XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	BAY CITY	BYCYMIWSDS0	N/A	Prefix Type: RBOC Switch Name: BAY CITY WS Switch Type: 5ESS LATA: Saginaw MI (344) Tandem: SGNWMIFA20T 🔧 Explore Switch(CLLI: BYCYMIWSDS0))
989-671-2XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	BAY CITY	BYCYMIWSDS0	N/A	Prefix Type: RBOC Switch Name: BAY CITY WS Switch Type: 5ESS LATA: Saginaw MI (344) Tandem: SGNWMIFA20T 🔧 Explore Switch(CLLI: BYCYMIWSDS0))
989-671-3XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	BAY CITY	BYCYMIWSDS0	N/A	Prefix Type: RBOC Switch Name: BAY CITY WS Switch Type: 5ESS LATA: Saginaw MI (344) Tandem: SGNWMIFA20T 🔧 Explore Switch(CLLI: BYCYMIWSDS0))
989-671-4XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	BAY CITY	BYCYMIWSDS0	N/A	Prefix Type: RBOC Switch Name: BAY CITY WS Switch Type: 5ESS LATA: Saginaw MI (344) Tandem: SGNWMIFA20T 🔧 Explore Switch(CLLI: BYCYMIWSDS0))
989-671-5XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	BAY CITY	BYCYMIWSDS0	N/A	Prefix Type: RBOC Switch Name: BAY CITY WS Switch Type: 5ESS LATA: Saginaw MI (344) Tandem: SGNWMIFA20T 🔧 Explore Switch(CLLI: BYCYMIWSDS0))
989-671-6XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	BAY CITY	BYCYMIWSDS0	N/A	Prefix Type: RBOC Switch Name: BAY CITY WS Switch Type: 5ESS LATA: Saginaw MI (344) Tandem: SGNWMIFA20T 🔧 Explore Switch(CLLI: BYCYMIWSDS0))
989-671-8XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	BAY CITY	BYCYMIWSDS0	N/A	Prefix Type: RBOC Switch Name: BAY CITY WS Switch Type: 5ESS LATA: Saginaw MI (344) Tandem: SGNWMIFA20T 🔧 Explore Switch(CLLI: BYCYMIWSDS0))
989-671-9XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	BAY CITY	BYCYMIWSDS0	N/A	Prefix Type: RBOC Switch Name: BAY CITY WS Switch Type: 5ESS LATA: Saginaw MI (344) Tandem: SGNWMIFA20T 🔧 Explore Switch(CLLI: BYCYMIWSDS0))
989-674	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	UNIONVILLE	UNVLMIMNRS0	00/00/0000	Prefix Type: RBOC Switch Name: UNIONVILLE Switch Type: N/A LATA: Saginaw MI (344) Tandem: SGNWMIFA20T 🔧 Explore Switch(CLLI: UNVLMIMNRS0))
989-674 is split into 1,000-number blocks - detail below
989-674-2XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	UNIONVILLE	UNVLMIMNRS0	N/A	Prefix Type: RBOC Switch Name: UNIONVILLE Switch Type: N/A LATA: Saginaw MI (344) Tandem: SGNWMIFA20T 🔧 Explore Switch(CLLI: UNVLMIMNRS0))
989-674-8XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	UNIONVILLE	UNVLMIMNRS0	N/A	Prefix Type: RBOC Switch Name: UNIONVILLE Switch Type: N/A LATA: Saginaw MI (344) Tandem: SGNWMIFA20T 🔧 Explore Switch(CLLI: UNVLMIMNRS0))
989-678	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	OWENDALE	OWNDMIMNRSA	00/00/0000	Prefix Type: RBOC Switch Name: OWENDALE Switch Type: N/A LATA: Saginaw MI (344) Tandem: SGNWMIFA20T 🔧 Explore Switch(CLLI: OWNDMIMNRSA))
989-678 is split into 1,000-number blocks - detail below
989-678-4XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	OWENDALE	OWNDMIMNRSA	N/A	Prefix Type: RBOC Switch Name: OWENDALE Switch Type: N/A LATA: Saginaw MI (344) Tandem: SGNWMIFA20T 🔧 Explore Switch(CLLI: OWNDMIMNRSA))
989-684	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	BAY CITY	BYCYMIWSDS0	00/00/0000	Prefix Type: RBOC Switch Name: BAY CITY WS Switch Type: 5ESS LATA: Saginaw MI (344) Tandem: SGNWMIFA20T 🔧 Explore Switch(CLLI: BYCYMIWSDS0))
989-686	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	BAY CITY	BYCYMIWSDS0	00/00/0000	Prefix Type: RBOC Switch Name: BAY CITY WS Switch Type: 5ESS LATA: Saginaw MI (344) Tandem: SGNWMIFA20T 🔧 Explore Switch(CLLI: BYCYMIWSDS0))
989-691	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	AKRON	FRGRMIMNRS0	00/00/0000	Prefix Type: RBOC Switch Name: FAIRGROVE Switch Type: N/A LATA: Saginaw MI (344) Tandem: SGNWMIFA20T 🔧 Explore Switch(CLLI: FRGRMIMNRS0))
989-691 is split into 1,000-number blocks - detail below
989-691-5XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	AKRON	FRGRMIMNRS0	N/A	Prefix Type: RBOC Switch Name: FAIRGROVE Switch Type: N/A LATA: Saginaw MI (344) Tandem: SGNWMIFA20T 🔧 Explore Switch(CLLI: FRGRMIMNRS0))
989-692	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	FREELAND	FELDMIFLRSA	00/00/0000	Prefix Type: RBOC Switch Name: FREELAND Switch Type: N/A LATA: Saginaw MI (344) Tandem: SGNWMIFA20T 🔧 Explore Switch(CLLI: FELDMIFLRSA))
989-692 is split into 1,000-number blocks - detail below
989-692-0XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	FREELAND	FELDMIFLRSA	N/A	Prefix Type: RBOC Switch Name: FREELAND Switch Type: N/A LATA: Saginaw MI (344) Tandem: SGNWMIFA20T 🔧 Explore Switch(CLLI: FELDMIFLRSA))
989-692-6XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	FREELAND	FELDMIFLRSA	N/A	Prefix Type: RBOC Switch Name: FREELAND Switch Type: N/A LATA: Saginaw MI (344) Tandem: SGNWMIFA20T 🔧 Explore Switch(CLLI: FELDMIFLRSA))
989-693	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	FAIRGROVE	FRGRMIMNRS0	00/00/0000	Prefix Type: RBOC Switch Name: FAIRGROVE Switch Type: N/A LATA: Saginaw MI (344) Tandem: SGNWMIFA20T 🔧 Explore Switch(CLLI: FRGRMIMNRS0))
989-693 is split into 1,000-number blocks - detail below
989-693-6XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	FAIRGROVE	FRGRMIMNRS0	N/A	Prefix Type: RBOC Switch Name: FAIRGROVE Switch Type: N/A LATA: Saginaw MI (344) Tandem: SGNWMIFA20T 🔧 Explore Switch(CLLI: FRGRMIMNRS0))
989-695	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	FREELAND	FELDMIFLRSA	00/00/0000	Prefix Type: RBOC Switch Name: FREELAND Switch Type: N/A LATA: Saginaw MI (344) Tandem: SGNWMIFA20T 🔧 Explore Switch(CLLI: FELDMIFLRSA))
989-695 is split into 1,000-number blocks - detail below
989-695-1XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	FREELAND	FELDMIFLRSA	N/A	Prefix Type: RBOC Switch Name: FREELAND Switch Type: N/A LATA: Saginaw MI (344) Tandem: SGNWMIFA20T 🔧 Explore Switch(CLLI: FELDMIFLRSA))
989-695-2XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	FREELAND	FELDMIFLRSA	N/A	Prefix Type: RBOC Switch Name: FREELAND Switch Type: N/A LATA: Saginaw MI (344) Tandem: SGNWMIFA20T 🔧 Explore Switch(CLLI: FELDMIFLRSA))
989-695-3XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	FREELAND	FELDMIFLRSA	N/A	Prefix Type: RBOC Switch Name: FREELAND Switch Type: N/A LATA: Saginaw MI (344) Tandem: SGNWMIFA20T 🔧 Explore Switch(CLLI: FELDMIFLRSA))
989-695-4XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	FREELAND	FELDMIFLRSA	N/A	Prefix Type: RBOC Switch Name: FREELAND Switch Type: N/A LATA: Saginaw MI (344) Tandem: SGNWMIFA20T 🔧 Explore Switch(CLLI: FELDMIFLRSA))
989-695-5XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	FREELAND	FELDMIFLRSA	N/A	Prefix Type: RBOC Switch Name: FREELAND Switch Type: N/A LATA: Saginaw MI (344) Tandem: SGNWMIFA20T 🔧 Explore Switch(CLLI: FELDMIFLRSA))
989-695-6XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	FREELAND	FELDMIFLRSA	N/A	Prefix Type: RBOC Switch Name: FREELAND Switch Type: N/A LATA: Saginaw MI (344) Tandem: SGNWMIFA20T 🔧 Explore Switch(CLLI: FELDMIFLRSA))
989-695-7XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	FREELAND	FELDMIFLRSA	N/A	Prefix Type: RBOC Switch Name: FREELAND Switch Type: N/A LATA: Saginaw MI (344) Tandem: SGNWMIFA20T 🔧 Explore Switch(CLLI: FELDMIFLRSA))
989-695-8XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	FREELAND	FELDMIFLRSA	N/A	Prefix Type: RBOC Switch Name: FREELAND Switch Type: N/A LATA: Saginaw MI (344) Tandem: SGNWMIFA20T 🔧 Explore Switch(CLLI: FELDMIFLRSA))
989-695-9XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	FREELAND	FELDMIFLRSA	N/A	Prefix Type: RBOC Switch Name: FREELAND Switch Type: N/A LATA: Saginaw MI (344) Tandem: SGNWMIFA20T 🔧 Explore Switch(CLLI: FELDMIFLRSA))
989-697	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	LINWOOD	LNWDMIMNRSA	00/00/0000	Prefix Type: RBOC Switch Name: LINWOOD Switch Type: N/A LATA: Saginaw MI (344) Tandem: SGNWMIFA20T 🔧 Explore Switch(CLLI: LNWDMIMNRSA))
989-697 is split into 1,000-number blocks - detail below
989-697-3XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	LINWOOD	LNWDMIMNRSA	N/A	Prefix Type: RBOC Switch Name: LINWOOD Switch Type: N/A LATA: Saginaw MI (344) Tandem: SGNWMIFA20T 🔧 Explore Switch(CLLI: LNWDMIMNRSA))
989-697-4XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	LINWOOD	LNWDMIMNRSA	N/A	Prefix Type: RBOC Switch Name: LINWOOD Switch Type: N/A LATA: Saginaw MI (344) Tandem: SGNWMIFA20T 🔧 Explore Switch(CLLI: LNWDMIMNRSA))
989-697-5XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	LINWOOD	LNWDMIMNRSA	N/A	Prefix Type: RBOC Switch Name: LINWOOD Switch Type: N/A LATA: Saginaw MI (344) Tandem: SGNWMIFA20T 🔧 Explore Switch(CLLI: LNWDMIMNRSA))
989-718	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	STANDISH	STNDMIMNRSA	11/28/2001	Prefix Type: RBOC Switch Name: STANDISH Switch Type: N/A LATA: Saginaw MI (344) Tandem: SGNWMIFA20T 🔧 Explore Switch(CLLI: STNDMIMNRSA))
989-739	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	OSCODA	OSCDMIMNRSA	00/00/0000	Prefix Type: RBOC Switch Name: OSCODA Switch Type: N/A LATA: Saginaw MI (344) Tandem: SGNWMIFA20T 🔧 Explore Switch(CLLI: OSCDMIMNRSA))
989-746	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	SAGINAW	BRPTMIMNRSA	00/00/0000	Prefix Type: RBOC Switch Name: BRIDGEPORT Switch Type: N/A LATA: Saginaw MI (344) Tandem: SGNWMIFA20T 🔧 Explore Switch(CLLI: BRPTMIMNRSA))
989-746 is split into 1,000-number blocks - detail below
989-746-0XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	SAGINAW	BRPTMIMNRSA	N/A	Prefix Type: RBOC Switch Name: BRIDGEPORT Switch Type: N/A LATA: Saginaw MI (344) Tandem: SGNWMIFA20T 🔧 Explore Switch(CLLI: BRPTMIMNRSA))
989-746-9XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	SAGINAW	BRPTMIMNRSA	N/A	Prefix Type: RBOC Switch Name: BRIDGEPORT Switch Type: N/A LATA: Saginaw MI (344) Tandem: SGNWMIFA20T 🔧 Explore Switch(CLLI: BRPTMIMNRSA))
989-747	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	OSCODA	OSCDMIMNRSA	00/00/0000	Prefix Type: RBOC Switch Name: OSCODA Switch Type: N/A LATA: Saginaw MI (344) Tandem: SGNWMIFA20T 🔧 Explore Switch(CLLI: OSCDMIMNRSA))
989-747 is split into 1,000-number blocks - detail below
989-747-0XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	OSCODA	OSCDMIMNRSA	N/A	Prefix Type: RBOC Switch Name: OSCODA Switch Type: N/A LATA: Saginaw MI (344) Tandem: SGNWMIFA20T 🔧 Explore Switch(CLLI: OSCDMIMNRSA))
989-752	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	SAGINAW	SGNWMIFADS0	00/00/0000	Prefix Type: RBOC Switch Name: SAGINAW DS0 Switch Type: DMS1/2 LATA: Saginaw MI (344) Tandem: SGNWMIFA20T 🔧 Explore Switch(CLLI: SGNWMIFADS0))
989-753	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	SAGINAW	SGNWMIFADS0	00/00/0000	Prefix Type: RBOC Switch Name: SAGINAW DS0 Switch Type: DMS1/2 LATA: Saginaw MI (344) Tandem: SGNWMIFA20T 🔧 Explore Switch(CLLI: SGNWMIFADS0))
989-754	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	SAGINAW	SGNWMIFADS0	00/00/0000	Prefix Type: RBOC Switch Name: SAGINAW DS0 Switch Type: DMS1/2 LATA: Saginaw MI (344) Tandem: SGNWMIFA20T 🔧 Explore Switch(CLLI: SGNWMIFADS0))
989-755	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	SAGINAW	SGNWMIFADS0	00/00/0000	Prefix Type: RBOC Switch Name: SAGINAW DS0 Switch Type: DMS1/2 LATA: Saginaw MI (344) Tandem: SGNWMIFA20T 🔧 Explore Switch(CLLI: SGNWMIFADS0))
989-757	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	SAGINAW	SGNWMIFADS0	00/00/0000	Prefix Type: RBOC Switch Name: SAGINAW DS0 Switch Type: DMS1/2 LATA: Saginaw MI (344) Tandem: SGNWMIFA20T 🔧 Explore Switch(CLLI: SGNWMIFADS0))
989-757 is split into 1,000-number blocks - detail below
989-757-0XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	SAGINAW	SGNWMIFADS0	N/A	Prefix Type: RBOC Switch Name: SAGINAW DS0 Switch Type: DMS1/2 LATA: Saginaw MI (344) Tandem: SGNWMIFA20T 🔧 Explore Switch(CLLI: SGNWMIFADS0))
989-757-1XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	SAGINAW	SGNWMIFADS0	N/A	Prefix Type: RBOC Switch Name: SAGINAW DS0 Switch Type: DMS1/2 LATA: Saginaw MI (344) Tandem: SGNWMIFA20T 🔧 Explore Switch(CLLI: SGNWMIFADS0))
989-757-2XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	SAGINAW	SGNWMIFADS0	N/A	Prefix Type: RBOC Switch Name: SAGINAW DS0 Switch Type: DMS1/2 LATA: Saginaw MI (344) Tandem: SGNWMIFA20T 🔧 Explore Switch(CLLI: SGNWMIFADS0))
989-757-3XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	SAGINAW	SGNWMIFADS0	N/A	Prefix Type: RBOC Switch Name: SAGINAW DS0 Switch Type: DMS1/2 LATA: Saginaw MI (344) Tandem: SGNWMIFA20T 🔧 Explore Switch(CLLI: SGNWMIFADS0))
989-757-4XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	SAGINAW	SGNWMIFADS0	N/A	Prefix Type: RBOC Switch Name: SAGINAW DS0 Switch Type: DMS1/2 LATA: Saginaw MI (344) Tandem: SGNWMIFA20T 🔧 Explore Switch(CLLI: SGNWMIFADS0))
989-757-5XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	SAGINAW	SGNWMIFADS0	N/A	Prefix Type: RBOC Switch Name: SAGINAW DS0 Switch Type: DMS1/2 LATA: Saginaw MI (344) Tandem: SGNWMIFA20T 🔧 Explore Switch(CLLI: SGNWMIFADS0))
989-757-6XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	SAGINAW	SGNWMIFADS0	N/A	Prefix Type: RBOC Switch Name: SAGINAW DS0 Switch Type: DMS1/2 LATA: Saginaw MI (344) Tandem: SGNWMIFA20T 🔧 Explore Switch(CLLI: SGNWMIFADS0))
989-757-9XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	SAGINAW	SGNWMIFADS0	N/A	Prefix Type: RBOC Switch Name: SAGINAW DS0 Switch Type: DMS1/2 LATA: Saginaw MI (344) Tandem: SGNWMIFA20T 🔧 Explore Switch(CLLI: SGNWMIFADS0))
989-758	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	SAGINAW	SGNWMIFADS0	00/00/0000	Prefix Type: RBOC Switch Name: SAGINAW DS0 Switch Type: DMS1/2 LATA: Saginaw MI (344) Tandem: SGNWMIFA20T 🔧 Explore Switch(CLLI: SGNWMIFADS0))
989-758 is split into 1,000-number blocks - detail below
989-758-0XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	SAGINAW	SGNWMIFADS0	N/A	Prefix Type: RBOC Switch Name: SAGINAW DS0 Switch Type: DMS1/2 LATA: Saginaw MI (344) Tandem: SGNWMIFA20T 🔧 Explore Switch(CLLI: SGNWMIFADS0))
989-758-1XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	SAGINAW	SGNWMIFADS0	N/A	Prefix Type: RBOC Switch Name: SAGINAW DS0 Switch Type: DMS1/2 LATA: Saginaw MI (344) Tandem: SGNWMIFA20T 🔧 Explore Switch(CLLI: SGNWMIFADS0))
989-758-2XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	SAGINAW	SGNWMIFADS0	N/A	Prefix Type: RBOC Switch Name: SAGINAW DS0 Switch Type: DMS1/2 LATA: Saginaw MI (344) Tandem: SGNWMIFA20T 🔧 Explore Switch(CLLI: SGNWMIFADS0))
989-758-3XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	SAGINAW	SGNWMIFADS0	N/A	Prefix Type: RBOC Switch Name: SAGINAW DS0 Switch Type: DMS1/2 LATA: Saginaw MI (344) Tandem: SGNWMIFA20T 🔧 Explore Switch(CLLI: SGNWMIFADS0))
989-758-4XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	SAGINAW	SGNWMIFADS0	N/A	Prefix Type: RBOC Switch Name: SAGINAW DS0 Switch Type: DMS1/2 LATA: Saginaw MI (344) Tandem: SGNWMIFA20T 🔧 Explore Switch(CLLI: SGNWMIFADS0))
989-758-5XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	SAGINAW	SGNWMIFADS0	N/A	Prefix Type: RBOC Switch Name: SAGINAW DS0 Switch Type: DMS1/2 LATA: Saginaw MI (344) Tandem: SGNWMIFA20T 🔧 Explore Switch(CLLI: SGNWMIFADS0))
989-758-6XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	SAGINAW	SGNWMIFADS0	N/A	Prefix Type: RBOC Switch Name: SAGINAW DS0 Switch Type: DMS1/2 LATA: Saginaw MI (344) Tandem: SGNWMIFA20T 🔧 Explore Switch(CLLI: SGNWMIFADS0))
989-758-7XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	SAGINAW	SGNWMIFADS0	N/A	Prefix Type: RBOC Switch Name: SAGINAW DS0 Switch Type: DMS1/2 LATA: Saginaw MI (344) Tandem: SGNWMIFA20T 🔧 Explore Switch(CLLI: SGNWMIFADS0))
989-758-9XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	SAGINAW	SGNWMIFADS0	N/A	Prefix Type: RBOC Switch Name: SAGINAW DS0 Switch Type: DMS1/2 LATA: Saginaw MI (344) Tandem: SGNWMIFA20T 🔧 Explore Switch(CLLI: SGNWMIFADS0))
989-759	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	SAGINAW	SGNWMIFADS0	00/00/0000	Prefix Type: RBOC Switch Name: SAGINAW DS0 Switch Type: DMS1/2 LATA: Saginaw MI (344) Tandem: SGNWMIFA20T 🔧 Explore Switch(CLLI: SGNWMIFADS0))
989-759 is split into 1,000-number blocks - detail below
989-759-1XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	SAGINAW	SGNWMIFADS0	N/A	Prefix Type: RBOC Switch Name: SAGINAW DS0 Switch Type: DMS1/2 LATA: Saginaw MI (344) Tandem: SGNWMIFA20T 🔧 Explore Switch(CLLI: SGNWMIFADS0))
989-759-2XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	SAGINAW	SGNWMIFADS0	N/A	Prefix Type: RBOC Switch Name: SAGINAW DS0 Switch Type: DMS1/2 LATA: Saginaw MI (344) Tandem: SGNWMIFA20T 🔧 Explore Switch(CLLI: SGNWMIFADS0))
989-759-3XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	SAGINAW	SGNWMIFADS0	N/A	Prefix Type: RBOC Switch Name: SAGINAW DS0 Switch Type: DMS1/2 LATA: Saginaw MI (344) Tandem: SGNWMIFA20T 🔧 Explore Switch(CLLI: SGNWMIFADS0))
989-759-4XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	SAGINAW	SGNWMIFADS0	N/A	Prefix Type: RBOC Switch Name: SAGINAW DS0 Switch Type: DMS1/2 LATA: Saginaw MI (344) Tandem: SGNWMIFA20T 🔧 Explore Switch(CLLI: SGNWMIFADS0))
989-759-5XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	SAGINAW	SGNWMIFADS0	N/A	Prefix Type: RBOC Switch Name: SAGINAW DS0 Switch Type: DMS1/2 LATA: Saginaw MI (344) Tandem: SGNWMIFA20T 🔧 Explore Switch(CLLI: SGNWMIFADS0))
989-759-6XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	SAGINAW	SGNWMIFADS0	N/A	Prefix Type: RBOC Switch Name: SAGINAW DS0 Switch Type: DMS1/2 LATA: Saginaw MI (344) Tandem: SGNWMIFA20T 🔧 Explore Switch(CLLI: SGNWMIFADS0))
989-759-7XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	SAGINAW	SGNWMIFADS0	N/A	Prefix Type: RBOC Switch Name: SAGINAW DS0 Switch Type: DMS1/2 LATA: Saginaw MI (344) Tandem: SGNWMIFA20T 🔧 Explore Switch(CLLI: SGNWMIFADS0))
989-759-8XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	SAGINAW	SGNWMIFADS0	N/A	Prefix Type: RBOC Switch Name: SAGINAW DS0 Switch Type: DMS1/2 LATA: Saginaw MI (344) Tandem: SGNWMIFA20T 🔧 Explore Switch(CLLI: SGNWMIFADS0))
989-770	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	SAGINAW	BRPTMISORSA	00/00/0000	Prefix Type: RBOC Switch Name: BRIDGEPORT SO Switch Type: N/A LATA: Saginaw MI (344) Tandem: SGNWMIFA20T 🔧 Explore Switch(CLLI: BRPTMISORSA))
989-770 is split into 1,000-number blocks - detail below
989-770-4XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	SAGINAW	BRPTMISORSA	N/A	Prefix Type: RBOC Switch Name: BRIDGEPORT SO Switch Type: N/A LATA: Saginaw MI (344) Tandem: SGNWMIFA20T 🔧 Explore Switch(CLLI: BRPTMISORSA))
989-770-5XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	SAGINAW	BRPTMISORSA	N/A	Prefix Type: RBOC Switch Name: BRIDGEPORT SO Switch Type: N/A LATA: Saginaw MI (344) Tandem: SGNWMIFA20T 🔧 Explore Switch(CLLI: BRPTMISORSA))
989-770-9XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	SAGINAW	BRPTMISORSA	N/A	Prefix Type: RBOC Switch Name: BRIDGEPORT SO Switch Type: N/A LATA: Saginaw MI (344) Tandem: SGNWMIFA20T 🔧 Explore Switch(CLLI: BRPTMISORSA))
989-771	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	SAGINAW	SGNWMIFADS0	00/00/0000	Prefix Type: RBOC Switch Name: SAGINAW DS0 Switch Type: DMS1/2 LATA: Saginaw MI (344) Tandem: SGNWMIFA20T 🔧 Explore Switch(CLLI: SGNWMIFADS0))
989-771 is split into 1,000-number blocks - detail below
989-771-0XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	SAGINAW	SGNWMIFADS0	N/A	Prefix Type: RBOC Switch Name: SAGINAW DS0 Switch Type: DMS1/2 LATA: Saginaw MI (344) Tandem: SGNWMIFA20T 🔧 Explore Switch(CLLI: SGNWMIFADS0))
989-771-1XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	SAGINAW	SGNWMIFADS0	N/A	Prefix Type: RBOC Switch Name: SAGINAW DS0 Switch Type: DMS1/2 LATA: Saginaw MI (344) Tandem: SGNWMIFA20T 🔧 Explore Switch(CLLI: SGNWMIFADS0))
989-771-2XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	SAGINAW	SGNWMIFADS0	N/A	Prefix Type: RBOC Switch Name: SAGINAW DS0 Switch Type: DMS1/2 LATA: Saginaw MI (344) Tandem: SGNWMIFA20T 🔧 Explore Switch(CLLI: SGNWMIFADS0))
989-771-3XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	SAGINAW	SGNWMIFADS0	N/A	Prefix Type: RBOC Switch Name: SAGINAW DS0 Switch Type: DMS1/2 LATA: Saginaw MI (344) Tandem: SGNWMIFA20T 🔧 Explore Switch(CLLI: SGNWMIFADS0))
989-771-4XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	SAGINAW	SGNWMIFADS0	N/A	Prefix Type: RBOC Switch Name: SAGINAW DS0 Switch Type: DMS1/2 LATA: Saginaw MI (344) Tandem: SGNWMIFA20T 🔧 Explore Switch(CLLI: SGNWMIFADS0))
989-771-5XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	SAGINAW	SGNWMIFADS0	N/A	Prefix Type: RBOC Switch Name: SAGINAW DS0 Switch Type: DMS1/2 LATA: Saginaw MI (344) Tandem: SGNWMIFA20T 🔧 Explore Switch(CLLI: SGNWMIFADS0))
989-771-8XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	SAGINAW	SGNWMIFADS0	N/A	Prefix Type: RBOC Switch Name: SAGINAW DS0 Switch Type: DMS1/2 LATA: Saginaw MI (344) Tandem: SGNWMIFA20T 🔧 Explore Switch(CLLI: SGNWMIFADS0))
989-771-9XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	SAGINAW	SGNWMIFADS0	N/A	Prefix Type: RBOC Switch Name: SAGINAW DS0 Switch Type: DMS1/2 LATA: Saginaw MI (344) Tandem: SGNWMIFA20T 🔧 Explore Switch(CLLI: SGNWMIFADS0))
989-776	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	SAGINAW	SGNWMIFADS0	00/00/0000	Prefix Type: RBOC Switch Name: SAGINAW DS0 Switch Type: DMS1/2 LATA: Saginaw MI (344) Tandem: SGNWMIFA20T 🔧 Explore Switch(CLLI: SGNWMIFADS0))
989-776 is split into 1,000-number blocks - detail below
989-776-0XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	SAGINAW	SGNWMIFADS0	N/A	Prefix Type: RBOC Switch Name: SAGINAW DS0 Switch Type: DMS1/2 LATA: Saginaw MI (344) Tandem: SGNWMIFA20T 🔧 Explore Switch(CLLI: SGNWMIFADS0))
989-776-1XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	SAGINAW	SGNWMIFADS0	N/A	Prefix Type: RBOC Switch Name: SAGINAW DS0 Switch Type: DMS1/2 LATA: Saginaw MI (344) Tandem: SGNWMIFA20T 🔧 Explore Switch(CLLI: SGNWMIFADS0))
989-776-2XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	SAGINAW	SGNWMIFADS0	N/A	Prefix Type: RBOC Switch Name: SAGINAW DS0 Switch Type: DMS1/2 LATA: Saginaw MI (344) Tandem: SGNWMIFA20T 🔧 Explore Switch(CLLI: SGNWMIFADS0))
989-776-4XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	SAGINAW	SGNWMIFADS0	N/A	Prefix Type: RBOC Switch Name: SAGINAW DS0 Switch Type: DMS1/2 LATA: Saginaw MI (344) Tandem: SGNWMIFA20T 🔧 Explore Switch(CLLI: SGNWMIFADS0))
989-776-5XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	SAGINAW	SGNWMIFADS0	N/A	Prefix Type: RBOC Switch Name: SAGINAW DS0 Switch Type: DMS1/2 LATA: Saginaw MI (344) Tandem: SGNWMIFA20T 🔧 Explore Switch(CLLI: SGNWMIFADS0))
989-776-6XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	SAGINAW	SGNWMIFADS0	N/A	Prefix Type: RBOC Switch Name: SAGINAW DS0 Switch Type: DMS1/2 LATA: Saginaw MI (344) Tandem: SGNWMIFA20T 🔧 Explore Switch(CLLI: SGNWMIFADS0))
989-776-7XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	SAGINAW	SGNWMIFADS0	N/A	Prefix Type: RBOC Switch Name: SAGINAW DS0 Switch Type: DMS1/2 LATA: Saginaw MI (344) Tandem: SGNWMIFA20T 🔧 Explore Switch(CLLI: SGNWMIFADS0))
989-776-8XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	SAGINAW	SGNWMIFADS0	N/A	Prefix Type: RBOC Switch Name: SAGINAW DS0 Switch Type: DMS1/2 LATA: Saginaw MI (344) Tandem: SGNWMIFA20T 🔧 Explore Switch(CLLI: SGNWMIFADS0))
989-776-9XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	SAGINAW	SGNWMIFADS0	N/A	Prefix Type: RBOC Switch Name: SAGINAW DS0 Switch Type: DMS1/2 LATA: Saginaw MI (344) Tandem: SGNWMIFA20T 🔧 Explore Switch(CLLI: SGNWMIFADS0))
989-777	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	SAGINAW	BRPTMIMNRSA	00/00/0000	Prefix Type: RBOC Switch Name: BRIDGEPORT Switch Type: N/A LATA: Saginaw MI (344) Tandem: SGNWMIFA20T 🔧 Explore Switch(CLLI: BRPTMIMNRSA))
989-781	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	SAGINAW	SGNWMISHRSA	00/00/0000	Prefix Type: RBOC Switch Name: SAGINAW SHIELDS Switch Type: N/A LATA: Saginaw MI (344) Tandem: SGNWMIFA20T 🔧 Explore Switch(CLLI: SGNWMISHRSA))
989-790	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	SAGINAW	SGNWMIWSDS1	00/00/0000	Prefix Type: RBOC Switch Name: SAGINAW WS DS1 Switch Type: DMS100 LATA: Saginaw MI (344) Tandem: SGNWMIFA20T 🔧 Explore Switch(CLLI: SGNWMIWSDS1))
989-791	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	SAGINAW	SGNWMIWSDS1	00/00/0000	Prefix Type: RBOC Switch Name: SAGINAW WS DS1 Switch Type: DMS100 LATA: Saginaw MI (344) Tandem: SGNWMIFA20T 🔧 Explore Switch(CLLI: SGNWMIWSDS1))
989-792	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	SAGINAW	SGNWMIWSDS1	00/00/0000	Prefix Type: RBOC Switch Name: SAGINAW WS DS1 Switch Type: DMS100 LATA: Saginaw MI (344) Tandem: SGNWMIFA20T 🔧 Explore Switch(CLLI: SGNWMIWSDS1))
989-793	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	SAGINAW	SGNWMIWSDS0	00/00/0000	Prefix Type: RBOC Switch Name: SAGINAW WS DS0 Switch Type: 5ESS LATA: Saginaw MI (344) Tandem: SGNWMIFA20T 🔧 Explore Switch(CLLI: SGNWMIWSDS0))
989-797	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	SAGINAW	SGNWMIWSDS0	00/00/0000	Prefix Type: RBOC Switch Name: SAGINAW WS DS0 Switch Type: 5ESS LATA: Saginaw MI (344) Tandem: SGNWMIFA20T 🔧 Explore Switch(CLLI: SGNWMIWSDS0))
989-799	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	SAGINAW	SGNWMIWSDS0	00/00/0000	Prefix Type: RBOC Switch Name: SAGINAW WS DS0 Switch Type: 5ESS LATA: Saginaw MI (344) Tandem: SGNWMIFA20T 🔧 Explore Switch(CLLI: SGNWMIWSDS0))
989-802	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	CLARE	CLARMICLRSA	00/00/0000	Prefix Type: RBOC Switch Name: CLARE Switch Type: N/A LATA: Saginaw MI (344) Tandem: SGNWMIFA20T 🔧 Explore Switch(CLLI: CLARMICLRSA))
989-802 is split into 1,000-number blocks - detail below
989-802-0XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	CLARE	CLARMICLRSA	N/A	Prefix Type: RBOC Switch Name: CLARE Switch Type: N/A LATA: Saginaw MI (344) Tandem: SGNWMIFA20T 🔧 Explore Switch(CLLI: CLARMICLRSA))
989-802-5XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	CLARE	CLARMICLRSA	N/A	Prefix Type: RBOC Switch Name: CLARE Switch Type: N/A LATA: Saginaw MI (344) Tandem: SGNWMIFA20T 🔧 Explore Switch(CLLI: CLARMICLRSA))
989-802-8XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	CLARE	CLARMICLRSA	N/A	Prefix Type: RBOC Switch Name: CLARE Switch Type: N/A LATA: Saginaw MI (344) Tandem: SGNWMIFA20T 🔧 Explore Switch(CLLI: CLARMICLRSA))
989-823	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	VASSAR	VSSRMIMNRSA	00/00/0000	Prefix Type: RBOC Switch Name: VASSAR Switch Type: N/A LATA: Saginaw MI (344) Tandem: SGNWMIFA20T 🔧 Explore Switch(CLLI: VSSRMIMNRSA))
989-823 is split into 1,000-number blocks - detail below
989-823-1XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	VASSAR	VSSRMIMNRSA	N/A	Prefix Type: RBOC Switch Name: VASSAR Switch Type: N/A LATA: Saginaw MI (344) Tandem: SGNWMIFA20T 🔧 Explore Switch(CLLI: VSSRMIMNRSA))
989-823-2XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	VASSAR	VSSRMIMNRSA	N/A	Prefix Type: RBOC Switch Name: VASSAR Switch Type: N/A LATA: Saginaw MI (344) Tandem: SGNWMIFA20T 🔧 Explore Switch(CLLI: VSSRMIMNRSA))
989-823-3XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	VASSAR	VSSRMIMNRSA	N/A	Prefix Type: RBOC Switch Name: VASSAR Switch Type: N/A LATA: Saginaw MI (344) Tandem: SGNWMIFA20T 🔧 Explore Switch(CLLI: VSSRMIMNRSA))
989-823-7XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	VASSAR	VSSRMIMNRSA	N/A	Prefix Type: RBOC Switch Name: VASSAR Switch Type: N/A LATA: Saginaw MI (344) Tandem: SGNWMIFA20T 🔧 Explore Switch(CLLI: VSSRMIMNRSA))
989-823-8XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	VASSAR	VSSRMIMNRSA	N/A	Prefix Type: RBOC Switch Name: VASSAR Switch Type: N/A LATA: Saginaw MI (344) Tandem: SGNWMIFA20T 🔧 Explore Switch(CLLI: VSSRMIMNRSA))
989-823-9XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	VASSAR	VSSRMIMNRSA	N/A	Prefix Type: RBOC Switch Name: VASSAR Switch Type: N/A LATA: Saginaw MI (344) Tandem: SGNWMIFA20T 🔧 Explore Switch(CLLI: VSSRMIMNRSA))
989-830	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	SAGINAW	SGNWMIFADS0	00/00/0000	Prefix Type: RBOC Switch Name: SAGINAW DS0 Switch Type: DMS1/2 LATA: Saginaw MI (344) Tandem: SGNWMIFA20T 🔧 Explore Switch(CLLI: SGNWMIFADS0))
989-832	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	MIDLAND	MDLDMIMNDS0	00/00/0000	Prefix Type: RBOC Switch Name: MIDLAND DS0 Switch Type: DMS100 LATA: Saginaw MI (344) Tandem: SGNWMIFA20T 🔧 Explore Switch(CLLI: MDLDMIMNDS0))
989-835	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	MIDLAND	MDLDMIMNDS0	00/00/0000	Prefix Type: RBOC Switch Name: MIDLAND DS0 Switch Type: DMS100 LATA: Saginaw MI (344) Tandem: SGNWMIFA20T 🔧 Explore Switch(CLLI: MDLDMIMNDS0))
989-837	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	MIDLAND	MDLDMIMNDS0	00/00/0000	Prefix Type: RBOC Switch Name: MIDLAND DS0 Switch Type: DMS100 LATA: Saginaw MI (344) Tandem: SGNWMIFA20T 🔧 Explore Switch(CLLI: MDLDMIMNDS0))
989-839	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	MIDLAND	MDLDMIMNDS0	00/00/0000	Prefix Type: RBOC Switch Name: MIDLAND DS0 Switch Type: DMS100 LATA: Saginaw MI (344) Tandem: SGNWMIFA20T 🔧 Explore Switch(CLLI: MDLDMIMNDS0))
989-843	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	MAYVILLE	MYVLMIMNRSA	00/00/0000	Prefix Type: RBOC Switch Name: MAYVILLE Switch Type: N/A LATA: Saginaw MI (344) Tandem: SGNWMIFA20T 🔧 Explore Switch(CLLI: MYVLMIMNRSA))
989-843 is split into 1,000-number blocks - detail below
989-843-0XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	MAYVILLE	MYVLMIMNRSA	N/A	Prefix Type: RBOC Switch Name: MAYVILLE Switch Type: N/A LATA: Saginaw MI (344) Tandem: SGNWMIFA20T 🔧 Explore Switch(CLLI: MYVLMIMNRSA))
989-843-5XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	MAYVILLE	MYVLMIMNRSA	N/A	Prefix Type: RBOC Switch Name: MAYVILLE Switch Type: N/A LATA: Saginaw MI (344) Tandem: SGNWMIFA20T 🔧 Explore Switch(CLLI: MYVLMIMNRSA))
989-843-6XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	MAYVILLE	MYVLMIMNRSA	N/A	Prefix Type: RBOC Switch Name: MAYVILLE Switch Type: N/A LATA: Saginaw MI (344) Tandem: SGNWMIFA20T 🔧 Explore Switch(CLLI: MYVLMIMNRSA))
989-843-7XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	MAYVILLE	MYVLMIMNRSA	N/A	Prefix Type: RBOC Switch Name: MAYVILLE Switch Type: N/A LATA: Saginaw MI (344) Tandem: SGNWMIFA20T 🔧 Explore Switch(CLLI: MYVLMIMNRSA))
989-846	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	STANDISH	STNDMIMNRSA	00/00/0000	Prefix Type: RBOC Switch Name: STANDISH Switch Type: N/A LATA: Saginaw MI (344) Tandem: SGNWMIFA20T 🔧 Explore Switch(CLLI: STNDMIMNRSA))
989-846 is split into 1,000-number blocks - detail below
989-846-0XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	STANDISH	STNDMIMNRSA	N/A	Prefix Type: RBOC Switch Name: STANDISH Switch Type: N/A LATA: Saginaw MI (344) Tandem: SGNWMIFA20T 🔧 Explore Switch(CLLI: STNDMIMNRSA))
989-846-1XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	STANDISH	STNDMIMNRSA	N/A	Prefix Type: RBOC Switch Name: STANDISH Switch Type: N/A LATA: Saginaw MI (344) Tandem: SGNWMIFA20T 🔧 Explore Switch(CLLI: STNDMIMNRSA))
989-846-2XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	STANDISH	STNDMIMNRSA	N/A	Prefix Type: RBOC Switch Name: STANDISH Switch Type: N/A LATA: Saginaw MI (344) Tandem: SGNWMIFA20T 🔧 Explore Switch(CLLI: STNDMIMNRSA))
989-846-3XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	STANDISH	STNDMIMNRSA	N/A	Prefix Type: RBOC Switch Name: STANDISH Switch Type: N/A LATA: Saginaw MI (344) Tandem: SGNWMIFA20T 🔧 Explore Switch(CLLI: STNDMIMNRSA))
989-846-4XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	STANDISH	STNDMIMNRSA	N/A	Prefix Type: RBOC Switch Name: STANDISH Switch Type: N/A LATA: Saginaw MI (344) Tandem: SGNWMIFA20T 🔧 Explore Switch(CLLI: STNDMIMNRSA))
989-846-5XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	STANDISH	STNDMIMNRSA	N/A	Prefix Type: RBOC Switch Name: STANDISH Switch Type: N/A LATA: Saginaw MI (344) Tandem: SGNWMIFA20T 🔧 Explore Switch(CLLI: STNDMIMNRSA))
989-846-6XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	STANDISH	STNDMIMNRSA	N/A	Prefix Type: RBOC Switch Name: STANDISH Switch Type: N/A LATA: Saginaw MI (344) Tandem: SGNWMIFA20T 🔧 Explore Switch(CLLI: STNDMIMNRSA))
989-846-7XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	STANDISH	STNDMIMNRSA	N/A	Prefix Type: RBOC Switch Name: STANDISH Switch Type: N/A LATA: Saginaw MI (344) Tandem: SGNWMIFA20T 🔧 Explore Switch(CLLI: STNDMIMNRSA))
989-846-9XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	STANDISH	STNDMIMNRSA	N/A	Prefix Type: RBOC Switch Name: STANDISH Switch Type: N/A LATA: Saginaw MI (344) Tandem: SGNWMIFA20T 🔧 Explore Switch(CLLI: STNDMIMNRSA))
989-865	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	ST CHARLES	STCHMIMNRSA	00/00/0000	Prefix Type: RBOC Switch Name: ST CHARLES Switch Type: N/A LATA: Saginaw MI (344) Tandem: SGNWMIFA20T 🔧 Explore Switch(CLLI: STCHMIMNRSA))
989-865 is split into 1,000-number blocks - detail below
989-865-6XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	ST CHARLES	STCHMIMNRSA	N/A	Prefix Type: RBOC Switch Name: ST CHARLES Switch Type: N/A LATA: Saginaw MI (344) Tandem: SGNWMIFA20T 🔧 Explore Switch(CLLI: STCHMIMNRSA))
989-865-8XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	ST CHARLES	STCHMIMNRSA	N/A	Prefix Type: RBOC Switch Name: ST CHARLES Switch Type: N/A LATA: Saginaw MI (344) Tandem: SGNWMIFA20T 🔧 Explore Switch(CLLI: STCHMIMNRSA))
989-865-9XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	ST CHARLES	STCHMIMNRSA	N/A	Prefix Type: RBOC Switch Name: ST CHARLES Switch Type: N/A LATA: Saginaw MI (344) Tandem: SGNWMIFA20T 🔧 Explore Switch(CLLI: STCHMIMNRSA))
989-868	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	REESE	REESMIMNRSA	00/00/0000	Prefix Type: RBOC Switch Name: REESE Switch Type: N/A LATA: Saginaw MI (344) Tandem: SGNWMIFA20T 🔧 Explore Switch(CLLI: REESMIMNRSA))
989-868 is split into 1,000-number blocks - detail below
989-868-3XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	REESE	REESMIMNRSA	N/A	Prefix Type: RBOC Switch Name: REESE Switch Type: N/A LATA: Saginaw MI (344) Tandem: SGNWMIFA20T 🔧 Explore Switch(CLLI: REESMIMNRSA))
989-868-4XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	REESE	REESMIMNRSA	N/A	Prefix Type: RBOC Switch Name: REESE Switch Type: N/A LATA: Saginaw MI (344) Tandem: SGNWMIFA20T 🔧 Explore Switch(CLLI: REESMIMNRSA))
989-868-9XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	REESE	REESMIMNRSA	N/A	Prefix Type: RBOC Switch Name: REESE Switch Type: N/A LATA: Saginaw MI (344) Tandem: SGNWMIFA20T 🔧 Explore Switch(CLLI: REESMIMNRSA))
989-870	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	SAGINAW	SGNWMIFADS0	00/00/0000	Prefix Type: RBOC Switch Name: SAGINAW DS0 Switch Type: DMS1/2 LATA: Saginaw MI (344) Tandem: SGNWMIFA20T 🔧 Explore Switch(CLLI: SGNWMIFADS0))
989-883	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	SEBEWAING	SBWNMISBDS0	00/00/0000	Prefix Type: RBOC Switch Name: SEBEWAING Switch Type: DMS10 LATA: Saginaw MI (344) Tandem: SGNWMIFA20T 🔧 Explore Switch(CLLI: SBWNMISBDS0))
989-883 is split into 1,000-number blocks - detail below
989-883-0XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	SEBEWAING	SBWNMISBDS0	N/A	Prefix Type: RBOC Switch Name: SEBEWAING Switch Type: DMS10 LATA: Saginaw MI (344) Tandem: SGNWMIFA20T 🔧 Explore Switch(CLLI: SBWNMISBDS0))
989-883-2XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	SEBEWAING	SBWNMISBDS0	N/A	Prefix Type: RBOC Switch Name: SEBEWAING Switch Type: DMS10 LATA: Saginaw MI (344) Tandem: SGNWMIFA20T 🔧 Explore Switch(CLLI: SBWNMISBDS0))
989-883-3XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	SEBEWAING	SBWNMISBDS0	N/A	Prefix Type: RBOC Switch Name: SEBEWAING Switch Type: DMS10 LATA: Saginaw MI (344) Tandem: SGNWMIFA20T 🔧 Explore Switch(CLLI: SBWNMISBDS0))
989-883-9XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	SEBEWAING	SBWNMISBDS0	N/A	Prefix Type: RBOC Switch Name: SEBEWAING Switch Type: DMS10 LATA: Saginaw MI (344) Tandem: SGNWMIFA20T 🔧 Explore Switch(CLLI: SBWNMISBDS0))
989-890	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	SAGINAW	SGNWMIFADS0	00/00/0000	Prefix Type: RBOC Switch Name: SAGINAW DS0 Switch Type: DMS1/2 LATA: Saginaw MI (344) Tandem: SGNWMIFA20T 🔧 Explore Switch(CLLI: SGNWMIFADS0))
989-890 is split into 1,000-number blocks - detail below
989-890-9XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	SAGINAW	SGNWMIFADS0	N/A	Prefix Type: RBOC Switch Name: SAGINAW DS0 Switch Type: DMS1/2 LATA: Saginaw MI (344) Tandem: SGNWMIFA20T 🔧 Explore Switch(CLLI: SGNWMIFADS0))
989-891	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	BAY CITY	BYCYMIMNDS0	00/00/0000	Prefix Type: RBOC Switch Name: BAY CITY DS0 Switch Type: EWSD LATA: Saginaw MI (344) Tandem: SGNWMIFA20T 🔧 Explore Switch(CLLI: BYCYMIMNDS0))
989-891 is split into 1,000-number blocks - detail below
989-891-0XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	BAY CITY	BYCYMIMNDS0	N/A	Prefix Type: RBOC Switch Name: BAY CITY DS0 Switch Type: EWSD LATA: Saginaw MI (344) Tandem: SGNWMIFA20T 🔧 Explore Switch(CLLI: BYCYMIMNDS0))
989-891-1XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	BAY CITY	BYCYMIMNDS0	N/A	Prefix Type: RBOC Switch Name: BAY CITY DS0 Switch Type: EWSD LATA: Saginaw MI (344) Tandem: SGNWMIFA20T 🔧 Explore Switch(CLLI: BYCYMIMNDS0))
989-891-2XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	BAY CITY	BYCYMIMNDS0	N/A	Prefix Type: RBOC Switch Name: BAY CITY DS0 Switch Type: EWSD LATA: Saginaw MI (344) Tandem: SGNWMIFA20T 🔧 Explore Switch(CLLI: BYCYMIMNDS0))
989-891-3XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	BAY CITY	BYCYMIMNDS0	N/A	Prefix Type: RBOC Switch Name: BAY CITY DS0 Switch Type: EWSD LATA: Saginaw MI (344) Tandem: SGNWMIFA20T 🔧 Explore Switch(CLLI: BYCYMIMNDS0))
989-891-4XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	BAY CITY	BYCYMIMNDS0	N/A	Prefix Type: RBOC Switch Name: BAY CITY DS0 Switch Type: EWSD LATA: Saginaw MI (344) Tandem: SGNWMIFA20T 🔧 Explore Switch(CLLI: BYCYMIMNDS0))
989-891-5XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	BAY CITY	BYCYMIMNDS0	N/A	Prefix Type: RBOC Switch Name: BAY CITY DS0 Switch Type: EWSD LATA: Saginaw MI (344) Tandem: SGNWMIFA20T 🔧 Explore Switch(CLLI: BYCYMIMNDS0))
989-891-8XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	BAY CITY	BYCYMIMNDS0	N/A	Prefix Type: RBOC Switch Name: BAY CITY DS0 Switch Type: EWSD LATA: Saginaw MI (344) Tandem: SGNWMIFA20T 🔧 Explore Switch(CLLI: BYCYMIMNDS0))
989-891-9XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	BAY CITY	BYCYMIMNDS0	N/A	Prefix Type: RBOC Switch Name: BAY CITY DS0 Switch Type: EWSD LATA: Saginaw MI (344) Tandem: SGNWMIFA20T 🔧 Explore Switch(CLLI: BYCYMIMNDS0))
989-892	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	BAY CITY	BYCYMIMNDS0	00/00/0000	Prefix Type: RBOC Switch Name: BAY CITY DS0 Switch Type: EWSD LATA: Saginaw MI (344) Tandem: SGNWMIFA20T 🔧 Explore Switch(CLLI: BYCYMIMNDS0))
989-893	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	BAY CITY	BYCYMIMNDS0	00/00/0000	Prefix Type: RBOC Switch Name: BAY CITY DS0 Switch Type: EWSD LATA: Saginaw MI (344) Tandem: SGNWMIFA20T 🔧 Explore Switch(CLLI: BYCYMIMNDS0))
989-894	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	BAY CITY	BYCYMIMNDS0	00/00/0000	Prefix Type: RBOC Switch Name: BAY CITY DS0 Switch Type: EWSD LATA: Saginaw MI (344) Tandem: SGNWMIFA20T 🔧 Explore Switch(CLLI: BYCYMIMNDS0))
989-895	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	BAY CITY	BYCYMIMNDS0	00/00/0000	Prefix Type: RBOC Switch Name: BAY CITY DS0 Switch Type: EWSD LATA: Saginaw MI (344) Tandem: SGNWMIFA20T 🔧 Explore Switch(CLLI: BYCYMIMNDS0))
989-907	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	SAGINAW	SGNWMIFADS0	00/00/0000	Prefix Type: RBOC Switch Name: SAGINAW DS0 Switch Type: DMS1/2 LATA: Saginaw MI (344) Tandem: SGNWMIFA20T 🔧 Explore Switch(CLLI: SGNWMIFADS0))
989-907 is split into 1,000-number blocks - detail below
989-907-0XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	SAGINAW	SGNWMIFADS0	N/A	Prefix Type: RBOC Switch Name: SAGINAW DS0 Switch Type: DMS1/2 LATA: Saginaw MI (344) Tandem: SGNWMIFA20T 🔧 Explore Switch(CLLI: SGNWMIFADS0))
989-907-2XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	SAGINAW	SGNWMIFADS0	N/A	Prefix Type: RBOC Switch Name: SAGINAW DS0 Switch Type: DMS1/2 LATA: Saginaw MI (344) Tandem: SGNWMIFA20T 🔧 Explore Switch(CLLI: SGNWMIFADS0))
989-907-3XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	SAGINAW	SGNWMIFADS0	N/A	Prefix Type: RBOC Switch Name: SAGINAW DS0 Switch Type: DMS1/2 LATA: Saginaw MI (344) Tandem: SGNWMIFA20T 🔧 Explore Switch(CLLI: SGNWMIFADS0))
989-907-4XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	SAGINAW	SGNWMIFADS0	N/A	Prefix Type: RBOC Switch Name: SAGINAW DS0 Switch Type: DMS1/2 LATA: Saginaw MI (344) Tandem: SGNWMIFA20T 🔧 Explore Switch(CLLI: SGNWMIFADS0))
989-907-5XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	SAGINAW	SGNWMIFADS0	N/A	Prefix Type: RBOC Switch Name: SAGINAW DS0 Switch Type: DMS1/2 LATA: Saginaw MI (344) Tandem: SGNWMIFA20T 🔧 Explore Switch(CLLI: SGNWMIFADS0))
989-907-6XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	SAGINAW	SGNWMIFADS0	N/A	Prefix Type: RBOC Switch Name: SAGINAW DS0 Switch Type: DMS1/2 LATA: Saginaw MI (344) Tandem: SGNWMIFA20T 🔧 Explore Switch(CLLI: SGNWMIFADS0))
989-907-7XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	SAGINAW	SGNWMIFADS0	N/A	Prefix Type: RBOC Switch Name: SAGINAW DS0 Switch Type: DMS1/2 LATA: Saginaw MI (344) Tandem: SGNWMIFA20T 🔧 Explore Switch(CLLI: SGNWMIFADS0))
989-907-8XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	SAGINAW	SGNWMIFADS0	N/A	Prefix Type: RBOC Switch Name: SAGINAW DS0 Switch Type: DMS1/2 LATA: Saginaw MI (344) Tandem: SGNWMIFA20T 🔧 Explore Switch(CLLI: SGNWMIFADS0))
989-918	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	UNIONVILLE	UNVLMIMNRS0	11/28/2001	Prefix Type: RBOC Switch Name: UNIONVILLE Switch Type: N/A LATA: Saginaw MI (344) Tandem: SGNWMIFA20T 🔧 Explore Switch(CLLI: UNVLMIMNRS0))
989-918 is split into 1,000-number blocks - detail below
989-918-0XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	UNIONVILLE	UNVLMIMNRS0	N/A	Prefix Type: RBOC Switch Name: UNIONVILLE Switch Type: N/A LATA: Saginaw MI (344) Tandem: SGNWMIFA20T 🔧 Explore Switch(CLLI: UNVLMIMNRS0))
989-964	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	SAGINAW	SGNWMIWSDS1	08/28/2001	Prefix Type: RBOC Switch Name: SAGINAW WS DS1 Switch Type: DMS100 LATA: Saginaw MI (344) Tandem: SGNWMIFA20T 🔧 Explore Switch(CLLI: SGNWMIWSDS1))
989-964 is split into 1,000-number blocks - detail below
989-964-0XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	SAGINAW	SGNWMIWSDS1	N/A	Prefix Type: RBOC Switch Name: SAGINAW WS DS1 Switch Type: DMS100 LATA: Saginaw MI (344) Tandem: SGNWMIFA20T 🔧 Explore Switch(CLLI: SGNWMIWSDS1))
989-964-2XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	SAGINAW	SGNWMIWSDS1	N/A	Prefix Type: RBOC Switch Name: SAGINAW WS DS1 Switch Type: DMS100 LATA: Saginaw MI (344) Tandem: SGNWMIFA20T 🔧 Explore Switch(CLLI: SGNWMIWSDS1))
989-964-4XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	SAGINAW	SGNWMIWSDS1	N/A	Prefix Type: RBOC Switch Name: SAGINAW WS DS1 Switch Type: DMS100 LATA: Saginaw MI (344) Tandem: SGNWMIFA20T 🔧 Explore Switch(CLLI: SGNWMIWSDS1))
989-964-5XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	SAGINAW	SGNWMIWSDS1	N/A	Prefix Type: RBOC Switch Name: SAGINAW WS DS1 Switch Type: DMS100 LATA: Saginaw MI (344) Tandem: SGNWMIFA20T 🔧 Explore Switch(CLLI: SGNWMIWSDS1))
989-964-6XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	SAGINAW	SGNWMIWSDS1	N/A	Prefix Type: RBOC Switch Name: SAGINAW WS DS1 Switch Type: DMS100 LATA: Saginaw MI (344) Tandem: SGNWMIFA20T 🔧 Explore Switch(CLLI: SGNWMIWSDS1))
989-964-7XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	SAGINAW	SGNWMIWSDS1	N/A	Prefix Type: RBOC Switch Name: SAGINAW WS DS1 Switch Type: DMS100 LATA: Saginaw MI (344) Tandem: SGNWMIFA20T 🔧 Explore Switch(CLLI: SGNWMIWSDS1))
989-984	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	EAST TAWAS	ETWSMIMNRSA	00/00/0000	Prefix Type: RBOC Switch Name: EAST TAWAS Switch Type: N/A LATA: Saginaw MI (344) Tandem: SGNWMIFA20T 🔧 Explore Switch(CLLI: ETWSMIMNRSA))
989-984 is split into 1,000-number blocks - detail below
989-984-0XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	EAST TAWAS	ETWSMIMNRSA	N/A	Prefix Type: RBOC Switch Name: EAST TAWAS Switch Type: N/A LATA: Saginaw MI (344) Tandem: SGNWMIFA20T 🔧 Explore Switch(CLLI: ETWSMIMNRSA))
989-984-1XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	EAST TAWAS	ETWSMIMNRSA	N/A	Prefix Type: RBOC Switch Name: EAST TAWAS Switch Type: N/A LATA: Saginaw MI (344) Tandem: SGNWMIFA20T 🔧 Explore Switch(CLLI: ETWSMIMNRSA))
989-984-2XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	EAST TAWAS	ETWSMIMNRSA	N/A	Prefix Type: RBOC Switch Name: EAST TAWAS Switch Type: N/A LATA: Saginaw MI (344) Tandem: SGNWMIFA20T 🔧 Explore Switch(CLLI: ETWSMIMNRSA))
989-984-3XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	EAST TAWAS	ETWSMIMNRSA	N/A	Prefix Type: RBOC Switch Name: EAST TAWAS Switch Type: N/A LATA: Saginaw MI (344) Tandem: SGNWMIFA20T 🔧 Explore Switch(CLLI: ETWSMIMNRSA))