TelcoData.US: Search by Area Code / Exchange

🔎 Tip: Click any Company, OCN, Rate Center, or CLLI to explore related telecom data

npa-nxx	State/Province	Company	FRN	RMD	OCN	Rate Center	CLLI	Assign Date	Misc
410-612	MD	VERIZON MARYLAND, INC. (Verizon Communications)	0002166825	RMD0002941	9212	EDGEWOOD	EDWDMDEGDS0	00/00/0000	Prefix Type: RBOC Switch Name: EDGEWOOD Switch Type: Northern Telecom DMS100 (Digital) Host LATA: Baltimore MD (238) Tandem: N/A 🔧 Explore Switch(CLLI: EDWDMDEGDS0))
410-612 is split into 1,000-number blocks - detail below
410-612-0XXX	MD	VERIZON MARYLAND, INC. (Verizon Communications)	0002166825	RMD0002941	9212	EDGEWOOD	EDWDMDEGDS0	N/A	Prefix Type: RBOC Switch Name: EDGEWOOD Switch Type: Northern Telecom DMS100 (Digital) Host LATA: Baltimore MD (238) Tandem: N/A 🔧 Explore Switch(CLLI: EDWDMDEGDS0))
410-612-1XXX	MD	VERIZON MARYLAND, INC. (Verizon Communications)	0002166825	RMD0002941	9212	EDGEWOOD	EDWDMDEGDS0	N/A	Prefix Type: RBOC Switch Name: EDGEWOOD Switch Type: Northern Telecom DMS100 (Digital) Host LATA: Baltimore MD (238) Tandem: N/A 🔧 Explore Switch(CLLI: EDWDMDEGDS0))
410-612-2XXX	MD	VERIZON MARYLAND, INC. (Verizon Communications)	0002166825	RMD0002941	9212	EDGEWOOD	EDWDMDEGDS0	N/A	Prefix Type: RBOC Switch Name: EDGEWOOD Switch Type: Northern Telecom DMS100 (Digital) Host LATA: Baltimore MD (238) Tandem: N/A 🔧 Explore Switch(CLLI: EDWDMDEGDS0))
410-612-3XXX	MD	ONVOY, LLC - MD (Sinch)	0004323028	RMD0001966	876D	EDGEWOOD	NOCLLIKNOWN	11/25/2016	Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A 🔧 Explore Switch(CLLI: NOCLLIKNOWN))
410-612-4XXX	MD	VERIZON MARYLAND, INC. (Verizon Communications)	0002166825	RMD0002941	9212	EDGEWOOD	EDWDMDEGDS0	N/A	Prefix Type: RBOC Switch Name: EDGEWOOD Switch Type: Northern Telecom DMS100 (Digital) Host LATA: Baltimore MD (238) Tandem: N/A 🔧 Explore Switch(CLLI: EDWDMDEGDS0))
410-612-5XXX	MD	VERIZON MARYLAND, INC. (Verizon Communications)	0002166825	RMD0002941	9212	EDGEWOOD	EDWDMDEGDS0	N/A	Prefix Type: RBOC Switch Name: EDGEWOOD Switch Type: Northern Telecom DMS100 (Digital) Host LATA: Baltimore MD (238) Tandem: N/A 🔧 Explore Switch(CLLI: EDWDMDEGDS0))
410-612-6XXX	MD	VERIZON MARYLAND, INC. (Verizon Communications)	0002166825	RMD0002941	9212	EDGEWOOD	EDWDMDEGDS0	N/A	Prefix Type: RBOC Switch Name: EDGEWOOD Switch Type: Northern Telecom DMS100 (Digital) Host LATA: Baltimore MD (238) Tandem: N/A 🔧 Explore Switch(CLLI: EDWDMDEGDS0))
410-612-7XXX	MD	VERIZON MARYLAND, INC. (Verizon Communications)	0002166825	RMD0002941	9212	EDGEWOOD	EDWDMDEGDS0	N/A	Prefix Type: RBOC Switch Name: EDGEWOOD Switch Type: Northern Telecom DMS100 (Digital) Host LATA: Baltimore MD (238) Tandem: N/A 🔧 Explore Switch(CLLI: EDWDMDEGDS0))
410-612-8XXX	MD	VERIZON MARYLAND, INC. (Verizon Communications)	0002166825	RMD0002941	9212	EDGEWOOD	EDWDMDEGDS0	N/A	Prefix Type: RBOC Switch Name: EDGEWOOD Switch Type: Northern Telecom DMS100 (Digital) Host LATA: Baltimore MD (238) Tandem: N/A 🔧 Explore Switch(CLLI: EDWDMDEGDS0))
410-612-9XXX	MD	VERIZON MARYLAND, INC. (Verizon Communications)	0002166825	RMD0002941	9212	EDGEWOOD	EDWDMDEGDS0	N/A	Prefix Type: RBOC Switch Name: EDGEWOOD Switch Type: Northern Telecom DMS100 (Digital) Host LATA: Baltimore MD (238) Tandem: N/A 🔧 Explore Switch(CLLI: EDWDMDEGDS0))