TelcoData.US: Search by Area Code / Exchange

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npa-nxx	State/Province	Company	FRN	RMD	OCN	Rate Center	CLLI	Assign Date	Misc
224-678	IL	LEVEL 3 COMMUNICATIONS, LLC - IL (Lumen Technologies, Inc)	0015338122	RMD0006112	6115	ALGONQUIN	CHCGILGMDS7	06/19/2006	Prefix Type: CLEC Switch Name: CHICAGO Switch Type: N/A LATA: Chicago IL METRO (358) Tandem: N/A 🔧 Explore Switch(CLLI: CHCGILGMDS7))
224-678 is split into 1,000-number blocks - detail below
224-678-0XXX	IL	MCIMETRO ACCESS TRANSMISSION SERVICES LLC - IL (Verizon Communications)	0004999405	RMD0002957	7196	ALGONQUIN	EGVGILIFDS0	10/25/2007	Prefix Type: CLEC Switch Name: ELK GROVE Switch Type: Northern Telecom DMS100 (Digital) Host LATA: Chicago IL METRO (358) Tandem: N/A 🔧 Explore Switch(CLLI: EGVGILIFDS0))
224-678-1XXX	IL	T-MOBILE USA, INC. (T-Mobile US, Inc)	0017078262	RMD0019051	6529	ALGONQUIN	CHCGILMFCM8	04/24/2008	Prefix Type: PCS Switch Name: N/A Switch Type: N/A LATA: Chicago IL METRO (358) Tandem: N/A 🔧 Explore Switch(CLLI: CHCGILMFCM8))
224-678-2XXX	IL	T-MOBILE USA, INC. (T-Mobile US, Inc)	0017078262	RMD0019051	6529	ALGONQUIN	CHCGILMFCM8	08/15/2006	Prefix Type: PCS Switch Name: N/A Switch Type: N/A LATA: Chicago IL METRO (358) Tandem: N/A 🔧 Explore Switch(CLLI: CHCGILMFCM8))
224-678-3XXX	IL	T-MOBILE USA, INC. (T-Mobile US, Inc)	0017078262	RMD0019051	6529	ALGONQUIN	CHCGILMFCM8	08/15/2006	Prefix Type: PCS Switch Name: N/A Switch Type: N/A LATA: Chicago IL METRO (358) Tandem: N/A 🔧 Explore Switch(CLLI: CHCGILMFCM8))
224-678-4XXX	IL	NEW CINGULAR WIRELESS PCS, LLC - IL (AT&T Wireless)	0003291192	RMD0036909	6534	ALGONQUIN	SCBGILRRGT1	02/28/2008	Prefix Type: WIRELESS Switch Name: N/A Switch Type: N/A LATA: Chicago IL METRO (358) Tandem: N/A 🔧 Explore Switch(CLLI: SCBGILRRGT1))
224-678-5XXX	IL	NEW CINGULAR WIRELESS PCS, LLC - IL (AT&T Wireless)	0003291192	RMD0036909	6534	ALGONQUIN	SCBGILRRGT1	09/14/2007	Prefix Type: WIRELESS Switch Name: N/A Switch Type: N/A LATA: Chicago IL METRO (358) Tandem: N/A 🔧 Explore Switch(CLLI: SCBGILRRGT1))
224-678-6XXX	IL	NEW CINGULAR WIRELESS PCS, LLC - IL (AT&T Wireless)	0003291192	RMD0036909	6534	ALGONQUIN	SCBGILRRGT1	09/14/2007	Prefix Type: WIRELESS Switch Name: N/A Switch Type: N/A LATA: Chicago IL METRO (358) Tandem: N/A 🔧 Explore Switch(CLLI: SCBGILRRGT1))
224-678-7XXX	IL	AT&T ENTERPRISES, LLC (AT&T)	0035146430	RMD0022433	516C	ALGONQUIN	NOCLLIKNOWN	11/01/2006	Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Chicago IL METRO (358) Tandem: N/A 🔧 Explore Switch(CLLI: NOCLLIKNOWN))
224-678-8XXX	IL	T-MOBILE USA, INC. (T-Mobile US, Inc)	0017078262	RMD0019051	6529	ALGONQUIN	CHCGILMFCM8	05/15/2007	Prefix Type: PCS Switch Name: N/A Switch Type: N/A LATA: Chicago IL METRO (358) Tandem: N/A 🔧 Explore Switch(CLLI: CHCGILMFCM8))
224-678-9XXX	IL	COMCAST IP PHONE, LLC (Comcast)	0008497687	RMD0003552	318J	ALGONQUIN	CHCGILNEXJX	03/15/2007	Prefix Type: IPES Switch Name: N/A Switch Type: N/A LATA: Chicago IL METRO (358) Tandem: N/A 🔧 Explore Switch(CLLI: CHCGILNEXJX))