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
424-528	CA	TELEPORT COMMUNICATIONS AMERICA, LLC - CA (AT&T)	0004274114	RMD0003897	7139	CMTN GRDN	LSANCA03DS7	03/17/2017	Prefix Type: CLEC Switch Name: LOS ANGELES Switch Type: N/A LATA: Los Angeles CA (730) Tandem: N/A 🔧 Explore Switch(CLLI: LSANCA03DS7))
424-528 is split into 1,000-number blocks - detail below
424-528-0XXX	CA	ONVOY, LLC - CA (Sinch)	0004323028	RMD0001966	649C	CMTN GRDN	NOCLLIKNOWN	05/18/2017	Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Los Angeles CA (730) Tandem: N/A 🔧 Explore Switch(CLLI: NOCLLIKNOWN))
424-528-1XXX	CA	TELNYX LLC	0018998724	RMD0001645	073H	CMTN GRDN	NOCLLIKNOWN	05/22/2017	Prefix Type: IPES Switch Name: N/A Switch Type: N/A LATA: Los Angeles CA (730) Tandem: N/A 🔧 Explore Switch(CLLI: NOCLLIKNOWN))
424-528-2XXX	CA	TIME WARNER CBL INFO SVCS (CA) DBA TIME WARNER CAB		N/A	576C	CMTN GRDN	NOCLLIKNOWN	08/09/2017	Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Los Angeles CA (730) Tandem: N/A 🔧 Explore Switch(CLLI: NOCLLIKNOWN))
424-528-3XXX	CA	T-MOBILE USA, INC. (T-Mobile US, Inc)	0017078262	RMD0019051	6529	CMTN GRDN	TRNECAGBGT3	05/14/2018	Prefix Type: PCS Switch Name: N/A Switch Type: N/A LATA: Los Angeles CA (730) Tandem: N/A 🔧 Explore Switch(CLLI: TRNECAGBGT3))
424-528-4XXX	CA	T-MOBILE USA, INC. (T-Mobile US, Inc)	0017078262	RMD0019051	6529	CMTN GRDN	TRNECAGBGT3	05/14/2018	Prefix Type: PCS Switch Name: N/A Switch Type: N/A LATA: Los Angeles CA (730) Tandem: N/A 🔧 Explore Switch(CLLI: TRNECAGBGT3))
424-528-5XXX	CA	T-MOBILE USA, INC. (T-Mobile US, Inc)	0017078262	RMD0019051	6529	CMTN GRDN	TRNECAGBGT3	05/14/2018	Prefix Type: PCS Switch Name: N/A Switch Type: N/A LATA: Los Angeles CA (730) Tandem: N/A 🔧 Explore Switch(CLLI: TRNECAGBGT3))
424-528-6XXX	CA	TELEPORT COMMUNICATIONS AMERICA, LLC - CA (AT&T)	0004274114	RMD0003897	7139	CMTN GRDN	LSANCA03DS7	03/20/2017	Prefix Type: CLEC Switch Name: LOS ANGELES Switch Type: N/A LATA: Los Angeles CA (730) Tandem: N/A 🔧 Explore Switch(CLLI: LSANCA03DS7))
424-528-7XXX	CA	T-MOBILE USA, INC. (T-Mobile US, Inc)	0017078262	RMD0019051	6529	CMTN GRDN	TRNECAGBGT3	05/14/2018	Prefix Type: PCS Switch Name: N/A Switch Type: N/A LATA: Los Angeles CA (730) Tandem: N/A 🔧 Explore Switch(CLLI: TRNECAGBGT3))
424-528-8XXX	CA	ONVOY SPECTRUM, LLC (Sinch)	0024415002	RMD0002045	624H	CMTN GRDN	NOCLLIKNOWN	05/05/2022	Prefix Type: WIRELESS Switch Name: N/A Switch Type: N/A LATA: Los Angeles CA (730) Tandem: N/A 🔧 Explore Switch(CLLI: NOCLLIKNOWN))
424-528-9XXX	CA	T-MOBILE USA, INC. (T-Mobile US, Inc)	0017078262	RMD0019051	6529	CMTN GRDN	TRNECAGBGT3	05/14/2018	Prefix Type: PCS Switch Name: N/A Switch Type: N/A LATA: Los Angeles CA (730) Tandem: N/A 🔧 Explore Switch(CLLI: TRNECAGBGT3))