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
650-384	CA	TELEPORT COMMUNICATIONS AMERICA, LLC - CA (AT&T)	0004274114	RMD0003897	7145	PALO ALTO	SNJSCA02DS4	00/00/0000	Prefix Type: CLEC Switch Name: SAN JOSE Switch Type: N/A LATA: San Francisco CA (722) Tandem: N/A 🔧 Explore Switch(CLLI: SNJSCA02DS4))
650-384 is split into 1,000-number blocks - detail below
650-384-0XXX	CA	LEVEL 3 COMMUNICATIONS, LLC - CA (Lumen Technologies, Inc)	0015338122	RMD0006112	8826	PALO ALTO	NOCLLIKNOWN	09/16/2004	Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: San Francisco CA (722) Tandem: N/A 🔧 Explore Switch(CLLI: NOCLLIKNOWN))
650-384-1XXX	CA	T-MOBILE USA, INC. (T-Mobile US, Inc)	0017078262	RMD0019051	6529	PALO ALTO	OKLECAZVGT0	01/10/2008	Prefix Type: PCS Switch Name: N/A Switch Type: N/A LATA: San Francisco CA (722) Tandem: N/A 🔧 Explore Switch(CLLI: OKLECAZVGT0))
650-384-2XXX	CA	LEVEL 3 TELECOM OF CALIFORNIA, LP - CA (Lumen Technologies, Inc)	0004351110	RMD0006062	7718	PALO ALTO	NOCLLIKNOWN	04/20/2011	Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: San Francisco CA (722) Tandem: N/A 🔧 Explore Switch(CLLI: NOCLLIKNOWN))
650-384-3XXX	CA	T-MOBILE USA, INC. (T-Mobile US, Inc)	0017078262	RMD0019051	6529	PALO ALTO	OKLECAZVGT0	01/10/2008	Prefix Type: PCS Switch Name: N/A Switch Type: N/A LATA: San Francisco CA (722) Tandem: N/A 🔧 Explore Switch(CLLI: OKLECAZVGT0))
650-384-4XXX	CA	TELEPORT COMMUNICATIONS AMERICA, LLC - CA (AT&T)	0004274114	RMD0003897	7145	PALO ALTO	SNJSCA02DS4	N/A	Prefix Type: CLEC Switch Name: SAN JOSE Switch Type: N/A LATA: San Francisco CA (722) Tandem: N/A 🔧 Explore Switch(CLLI: SNJSCA02DS4))
650-384-5XXX	CA	NEW CINGULAR WIRELESS PCS, LLC (AT&T Wireless)	0003291192	RMD0036909	6010	PALO ALTO	SNTDCAUJCM9	12/17/2003	Prefix Type: WIRELESS Switch Name: N/A Switch Type: N/A LATA: San Francisco CA (722) Tandem: N/A 🔧 Explore Switch(CLLI: SNTDCAUJCM9))
650-384-6XXX	CA	AT&T ENTERPRISES, LLC (AT&T)	0035146430	RMD0022433	516C	PALO ALTO	NOCLLIKNOWN	06/09/2006	Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: San Francisco CA (722) Tandem: N/A 🔧 Explore Switch(CLLI: NOCLLIKNOWN))
650-384-7XXX	CA	CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA (Verizon Wireless)	0029611852	RMD0003439	6006	PALO ALTO	HYWRCAMCDMD	10/07/2019	Prefix Type: WIRELESS Switch Name: N/A Switch Type: N/A LATA: San Francisco CA (722) Tandem: N/A 🔧 Explore Switch(CLLI: HYWRCAMCDMD))
650-384-8XXX	CA	MCIMETRO ACCESS TRANSMISSION SERVICES LLC	0004999405	RMD0002957	7229	PALO ALTO	FRMTCAEDDS0	01/17/2002	Prefix Type: CLEC Switch Name: FREMONT Switch Type: NORTEL DMS 500 LATA: San Francisco CA (722) Tandem: N/A 🔧 Explore Switch(CLLI: FRMTCAEDDS0))
650-384-9XXX	CA	NEW CINGULAR WIRELESS PCS, LLC (AT&T Wireless)	0003291192	RMD0036909	6010	PALO ALTO	SNTDCAUJCM9	11/07/2008	Prefix Type: WIRELESS Switch Name: N/A Switch Type: N/A LATA: San Francisco CA (722) Tandem: N/A 🔧 Explore Switch(CLLI: SNTDCAUJCM9))