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
650-307	CA	T-MOBILE USA, INC. (T-Mobile US, Inc)	0017078262	RMD0019051	6529	MILLBRAE	CNCRCALZ0MD	12/27/2001	Prefix Type: PCS Switch Name: CONCORD Switch Type: N/A LATA: San Francisco CA (722) Tandem: N/A 🔧 Explore Switch(CLLI: CNCRCALZ0MD))
650-307 is split into 1,000-number blocks - detail below
650-307-0XXX	CA	T-MOBILE USA, INC. (T-Mobile US, Inc)	0017078262	RMD0019051	6529	MILLBRAE	CNCRCALZ0MD	N/A	Prefix Type: PCS Switch Name: CONCORD Switch Type: N/A LATA: San Francisco CA (722) Tandem: N/A 🔧 Explore Switch(CLLI: CNCRCALZ0MD))
650-307-1XXX	CA	T-MOBILE USA, INC. (T-Mobile US, Inc)	0017078262	RMD0019051	6529	MILLBRAE	CNCRCALZ0MD	09/10/2021	Prefix Type: PCS Switch Name: CONCORD Switch Type: N/A LATA: San Francisco CA (722) Tandem: N/A 🔧 Explore Switch(CLLI: CNCRCALZ0MD))
650-307-2XXX	CA	T-MOBILE USA, INC. (T-Mobile US, Inc)	0017078262	RMD0019051	6529	MILLBRAE	CNCRCALZ0MD	N/A	Prefix Type: PCS Switch Name: CONCORD Switch Type: N/A LATA: San Francisco CA (722) Tandem: N/A 🔧 Explore Switch(CLLI: CNCRCALZ0MD))
650-307-3XXX	CA	T-MOBILE USA, INC. (T-Mobile US, Inc)	0017078262	RMD0019051	6529	MILLBRAE	CNCRCALZ0MD	N/A	Prefix Type: PCS Switch Name: CONCORD Switch Type: N/A LATA: San Francisco CA (722) Tandem: N/A 🔧 Explore Switch(CLLI: CNCRCALZ0MD))
650-307-4XXX	CA	T-MOBILE USA, INC. (T-Mobile US, Inc)	0017078262	RMD0019051	6529	MILLBRAE	CNCRCALZ0MD	N/A	Prefix Type: PCS Switch Name: CONCORD Switch Type: N/A LATA: San Francisco CA (722) Tandem: N/A 🔧 Explore Switch(CLLI: CNCRCALZ0MD))
650-307-5XXX	CA	BANDWIDTH.COM CLEC, LLC - CA	0017042060	RMD0003709	981E	MILLBRAE	NOCLLIKNOWN	03/02/2011	Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: San Francisco CA (722) Tandem: N/A 🔧 Explore Switch(CLLI: NOCLLIKNOWN))
650-307-6XXX	CA	BANDWIDTH.COM CLEC, LLC - CA	0017042060	RMD0003709	981E	MILLBRAE	NOCLLIKNOWN	03/02/2011	Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: San Francisco CA (722) Tandem: N/A 🔧 Explore Switch(CLLI: NOCLLIKNOWN))
650-307-7XXX	CA	T-MOBILE USA, INC. (T-Mobile US, Inc)	0017078262	RMD0019051	6529	MILLBRAE	CNCRCALZ0MD	N/A	Prefix Type: PCS Switch Name: CONCORD Switch Type: N/A LATA: San Francisco CA (722) Tandem: N/A 🔧 Explore Switch(CLLI: CNCRCALZ0MD))
650-307-8XXX	CA	T-MOBILE USA, INC. (T-Mobile US, Inc)	0017078262	RMD0019051	6529	MILLBRAE	CNCRCALZ0MD	N/A	Prefix Type: PCS Switch Name: CONCORD Switch Type: N/A LATA: San Francisco CA (722) Tandem: N/A 🔧 Explore Switch(CLLI: CNCRCALZ0MD))
650-307-9XXX	CA	T-MOBILE USA, INC. (T-Mobile US, Inc)	0017078262	RMD0019051	6529	MILLBRAE	CNCRCALZ0MD	N/A	Prefix Type: PCS Switch Name: CONCORD Switch Type: N/A LATA: San Francisco CA (722) Tandem: N/A 🔧 Explore Switch(CLLI: CNCRCALZ0MD))