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npa-nxx	State/Province	Company	FRN	RMD	OCN	Rate Center	CLLI	Assign Date	Misc
510-565	CA	T-MOBILE USA, INC. (T-Mobile US, Inc)	0017078262	RMD0019051	6529	FRNK MAIN	CNCRCALZ0MD	00/00/0000	Prefix Type: PCS Switch Name: CONCORD Switch Type: N/A LATA: San Francisco CA (722) Tandem: N/A 🔧 Explore Switch(CLLI: CNCRCALZ0MD))
510-565 is split into 1,000-number blocks - detail below
510-565-0XXX	CA	CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA (Verizon Wireless)	0029611852	RMD0003439	6006	FRNK MAIN	HYWRCAMCDMD	12/14/2006	Prefix Type: WIRELESS Switch Name: N/A Switch Type: N/A LATA: San Francisco CA (722) Tandem: N/A 🔧 Explore Switch(CLLI: HYWRCAMCDMD))
510-565-1XXX	CA	AT&T ENTERPRISES, LLC (AT&T)	0035146430	RMD0022433	516C	FRNK MAIN	NOCLLIKNOWN	08/09/2007	Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: San Francisco CA (722) Tandem: N/A 🔧 Explore Switch(CLLI: NOCLLIKNOWN))
510-565-2XXX	CA	T-MOBILE USA, INC. (T-Mobile US, Inc)	0017078262	RMD0019051	6529	FRNK MAIN	CNCRCALZ0MD	11/16/2004	Prefix Type: PCS Switch Name: CONCORD Switch Type: N/A LATA: San Francisco CA (722) Tandem: N/A 🔧 Explore Switch(CLLI: CNCRCALZ0MD))
510-565-3XXX	CA	T-MOBILE USA, INC. (T-Mobile US, Inc)	0017078262	RMD0019051	6529	FRNK MAIN	CNCRCALZ0MD	03/08/2005	Prefix Type: PCS Switch Name: CONCORD Switch Type: N/A LATA: San Francisco CA (722) Tandem: N/A 🔧 Explore Switch(CLLI: CNCRCALZ0MD))
510-565-4XXX	CA	T-MOBILE USA, INC. (T-Mobile US, Inc)	0017078262	RMD0019051	6529	FRNK MAIN	CNCRCALZ0MD	10/20/2003	Prefix Type: PCS Switch Name: CONCORD Switch Type: N/A LATA: San Francisco CA (722) Tandem: N/A 🔧 Explore Switch(CLLI: CNCRCALZ0MD))
510-565-5XXX	CA	T-MOBILE USA, INC. (T-Mobile US, Inc)	0017078262	RMD0019051	6529	FRNK MAIN	CNCRCALZ0MD	05/27/2004	Prefix Type: PCS Switch Name: CONCORD Switch Type: N/A LATA: San Francisco CA (722) Tandem: N/A 🔧 Explore Switch(CLLI: CNCRCALZ0MD))
510-565-6XXX	CA	T-MOBILE USA, INC. (T-Mobile US, Inc)	0017078262	RMD0019051	6529	FRNK MAIN	CNCRCALZ0MD	10/20/2003	Prefix Type: PCS Switch Name: CONCORD Switch Type: N/A LATA: San Francisco CA (722) Tandem: N/A 🔧 Explore Switch(CLLI: CNCRCALZ0MD))
510-565-7XXX	CA	LEVEL 3 COMMUNICATIONS, LLC - CA (Lumen Technologies, Inc)	0015338122	RMD0006112	8826	FRNK MAIN	NOCLLIKNOWN	08/21/2004	Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: San Francisco CA (722) Tandem: N/A 🔧 Explore Switch(CLLI: NOCLLIKNOWN))
510-565-8XXX	CA	T-MOBILE USA, INC. (T-Mobile US, Inc)	0017078262	RMD0019051	6529	FRNK MAIN	CNCRCALZ0MD	02/17/2005	Prefix Type: PCS Switch Name: CONCORD Switch Type: N/A LATA: San Francisco CA (722) Tandem: N/A 🔧 Explore Switch(CLLI: CNCRCALZ0MD))
510-565-9XXX	CA	METROPCS, INC. (T-Mobile US, Inc)		N/A	5562	FRNK MAIN	OKLECAZVGT0	02/18/2005	Prefix Type: PCS Switch Name: N/A Switch Type: N/A LATA: San Francisco CA (722) Tandem: N/A 🔧 Explore Switch(CLLI: OKLECAZVGT0))