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
509-304	WA	T-MOBILE USA, INC. (T-Mobile US, Inc)	0017078262	RMD0019051	6529	CLE ELUM	YAKMWA020MD	00/00/0000	Prefix Type: PCS Switch Name: YAKIMA Switch Type: N/A LATA: N/A Tandem: N/A 🔧 Explore Switch(CLLI: YAKMWA020MD))
509-304 is split into 1,000-number blocks - detail below
509-304-2XXX	WA	T-MOBILE USA, INC. (T-Mobile US, Inc)	0017078262	RMD0019051	6529	CLE ELUM	YAKMWA020MD	01/30/2021	Prefix Type: PCS Switch Name: YAKIMA Switch Type: N/A LATA: N/A Tandem: N/A 🔧 Explore Switch(CLLI: YAKMWA020MD))
509-304-3XXX	WA	INLAND TEL CO	0001583350	RMD0004179	2423	CLE ELUM	NOCLLIKNOWN	08/25/2010	Prefix Type: ICO Switch Name: N/A Switch Type: N/A LATA: N/A Tandem: N/A 🔧 Explore Switch(CLLI: NOCLLIKNOWN))
509-304-4XXX	WA	NEW CINGULAR WIRELESS PCS, LLC (AT&T Wireless)	0003291192	RMD0036909	6010	CLE ELUM	MLWDWAAA2MD	09/23/2003	Prefix Type: WIRELESS Switch Name: N/A Switch Type: N/A LATA: N/A Tandem: N/A 🔧 Explore Switch(CLLI: MLWDWAAA2MD))
509-304-5XXX	WA	UNITED STATES CELLULAR - WA		N/A	6270	CLE ELUM	NOCLLIKNOWN	04/30/2004	Prefix Type: WIRELESS Switch Name: N/A Switch Type: N/A LATA: N/A Tandem: N/A 🔧 Explore Switch(CLLI: NOCLLIKNOWN))
509-304-6XXX	WA	T-MOBILE USA, INC. (T-Mobile US, Inc)	0017078262	RMD0019051	6529	CLE ELUM	YAKMWA020MD	05/04/2004	Prefix Type: PCS Switch Name: YAKIMA Switch Type: N/A LATA: N/A Tandem: N/A 🔧 Explore Switch(CLLI: YAKMWA020MD))
509-304-7XXX	WA	T-MOBILE USA, INC. (T-Mobile US, Inc)	0017078262	RMD0019051	6529	CLE ELUM	YAKMWA020MD	12/05/2007	Prefix Type: PCS Switch Name: YAKIMA Switch Type: N/A LATA: N/A Tandem: N/A 🔧 Explore Switch(CLLI: YAKMWA020MD))
509-304-8XXX	WA	NEW CINGULAR WIRELESS PCS, LLC (AT&T Wireless)	0003291192	RMD0036909	6010	CLE ELUM	MLWDWAAA2MD	01/11/2006	Prefix Type: WIRELESS Switch Name: N/A Switch Type: N/A LATA: N/A Tandem: N/A 🔧 Explore Switch(CLLI: MLWDWAAA2MD))
509-304-9XXX	WA	T-MOBILE USA, INC. (T-Mobile US, Inc)	0017078262	RMD0019051	6529	CLE ELUM	YAKMWA020MD	N/A	Prefix Type: PCS Switch Name: YAKIMA Switch Type: N/A LATA: N/A Tandem: N/A 🔧 Explore Switch(CLLI: YAKMWA020MD))