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
240-302	MD	NEW CINGULAR WIRELESS PCS, LLC - DC (AT&T Wireless)	0003291192	RMD0036909	4036	LAUREL236	BTVLMD18GT0	09/28/2016	Prefix Type: WIRELESS Switch Name: N/A Switch Type: N/A LATA: N/A Tandem: N/A 🔧 Explore Switch(CLLI: BTVLMD18GT0))
240-302 is split into 1,000-number blocks - detail below
240-302-0XXX	MD	OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC (T-Mobile US, Inc)		N/A	6855	LAUREL236	BTVLMD12CMA	01/05/2017	Prefix Type: PCS Switch Name: N/A Switch Type: N/A LATA: N/A Tandem: N/A 🔧 Explore Switch(CLLI: BTVLMD12CMA))
240-302-1XXX	MD	METROPCS, INC. (T-Mobile US, Inc)		N/A	5562	LAUREL236	BTVLMD127MD	02/20/2017	Prefix Type: PCS Switch Name: N/A Switch Type: N/A LATA: N/A Tandem: N/A 🔧 Explore Switch(CLLI: BTVLMD127MD))
240-302-2XXX	MD	BARR TELL USA, INC.	0012167557	RMD0001416	964H	LAUREL236	NOCLLIKNOWN	11/01/2016	Prefix Type: UNKNOWN Switch Name: N/A Switch Type: N/A LATA: N/A Tandem: N/A 🔧 Explore Switch(CLLI: NOCLLIKNOWN))
240-302-3XXX	MD	NEW CINGULAR WIRELESS PCS, LLC - DC (AT&T Wireless)	0003291192	RMD0036909	4036	LAUREL236	BTVLMD18GT0	02/20/2017	Prefix Type: WIRELESS Switch Name: N/A Switch Type: N/A LATA: N/A Tandem: N/A 🔧 Explore Switch(CLLI: BTVLMD18GT0))
240-302-4XXX	MD	NEW CINGULAR WIRELESS PCS, LLC - DC (AT&T Wireless)	0003291192	RMD0036909	4036	LAUREL236	BTVLMD18GT0	09/28/2016	Prefix Type: WIRELESS Switch Name: N/A Switch Type: N/A LATA: N/A Tandem: N/A 🔧 Explore Switch(CLLI: BTVLMD18GT0))
240-302-5XXX	MD	NEW CINGULAR WIRELESS PCS, LLC - DC (AT&T Wireless)	0003291192	RMD0036909	4036	LAUREL236	BTVLMD18GT0	09/28/2016	Prefix Type: WIRELESS Switch Name: N/A Switch Type: N/A LATA: N/A Tandem: N/A 🔧 Explore Switch(CLLI: BTVLMD18GT0))
240-302-6XXX	MD	NEW CINGULAR WIRELESS PCS, LLC - DC (AT&T Wireless)	0003291192	RMD0036909	4036	LAUREL236	BTVLMD18GT0	09/28/2016	Prefix Type: WIRELESS Switch Name: N/A Switch Type: N/A LATA: N/A Tandem: N/A 🔧 Explore Switch(CLLI: BTVLMD18GT0))
240-302-7XXX	MD	NEW CINGULAR WIRELESS PCS, LLC - DC (AT&T Wireless)	0003291192	RMD0036909	4036	LAUREL236	BTVLMD18GT0	09/28/2016	Prefix Type: WIRELESS Switch Name: N/A Switch Type: N/A LATA: N/A Tandem: N/A 🔧 Explore Switch(CLLI: BTVLMD18GT0))
240-302-8XXX	MD	NEW CINGULAR WIRELESS PCS, LLC - DC (AT&T Wireless)	0003291192	RMD0036909	4036	LAUREL236	BTVLMD18GT0	09/28/2016	Prefix Type: WIRELESS Switch Name: N/A Switch Type: N/A LATA: N/A Tandem: N/A 🔧 Explore Switch(CLLI: BTVLMD18GT0))
240-302-9XXX	MD	NEW CINGULAR WIRELESS PCS, LLC - DC (AT&T Wireless)	0003291192	RMD0036909	4036	LAUREL236	BTVLMD18GT0	09/28/2016	Prefix Type: WIRELESS Switch Name: N/A Switch Type: N/A LATA: N/A Tandem: N/A 🔧 Explore Switch(CLLI: BTVLMD18GT0))