Input an Area Code (required) followed by the Prefix, or Exchange (optional):
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npa-nxxStateCompanyOCNRate CenterCLLIAssign DateMisc
301-312MDNEW CINGULAR WIRELESS PCS, LLC - DC (AT&T Wireless)4036WSHNGTNZN2BTVLMD18GT000/00/0000Prefix Type: WIRELESS
Switch Name: N/A
Switch Type: N/A
LATA: N/A
Tandem: N/A
Detailed Switch Info
Thousands block for 301-312
301-312-0MDNEW CINGULAR WIRELESS PCS, LLC - DC (AT&T Wireless)4036WSHNGTNZN2BTVLMD18GT008/29/2006Prefix Type: WIRELESS
Switch Name: N/A
Switch Type: N/A
LATA: N/A
Tandem: N/A
Detailed Switch Info
301-312-1MDNEW CINGULAR WIRELESS PCS, LLC - DC (AT&T Wireless)4036WSHNGTNZN2BTVLMD18GT008/29/2006Prefix Type: WIRELESS
Switch Name: N/A
Switch Type: N/A
LATA: N/A
Tandem: N/A
Detailed Switch Info
301-312-2MDNEW CINGULAR WIRELESS PCS, LLC - DC (AT&T Wireless)4036WSHNGTNZN2BTVLMD18GT008/29/2006Prefix Type: WIRELESS
Switch Name: N/A
Switch Type: N/A
LATA: N/A
Tandem: N/A
Detailed Switch Info
301-312-3MDNEW CINGULAR WIRELESS PCS, LLC - DC (AT&T Wireless)4036WSHNGTNZN2BTVLMD18GT008/29/2006Prefix Type: WIRELESS
Switch Name: N/A
Switch Type: N/A
LATA: N/A
Tandem: N/A
Detailed Switch Info
301-312-4MDNEW CINGULAR WIRELESS PCS, LLC - DC (AT&T Wireless)4036WSHNGTNZN2BTVLMD18GT008/29/2006Prefix Type: WIRELESS
Switch Name: N/A
Switch Type: N/A
LATA: N/A
Tandem: N/A
Detailed Switch Info
301-312-5MDNEW CINGULAR WIRELESS PCS, LLC - DC (AT&T Wireless)4036WSHNGTNZN2BTVLMD18GT008/29/2006Prefix Type: WIRELESS
Switch Name: N/A
Switch Type: N/A
LATA: N/A
Tandem: N/A
Detailed Switch Info
301-312-6MDCOMCAST IP PHONE, LLC (Comcast)318JWSHNGTNZN2ARTNVAARXDY09/06/2006Prefix Type: IPES
Switch Name: N/A
Switch Type: N/A
LATA: N/A
Tandem: N/A
Detailed Switch Info
301-312-7MDNEW CINGULAR WIRELESS PCS, LLC - DC (AT&T Wireless)4036WSHNGTNZN2BTVLMD18GT008/29/2006Prefix Type: WIRELESS
Switch Name: N/A
Switch Type: N/A
LATA: N/A
Tandem: N/A
Detailed Switch Info
301-312-8MDCOMCAST IP PHONE, LLC (Comcast)318JWSHNGTNZN2ARTNVAARXDY09/06/2006Prefix Type: IPES
Switch Name: N/A
Switch Type: N/A
LATA: N/A
Tandem: N/A
Detailed Switch Info
301-312-9MDNEW CINGULAR WIRELESS PCS, LLC - DC (AT&T Wireless)4036WSHNGTNZN2BTVLMD18GT0N/APrefix Type: WIRELESS
Switch Name: N/A
Switch Type: N/A
LATA: N/A
Tandem: N/A
Detailed Switch Info
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