Input an Area Code (required) followed by the Prefix, or Exchange (optional):
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npa-nxxStateCompanyOCNRate CenterCLLIAssign DateMisc
240-550MDNEW CINGULAR WIRELESS PCS, LLC - DC (AT&T Wireless)4036WSNGTNZN10BTVLMD18GT003/26/2009Prefix Type: WIRELESS
Switch Name: N/A
Switch Type: N/A
LATA: N/A
Tandem: N/A
Detailed Switch Info
Thousands block for 240-550
240-550-0MDNEW CINGULAR WIRELESS PCS, LLC - DC (AT&T Wireless)4036WSNGTNZN10BTVLMD18GT003/27/2009Prefix Type: WIRELESS
Switch Name: N/A
Switch Type: N/A
LATA: N/A
Tandem: N/A
Detailed Switch Info
240-550-1MDNEW CINGULAR WIRELESS PCS, LLC - DC (AT&T Wireless)4036WSNGTNZN10BTVLMD18GT003/27/2009Prefix Type: WIRELESS
Switch Name: N/A
Switch Type: N/A
LATA: N/A
Tandem: N/A
Detailed Switch Info
240-550-2MDNEW CINGULAR WIRELESS PCS, LLC - DC (AT&T Wireless)4036WSNGTNZN10BTVLMD18GT003/27/2009Prefix Type: WIRELESS
Switch Name: N/A
Switch Type: N/A
LATA: N/A
Tandem: N/A
Detailed Switch Info
240-550-3MDNEW CINGULAR WIRELESS PCS, LLC - DC (AT&T Wireless)4036WSNGTNZN10BTVLMD18GT003/27/2009Prefix Type: WIRELESS
Switch Name: N/A
Switch Type: N/A
LATA: N/A
Tandem: N/A
Detailed Switch Info
240-550-4MDNEW CINGULAR WIRELESS PCS, LLC - DC (AT&T Wireless)4036WSNGTNZN10BTVLMD18GT003/27/2009Prefix Type: WIRELESS
Switch Name: N/A
Switch Type: N/A
LATA: N/A
Tandem: N/A
Detailed Switch Info
240-550-5MDNEW CINGULAR WIRELESS PCS, LLC - DC (AT&T Wireless)4036WSNGTNZN10BTVLMD18GT003/27/2009Prefix Type: WIRELESS
Switch Name: N/A
Switch Type: N/A
LATA: N/A
Tandem: N/A
Detailed Switch Info
240-550-6MDNEW CINGULAR WIRELESS PCS, LLC - DC (AT&T Wireless)4036WSNGTNZN10BTVLMD18GT003/27/2009Prefix Type: WIRELESS
Switch Name: N/A
Switch Type: N/A
LATA: N/A
Tandem: N/A
Detailed Switch Info
240-550-7MDNEW CINGULAR WIRELESS PCS, LLC - DC (AT&T Wireless)4036WSNGTNZN10BTVLMD18GT003/27/2009Prefix Type: WIRELESS
Switch Name: N/A
Switch Type: N/A
LATA: N/A
Tandem: N/A
Detailed Switch Info
240-550-8MDNEW CINGULAR WIRELESS PCS, LLC - DC (AT&T Wireless)4036WSNGTNZN10BTVLMD18GT003/27/2009Prefix Type: WIRELESS
Switch Name: N/A
Switch Type: N/A
LATA: N/A
Tandem: N/A
Detailed Switch Info
240-550-9MDNEW CINGULAR WIRELESS PCS, LLC - DC (AT&T Wireless)4036WSNGTNZN10BTVLMD18GT003/27/2009Prefix Type: WIRELESS
Switch Name: N/A
Switch Type: N/A
LATA: N/A
Tandem: N/A
Detailed Switch Info
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