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npa-nxxStateCompanyOCNRate CenterCLLIAssign DateMisc
240-256MDTELEPORT COMMUNICATIONS AMERICA, LLC - DC (AT&T)7529LEONARDTNWASHDCTTDS000/00/0000Prefix Type: CLEC
Switch Name: WASHINGTON
Switch Type: Northern Telecom DMS100 (Digital) Host
LATA: N/A
Tandem: N/A
Detailed Switch Info
Thousands block for 240-256
240-256-0MDNEW CINGULAR WIRELESS PCS, LLC - DC (AT&T Wireless)4036LEONARDTNBTVLMD18GT002/04/2003Prefix Type: WIRELESS
Switch Name: N/A
Switch Type: N/A
LATA: N/A
Tandem: N/A
Detailed Switch Info
240-256-1MDUS LEC OF MARYLAND, INC.2589LEONARDTNTYCRVA03DS001/15/2004Prefix Type: CLEC
Switch Name: MCLEAN
Switch Type: N/A
LATA: N/A
Tandem: N/A
Detailed Switch Info
240-256-2MDCELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD (Verizon Wireless)6395LEONARDTNWASKDCFNAMD08/05/2022Prefix Type: WIRELESS
Switch Name: N/A
Switch Type: N/A
LATA: N/A
Tandem: N/A
Detailed Switch Info
240-256-3MDLEVEL 3 COMMUNICATIONS, LLC - MD (CenturyLink, Inc)6119LEONARDTNNOCLLIKNOWN02/06/2006Prefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: N/A
Tandem: N/A
Detailed Switch Info
240-256-4MDCELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD (Verizon Wireless)6395LEONARDTNWASKDCFNAMD10/02/2014Prefix Type: WIRELESS
Switch Name: N/A
Switch Type: N/A
LATA: N/A
Tandem: N/A
Detailed Switch Info
240-256-5MDNEW CINGULAR WIRELESS PCS, LLC - DC (AT&T Wireless)4036LEONARDTNBTVLMD18GT004/21/2004Prefix Type: WIRELESS
Switch Name: N/A
Switch Type: N/A
LATA: N/A
Tandem: N/A
Detailed Switch Info
240-256-6MDTELNYX LLC073HLEONARDTNNOCLLIKNOWN03/02/2017Prefix Type: IPES
Switch Name: N/A
Switch Type: N/A
LATA: N/A
Tandem: N/A
Detailed Switch Info
240-256-7MDXO MARYLAND, LLC (Verizon Communications)4773LEONARDTNWASHDCCZDS107/20/2005Prefix Type: CLEC
Switch Name: WASHINGTON
Switch Type: N/A
LATA: N/A
Tandem: N/A
Detailed Switch Info
240-256-8MDXO MARYLAND, LLC (Verizon Communications)4773LEONARDTNWASHDCCZDS107/20/2005Prefix Type: CLEC
Switch Name: WASHINGTON
Switch Type: N/A
LATA: N/A
Tandem: N/A
Detailed Switch Info
240-256-9MDTELEPORT COMMUNICATIONS AMERICA, LLC - DC (AT&T)7529LEONARDTNWASHDCTTDS0N/APrefix Type: CLEC
Switch Name: WASHINGTON
Switch Type: Northern Telecom DMS100 (Digital) Host
LATA: N/A
Tandem: N/A
Detailed Switch Info
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