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npa-nxxState/ProvinceCompanyFRNRMDOCNRate CenterCLLIAssign DateMisc
240-256MDTELEPORT COMMUNICATIONS AMERICA, LLC - DC (AT&T)0004274114RMD00038977529LEONARDTNWASHDCTTDS000/00/0000Prefix Type: CLEC
Switch Name: WASHINGTON
Switch Type: Northern Telecom DMS100 (Digital) Host
LATA: N/A
Tandem: N/A
🔧 Explore Switch(CLLI: WASHDCTTDS0))
240-256 is split into 1,000-number blocks - detail below
240-256-0XXXMDNEW CINGULAR WIRELESS PCS, LLC - DC (AT&T Wireless)0003291192RMD00369094036LEONARDTNBTVLMD18GT002/04/2003Prefix Type: WIRELESS
Switch Name: N/A
Switch Type: N/A
LATA: N/A
Tandem: N/A
🔧 Explore Switch(CLLI: BTVLMD18GT0))
240-256-1XXXMDPAETEC ITEL, LLC0015247810RMD0038378829JLEONARDTNTYCRVA03DS001/15/2004Prefix Type: IPES
Switch Name: MCLEAN
Switch Type: N/A
LATA: N/A
Tandem: N/A
🔧 Explore Switch(CLLI: TYCRVA03DS0))
240-256-2XXXMDCELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD (Verizon Wireless)0003290673RMD00033826395LEONARDTNWASKDCFNAMD08/05/2022Prefix Type: WIRELESS
Switch Name: N/A
Switch Type: N/A
LATA: N/A
Tandem: N/A
🔧 Explore Switch(CLLI: WASKDCFNAMD))
240-256-3XXXMDLEVEL 3 COMMUNICATIONS, LLC - MD (Lumen Technologies, Inc)0015338122RMD00061126119LEONARDTNNOCLLIKNOWN02/06/2006Prefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: N/A
Tandem: N/A
🔧 Explore Switch(CLLI: NOCLLIKNOWN))
240-256-4XXXMDCELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD (Verizon Wireless)0003290673RMD00033826395LEONARDTNWASKDCFNAMD10/02/2014Prefix Type: WIRELESS
Switch Name: N/A
Switch Type: N/A
LATA: N/A
Tandem: N/A
🔧 Explore Switch(CLLI: WASKDCFNAMD))
240-256-5XXXMDNEW CINGULAR WIRELESS PCS, LLC - DC (AT&T Wireless)0003291192RMD00369094036LEONARDTNBTVLMD18GT004/21/2004Prefix Type: WIRELESS
Switch Name: N/A
Switch Type: N/A
LATA: N/A
Tandem: N/A
🔧 Explore Switch(CLLI: BTVLMD18GT0))
240-256-6XXXMDTELNYX LLC0018998724RMD0001645073HLEONARDTNNOCLLIKNOWN03/02/2017Prefix Type: IPES
Switch Name: N/A
Switch Type: N/A
LATA: N/A
Tandem: N/A
🔧 Explore Switch(CLLI: NOCLLIKNOWN))
240-256-7XXXMDCELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD (Verizon Wireless)0003290673RMD00033826395LEONARDTNWASKDCFNAMD04/14/2026Prefix Type: WIRELESS
Switch Name: N/A
Switch Type: N/A
LATA: N/A
Tandem: N/A
🔧 Explore Switch(CLLI: WASKDCFNAMD))
240-256-8XXXMDMCIMETRO ACCESS TRANSMISSION SERVICES LLC0004999405RMD00029577229LEONARDTNWASKDCFNPS007/20/2005Prefix Type: CLEC
Switch Name: WASHINGTON
Switch Type: N/A
LATA: N/A
Tandem: N/A
🔧 Explore Switch(CLLI: WASKDCFNPS0))
240-256-9XXXMDTELEPORT COMMUNICATIONS AMERICA, LLC - DC (AT&T)0004274114RMD00038977529LEONARDTNWASHDCTTDS0N/APrefix Type: CLEC
Switch Name: WASHINGTON
Switch Type: Northern Telecom DMS100 (Digital) Host
LATA: N/A
Tandem: N/A
🔧 Explore Switch(CLLI: WASHDCTTDS0))
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