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NPA: 240 [Rate centres in NPA 240] [Dial plan for NPA 240]

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NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
240-245 2 Washington Zone 14 MD VINNVACBDS0  876D ONVOY, LLC - MD 236   2012-10-07   
240-245 3 Washington Zone 14 MD ARTNVAARXDY  318J COMCAST IP PHONE, LLC 236   2007-05-02   
240-245 4 Washington Zone 14 MD ARTNVAARXDY  318J COMCAST IP PHONE, LLC 236   2006-10-21   
240-245 5 Washington Zone 14 MD WASHDCDP8MD  071F BANDWIDTH.COM CLEC, LLC - MD 236   2010-08-19   
240-245 6 Washington Zone 14 MD WASHDCDP8MD  071F BANDWIDTH.COM CLEC, LLC - MD 236   2010-08-19   
240-245 7 Washington Zone 14 MD WASHDCDP8MD  071F BANDWIDTH.COM CLEC, LLC - MD 236   2011-05-20   
240-245 8 Washington Zone 14 MD LNHMMDADGT0  8832 STARPOWER COMMUNICATIONS, LLC - MD 236      
240-245 9 Washington Zone 14 MD   515J IP HORIZON LLC 236   2013-09-06   
240-246 A Gaithersburg MD LNHMMDADGT0  8832 STARPOWER COMMUNICATIONS, LLC - MD 236      
240-246 0 Gaithersburg MD LNHMMDADGT0  8832 STARPOWER COMMUNICATIONS, LLC - MD 236      
240-246 1 Gaithersburg MD LNHMMDADGT0  8832 STARPOWER COMMUNICATIONS, LLC - MD 236      
240-246 2 Gaithersburg MD LNHMMDADGT0  8832 STARPOWER COMMUNICATIONS, LLC - MD 236      
240-246 3 Gaithersburg MD BTVLMD12CMA  5562 METROPCS, INC. 236   2005-07-02   
240-246 4 Gaithersburg MD BTVLMD18GT0  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 236   2005-01-03   
240-246 5 Gaithersburg MD BTVLMD18GT0  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 236   2005-01-03   
240-246 6 Gaithersburg MD BTVLMD18GT0  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 236   2005-01-03   
240-246 7 Gaithersburg MD ARTNVAARXDY  318J COMCAST IP PHONE, LLC 236   2005-07-25   
240-246 8 Gaithersburg MD LNHMMDADGT0  8832 STARPOWER COMMUNICATIONS, LLC - MD 236      
240-246 9 Gaithersburg MD LNHMMDADGT0  8832 STARPOWER COMMUNICATIONS, LLC - MD 236      
240-247 A Washington Zone 3 MD WASKDCFNPS0  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 236      
240-247 0 Washington Zone 3 MD WASKDCFNPS0  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 236      
240-247 1 Washington Zone 3 MD WASKDCFNPS0  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 236      
240-247 2 Washington Zone 3 MD WASKDCFNPS0  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 236      
240-247 3 Washington Zone 3 MD WASHDCDP8MD  071F BANDWIDTH.COM CLEC, LLC - MD 236   2022-11-08   
240-247 4 Washington Zone 3 MD WASKDCFNPS0  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 236      
240-247 5 Washington Zone 3 MD WASKDCFNPS0  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 236      
240-247 6 Washington Zone 3 MD WASKDCFNPS0  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 236      
240-247 7 Washington Zone 3 MD BTVLMD18GT0  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 236   2003-11-04   
240-247 8 Washington Zone 3 MD WASKDCFNPS0  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 236      
240-247 9 Washington Zone 3 MD WASKDCFNPS0  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 236      
240-248 A Ridge MD WASHDC12DS6  568G PEERLESS NETWORK OF MARYLAND, LLC 236      
240-248 0 Ridge MD WASHDC127MD  073H TELNYX LLC 236   2021-12-23   
240-248 1 Ridge MD WASHDCSWMMD  624H ONVOY SPECTRUM, LLC 236   2021-05-21   
240-248 2 Ridge MD WASHDC12DS6  568G PEERLESS NETWORK OF MARYLAND, LLC 236   2023-08-19   
240-248 3 Ridge MD VINNVACBDS0  876D ONVOY, LLC - MD 236   2021-07-12   
240-248 4 Ridge MD WASHDC127MD  073H TELNYX LLC 236   2024-02-04   
240-248 5 Ridge MD WASHDC12DS6  568G PEERLESS NETWORK OF MARYLAND, LLC 236   2021-12-02   
240-248 6 Ridge MD WASHDC12DS6  568G PEERLESS NETWORK OF MARYLAND, LLC 236   2023-02-27   
240-248 7 Ridge MD WASHDCSWMMD  624H ONVOY SPECTRUM, LLC 236   2021-11-15   
240-248 8 Ridge MD WASHDCSWMMD  624H ONVOY SPECTRUM, LLC 236   2021-11-15   
240-248 9 Ridge MD WASHDC12DS6  568G PEERLESS NETWORK OF MARYLAND, LLC 236      
240-249 A Mechanicsville MD WASHDCTTDS0  7529 TELEPORT COMMUNICATIONS AMERICA, LLC - DC 236      
240-249 0 Mechanicsville MD MCLNVA23DS4  6119 LEVEL 3 COMMUNICATIONS, LLC - MD 236   2006-03-03   
240-249 1 Mechanicsville MD   829J PAETEC ITEL, LLC 236   2004-02-04   
240-249 2 Mechanicsville MD WASHDCDP8MD  071F BANDWIDTH.COM CLEC, LLC - MD 236   2012-06-25   
240-249 3 Mechanicsville MD ARTNVAARXDY  318J COMCAST IP PHONE, LLC 236   2005-07-25   
240-249 4 Mechanicsville MD VINNVACBDS0  876D ONVOY, LLC - MD 236   2016-03-14   
240-249 5 Mechanicsville MD WASHDCDP8MD  071F BANDWIDTH.COM CLEC, LLC - MD 236   2010-10-17   
240-249 6 Mechanicsville MD CHCHMDBEXCX  228C IDT AMERICA, CORP. - MD 236   2007-09-12   
240-249 7 Mechanicsville MD VINNVACBDS0  876D ONVOY, LLC - MD 236   2016-03-14   
240-249 8 Mechanicsville MD MCLNVA23DS4  6119 LEVEL 3 COMMUNICATIONS, LLC - MD 236   2008-08-13   
240-249 9 Mechanicsville MD WASHDCTTDS0  7529 TELEPORT COMMUNICATIONS AMERICA, LLC - DC 236      
240-250 A Brandywine MD WASHDC12DS6  568G PEERLESS NETWORK OF MARYLAND, LLC 236      
240-250 0 Brandywine MD WASHDC12DS6  568G PEERLESS NETWORK OF MARYLAND, LLC 236      
240-251 A Highfield MD HGTWMD53DS0  2593 CORE COMMUNICATIONS, INC.- MD 240      
240-252 A Gaithersburg MD MCLNVA23DS4  6119 LEVEL 3 COMMUNICATIONS, LLC - MD 236      
240-252 0 Gaithersburg MD BTVLMD18GT0  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 236   2004-03-03   
240-252 1 Gaithersburg MD MCLNVA23DS4  6119 LEVEL 3 COMMUNICATIONS, LLC - MD 236   2005-03-18   
240-252 2 Gaithersburg MD MCLNVA23DS4  6119 LEVEL 3 COMMUNICATIONS, LLC - MD 236   2011-02-03   
240-252 3 Gaithersburg MD MCLNVA23DS4  6119 LEVEL 3 COMMUNICATIONS, LLC - MD 236   2005-03-18   
240-252 4 Gaithersburg MD MCLNVA23DS4  6119 LEVEL 3 COMMUNICATIONS, LLC - MD 236      
240-252 5 Gaithersburg MD MCLNVA23DS4  6119 LEVEL 3 COMMUNICATIONS, LLC - MD 236   2005-03-18   
240-252 6 Gaithersburg MD MCLNVA23DS4  6119 LEVEL 3 COMMUNICATIONS, LLC - MD 236   2005-03-18   
240-252 7 Gaithersburg MD MCLNVA23DS4  6119 LEVEL 3 COMMUNICATIONS, LLC - MD 236   2005-03-18   
240-252 8 Gaithersburg MD BTVLMD18GT0  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 236   2006-09-18   
240-252 9 Gaithersburg MD BTVLMD18GT0  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 236   2004-03-03   
240-253 A Washington Zone 6 MD   071F BANDWIDTH.COM CLEC, LLC - MD 236      
240-253 1 Washington Zone 6 MD WASHDCDP8MD  071F BANDWIDTH.COM CLEC, LLC - MD 236   2024-09-15   
240-253 2 Washington Zone 6 MD ARTNVAARXDY  318J COMCAST IP PHONE, LLC 236   2006-03-03   
240-253 3 Washington Zone 6 MD BTVLMD12CMA  6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 236   2006-12-15   
240-253 4 Washington Zone 6 MD VINNVACBDS0  876D ONVOY, LLC - MD 236   2024-12-02   
240-253 5 Washington Zone 6 MD BTVLMD12CMA  6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 236   2023-09-29   
240-253 6 Washington Zone 6 MD WASHDCDP8MD  071F BANDWIDTH.COM CLEC, LLC - MD 236   2013-04-22   
240-253 7 Washington Zone 6 MD BTVLMD12CMA  6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 236   2007-08-28   
240-253 8 Washington Zone 6 MD WASHDCDP8MD  071F BANDWIDTH.COM CLEC, LLC - MD 236   2024-09-15   
240-253 9 Washington Zone 6 MD WASHDCDP8MD  071F BANDWIDTH.COM CLEC, LLC - MD 236   2024-09-15   
240-254 A Hughesville MD WASHDCTTDS0  7529 TELEPORT COMMUNICATIONS AMERICA, LLC - DC 236      
240-254 0 Hughesville MD WASKDCFNPS0  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 236   2005-08-15   
240-254 1 Hughesville MD   829J PAETEC ITEL, LLC 236   2004-02-05   
240-254 2 Hughesville MD ARTNVAARXDY  318J COMCAST IP PHONE, LLC 236   2005-07-25   
240-254 3 Hughesville MD WASKDCFNPS0  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 236   2005-08-15   
240-254 4 Hughesville MD BTVLMD12CMA  6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 236   2015-04-12   
240-254 7 Hughesville MD BTVLMD12CMA  6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 236   2014-10-10   
240-254 8 Hughesville MD   2593 CORE COMMUNICATIONS, INC.- MD 236   2004-03-26   
240-254 9 Hughesville MD WASHDCTTDS0  7529 TELEPORT COMMUNICATIONS AMERICA, LLC - DC 236      
240-255 A Poolesville MD WASHDC12DS6  568G PEERLESS NETWORK OF MARYLAND, LLC 236      
240-255 0 Poolesville MD WASKDCFNAMD  6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD 236   2022-06-14   
240-255 1 Poolesville MD WASHDCSWMMD  624H ONVOY SPECTRUM, LLC 236   2021-11-15   
240-255 2 Poolesville MD WASHDCSWMMD  624H ONVOY SPECTRUM, LLC 236   2022-03-12   
240-255 3 Poolesville MD VINNVACBDS0  876D ONVOY, LLC - MD 236   2021-09-24   
240-255 4 Poolesville MD WASHDCSWMMD  624H ONVOY SPECTRUM, LLC 236   2022-03-12   
240-255 5 Poolesville MD WASKDCFNAMD  6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD 236   2024-06-21   
240-255 6 Poolesville MD WASHDC12DS6  568G PEERLESS NETWORK OF MARYLAND, LLC 236   2021-03-24   
240-255 7 Poolesville MD WASHDCSWMMD  624H ONVOY SPECTRUM, LLC 236   2021-11-15   
240-255 8 Poolesville MD WASKDCFNAMD  6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD 236   2020-10-26   
240-255 9 Poolesville MD WASHDC12DS6  568G PEERLESS NETWORK OF MARYLAND, LLC 236      
240-256 A Leonardtown MD WASHDCTTDS0  7529 TELEPORT COMMUNICATIONS AMERICA, LLC - DC 236      
240-256 0 Leonardtown MD BTVLMD18GT0  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 236   2003-02-27   
240-256 1 Leonardtown MD   829J PAETEC ITEL, LLC 236   2004-02-05   
240-256 2 Leonardtown MD WASKDCFNAMD  6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD 236   2022-09-02   

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Last updated: Wed, 18 Jun 2025 02:30:00 UTC

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