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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
240-605 9 Washington Zone 3 MD BTVLMD12CMA  6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 236      
240-606 A Washington Zone 3 MD BTVLMD12CMA  6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 236      
240-606 0 Washington Zone 3 MD BTVLMD12CMA  6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 236      
240-606 1 Washington Zone 3 MD BTVLMD12CMA  6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 236      
240-606 2 Washington Zone 3 MD BTVLMD12CMA  6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 236      
240-606 3 Washington Zone 3 MD BTVLMD12CMA  6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 236      
240-606 4 Washington Zone 3 MD BTVLMD12CMA  6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 236      
240-606 5 Washington Zone 3 MD BTVLMD12CMA  6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 236      
240-606 6 Washington Zone 3 MD BTVLMD12CMA  6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 236      
240-606 7 Washington Zone 3 MD BTVLMD12CMA  6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 236      
240-606 8 Washington Zone 3 MD BTVLMD12CMA  6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 236      
240-606 9 Washington Zone 3 MD BTVLMD12CMA  6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 236      
240-607 A Waldorf MD   6119 LEVEL 3 COMMUNICATIONS, LLC - MD 236      
240-607 0 Waldorf MD WASHDC12KMD  145J TERRA NOVA TELECOM INC. 236   2024-09-11   
240-607 1 Waldorf MD   829J PAETEC ITEL, LLC 236   2006-04-21   
240-607 2 Waldorf MD ARTNVAARXDY  318J COMCAST IP PHONE, LLC 236   2006-08-12   
240-607 3 Waldorf MD   6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD 236   2025-05-20   
240-607 4 Waldorf MD BTVLMD18G00  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 236   2024-12-06   
240-607 5 Waldorf MD MCLNVA23DS4  6119 LEVEL 3 COMMUNICATIONS, LLC - MD 236      
240-607 6 Waldorf MD WASKDCFNPS0  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 236   2005-05-23   
240-607 7 Waldorf MD WASKDCFNPS0  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 236   2005-05-23   
240-607 8 Waldorf MD WASKDCFNPS0  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 236   2005-05-23   
240-607 9 Waldorf MD ARTNVAARXDY  318J COMCAST IP PHONE, LLC 236   2006-08-12   
240-608 A Frederick MD FRDRMDFRIMD  551G NUSO, LLC 240      
240-608 0 Frederick MD FRDRMDFRKMD  6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 240   2013-07-22   
240-608 1 Frederick MD FRDRMDFRIMD  551G NUSO, LLC 240   2013-05-08   
240-608 2 Frederick MD HGTWMDHGDMD  071F BANDWIDTH.COM CLEC, LLC - MD 240   2014-05-30   
240-608 3 Frederick MD   829J PAETEC ITEL, LLC 240   2014-02-07   
240-608 4 Frederick MD HGTWMDHGDMD  071F BANDWIDTH.COM CLEC, LLC - MD 240   2014-05-30   
240-608 5 Frederick MD FRDRMDFRXSX  6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD 240   2014-08-01   
240-608 6 Frederick MD FRDRMDFRXMD  6119 LEVEL 3 COMMUNICATIONS, LLC - MD 240   2014-02-15   
240-608 7 Frederick MD FRDRMDFRXSX  6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD 240   2015-05-05   
240-608 8 Frederick MD FRDRMDFRKMD  6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 240   2013-12-09   
240-608 9 Frederick MD FRDRMDFRKMD  6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 240   2013-12-09   
240-609 A Cumberland MD MNRVMDMOXFX  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 240      
240-609 0 Cumberland MD HGTWMDHGDMD  071F BANDWIDTH.COM CLEC, LLC - MD 240   2015-10-26   
240-609 1 Cumberland MD CMLDMDCH0MD  228C IDT AMERICA, CORP. - MD 240   2016-08-18   
240-609 2 Cumberland MD FRDRMDFRKMD  5562 METROPCS, INC. 240   2017-05-03   
240-609 3 Cumberland MD FRDRMDFRX7X  7228 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - MD 240   2015-07-21   
240-609 4 Cumberland MD FRDRMDFRXKX  508J CENTURYLINK COMMUNICATIONS, LLC 240   2016-11-12   
240-609 5 Cumberland MD MNRVMDMOXFX  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 240   2016-01-13   
240-609 6 Cumberland MD MNRVMDMOXFX  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 240   2016-01-13   
240-609 7 Cumberland MD MNRVMDMOXFX  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 240   2015-10-16   
240-609 8 Cumberland MD MNRVMDMOXFX  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 240   2014-10-26   
240-609 9 Cumberland MD MNRVMDMOXFX  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 240   2014-10-26   
240-610 A Washington Zone 4 MD CHCHMDBEPS0  2593 CORE COMMUNICATIONS, INC.- MD 236   2024-01-16   
240-610 0 Washington Zone 4 MD   2593 CORE COMMUNICATIONS, INC.- MD 236   2018-08-02   
240-610 1 Washington Zone 4 MD BTVLMD12CMA  6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 236   2023-05-24   
240-610 2 Washington Zone 4 MD BTVLMD12CMA  6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 236   2023-05-24   
240-610 3 Washington Zone 4 MD BTVLMD12CMA  6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 236   2019-01-19   
240-610 4 Washington Zone 4 MD WASKDCFNAMD  6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD 236   2019-09-24   
240-610 5 Washington Zone 4 MD WASKDCFNAMD  6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD 236   2019-09-24   
240-610 6 Washington Zone 4 MD WASHDC125MD  197D VONAGE AMERICA LLC 236   2020-06-08   
240-610 7 Washington Zone 4 MD BTVLMD12CMA  6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 236   2019-11-08   
240-610 8 Washington Zone 4 MD WASKDCFNAMD  6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD 236   2018-12-10   
240-610 9 Washington Zone 4 MD WASKDCFNAMD  6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD 236   2021-09-16   
240-612 A Washington Zone 5 MD LARLMDCC5MD  7591 LEVEL 3 TELECOM OF MARYLAND, LLC - MD 236      
240-612 0 Washington Zone 5 MD LARLMDCC5MD  7591 LEVEL 3 TELECOM OF MARYLAND, LLC - MD 236   2010-10-02   
240-612 1 Washington Zone 5 MD LARLMDCC5MD  7591 LEVEL 3 TELECOM OF MARYLAND, LLC - MD 236   2010-10-02   
240-612 2 Washington Zone 5 MD LARLMDCC5MD  7591 LEVEL 3 TELECOM OF MARYLAND, LLC - MD 236   2010-10-02   
240-612 3 Washington Zone 5 MD LARLMDCC5MD  7591 LEVEL 3 TELECOM OF MARYLAND, LLC - MD 236   2010-10-02   
240-612 4 Washington Zone 5 MD LARLMDCC5MD  7591 LEVEL 3 TELECOM OF MARYLAND, LLC - MD 236   2010-10-02   
240-612 5 Washington Zone 5 MD LARLMDCC5MD  7591 LEVEL 3 TELECOM OF MARYLAND, LLC - MD 236   2010-10-02   
240-612 6 Washington Zone 5 MD LARLMDCC5MD  7591 LEVEL 3 TELECOM OF MARYLAND, LLC - MD 236   2010-10-02   
240-612 7 Washington Zone 5 MD LARLMDCC5MD  7591 LEVEL 3 TELECOM OF MARYLAND, LLC - MD 236   2010-10-02   
240-612 8 Washington Zone 5 MD LARLMDCC5MD  7591 LEVEL 3 TELECOM OF MARYLAND, LLC - MD 236   2010-10-02   
240-612 9 Washington Zone 5 MD LARLMDCC5MD  7591 LEVEL 3 TELECOM OF MARYLAND, LLC - MD 236   2010-10-02   
240-613 A Washington Zone 4 MD   829J PAETEC ITEL, LLC 236   2025-04-02   
240-613 0 Washington Zone 4 MD   2589 US LEC OF MARYLAND, INC. 236   2012-05-27   
240-613 1 Washington Zone 4 MD   2589 US LEC OF MARYLAND, INC. 236   2012-05-27   
240-613 2 Washington Zone 4 MD   2589 US LEC OF MARYLAND, INC. 236   2012-05-27   
240-613 3 Washington Zone 4 MD   2589 US LEC OF MARYLAND, INC. 236   2012-05-27   
240-613 4 Washington Zone 4 MD   2589 US LEC OF MARYLAND, INC. 236   2012-05-27   
240-613 5 Washington Zone 4 MD   2589 US LEC OF MARYLAND, INC. 236   2012-05-27   
240-613 6 Washington Zone 4 MD   2589 US LEC OF MARYLAND, INC. 236   2012-05-27   
240-613 7 Washington Zone 4 MD   2589 US LEC OF MARYLAND, INC. 236   2012-05-27   
240-613 8 Washington Zone 4 MD   2589 US LEC OF MARYLAND, INC. 236   2012-05-27   
240-613 9 Washington Zone 4 MD   2589 US LEC OF MARYLAND, INC. 236   2012-05-27   
240-614 A Washington Zone 10 MD BTVLMD12CMA  5562 METROPCS, INC. 236      
240-614 0 Washington Zone 10 MD BTVLMD12CMA  6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 236   2013-09-24   
240-614 1 Washington Zone 10 MD BTVLMD12CMA  6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 236   2013-09-24   
240-614 2 Washington Zone 10 MD WASHDCDP8MD  071F BANDWIDTH.COM CLEC, LLC - MD 236   2014-06-11   
240-614 3 Washington Zone 10 MD WASKDCFNAMD  6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD 236   2013-11-22   
240-614 4 Washington Zone 10 MD MCLNVA23DS4  6119 LEVEL 3 COMMUNICATIONS, LLC - MD 236   2014-08-18   
240-614 5 Washington Zone 10 MD BTVLMD12CMA  5562 METROPCS, INC. 236   2014-09-11   
240-614 6 Washington Zone 10 MD BTVLMD12CMA  6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 236   2013-12-27   
240-614 7 Washington Zone 10 MD ARTNVAARXDY  318J COMCAST IP PHONE, LLC 236   2013-11-22   
240-614 8 Washington Zone 10 MD BTVLMD12CMA  5562 METROPCS, INC. 236   2014-10-15   
240-614 9 Washington Zone 10 MD BTVLMD12CMA  5562 METROPCS, INC. 236   2013-09-14   
240-615 A Washington Zone 4 MD BTVLMD12CMA  5562 METROPCS, INC. 236      
240-615 0 Washington Zone 4 MD BTVLMD12CMA  5562 METROPCS, INC. 236   2013-07-20   
240-615 1 Washington Zone 4 MD BTVLMD12CMA  5562 METROPCS, INC. 236   2013-07-20   
240-615 2 Washington Zone 4 MD BTVLMD12CMA  5562 METROPCS, INC. 236   2013-07-20   
240-615 3 Washington Zone 4 MD BTVLMD12CMA  5562 METROPCS, INC. 236   2013-07-20   
240-615 4 Washington Zone 4 MD BTVLMD12CMA  5562 METROPCS, INC. 236   2013-07-20   
240-615 5 Washington Zone 4 MD BTVLMD12CMA  5562 METROPCS, INC. 236   2013-07-20   
240-615 6 Washington Zone 4 MD BTVLMD12CMA  6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 236   2013-10-11   
240-615 7 Washington Zone 4 MD BTVLMD12CMA  6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 236   2013-10-11   
240-615 8 Washington Zone 4 MD ARTNVAARXDY  318J COMCAST IP PHONE, LLC 236   2014-08-25   
240-615 9 Washington Zone 4 MD BTVLMD12CMA  5562 METROPCS, INC. 236   2013-07-20   

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Last updated: Sun, 01 Jun 2025 02:18:11 UTC

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