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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
240-470 1 Laurel MD   515J IP HORIZON LLC 236   2013-09-06   
240-470 2 Laurel MD BTVLMD12CMA  5562 METROPCS, INC. 236   2013-06-14   
240-470 3 Laurel MD BTVLMD12CMA  5562 METROPCS, INC. 236   2013-07-25   
240-470 4 Laurel MD BTVLMD18GT0  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 236   2015-12-23   
240-470 5 Laurel MD BTVLMD18GT0  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 236   2015-12-23   
240-470 6 Laurel MD BTVLMD18GT0  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 236   2015-12-23   
240-470 7 Laurel MD VINNVACBDS0  876D ONVOY, LLC - MD 236   2015-06-27   
240-470 8 Laurel MD BTVLMD12CMA  6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 236   2015-08-09   
240-470 9 Laurel MD BTVLMD12CMA  6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 236   2011-12-09   
240-471 A Washington Zone 12 MD   876D ONVOY, LLC - MD 236      
240-471 0 Washington Zone 12 MD VINNVACBDS0  876D ONVOY, LLC - MD 236   2024-11-04   
240-471 1 Washington Zone 12 MD VINNVACBDS0  876D ONVOY, LLC - MD 236   2022-12-16   
240-471 2 Washington Zone 12 MD VINNVACBDS0  876D ONVOY, LLC - MD 236   2021-04-02   
240-471 3 Washington Zone 12 MD   829J PAETEC ITEL, LLC 236   2005-02-18   
240-471 5 Washington Zone 12 MD BTVLMD12CMA  5562 METROPCS, INC. 236   2013-06-16   
240-471 6 Washington Zone 12 MD VINNVACBDS0  876D ONVOY, LLC - MD 236   2014-10-27   
240-471 7 Washington Zone 12 MD VINNVACBDS0  876D ONVOY, LLC - MD 236   2021-04-02   
240-471 8 Washington Zone 12 MD VINNVACBDS0  876D ONVOY, LLC - MD 236   2021-04-02   
240-471 9 Washington Zone 12 MD VINNVACBDS0  876D ONVOY, LLC - MD 236   2025-01-09   
240-472 A Washington Zone 3 MD BTVLMD18GT0  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 236      
240-473 A Washington Zone 13 MD   829J PAETEC ITEL, LLC 236   2025-04-02   
240-473 0 Washington Zone 13 MD   829J PAETEC ITEL, LLC 236      
240-473 1 Washington Zone 13 MD   829J PAETEC ITEL, LLC 236      
240-473 2 Washington Zone 13 MD WASHDCDP8MD  071F BANDWIDTH.COM CLEC, LLC - MD 236   2010-06-26   
240-473 3 Washington Zone 13 MD WASHDCDP8MD  071F BANDWIDTH.COM CLEC, LLC - MD 236   2010-06-26   
240-473 4 Washington Zone 13 MD   829J PAETEC ITEL, LLC 236      
240-473 5 Washington Zone 13 MD   829J PAETEC ITEL, LLC 236      
240-473 6 Washington Zone 13 MD   829J PAETEC ITEL, LLC 236      
240-473 7 Washington Zone 13 MD   829J PAETEC ITEL, LLC 236      
240-473 8 Washington Zone 13 MD BTVLMD12CMA  5562 METROPCS, INC. 236   2020-12-31   
240-473 9 Washington Zone 13 MD   829J PAETEC ITEL, LLC 236      
240-474 A Gaithersburg MD VINNVACB2MD  8697 BALTIMORE-WASHINGTON TELEPHONE (BWT) 236      
240-474 0 Gaithersburg MD VINNVACBDS0  876D ONVOY, LLC - MD 236   2016-03-04   
240-474 1 Gaithersburg MD BTVLMD18GT0  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 236   2015-07-20   
240-474 2 Gaithersburg MD BTVLMD18GT0  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 236   2015-07-20   
240-474 3 Gaithersburg MD BTVLMD18GT0  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 236   2015-07-20   
240-474 4 Gaithersburg MD VINNVACB2MD  8697 BALTIMORE-WASHINGTON TELEPHONE (BWT) 236   2015-07-13   
240-474 5 Gaithersburg MD ARTNVAARXDY  318J COMCAST IP PHONE, LLC 236   2015-09-30   
240-474 6 Gaithersburg MD BTVLMD12CMA  5562 METROPCS, INC. 236   2015-12-10   
240-474 7 Gaithersburg MD BTVLMD18GT0  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 236   2015-10-16   
240-474 8 Gaithersburg MD BTVLMD18GT0  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 236   2016-01-08   
240-474 9 Gaithersburg MD VINNVACBDS0  876D ONVOY, LLC - MD 236   2016-03-04   
240-475 A Washington Zone 3 MD BTVLMD18GT0  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 236      
240-476 A Washington Zone 3 MD BTVLMD12CMA  6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 236      
240-477 A Gaithersburg MD   829J PAETEC ITEL, LLC 236   2025-04-02   
240-477 0 Gaithersburg MD BTVLMD18GT0  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 236   2008-06-09   
240-477 1 Gaithersburg MD   829J PAETEC ITEL, LLC 236   2005-06-19   
240-477 2 Gaithersburg MD BTVLMD18GT0  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 236   2006-04-07   
240-477 3 Gaithersburg MD BTVLMD18GT0  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 236   2006-04-07   
240-477 4 Gaithersburg MD ARTNVAARXDY  318J COMCAST IP PHONE, LLC 236   2006-05-29   
240-477 5 Gaithersburg MD ARTNVAARXDY  318J COMCAST IP PHONE, LLC 236   2006-05-29   
240-477 6 Gaithersburg MD ARTNVAARXDY  318J COMCAST IP PHONE, LLC 236   2006-08-02   
240-477 7 Gaithersburg MD ARTNVAARXDY  318J COMCAST IP PHONE, LLC 236   2006-08-02   
240-477 8 Gaithersburg MD ARTNVAARXDY  318J COMCAST IP PHONE, LLC 236   2006-08-02   
240-477 9 Gaithersburg MD BTVLMD18GT0  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 236   2008-06-09   
240-478 A Washington Zone 3 MD BTVLMD18GT0  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 236      
240-478 0 Washington Zone 3 MD BTVLMD12CMA  6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 236   2006-01-21   
240-478 1 Washington Zone 3 MD BTVLMD18GT0  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 236   2004-09-23   
240-478 2 Washington Zone 3 MD BTVLMD18GT0  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 236   2004-09-23   
240-478 3 Washington Zone 3 MD BTVLMD18GT0  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 236   2004-09-23   
240-478 4 Washington Zone 3 MD BTVLMD12CMA  6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 236   2005-12-10   
240-478 5 Washington Zone 3 MD BTVLMD12CMA  6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 236   2005-12-23   
240-478 6 Washington Zone 3 MD MCLNVA23DS4  6119 LEVEL 3 COMMUNICATIONS, LLC - MD 236   2006-01-28   
240-478 7 Washington Zone 3 MD WASKDCFNAMD  6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD 236   2006-03-04   
240-478 8 Washington Zone 3 MD WASKDCFNAMD  6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD 236   2006-02-03   
240-478 9 Washington Zone 3 MD WASKDCFNAMD  6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD 236   2006-02-03   
240-479 A Washington Zone 2 MD WASKDCFNAMD  6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD 236      
240-479 0 Washington Zone 2 MD WASKDCFNAMD  6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD 236   2008-05-29   
240-479 1 Washington Zone 2 MD WASKDCFNAMD  6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD 236   2008-05-29   
240-479 2 Washington Zone 2 MD   829J PAETEC ITEL, LLC 236   2008-09-25   
240-479 3 Washington Zone 2 MD WASLDCRGDS0  281E YMAX COMMUNICATIONS CORP. - MD 236   2008-10-10   
240-479 4 Washington Zone 2 MD WASHDCDP8MD  071F BANDWIDTH.COM CLEC, LLC - MD 236   2010-02-22   
240-479 5 Washington Zone 2 MD BTVLMD12CMA  6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 236   2008-11-15   
240-479 6 Washington Zone 2 MD BTVLMD12CMA  6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 236   2008-12-01   
240-479 7 Washington Zone 2 MD   829J PAETEC ITEL, LLC 236   2009-11-30   
240-479 8 Washington Zone 2 MD WASKDCFNAMD  6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD 236   2010-06-03   
240-479 9 Washington Zone 2 MD WASHDCDP8MD  071F BANDWIDTH.COM CLEC, LLC - MD 236   2008-12-13   
240-480 A Washington Zone 2 MD BTVLMD12CMA  6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 236      
240-480 0 Washington Zone 2 MD BTVLMD12CMA  6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 236   2010-11-25   
240-480 1 Washington Zone 2 MD BTVLMD12CMA  6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 236   2010-11-25   
240-480 2 Washington Zone 2 MD BTVLMD12CMA  6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 236   2010-11-25   
240-480 3 Washington Zone 2 MD BTVLMD12CMA  6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 236   2010-11-25   
240-480 4 Washington Zone 2 MD BTVLMD12CMA  6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 236   2010-11-25   
240-480 5 Washington Zone 2 MD BTVLMD12CMA  6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 236   2010-11-25   
240-480 6 Washington Zone 2 MD BTVLMD12CMA  6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 236   2010-11-25   
240-480 7 Washington Zone 2 MD BTVLMD12CMA  6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 236   2010-11-25   
240-480 8 Washington Zone 2 MD BTVLMD12CMA  6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 236   2010-11-25   
240-480 9 Washington Zone 2 MD BTVLMD12CMA  5562 METROPCS, INC. 236   2010-11-25   
240-481 A Washington Zone 3 MD BTVLMD12CMA  6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 236      
240-481 0 Washington Zone 3 MD BTVLMD12CMA  6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 236      
240-481 1 Washington Zone 3 MD BTVLMD12CMA  6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 236      
240-481 2 Washington Zone 3 MD BTVLMD12CMA  6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 236      
240-481 3 Washington Zone 3 MD BTVLMD12CMA  6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 236      
240-481 4 Washington Zone 3 MD BTVLMD12CMA  6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 236      
240-481 5 Washington Zone 3 MD BTVLMD12CMA  6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 236      
240-481 6 Washington Zone 3 MD BTVLMD12CMA  6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 236      
240-481 7 Washington Zone 3 MD BTVLMD12CMA  6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 236   2002-12-23   
240-481 8 Washington Zone 3 MD BTVLMD12CMA  6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 236   2002-12-23   
240-481 9 Washington Zone 3 MD BTVLMD12CMA  6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 236      
240-482 A Washington Zone 2 MD   829J PAETEC ITEL, LLC 236   2025-04-02   

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Last updated: Tue, 15 Jul 2025 18:46:49 UTC

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