Local Calling Guide

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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
240-539 6 Washington Zone 4 MD WASKDCFNAMD  6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD 236   2020-09-21   
240-539 7 Washington Zone 4 MD WASKDCFNAMD  6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD 236   2021-06-03   
240-539 8 Washington Zone 4 MD WASKDCFNAMD  6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD 236   2021-01-03   
240-539 9 Washington Zone 4 MD SLSPMD91DS0  568G PEERLESS NETWORK OF MARYLAND, LLC 236      
240-540 A Washington Zone 13 (Baltimore LATA) MD BLTMMDCHX6X  530H WIDE VOICE, LLC - MD 238      
240-540 0 Washington Zone 13 (Baltimore LATA) MD BLTMMDCHX7X  073H TELNYX LLC 238   2019-09-27   
240-540 1 Washington Zone 13 (Baltimore LATA) MD BLTMMDCHX6X  530H WIDE VOICE, LLC - MD 238   2016-11-26   
240-540 3 Washington Zone 13 (Baltimore LATA) MD BLTQMD01DS0  568G PEERLESS NETWORK OF MARYLAND, LLC 238   2020-03-18   
240-540 4 Washington Zone 13 (Baltimore LATA) MD BLTMMDCH42Z  876D ONVOY, LLC - MD 238   2020-04-30   
240-540 5 Washington Zone 13 (Baltimore LATA) MD BLTMMDCH42Z  876D ONVOY, LLC - MD 238   2020-04-30   
240-540 6 Washington Zone 13 (Baltimore LATA) MD BLTMMDCH42Z  876D ONVOY, LLC - MD 238   2021-03-04   
240-540 7 Washington Zone 13 (Baltimore LATA) MD BLTMMDCH42Z  876D ONVOY, LLC - MD 238   2020-06-11   
240-540 8 Washington Zone 13 (Baltimore LATA) MD BLTMMDCH42Z  876D ONVOY, LLC - MD 238   2020-06-11   
240-540 9 Washington Zone 13 (Baltimore LATA) MD BLTMMDCH42Z  876D ONVOY, LLC - MD 238   2020-06-11   
240-541 A Washington Zone 2 MD BTVLMD18GT6  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 236      
240-541 0 Washington Zone 2 MD WASKDCFNAMD  6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD 236   2023-04-22   
240-541 1 Washington Zone 2 MD WASKDCFNAMD  6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD 236   2023-04-22   
240-541 2 Washington Zone 2 MD BTVLMD18GT6  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 236   2023-09-02   
240-541 3 Washington Zone 2 MD BTVLMD18GT6  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 236   2024-02-10   
240-541 4 Washington Zone 2 MD WASKDCFNPS0  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 236   2012-10-16   
240-541 5 Washington Zone 2 MD VINNVACBDS0  876D ONVOY, LLC - MD 236   2012-10-16   
240-541 6 Washington Zone 2 MD WASHDCDTDS1  7529 TELEPORT COMMUNICATIONS AMERICA, LLC - DC 236   2012-10-16   
240-541 7 Washington Zone 2 MD WASHDCDTDS1  7529 TELEPORT COMMUNICATIONS AMERICA, LLC - DC 236   2012-10-16   
240-541 8 Washington Zone 2 MD WASHDCDTDS1  7529 TELEPORT COMMUNICATIONS AMERICA, LLC - DC 236   2012-10-16   
240-541 9 Washington Zone 2 MD WASHDCDTDS1  7529 TELEPORT COMMUNICATIONS AMERICA, LLC - DC 236   2012-10-16   
240-542 A Washington Zone 13 MD TYCRVA03AMD  2589 US LEC OF MARYLAND, INC. 236      
240-542 0 Washington Zone 13 MD TYCRVA03AMD  2589 US LEC OF MARYLAND, INC. 236      
240-542 1 Washington Zone 13 MD TYCRVA03AMD  2589 US LEC OF MARYLAND, INC. 236      
240-542 2 Washington Zone 13 MD TYCRVA03AMD  2589 US LEC OF MARYLAND, INC. 236      
240-542 3 Washington Zone 13 MD TYCRVA03AMD  2589 US LEC OF MARYLAND, INC. 236      
240-542 4 Washington Zone 13 MD ARTNVAARXDY  318J COMCAST IP PHONE, LLC 236   2009-12-11   
240-542 5 Washington Zone 13 MD TYCRVA03AMD  2589 US LEC OF MARYLAND, INC. 236      
240-542 6 Washington Zone 13 MD   515J IP HORIZON LLC 236   2010-08-19   
240-542 7 Washington Zone 13 MD WASHDCDP8MD  071F BANDWIDTH.COM CLEC, LLC - MD 236   2010-08-19   
240-542 8 Washington Zone 13 MD WASHDCDP8MD  071F BANDWIDTH.COM CLEC, LLC - MD 236   2010-11-22   
240-542 9 Washington Zone 13 MD WASHDCDP8MD  071F BANDWIDTH.COM CLEC, LLC - MD 236   2011-01-27   
240-543 A Washington Zone 2 MD BTVLMD12CMA  6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 236      
240-543 0 Washington Zone 2 MD BTVLMD12CMA  6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 236   2006-10-30   
240-543 1 Washington Zone 2 MD BTVLMD12CMA  6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 236   2006-12-04   
240-543 2 Washington Zone 2 MD BTVLMD12CMA  6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 236   2007-10-09   
240-543 3 Washington Zone 2 MD BTVLMD12CMA  6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 236   2006-10-11   
240-543 4 Washington Zone 2 MD BTVLMD12CMA  6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 236   2006-10-11   
240-543 5 Washington Zone 2 MD BTVLMD12CMA  6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 236   2006-10-11   
240-543 6 Washington Zone 2 MD BTVLMD12CMA  6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 236   2006-11-30   
240-543 7 Washington Zone 2 MD BTVLMD12CMA  6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 236   2006-11-30   
240-543 8 Washington Zone 2 MD BTVLMD12CMA  6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 236   2006-09-15   
240-543 9 Washington Zone 2 MD BTVLMD12CMA  6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 236   2006-09-15   
240-544 A Washington Zone 14 MD TYCRVA03AMD  2589 US LEC OF MARYLAND, INC. 236      
240-544 0 Washington Zone 14 MD TYCRVA03AMD  2589 US LEC OF MARYLAND, INC. 236      
240-544 1 Washington Zone 14 MD TYCRVA03AMD  2589 US LEC OF MARYLAND, INC. 236      
240-544 2 Washington Zone 14 MD TYCRVA03AMD  2589 US LEC OF MARYLAND, INC. 236      
240-544 3 Washington Zone 14 MD TYCRVA03AMD  2589 US LEC OF MARYLAND, INC. 236      
240-544 4 Washington Zone 14 MD LARLMDCCDS0  4492 VDL, INC. DBA GLOBAL TELECOM BROKERS - MD 236   2004-04-06   
240-544 5 Washington Zone 14 MD TYCRVA03AMD  2589 US LEC OF MARYLAND, INC. 236      
240-544 6 Washington Zone 14 MD WASHDCDP8MD  071F BANDWIDTH.COM CLEC, LLC - MD 236   2015-05-14   
240-544 7 Washington Zone 14 MD WASHDCDP8MD  071F BANDWIDTH.COM CLEC, LLC - MD 236   2015-05-14   
240-544 8 Washington Zone 14 MD BTVLMD12CMA  6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 236   2014-02-09   
240-544 9 Washington Zone 14 MD   2593 CORE COMMUNICATIONS, INC.- MD 236   2018-10-23   
240-545 A Washington Zone 15 MD TYCRVA03AMD  2589 US LEC OF MARYLAND, INC. 236      
240-545 0 Washington Zone 15 MD TYCRVA03AMD  2589 US LEC OF MARYLAND, INC. 236      
240-545 1 Washington Zone 15 MD TYCRVA03AMD  2589 US LEC OF MARYLAND, INC. 236      
240-545 2 Washington Zone 15 MD TYCRVA03AMD  2589 US LEC OF MARYLAND, INC. 236      
240-545 3 Washington Zone 15 MD TYCRVA03AMD  2589 US LEC OF MARYLAND, INC. 236      
240-545 4 Washington Zone 15 MD TYCRVA03AMD  2589 US LEC OF MARYLAND, INC. 236      
240-545 5 Washington Zone 15 MD WASHDCDP8MD  071F BANDWIDTH.COM CLEC, LLC - MD 236   2007-10-22   
240-545 6 Washington Zone 15 MD WASHDC127MD  073H TELNYX LLC 236   2017-04-27   
240-545 7 Washington Zone 15 MD WASHDC12DS6  568G PEERLESS NETWORK OF MARYLAND, LLC 236   2010-08-19   
240-545 8 Washington Zone 15 MD WASHDCDP8MD  071F BANDWIDTH.COM CLEC, LLC - MD 236   2010-08-19   
240-546 A Washington Zone 16 MD TYCRVA03AMD  2589 US LEC OF MARYLAND, INC. 236      
240-546 0 Washington Zone 16 MD TYCRVA03AMD  2589 US LEC OF MARYLAND, INC. 236      
240-546 1 Washington Zone 16 MD TYCRVA03AMD  2589 US LEC OF MARYLAND, INC. 236      
240-546 2 Washington Zone 16 MD TYCRVA03AMD  2589 US LEC OF MARYLAND, INC. 236      
240-546 3 Washington Zone 16 MD TYCRVA03AMD  2589 US LEC OF MARYLAND, INC. 236      
240-546 4 Washington Zone 16 MD TYCRVA03AMD  2589 US LEC OF MARYLAND, INC. 236      
240-546 5 Washington Zone 16 MD   2593 CORE COMMUNICATIONS, INC.- MD 236   2018-06-16   
240-546 6 Washington Zone 16 MD VINNVACBDS0  876D ONVOY, LLC - MD 236   2015-06-27   
240-546 7 Washington Zone 16 MD   2593 CORE COMMUNICATIONS, INC.- MD 236   2018-06-16   
240-546 8 Washington Zone 16 MD   515J IP HORIZON LLC 236   2016-05-31   
240-546 9 Washington Zone 16 MD   2593 CORE COMMUNICATIONS, INC.- MD 236   2019-05-01   
240-547 A Laurel MD MCLNVA23DS4  6119 LEVEL 3 COMMUNICATIONS, LLC - MD 236      
240-547 0 Laurel MD MCLNVA23DS4  6119 LEVEL 3 COMMUNICATIONS, LLC - MD 236   2005-07-15   
240-547 1 Laurel MD MCLNVA23DS4  6119 LEVEL 3 COMMUNICATIONS, LLC - MD 236   2005-07-15   
240-547 2 Laurel MD MCLNVA23DS4  6119 LEVEL 3 COMMUNICATIONS, LLC - MD 236      
240-547 3 Laurel MD MCLNVA23DS4  6119 LEVEL 3 COMMUNICATIONS, LLC - MD 236   2005-07-15   
240-547 4 Laurel MD MCLNVA23DS4  6119 LEVEL 3 COMMUNICATIONS, LLC - MD 236      
240-547 5 Laurel MD MCLNVA23DS4  6119 LEVEL 3 COMMUNICATIONS, LLC - MD 236   2005-07-15   
240-547 6 Laurel MD BLTMMDCHXNX  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 236   2006-10-27   
240-547 7 Laurel MD BTVLMD12CMA  6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 236   2008-08-18   
240-547 8 Laurel MD BTVLMD12CMA  6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 236   2008-11-15   
240-547 9 Laurel MD WASHDCDP8MD  071F BANDWIDTH.COM CLEC, LLC - MD 236   2008-12-13   
240-548 A Washington Zone 14 MD CHCHMDBEPS0  2593 CORE COMMUNICATIONS, INC.- MD 236   2024-01-16   
240-548 0 Washington Zone 14 MD BTVLMD12CMA  6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 236   2023-09-30   
240-548 1 Washington Zone 14 MD WASKDCFNPS0  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 236      
240-548 2 Washington Zone 14 MD   2593 CORE COMMUNICATIONS, INC.- MD 236   2018-10-23   
240-548 3 Washington Zone 14 MD WASHDCDP8MD  071F BANDWIDTH.COM CLEC, LLC - MD 236   2015-05-14   
240-548 4 Washington Zone 14 MD   2593 CORE COMMUNICATIONS, INC.- MD 236   2018-10-23   
240-548 5 Washington Zone 14 MD   2593 CORE COMMUNICATIONS, INC.- MD 236   2018-10-23   
240-548 6 Washington Zone 14 MD   2593 CORE COMMUNICATIONS, INC.- MD 236   2018-10-23   
240-548 7 Washington Zone 14 MD BTVLMD12CMA  6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 236   2014-12-13   
240-548 8 Washington Zone 14 MD BTVLMD12CMA  6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 236   2016-04-30   

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Last updated: Sun, 26 Jan 2025 15:59:20 UTC

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