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
240-394 0 Mount Airy MD   4036 NEW CINGULAR WIRELESS PCS, LLC - DC 240   2005-02-03   
240-394 1 Mount Airy MD   071F BANDWIDTH.COM CLEC, LLC - MD 240   2010-02-22   
240-394 2 Mount Airy MD   4036 NEW CINGULAR WIRELESS PCS, LLC - DC 240   2005-02-03   
240-394 3 Mount Airy MD   7228 MCI WORLDCOM COMMUNICATIONS, INC. - MD 240   2010-02-01   
240-394 4 Mount Airy MD   6119 LEVEL 3 COMMUNICATIONS, LLC - MD 240   2008-03-13   
240-394 5 Mount Airy MD   071F BANDWIDTH.COM CLEC, LLC - MD 240   2010-08-08   
240-394 6 Mount Airy MD   071F BANDWIDTH.COM CLEC, LLC - MD 240   2011-07-31   
240-394 7 Mount Airy MD   071F BANDWIDTH.COM CLEC, LLC - MD 240   2011-08-17   
240-394 8 Mount Airy MD   071F BANDWIDTH.COM CLEC, LLC - MD 240   2011-09-02   
240-394 9 Mount Airy MD   071F BANDWIDTH.COM CLEC, LLC - MD 240   2008-12-04   
240-395 A Washington Zone 2 MD HRNDVA13DS0  3910 CAVALIER TELEPHONE MID-ATLANTIC, LLC - MD 236      
240-395 0 Washington Zone 2 MD   3910 CAVALIER TELEPHONE MID-ATLANTIC, LLC - MD 236      
240-395 1 Washington Zone 2 MD   3910 CAVALIER TELEPHONE MID-ATLANTIC, LLC - MD 236      
240-395 2 Washington Zone 2 MD   3910 CAVALIER TELEPHONE MID-ATLANTIC, LLC - MD 236      
240-395 3 Washington Zone 2 MD   6664 SPRINT SPECTRUM L.P. 236   2005-05-09   
240-395 4 Washington Zone 2 MD   3910 CAVALIER TELEPHONE MID-ATLANTIC, LLC - MD 236      
240-395 5 Washington Zone 2 MD   3910 CAVALIER TELEPHONE MID-ATLANTIC, LLC - MD 236      
240-395 6 Washington Zone 2 MD   6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD 236   2020-12-04   
240-395 7 Washington Zone 2 MD   6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD 236   2020-12-04   
240-395 8 Washington Zone 2 MD   3910 CAVALIER TELEPHONE MID-ATLANTIC, LLC - MD 236      
240-395 9 Washington Zone 2 MD   3910 CAVALIER TELEPHONE MID-ATLANTIC, LLC - MD 236      
240-396 A Washington Zone 2 MD WASJDCDCDS0  6050 GLOBAL CROSSING LOCAL SERVICES, INC.-MD 236      
240-396 0 Washington Zone 2 MD   6050 GLOBAL CROSSING LOCAL SERVICES, INC.-MD 236      
240-396 1 Washington Zone 2 MD   6119 LEVEL 3 COMMUNICATIONS, LLC - MD 236      
240-396 2 Washington Zone 2 MD   6050 GLOBAL CROSSING LOCAL SERVICES, INC.-MD 236      
240-396 3 Washington Zone 2 MD   6664 SPRINT SPECTRUM L.P. 236   2005-09-05   
240-396 4 Washington Zone 2 MD   6050 GLOBAL CROSSING LOCAL SERVICES, INC.-MD 236      
240-396 5 Washington Zone 2 MD   6050 GLOBAL CROSSING LOCAL SERVICES, INC.-MD 236      
240-396 6 Washington Zone 2 MD   318J COMCAST IP PHONE LLC 236   2005-07-25   
240-396 7 Washington Zone 2 MD   6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 236   2006-02-03   
240-396 8 Washington Zone 2 MD   6664 SPRINT SPECTRUM L.P. 236   2005-12-16   
240-396 9 Washington Zone 2 MD   6050 GLOBAL CROSSING LOCAL SERVICES, INC.-MD 236      
240-397 A Frederick MD FRDRMDFRXSX  6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD 240      
240-397 0 Frederick MD   6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD 240   2009-05-07   
240-397 1 Frederick MD   6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD 240   2009-10-02   
240-397 2 Frederick MD   2589 US LEC OF MARYLAND, INC. 240   2009-11-04   
240-397 3 Frederick MD   6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD 240   2010-01-19   
240-397 4 Frederick MD   6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD 240   2010-05-03   
240-397 5 Frederick MD   071F BANDWIDTH.COM CLEC, LLC - MD 240   2010-11-29   
240-397 6 Frederick MD   071F BANDWIDTH.COM CLEC, LLC - MD 240   2010-06-26   
240-397 7 Frederick MD   7228 MCI WORLDCOM COMMUNICATIONS, INC. - MD 240   2009-11-30   
240-397 8 Frederick MD   071F BANDWIDTH.COM CLEC, LLC - MD 240   2010-02-22   
240-397 9 Frederick MD   071F BANDWIDTH.COM CLEC, LLC - MD 240   2010-02-22   
240-398 A Washington Zone 3 MD WASHDCSWXCZ  6664 SPRINT SPECTRUM L.P. 236      
240-398 0 Washington Zone 3 MD   6664 SPRINT SPECTRUM L.P. 236   2002-10-17   
240-398 1 Washington Zone 3 MD   6664 SPRINT SPECTRUM L.P. 236   2003-10-11   
240-398 2 Washington Zone 3 MD   6664 SPRINT SPECTRUM L.P. 236   2003-10-11   
240-398 3 Washington Zone 3 MD   6119 LEVEL 3 COMMUNICATIONS, LLC - MD 236   2005-04-03   
240-398 4 Washington Zone 3 MD   6664 SPRINT SPECTRUM L.P. 236   2003-10-11   
240-398 5 Washington Zone 3 MD   2589 US LEC OF MARYLAND, INC. 236   2004-11-21   

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Last updated: Sun, 04 Apr 2021 19:28:27 UTC

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