Local Calling Guide

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Search area code/prefix (NPA/NXX)
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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
240-289 2 Washington Zone 6 MD   6119 LEVEL 3 COMMUNICATIONS, LLC - MD 236   2008-02-13   
240-289 3 Washington Zone 6 MD   6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 236   2008-02-04   
240-289 4 Washington Zone 6 MD   3910 CAVALIER TELEPHONE MID-ATLANTIC, LLC - MD 236      
240-289 5 Washington Zone 6 MD   876D ONVOY, LLC - MD 236   2020-06-11   
240-289 6 Washington Zone 6 MD   876D ONVOY, LLC - MD 236   2020-06-11   
240-289 7 Washington Zone 6 MD   876D ONVOY, LLC - MD 236   2020-06-11   
240-289 8 Washington Zone 6 MD   876D ONVOY, LLC - MD 236   2020-06-11   
240-289 9 Washington Zone 6 MD   3910 CAVALIER TELEPHONE MID-ATLANTIC, LLC - MD 236      
240-290 A Washington Zone 11 MD WASHDCRKDS3  8992 ALLEGIANCE TELECOM, INC. - MD 236      
240-290 0 Washington Zone 11 MD   8992 ALLEGIANCE TELECOM, INC. - MD 236      
240-290 1 Washington Zone 11 MD   8992 ALLEGIANCE TELECOM, INC. - MD 236      
240-290 2 Washington Zone 11 MD   8992 ALLEGIANCE TELECOM, INC. - MD 236      
240-290 3 Washington Zone 11 MD   8992 ALLEGIANCE TELECOM, INC. - MD 236      
240-290 4 Washington Zone 11 MD   8992 ALLEGIANCE TELECOM, INC. - MD 236      
240-290 5 Washington Zone 11 MD   876D ONVOY, LLC - MD 236   2020-07-04   
240-290 6 Washington Zone 11 MD   8992 ALLEGIANCE TELECOM, INC. - MD 236      
240-290 7 Washington Zone 11 MD   8992 ALLEGIANCE TELECOM, INC. - MD 236      
240-290 8 Washington Zone 11 MD   8992 ALLEGIANCE TELECOM, INC. - MD 236      
240-290 9 Washington Zone 11 MD   8992 ALLEGIANCE TELECOM, INC. - MD 236      
240-291 A Hagerstown MD MNRVMDMOXFX  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 240      
240-291 0 Hagerstown MD   4036 NEW CINGULAR WIRELESS PCS, LLC - DC 240   2002-12-07   
240-291 1 Hagerstown MD   4036 NEW CINGULAR WIRELESS PCS, LLC - DC 240   2003-11-04   
240-291 2 Hagerstown MD   4036 NEW CINGULAR WIRELESS PCS, LLC - DC 240   2004-06-12   
240-291 3 Hagerstown MD   6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 240   2004-02-22   
240-291 4 Hagerstown MD   6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 240   2004-02-29   
240-291 5 Hagerstown MD   6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 240   2005-01-22   
240-291 6 Hagerstown MD   4036 NEW CINGULAR WIRELESS PCS, LLC - DC 240   2005-03-11   
240-291 7 Hagerstown MD   6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 240   2005-06-19   
240-291 8 Hagerstown MD   4036 NEW CINGULAR WIRELESS PCS, LLC - DC 240   2004-10-08   
240-291 9 Hagerstown MD   4749 TELCOVE OPERATIONS, INC. - MD 240   2003-11-09   
240-292 A Washington Zone 11 MD WHTNMDWTDS0  9212 VERIZON MARYLAND, INC. 236      
240-292 0 Washington Zone 11 MD   6119 LEVEL 3 COMMUNICATIONS, LLC - MD 236   2005-02-17   
240-292 1 Washington Zone 11 MD   6119 LEVEL 3 COMMUNICATIONS, LLC - MD 236   2005-02-17   
240-292 2 Washington Zone 11 MD   9212 VERIZON MARYLAND, INC. 236      
240-292 3 Washington Zone 11 MD   2593 CORE COMMUNICATIONS, INC. - MD 236   2019-04-29   
240-292 4 Washington Zone 11 MD   6119 LEVEL 3 COMMUNICATIONS, LLC - MD 236   2003-01-12   
240-292 5 Washington Zone 11 MD   7591 LEVEL 3 TELECOM OF MARYLAND, LLC - MD 236   2009-05-14   
240-292 6 Washington Zone 11 MD   6119 LEVEL 3 COMMUNICATIONS, LLC - MD 236   2006-04-24   
240-292 7 Washington Zone 11 MD   4773 XO MARYLAND, LLC 236   2007-07-29   
240-292 8 Washington Zone 11 MD   071F BANDWIDTH.COM CLEC, LLC - MD 236   2010-10-28   
240-292 9 Washington Zone 11 MD   071F BANDWIDTH.COM CLEC, LLC - MD 236   2011-05-07   
240-293 A Washington Zone 12 MD LNHMMDADGT0  8832 STARPOWER COMMUNICATIONS, LLC - MD 236      
240-293 0 Washington Zone 12 MD   071F BANDWIDTH.COM CLEC, LLC - MD 236   2010-10-28   
240-293 1 Washington Zone 12 MD   8992 ALLEGIANCE TELECOM, INC. - MD 236   2002-07-08   
240-293 2 Washington Zone 12 MD   6119 LEVEL 3 COMMUNICATIONS, LLC - MD 236   2005-01-04   
240-293 3 Washington Zone 12 MD   6119 LEVEL 3 COMMUNICATIONS, LLC - MD 236   2005-01-04   
240-293 4 Washington Zone 12 MD   6119 LEVEL 3 COMMUNICATIONS, LLC - MD 236   2003-02-17   
240-293 5 Washington Zone 12 MD   6119 LEVEL 3 COMMUNICATIONS, LLC - MD 236   2006-04-07   
240-293 6 Washington Zone 12 MD   318J COMCAST IP PHONE LLC 236   2005-07-25   
240-293 7 Washington Zone 12 MD   6119 LEVEL 3 COMMUNICATIONS, LLC - MD 236   2006-07-10   

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

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