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
240-245 2 Washington Zone 14 MD   876D ONVOY, LLC - MD 236   2012-10-07   
240-245 3 Washington Zone 14 MD   318J COMCAST IP PHONE LLC 236   2007-05-02   
240-245 4 Washington Zone 14 MD   318J COMCAST IP PHONE LLC 236   2006-10-21   
240-245 5 Washington Zone 14 MD   071F BANDWIDTH.COM CLEC, LLC - MD 236   2010-08-19   
240-245 6 Washington Zone 14 MD   071F BANDWIDTH.COM CLEC, LLC - MD 236   2010-08-19   
240-245 7 Washington Zone 14 MD   071F BANDWIDTH.COM CLEC, LLC - MD 236   2011-05-20   
240-245 8 Washington Zone 14 MD   8832 STARPOWER COMMUNICATIONS, LLC - MD 236      
240-245 9 Washington Zone 14 MD   082H LOCAL ACCESS LLC - MD 236   2013-09-06   
240-246 A Gaithersburg MD LNHMMDADGT0  8832 STARPOWER COMMUNICATIONS, LLC - MD 236      
240-246 0 Gaithersburg MD   8832 STARPOWER COMMUNICATIONS, LLC - MD 236      
240-246 1 Gaithersburg MD   8832 STARPOWER COMMUNICATIONS, LLC - MD 236      
240-246 2 Gaithersburg MD   8832 STARPOWER COMMUNICATIONS, LLC - MD 236      
240-246 3 Gaithersburg MD   6664 SPRINT SPECTRUM L.P. 236   2005-07-02   
240-246 4 Gaithersburg MD   4036 NEW CINGULAR WIRELESS PCS, LLC - DC 236   2005-01-03   
240-246 5 Gaithersburg MD   4036 NEW CINGULAR WIRELESS PCS, LLC - DC 236   2005-01-03   
240-246 6 Gaithersburg MD   4036 NEW CINGULAR WIRELESS PCS, LLC - DC 236   2005-01-03   
240-246 7 Gaithersburg MD   318J COMCAST IP PHONE LLC 236   2005-07-25   
240-246 8 Gaithersburg MD   8832 STARPOWER COMMUNICATIONS, LLC - MD 236      
240-246 9 Gaithersburg MD   8832 STARPOWER COMMUNICATIONS, LLC - MD 236      
240-247 A Washington Zone 3 MD WASHDCRKDS3  8992 ALLEGIANCE TELECOM, INC. - MD 236      
240-247 0 Washington Zone 3 MD   8992 ALLEGIANCE TELECOM, INC. - MD 236      
240-247 1 Washington Zone 3 MD   8992 ALLEGIANCE TELECOM, INC. - MD 236      
240-247 2 Washington Zone 3 MD   8992 ALLEGIANCE TELECOM, INC. - MD 236      
240-247 3 Washington Zone 3 MD   8992 ALLEGIANCE TELECOM, INC. - MD 236      
240-247 4 Washington Zone 3 MD   8992 ALLEGIANCE TELECOM, INC. - MD 236      
240-247 5 Washington Zone 3 MD   8992 ALLEGIANCE TELECOM, INC. - MD 236      
240-247 6 Washington Zone 3 MD   8992 ALLEGIANCE TELECOM, INC. - MD 236      
240-247 7 Washington Zone 3 MD   4036 NEW CINGULAR WIRELESS PCS, LLC - DC 236   2003-11-04   
240-247 8 Washington Zone 3 MD   8992 ALLEGIANCE TELECOM, INC. - MD 236      
240-247 9 Washington Zone 3 MD   8992 ALLEGIANCE TELECOM, INC. - MD 236      
240-248 A Ridge MD WASHDC12DS6  568G PEERLESS NETWORK OF MARYLAND, LLC 236      
240-248 9 Ridge MD   568G PEERLESS NETWORK OF MARYLAND, LLC 236      
240-249 A Mechanicsville MD WASHDCTTDS0  7529 TELEPORT COMMUNICATIONS AMERICA, LLC - DC 236      
240-249 0 Mechanicsville MD   6119 LEVEL 3 COMMUNICATIONS, LLC - MD 236   2006-03-03   
240-249 1 Mechanicsville MD   2589 US LEC OF MARYLAND, INC. 236   2004-02-04   
240-249 2 Mechanicsville MD   071F BANDWIDTH.COM CLEC, LLC - MD 236   2012-06-25   
240-249 3 Mechanicsville MD   318J COMCAST IP PHONE LLC 236   2005-07-25   
240-249 4 Mechanicsville MD   876D ONVOY, LLC - MD 236   2016-03-14   
240-249 5 Mechanicsville MD   071F BANDWIDTH.COM CLEC, LLC - MD 236   2010-10-17   
240-249 6 Mechanicsville MD   228C IDT AMERICA CORP - MD 236   2007-09-12   
240-249 7 Mechanicsville MD   876D ONVOY, LLC - MD 236   2016-03-14   
240-249 8 Mechanicsville MD   6119 LEVEL 3 COMMUNICATIONS, LLC - MD 236   2008-08-13   
240-249 9 Mechanicsville MD   7529 TELEPORT COMMUNICATIONS AMERICA, LLC - DC 236      
240-250 A Brandywine MD WASHDC12DS6  568G PEERLESS NETWORK OF MARYLAND, LLC 236      
240-251 A Highfield MD FRDRMDFRPS0  2593 CORE COMMUNICATIONS, INC. - MD 240      
240-252 A Gaithersburg MD MCLNVA23DS4  6119 LEVEL 3 COMMUNICATIONS, LLC - MD 236      
240-252 0 Gaithersburg MD   4036 NEW CINGULAR WIRELESS PCS, LLC - DC 236   2004-03-03   
240-252 1 Gaithersburg MD   6119 LEVEL 3 COMMUNICATIONS, LLC - MD 236   2005-03-18   
240-252 2 Gaithersburg MD   6119 LEVEL 3 COMMUNICATIONS, LLC - MD 236   2011-02-03   
240-252 3 Gaithersburg MD   6119 LEVEL 3 COMMUNICATIONS, LLC - MD 236   2005-03-18   

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

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