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
240-252 4 Gaithersburg MD   6119 LEVEL 3 COMMUNICATIONS, LLC - MD 236      
240-252 5 Gaithersburg MD   6119 LEVEL 3 COMMUNICATIONS, LLC - MD 236   2005-03-18   
240-252 6 Gaithersburg MD   6119 LEVEL 3 COMMUNICATIONS, LLC - MD 236   2005-03-18   
240-252 7 Gaithersburg MD   6119 LEVEL 3 COMMUNICATIONS, LLC - MD 236   2005-03-18   
240-252 8 Gaithersburg MD   4036 NEW CINGULAR WIRELESS PCS, LLC - DC 236   2006-09-18   
240-252 9 Gaithersburg MD   4036 NEW CINGULAR WIRELESS PCS, LLC - DC 236   2004-03-03   
240-253 A Washington Zone 6 MD WASJDCDCDS0  6050 GLOBAL CROSSING LOCAL SERVICES, INC.-MD 236      
240-253 0 Washington Zone 6 MD   6050 GLOBAL CROSSING LOCAL SERVICES, INC.-MD 236      
240-253 1 Washington Zone 6 MD   6050 GLOBAL CROSSING LOCAL SERVICES, INC.-MD 236      
240-253 2 Washington Zone 6 MD   318J COMCAST IP PHONE LLC 236   2006-03-03   
240-253 3 Washington Zone 6 MD   6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 236   2006-12-15   
240-253 4 Washington Zone 6 MD   6050 GLOBAL CROSSING LOCAL SERVICES, INC.-MD 236      
240-253 5 Washington Zone 6 MD   6050 GLOBAL CROSSING LOCAL SERVICES, INC.-MD 236      
240-253 6 Washington Zone 6 MD   071F BANDWIDTH.COM CLEC, LLC - MD 236   2013-04-22   
240-253 7 Washington Zone 6 MD   6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 236   2007-08-28   
240-253 8 Washington Zone 6 MD   6050 GLOBAL CROSSING LOCAL SERVICES, INC.-MD 236      
240-253 9 Washington Zone 6 MD   6050 GLOBAL CROSSING LOCAL SERVICES, INC.-MD 236      
240-254 A Hughesville MD WASHDCTTDS0  7529 TELEPORT COMMUNICATIONS AMERICA, LLC - DC 236      
240-254 0 Hughesville MD   4773 XO MARYLAND, LLC 236   2005-08-15   
240-254 1 Hughesville MD   2589 US LEC OF MARYLAND, INC. 236   2004-02-05   
240-254 2 Hughesville MD   318J COMCAST IP PHONE LLC 236   2005-07-25   
240-254 3 Hughesville MD   4773 XO MARYLAND, LLC 236   2005-08-15   
240-254 4 Hughesville MD   6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 236   2015-04-12   
240-254 5 Hughesville MD   4773 XO MARYLAND, LLC 236   2005-08-15   
240-254 6 Hughesville MD   4773 XO MARYLAND, LLC 236   2005-08-15   
240-254 7 Hughesville MD   6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 236   2014-10-10   
240-254 8 Hughesville MD   2593 CORE COMMUNICATIONS, INC. - MD 236   2004-03-26   
240-254 9 Hughesville MD   7529 TELEPORT COMMUNICATIONS AMERICA, LLC - DC 236      
240-255 A Poolesville MD WASHDC12DS6  568G PEERLESS NETWORK OF MARYLAND, LLC 236      
240-255 5 Poolesville MD   145J TERRA NOVA TELECOM INC. 236   2021-01-23   
240-255 6 Poolesville MD   568G PEERLESS NETWORK OF MARYLAND, LLC 236   2021-03-24   
240-255 8 Poolesville MD   6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD 236   2020-10-26   
240-255 9 Poolesville MD   568G PEERLESS NETWORK OF MARYLAND, LLC 236      
240-256 A Leonardtown MD WASHDCTTDS0  7529 TELEPORT COMMUNICATIONS AMERICA, LLC - DC 236      
240-256 0 Leonardtown MD   4036 NEW CINGULAR WIRELESS PCS, LLC - DC 236   2003-02-27   
240-256 1 Leonardtown MD   2589 US LEC OF MARYLAND, INC. 236   2004-02-05   
240-256 2 Leonardtown MD   6664 SPRINT SPECTRUM L.P. 236   2004-02-28   
240-256 3 Leonardtown MD   6119 LEVEL 3 COMMUNICATIONS, LLC - MD 236   2006-03-03   
240-256 4 Leonardtown MD   6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD 236   2014-11-15   
240-256 5 Leonardtown MD   4036 NEW CINGULAR WIRELESS PCS, LLC - DC 236   2004-05-16   
240-256 6 Leonardtown MD   073H TELNYX LLC 236   2017-03-14   
240-256 7 Leonardtown MD   4773 XO MARYLAND, LLC 236   2005-08-15   
240-256 8 Leonardtown MD   4773 XO MARYLAND, LLC 236   2005-08-15   
240-256 9 Leonardtown MD   7529 TELEPORT COMMUNICATIONS AMERICA, LLC - DC 236      
240-257 A Nanjemoy MD WASHDCTTDS0  7529 TELEPORT COMMUNICATIONS AMERICA, LLC - DC 236      
240-257 0 Nanjemoy MD   6119 LEVEL 3 COMMUNICATIONS, LLC - MD 236   2006-03-05   
240-257 1 Nanjemoy MD   2589 US LEC OF MARYLAND, INC. 236   2004-02-04   
240-257 2 Nanjemoy MD   071F BANDWIDTH.COM CLEC, LLC - MD 236   2010-08-13   
240-257 3 Nanjemoy MD   071F BANDWIDTH.COM CLEC, LLC - MD 236   2010-08-13   
240-257 4 Nanjemoy MD   6119 LEVEL 3 COMMUNICATIONS, LLC - MD 236   2011-12-02   

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

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