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
240-763 8 Washington Zone 15 (Baltimore LATA) MD   876D ONVOY, LLC - MD 238   2019-02-19   
240-763 9 Washington Zone 15 (Baltimore LATA) MD   073H TELNYX LLC 238   2017-04-26   
240-764 A Washington Zone 4 MD WASHDCCZDS0  4773 XO MARYLAND, LLC 236      
240-764 0 Washington Zone 4 MD   4773 XO MARYLAND, LLC 236      
240-764 1 Washington Zone 4 MD   4773 XO MARYLAND, LLC 236      
240-764 2 Washington Zone 4 MD   4773 XO MARYLAND, LLC 236   2005-08-15   
240-764 3 Washington Zone 4 MD   4773 XO MARYLAND, LLC 236   2005-08-15   
240-764 4 Washington Zone 4 MD   6119 LEVEL 3 COMMUNICATIONS, LLC - MD 236   2003-01-12   
240-764 5 Washington Zone 4 MD   318J COMCAST IP PHONE LLC 236   2007-09-19   
240-764 6 Washington Zone 4 MD   318J COMCAST IP PHONE LLC 236   2007-09-19   
240-764 7 Washington Zone 4 MD   318J COMCAST IP PHONE LLC 236   2007-09-19   
240-764 8 Washington Zone 4 MD   318J COMCAST IP PHONE LLC 236   2007-09-19   
240-764 9 Washington Zone 4 MD   6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 236   2013-05-20   
240-765 A Washington Zone 5 MD WASHDCCZDS0  4773 XO MARYLAND, LLC 236      
240-765 0 Washington Zone 5 MD   4773 XO MARYLAND, LLC 236      
240-765 1 Washington Zone 5 MD   4773 XO MARYLAND, LLC 236      
240-765 2 Washington Zone 5 MD   6664 SPRINT SPECTRUM L.P. 236   2004-02-17   
240-765 3 Washington Zone 5 MD   2593 CORE COMMUNICATIONS, INC. - MD 236   2019-03-29   
240-765 4 Washington Zone 5 MD   6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 236   2007-11-11   
240-765 5 Washington Zone 5 MD   6664 SPRINT SPECTRUM L.P. 236   2004-09-13   
240-765 6 Washington Zone 5 MD   4773 XO MARYLAND, LLC 236      
240-765 7 Washington Zone 5 MD   281E YMAX COMMUNICATIONS CORP. - MD 236   2008-10-10   
240-765 8 Washington Zone 5 MD   6664 SPRINT SPECTRUM L.P. 236   2005-02-20   
240-765 9 Washington Zone 5 MD   6664 SPRINT SPECTRUM L.P. 236   2005-02-20   
240-766 A Washington Zone 6 MD WASHDCCZDS0  4773 XO MARYLAND, LLC 236      
240-766 0 Washington Zone 6 MD   4773 XO MARYLAND, LLC 236      
240-766 1 Washington Zone 6 MD   4773 XO MARYLAND, LLC 236      
240-766 2 Washington Zone 6 MD   318J COMCAST IP PHONE LLC 236   2014-02-14   
240-766 3 Washington Zone 6 MD   4773 XO MARYLAND, LLC 236      
240-766 4 Washington Zone 6 MD   318J COMCAST IP PHONE LLC 236   2014-09-14   
240-766 5 Washington Zone 6 MD   071F BANDWIDTH.COM CLEC, LLC - MD 236   2015-05-14   
240-766 6 Washington Zone 6 MD   6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 236   2013-12-27   
240-766 7 Washington Zone 6 MD   071F BANDWIDTH.COM CLEC, LLC - MD 236   2007-09-13   
240-766 8 Washington Zone 6 MD   6119 LEVEL 3 COMMUNICATIONS, LLC - MD 236   2008-02-29   
240-766 9 Washington Zone 6 MD   6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 236   2013-12-27   
240-767 A Washington Zone 5 MD WASJDCDBDS1  4820 CAVALIER EAST LLC - MD 236      
240-767 0 Washington Zone 5 MD   4820 CAVALIER EAST LLC - MD 236      
240-767 1 Washington Zone 5 MD   4820 CAVALIER EAST LLC - MD 236      
240-767 2 Washington Zone 5 MD   4820 CAVALIER EAST LLC - MD 236      
240-767 3 Washington Zone 5 MD   4820 CAVALIER EAST LLC - MD 236      
240-767 4 Washington Zone 5 MD   6119 LEVEL 3 COMMUNICATIONS, LLC - MD 236   2008-02-13   
240-767 5 Washington Zone 5 MD   4820 CAVALIER EAST LLC - MD 236      
240-767 6 Washington Zone 5 MD   6119 LEVEL 3 COMMUNICATIONS, LLC - MD 236   2008-02-13   
240-767 7 Washington Zone 5 MD   4492 VDL, INC. DBA GLOBAL TELECOM BROKERS - MD 236   2004-04-06   
240-767 8 Washington Zone 5 MD   6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD 236   2021-01-03   
240-767 9 Washington Zone 5 MD   4820 CAVALIER EAST LLC - MD 236      
240-770 A Washington Zone 4 MD ARTNVAARXDY  318J COMCAST IP PHONE LLC 236   2021-01-26   
240-770 0 Washington Zone 4 MD   6119 LEVEL 3 COMMUNICATIONS, LLC - MD 236   2008-02-13   
240-770 1 Washington Zone 4 MD   071F BANDWIDTH.COM CLEC, LLC - MD 236   2010-11-29   
240-770 2 Washington Zone 4 MD   6119 LEVEL 3 COMMUNICATIONS, LLC - MD 236   2008-02-13   

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

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