Local Calling Guide

Area code/prefix search

Search area code/prefix (NPA/NXX)
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NPA: 240 [Rate centres in NPA 240] [Dial plan for NPA 240]

NXX: 839

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
240-839 A Washington Zone 3 MD WASKDCFNAMD  6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD 236      
240-839 0 Washington Zone 3 MD WASKDCFNAMD  6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD 236   2007-03-09   
240-839 1 Washington Zone 3 MD WASHDCDP8MD  071F BANDWIDTH.COM CLEC, LLC - MD 236   2011-03-01   
240-839 2 Washington Zone 3 MD BTVLMD18GT0  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 236   2011-04-02   
240-839 3 Washington Zone 3 MD HRNDVACKBMD  5977 BROADVIEW NETWORKS, INC. - DC 236   2014-09-05   
240-839 4 Washington Zone 3 MD MCLNVA23DS4  6119 LEVEL 3 COMMUNICATIONS, LLC - MD 236   2010-06-21   
240-839 5 Washington Zone 3 MD VINNVACBDS0  876D ONVOY, LLC - MD 236   2008-10-05   
240-839 6 Washington Zone 3 MD MCLNVA23DS4  6119 LEVEL 3 COMMUNICATIONS, LLC - MD 236   2014-04-26   
240-839 7 Washington Zone 3 MD ARTNVAARXDY  318J COMCAST IP PHONE, LLC 236   2007-08-01   
240-839 8 Washington Zone 3 MD BTVLMD12CMA  6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 236   2007-11-15   
240-839 9 Washington Zone 3 MD WASHDC12DS6  568G PEERLESS NETWORK OF MARYLAND, LLC 236   2013-10-17   

Last updated: Tue, 16 Apr 2024 01:38:01 UTC

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