Local Calling Guide

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NPA: 240 [Rate centres in NPA 240] [Dial plan for NPA 240]

NXX: 392

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
240-392 A Washington Zone 5 MD LNHMMDADGT0  8832 STARPOWER COMMUNICATIONS, LLC - MD 236      
240-392 0 Washington Zone 5 MD BTVLMD12CMA  6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 236   2011-06-10   
240-392 1 Washington Zone 5 MD WASHDCDP8MD  071F BANDWIDTH.COM CLEC, LLC - MD 236   2010-05-30   
240-392 2 Washington Zone 5 MD ARTNVAARXDY  318J COMCAST IP PHONE, LLC 236   2006-03-03   
240-392 3 Washington Zone 5 MD MCLNVA23DS4  6119 LEVEL 3 COMMUNICATIONS, LLC - MD 236   2006-01-02   
240-392 4 Washington Zone 5 MD MCLNVA23DS4  6119 LEVEL 3 COMMUNICATIONS, LLC - MD 236   2006-01-02   
240-392 5 Washington Zone 5 MD BTVLMD12CMA  6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 236   2011-08-11   
240-392 6 Washington Zone 5 MD VINNVACBDS0  876D ONVOY, LLC - MD 236   2012-10-07   
240-392 7 Washington Zone 5 MD BTVLMD12CMA  5562 METROPCS, INC. 236   2013-06-16   
240-392 8 Washington Zone 5 MD LNHMMDADGT0  8832 STARPOWER COMMUNICATIONS, LLC - MD 236      
240-392 9 Washington Zone 5 MD BTVLMD12CMA  5562 METROPCS, INC. 236   2013-06-16   

Last updated: Thu, 16 Oct 2025 03:04:18 UTC

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