Local Calling Guide

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Washington Zone 13, MD

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NPA-NXX BLOCK Switch OCN LATA LIR Eff date Disc date
240-228 A LARLMDLRDS0  9212 VERIZON MARYLAND, INC. 236      
240-228 0 LARLMDLRDS0  9212 VERIZON MARYLAND, INC. 236      
240-228 1 LARLMDLRDS0  9212 VERIZON MARYLAND, INC. 236   2002-06-25   
240-228 2 LARLMDLRDS0  9212 VERIZON MARYLAND, INC. 236   2003-02-15   
240-228 3 LARLMDLRDS0  9212 VERIZON MARYLAND, INC. 236      
240-228 4 LARLMDLRDS0  9212 VERIZON MARYLAND, INC. 236      
240-228 5 LARLMDLRDS0  9212 VERIZON MARYLAND, INC. 236      
240-228 6 LARLMDLRDS0  9212 VERIZON MARYLAND, INC. 236      
240-228 7 LARLMDLRDS0  9212 VERIZON MARYLAND, INC. 236      
240-228 8 LARLMDLRDS0  9212 VERIZON MARYLAND, INC. 236      
240-228 9 LARLMDLRDS0  9212 VERIZON MARYLAND, INC. 236   2003-02-15   
240-241 A LNHMMDADGT0  8832 STARPOWER COMMUNICATIONS, LLC - MD 236      
240-241 0 WASHDCDP8MD  071F BANDWIDTH.COM CLEC, LLC - MD 236   2010-05-01   
240-241 1 SLSPMD91DS0  568G PEERLESS NETWORK OF MARYLAND, LLC 236   2013-05-03   
240-241 2 BTVLMD127MD  5562 METROPCS, INC. 236   2013-06-16   
240-241 3 BTVLMD127MD  5562 METROPCS, INC. 236   2013-06-16   
240-241 4 ARTNVAARXDY  318J COMCAST IP PHONE LLC 236   2014-06-25   
240-241 5 WASHDCCZDS1  4773 XO MARYLAND, LLC 236   2007-07-09   
240-241 6 WASHDCCZDS1  4773 XO MARYLAND, LLC 236   2007-07-09   
240-241 7 MCLNVA23DS4  6119 LEVEL 3 COMMUNICATIONS, LLC - MD 236   2007-12-05   
240-241 8 LNHMMDADGT0  8832 STARPOWER COMMUNICATIONS, LLC - MD 236      
240-241 9 SLSPMD91DS0  568G PEERLESS NETWORK OF MARYLAND, LLC 236   2013-05-03   
240-297 A MCLNVA23DS4  6119 LEVEL 3 COMMUNICATIONS, LLC - MD 236      
240-297 0 MCLNVA23DS4  6119 LEVEL 3 COMMUNICATIONS, LLC - MD 236   2004-12-29   
240-297 1 MCLNVA23DS4  6119 LEVEL 3 COMMUNICATIONS, LLC - MD 236   2004-12-29   
240-297 2 MCLNVA23DS4  6119 LEVEL 3 COMMUNICATIONS, LLC - MD 236   2013-03-17   
240-297 3 MCLNVA23DS4  6119 LEVEL 3 COMMUNICATIONS, LLC - MD 236   2005-01-05   
240-297 4 MCLNVA23DS4  6119 LEVEL 3 COMMUNICATIONS, LLC - MD 236      
240-297 5 MCLNVA23DS4  6119 LEVEL 3 COMMUNICATIONS, LLC - MD 236   2005-01-05   
240-297 6 MCLNVA23DS4  6119 LEVEL 3 COMMUNICATIONS, LLC - MD 236   2010-06-21   
240-297 7 MCLNVA23DS4  6119 LEVEL 3 COMMUNICATIONS, LLC - MD 236   2012-03-24   
240-297 8 MCLNVA23DS4  6119 LEVEL 3 COMMUNICATIONS, LLC - MD 236   2014-10-23   
240-297 9 ARTNVAARXDY  318J COMCAST IP PHONE LLC 236   2006-03-14   
240-373 A ODTNMDAUDS0  9212 VERIZON MARYLAND, INC. 236      
240-387 A WASHDC12OMD  4820 CAVALIER EAST LLC - MD 236      
240-387 0 WASHDC12OMD  4820 CAVALIER EAST LLC - MD 236      
240-387 1 WASHDC12OMD  4820 CAVALIER EAST LLC - MD 236      
240-387 2 WASHDC12OMD  4820 CAVALIER EAST LLC - MD 236      
240-387 3 WASHDC12OMD  4820 CAVALIER EAST LLC - MD 236      
240-387 4 WASHDC12OMD  4820 CAVALIER EAST LLC - MD 236      
240-387 5 WASHDC12OMD  4820 CAVALIER EAST LLC - MD 236      
240-387 6 WASHDCCZDS0  4773 XO MARYLAND, LLC 236   2007-02-22   
240-387 7 WASHDCCZDS0  4773 XO MARYLAND, LLC 236   2007-02-22   
240-387 8 WASHDC12OMD  4820 CAVALIER EAST LLC - MD 236      
240-387 9 WASHDC12OMD  4820 CAVALIER EAST LLC - MD 236      
240-391 A WASJDCDCDS0  6050 GLOBAL CROSSING LOCAL SERVICES, INC. - MD 236      
240-391 0 WASJDCDCDS0  6050 GLOBAL CROSSING LOCAL SERVICES, INC. - MD 236      
240-391 1 WASJDCDCDS0  6050 GLOBAL CROSSING LOCAL SERVICES, INC. - MD 236      
240-391 2 WASJDCDCDS0  6050 GLOBAL CROSSING LOCAL SERVICES, INC. - MD 236      
240-391 3 WASHDCDP8MD  071F BANDWIDTH.COM CLEC, LLC - MD 236   2007-10-12   

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Last updated: Wed, 01 Jun 2022 03:09:23 UTC

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