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: 348

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
240-348 A Washington Zone 16 MD MCLNVA23DS4  6119 LEVEL 3 COMMUNICATIONS, LLC - MD 236      
240-348 0 Washington Zone 16 MD   515J IP HORIZON LLC 236   2015-03-21   
240-348 1 Washington Zone 16 MD MCLNVA23DS4  6119 LEVEL 3 COMMUNICATIONS, LLC - MD 236      
240-348 2 Washington Zone 16 MD WASHDCDP8MD  071F BANDWIDTH.COM CLEC, LLC - MD 236   2010-08-19   
240-348 3 Washington Zone 16 MD WASHDCDP8MD  071F BANDWIDTH.COM CLEC, LLC - MD 236   2010-08-19   
240-348 4 Washington Zone 16 MD ARTNVAARXDY  318J COMCAST IP PHONE, LLC 236   2010-09-10   
240-348 5 Washington Zone 16 MD MCLNVA23DS4  6119 LEVEL 3 COMMUNICATIONS, LLC - MD 236   2012-01-14   
240-348 6 Washington Zone 16 MD MCLNVA23DS4  6119 LEVEL 3 COMMUNICATIONS, LLC - MD 236   2011-10-09   
240-348 7 Washington Zone 16 MD ARTNVAARXDY  318J COMCAST IP PHONE, LLC 236   2013-07-19   
240-348 8 Washington Zone 16 MD VINNVACBDS0  876D ONVOY, LLC - MD 236   2016-03-11   
240-348 9 Washington Zone 16 MD VINNVACBDS0  876D ONVOY, LLC - MD 236   2016-04-28   

Last updated: Sun, 26 Jan 2025 15:59:20 UTC

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