Local Calling Guide

Area code/prefix search

Search area code/prefix (NPA/NXX)
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NPA: 301 [Rate centres in NPA 301] [Dial plan for NPA 301]

NXX: 200

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
301-200 A Indian Head MD WASHDCDP8MD  071F BANDWIDTH.COM CLEC, LLC - MD 236      
301-200 0 Indian Head MD VINNVACBDS0  876D ONVOY, LLC - MD 236   2011-07-31   
301-200 1 Indian Head MD WASHDCDP8MD  071F BANDWIDTH.COM CLEC, LLC - MD 236   2011-04-25   
301-200 2 Indian Head MD WASHDCDP8MD  071F BANDWIDTH.COM CLEC, LLC - MD 236   2011-09-02   
301-200 3 Indian Head MD WASHDCINDS0  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 236   2011-10-03   
301-200 4 Indian Head MD MCLNVA23DS4  6119 LEVEL 3 COMMUNICATIONS, LLC - MD 236   2012-04-21   
301-200 5 Indian Head MD WASHDCDP8MD  071F BANDWIDTH.COM CLEC, LLC - MD 236   2012-06-03   
301-200 6 Indian Head MD CHCHMDBE1MD  8697 BALTIMORE-WASHINGTON TELEPHONE (BWT) 236   2015-06-20   
301-200 7 Indian Head MD WASHDCDP8MD  071F BANDWIDTH.COM CLEC, LLC - MD 236   2012-09-06   
301-200 8 Indian Head MD WASHDCDP8MD  071F BANDWIDTH.COM CLEC, LLC - MD 236   2012-09-06   
301-200 9 Indian Head MD WASHDCDP8MD  071F BANDWIDTH.COM CLEC, LLC - MD 236   2013-03-01   

Last updated: Fri, 22 Mar 2024 03:02:44 UTC

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