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:

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
240-560 A Washington Zone 12 MD WASHDCCZDS0  4773 XO MARYLAND, LLC 236      
240-560 0 Washington Zone 12 MD   4773 XO MARYLAND, LLC 236      
240-560 1 Washington Zone 12 MD   082H LOCAL ACCESS LLC - MD 236   2013-09-06   
240-560 2 Washington Zone 12 MD   071F BANDWIDTH.COM CLEC, LLC - MD 236   2013-06-16   
240-560 3 Washington Zone 12 MD   071F BANDWIDTH.COM CLEC, LLC - MD 236   2013-06-16   
240-560 4 Washington Zone 12 MD   6119 LEVEL 3 COMMUNICATIONS, LLC - MD 236   2008-02-15   
240-560 5 Washington Zone 12 MD   6119 LEVEL 3 COMMUNICATIONS, LLC - MD 236   2007-06-19   
240-560 6 Washington Zone 12 MD   107D COMCAST PHONE OF NORTHERN MARYLAND, INC. - MD 236   2012-03-15   
240-560 7 Washington Zone 12 MD   107D COMCAST PHONE OF NORTHERN MARYLAND, INC. - MD 236   2007-05-18   
240-560 8 Washington Zone 12 MD   071F BANDWIDTH.COM CLEC, LLC - MD 236   2010-11-22   
240-560 9 Washington Zone 12 MD   4773 XO MARYLAND, LLC 236      

Last updated: Sat, 10 Oct 2020 02:22:41 UTC

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