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: 293

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
240-293 A Washington Zone 12 MD LNHMMDADDS0  8832 STARPOWER COMMUNICATIONS, LLC - MD 236      
240-293 0 Washington Zone 12 MD   071F BANDWIDTH.COM CLEC, LLC - MD 236   2010-10-28   
240-293 1 Washington Zone 12 MD   8992 ALLEGIANCE TELECOM, INC. - MD 236   2002-07-08   
240-293 2 Washington Zone 12 MD   6119 LEVEL 3 COMMUNICATIONS, LLC - MD 236   2005-01-04   
240-293 3 Washington Zone 12 MD   6119 LEVEL 3 COMMUNICATIONS, LLC - MD 236   2005-01-04   
240-293 4 Washington Zone 12 MD   6119 LEVEL 3 COMMUNICATIONS, LLC - MD 236   2003-02-17   
240-293 5 Washington Zone 12 MD   6119 LEVEL 3 COMMUNICATIONS, LLC - MD 236   2006-04-07   
240-293 6 Washington Zone 12 MD   107D COMCAST PHONE OF NORTHERN MARYLAND, INC. - MD 236   2005-07-25   
240-293 7 Washington Zone 12 MD   6119 LEVEL 3 COMMUNICATIONS, LLC - MD 236   2006-07-10   
240-293 8 Washington Zone 12 MD   8832 STARPOWER COMMUNICATIONS, LLC - MD 236      
240-293 9 Washington Zone 12 MD   6119 LEVEL 3 COMMUNICATIONS, LLC - MD 236   2006-07-14   

Last updated: Sat, 31 Oct 2020 19:28:10 UTC

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