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: 242

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
240-242 A Washington Zone 11 MD LNHMMDADGT0  8832 STARPOWER COMMUNICATIONS, LLC - MD 236      
240-242 0 Washington Zone 11 MD LNHMMDADGT0  8832 STARPOWER COMMUNICATIONS, LLC - MD 236      
240-242 1 Washington Zone 11 MD LNHMMDADGT0  8832 STARPOWER COMMUNICATIONS, LLC - MD 236      
240-242 2 Washington Zone 11 MD LNHMMDADGT0  8832 STARPOWER COMMUNICATIONS, LLC - MD 236      
240-242 3 Washington Zone 11 MD ARTNVAARXDY  318J COMCAST IP PHONE, LLC 236   2006-07-04   
240-242 4 Washington Zone 11 MD ARTNVAARXDY  318J COMCAST IP PHONE, LLC 236   2006-07-04   
240-242 5 Washington Zone 11 MD WASHDCDP8MD  071F BANDWIDTH.COM CLEC, LLC - MD 236   2010-02-22   
240-242 6 Washington Zone 11 MD   829J PAETEC ITEL, LLC 236   2006-09-07   
240-242 7 Washington Zone 11 MD WASHDCDP8MD  071F BANDWIDTH.COM CLEC, LLC - MD 236   2008-12-13   
240-242 8 Washington Zone 11 MD LNHMMDADGT0  8832 STARPOWER COMMUNICATIONS, LLC - MD 236      
240-242 9 Washington Zone 11 MD WASHDCDP8MD  071F BANDWIDTH.COM CLEC, LLC - MD 236   2008-12-13   

Last updated: Sun, 01 Jun 2025 02:18:11 UTC

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