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: 668

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
240-668 A Damascus MD LNHMMDADGT0  8832 STARPOWER COMMUNICATIONS, LLC - MD 236      
240-668 0 Damascus MD   6119 LEVEL 3 COMMUNICATIONS, LLC - MD 236   2008-05-16   
240-668 1 Damascus MD   8832 STARPOWER COMMUNICATIONS, LLC - MD 236      
240-668 2 Damascus MD   4773 XO MARYLAND, LLC 236   2005-11-24   
240-668 3 Damascus MD   4773 XO MARYLAND, LLC 236   2005-11-24   
240-668 4 Damascus MD   071F BANDWIDTH.COM CLEC, LLC - MD 236   2009-02-09   
240-668 5 Damascus MD   4773 XO MARYLAND, LLC 236   2005-11-24   
240-668 6 Damascus MD   4773 XO MARYLAND, LLC 236   2005-11-24   
240-668 7 Damascus MD   8832 STARPOWER COMMUNICATIONS, LLC - MD 236      
240-668 8 Damascus MD   8832 STARPOWER COMMUNICATIONS, LLC - MD 236      
240-668 9 Damascus MD   4773 XO MARYLAND, LLC 236   2005-11-24   

Last updated: Sun, 04 Apr 2021 19:28:27 UTC

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