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
240-394 A Mount Airy MD MNRVMDMOXFX  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 240   2005-02-03   
240-394 0 Mount Airy MD   4036 NEW CINGULAR WIRELESS PCS, LLC - DC 240   2005-02-03   
240-394 1 Mount Airy MD   071F BANDWIDTH.COM CLEC, LLC - MD 240   2010-02-22   
240-394 2 Mount Airy MD   4036 NEW CINGULAR WIRELESS PCS, LLC - DC 240   2005-02-03   
240-394 3 Mount Airy MD   7228 MCI WORLDCOM COMMUNICATIONS, INC. - MD 240   2010-02-01   
240-394 4 Mount Airy MD   6119 LEVEL 3 COMMUNICATIONS, LLC - MD 240   2008-03-13   
240-394 5 Mount Airy MD   071F BANDWIDTH.COM CLEC, LLC - MD 240   2010-08-08   
240-394 6 Mount Airy MD   071F BANDWIDTH.COM CLEC, LLC - MD 240   2011-07-31   
240-394 7 Mount Airy MD   071F BANDWIDTH.COM CLEC, LLC - MD 240   2011-08-17   
240-394 8 Mount Airy MD   071F BANDWIDTH.COM CLEC, LLC - MD 240   2011-09-02   
240-394 9 Mount Airy MD   071F BANDWIDTH.COM CLEC, LLC - MD 240   2008-12-04   

Last updated: Thu, 10 Sep 2020 02:15:24 UTC

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