Local Calling Guide

Area code/prefix search

Search area code/prefix (NPA/NXX)
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OCN: 6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC DBA T-MOBILE USA

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NPA-NXX BLOCK Rate Centre Region Switch LATA LIR Eff date Disc date
240-413 3 Washington Zone 4 MD   236      
240-413 4 Washington Zone 4 MD   236   2006-06-05   
240-413 5 Washington Zone 4 MD   236   2006-08-25   
240-413 6 Washington Zone 4 MD   236      
240-413 7 Washington Zone 4 MD   236   2006-12-15   
240-413 8 Washington Zone 4 MD   236   2007-02-08   
240-413 9 Washington Zone 4 MD   236      
240-421 A Washington Zone 10 MD BTVLMD12CM9  236      
240-421 0 Washington Zone 10 MD   236      
240-421 1 Washington Zone 10 MD   236      
240-421 2 Washington Zone 10 MD   236      
240-421 3 Washington Zone 10 MD   236   2005-08-01   
240-421 4 Washington Zone 10 MD   236   2005-09-15   
240-421 5 Washington Zone 10 MD   236   2005-10-09   
240-421 6 Washington Zone 10 MD   236      
240-421 7 Washington Zone 10 MD   236   2005-12-17   
240-421 8 Washington Zone 10 MD   236   2008-07-17   
240-421 9 Washington Zone 10 MD   236      
240-422 A Frederick MD FRDRMDFRKMD  240      
240-422 0 Frederick MD   240      
240-422 1 Frederick MD   240   2003-05-04   
240-422 2 Frederick MD   240   2003-07-23   
240-422 3 Frederick MD   240   2003-09-17   
240-422 4 Frederick MD   240   2004-02-22   
240-422 5 Frederick MD   240   2004-12-19   
240-422 6 Frederick MD   240      
240-422 7 Frederick MD   240   2005-02-19   
240-422 9 Frederick MD   240      
240-423 A Washington Zone 3 MD BTVLMD12CMA  236      
240-425 A Washington Zone 2 MD   236      
240-425 2 Washington Zone 2 MD   236   2004-02-02   
240-425 3 Washington Zone 2 MD   236   2005-03-31   
240-425 7 Washington Zone 2 MD   236   2004-04-25   
240-429 1 Washington Zone 3 MD   236   2007-03-11   
240-429 2 Washington Zone 3 MD   236   2007-03-24   
240-437 1 Ashton MD   236   2014-03-23   
240-437 2 Ashton MD   236   2010-12-02   
240-437 6 Ashton MD   236   2011-07-15   
240-437 7 Ashton MD   236   2011-07-15   
240-437 8 Ashton MD   236   2011-07-15   
240-437 9 Ashton MD   236   2014-07-04   
240-439 1 Frederick MD   240   2008-10-12   
240-441 A Washington Zone 6 MD BTVLMD12CM9  236      
240-444 9 Laurel MD   236   2012-09-22   
240-453 1 Washington Zone 10 MD   236   2017-01-17   
240-464 5 Washington Zone 2 MD   236   2005-09-23   
240-467 0 Washington Zone 4 MD   236   2013-07-08   
240-467 1 Washington Zone 4 MD   236   2013-07-08   
240-467 4 Washington Zone 4 MD   236   2013-12-09   
240-467 6 Washington Zone 4 MD   236   2013-12-09   

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

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