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
301-532 9 Laurel (Baltimore LATA) MD   238   2015-04-20   
301-541 9 Washington Zone 5 MD   236   2013-10-11   
301-547 5 Washington Zone 2 MD   236   2007-01-11   
301-547 9 Washington Zone 2 MD   236   2007-02-08   
301-549 0 Ashton MD   236   2014-09-04   
301-549 2 Ashton MD   236   2017-12-06   
301-549 4 Ashton MD   236   2018-02-05   
301-549 6 Ashton MD   236   2017-12-06   
301-549 8 Ashton MD   236   2014-09-04   
301-549 9 Ashton MD   236   2014-09-04   
301-590 5 Washington Zone 10 MD   236   2014-09-16   
301-592 7 Washington Zone 3 MD   236   2003-07-29   
301-605 0 Washington Zone 10 MD   236   2014-09-25   
301-605 2 Washington Zone 10 MD   236   2008-06-16   
301-605 3 Washington Zone 10 MD   236   2008-06-16   
301-605 4 Washington Zone 10 MD   236   2007-02-16   
301-605 5 Washington Zone 10 MD   236   2007-03-25   
301-624 3 Frederick MD   240   2014-12-13   
301-624 9 Frederick MD   240   2014-12-13   
301-631 4 Frederick MD   240   2015-11-27   
301-640 0 Washington Zone 10 MD   236   2013-05-20   
301-640 1 Washington Zone 10 MD   236   2007-06-16   
301-640 6 Washington Zone 10 MD   236   2007-08-17   
301-640 9 Washington Zone 10 MD   236   2013-05-20   
301-658 4 Ashton MD   236   2018-02-05   
301-658 8 Ashton MD   236   2014-09-04   
301-664 0 Washington Zone 2 MD   236   2018-10-14   
301-664 3 Washington Zone 2 MD   236   2017-08-06   
301-665 0 Hagerstown MD   240   2014-12-13   
301-665 7 Hagerstown MD   240   2014-12-13   
301-665 8 Hagerstown MD   240   2015-11-27   
301-675 A Washington Zone 3 MD BTVLMD12CMA  236      
301-682 1 Frederick MD   240   2015-11-27   
301-683 4 Washington Zone 4 MD   236   2014-12-13   
301-686 4 Washington Zone 6 MD   236   2008-10-12   
301-693 A Frederick MD FRDRMDFRKMD  240      
301-714 8 Hagerstown MD   240   2015-11-27   
301-728 A Washington Zone 3 MD BTVLMD12CMA  236      
301-732 9 Frederick MD   240   2014-10-10   
301-747 5 Washington Zone 6 MD   236   2008-06-16   
301-747 8 Washington Zone 6 MD   236   2011-02-07   
301-755 3 Washington Zone 3 MD   236   2003-09-30   
301-755 4 Washington Zone 3 MD   236   2003-09-17   
301-755 7 Washington Zone 3 MD   236   2003-07-29   
301-755 8 Washington Zone 3 MD   236   2007-10-12   
301-765 4 Washington Zone 10 MD   236   2008-11-15   
301-768 0 Washington Zone 3 MD   236   2004-08-16   
301-768 1 Washington Zone 3 MD   236   2003-12-28   
301-768 2 Washington Zone 3 MD   236   2004-06-25   
301-768 3 Washington Zone 3 MD   236   2004-08-14   

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

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