Local Calling Guide

Area code/prefix search

Search area code/prefix (NPA/NXX)
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OCN: 6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC

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NPA-NXX BLOCK Rate Centre Region Switch LATA LIR Eff date Disc date
301-537 9 Washington Zone 3 MD BTVLMD12CMA  236      
301-541 9 Washington Zone 5 MD BTVLMD12CMA  236   2013-10-11   
301-547 5 Washington Zone 2 MD BTVLMD12CMA  236   2007-01-11   
301-547 9 Washington Zone 2 MD BTVLMD12CMA  236   2007-02-08   
301-549 0 Ashton MD BTVLMD12CMA  236   2014-09-04   
301-549 2 Ashton MD BTVLMD12CMA  236   2017-12-06   
301-549 4 Ashton MD BTVLMD12CMA  236   2018-02-05   
301-549 6 Ashton MD BTVLMD12CMA  236   2017-12-06   
301-549 8 Ashton MD BTVLMD12CMA  236   2014-09-04   
301-549 9 Ashton MD BTVLMD12CMA  236   2014-09-04   
301-550 3 Washington Zone 10 MD BTVLMD12CMA  236   2022-10-17   
301-556 6 Gaithersburg MD   236   2004-02-28   
301-556 8 Gaithersburg MD   236   2005-11-13   
301-558 A Washington Zone 13 MD   236   2025-08-28   
301-558 0 Washington Zone 13 MD   236   2025-09-29   
301-558 1 Washington Zone 13 MD   236   2025-09-29   
301-558 7 Washington Zone 13 MD   236   2025-09-25   
301-558 9 Washington Zone 13 MD   236   2025-08-28   
301-573 0 Hagerstown MD FRDRMDFRKMD  240      
301-573 7 Hagerstown MD FRDRMDFRKMD  240      
301-573 8 Hagerstown MD FRDRMDFRKMD  240      
301-573 9 Hagerstown MD FRDRMDFRKMD  240      
301-586 2 Washington Zone 3 MD BTVLMD12CMA  236   2007-11-21   
301-586 5 Washington Zone 3 MD BTVLMD12CMA  236   2007-11-21   
301-590 5 Washington Zone 10 MD BTVLMD12CMA  236   2014-09-16   
301-592 7 Washington Zone 3 MD BTVLMD12CMA  236   2003-07-29   
301-605 0 Washington Zone 10 MD BTVLMD12CMA  236   2014-09-25   
301-605 2 Washington Zone 10 MD BTVLMD12CMA  236   2008-06-16   
301-605 3 Washington Zone 10 MD BTVLMD12CMA  236   2008-06-16   
301-605 4 Washington Zone 10 MD BTVLMD12CMA  236   2007-02-16   
301-605 5 Washington Zone 10 MD BTVLMD12CMA  236   2007-03-25   
301-613 A Washington Zone 3 MD BTVLMD12CMA  236      
301-613 0 Washington Zone 3 MD BTVLMD12CMA  236      
301-613 1 Washington Zone 3 MD BTVLMD12CMA  236      
301-613 2 Washington Zone 3 MD BTVLMD12CMA  236      
301-613 3 Washington Zone 3 MD BTVLMD12CMA  236      
301-613 4 Washington Zone 3 MD BTVLMD12CMA  236      
301-613 5 Washington Zone 3 MD BTVLMD12CMA  236      
301-613 6 Washington Zone 3 MD BTVLMD12CMA  236      
301-613 7 Washington Zone 3 MD BTVLMD12CMA  236      
301-613 8 Washington Zone 3 MD BTVLMD12CMA  236      
301-613 9 Washington Zone 3 MD BTVLMD12CMA  236      
301-624 3 Frederick MD FRDRMDFRKMD  240   2014-12-13   
301-624 9 Frederick MD FRDRMDFRKMD  240   2014-12-13   
301-628 6 Washington Zone 3 MD BTVLMD12CMA  236   2007-11-21   
301-628 7 Washington Zone 3 MD BTVLMD12CMA  236   2007-11-21   
301-628 8 Washington Zone 3 MD BTVLMD12CMA  236   2007-11-21   
301-628 9 Washington Zone 3 MD BTVLMD12CMA  236   2011-08-19   
301-631 4 Frederick MD FRDRMDFRKMD  240   2015-11-27   
301-640 0 Washington Zone 10 MD BTVLMD12CMA  236   2013-05-20   
301-640 1 Washington Zone 10 MD BTVLMD12CMA  236   2007-06-16   
301-640 6 Washington Zone 10 MD BTVLMD12CMA  236   2007-08-17   
301-640 9 Washington Zone 10 MD BTVLMD12CMA  236   2013-05-20   
301-658 4 Ashton MD BTVLMD12CMA  236   2018-02-05   
301-658 8 Ashton MD BTVLMD12CMA  236   2014-09-04   
301-664 0 Washington Zone 2 MD BTVLMD12CMA  236   2018-10-14   
301-664 3 Washington Zone 2 MD BTVLMD12CMA  236   2017-08-06   
301-665 0 Hagerstown MD FRDRMDFRKMD  240   2014-12-13   
301-665 7 Hagerstown MD FRDRMDFRKMD  240   2014-12-13   
301-665 8 Hagerstown MD FRDRMDFRKMD  240   2015-11-27   
301-672 A Lexington Park-Great Mills MD BTVLMD12CMA  236      
301-672 1 Lexington Park-Great Mills MD BTVLMD12CMA  236      
301-672 2 Lexington Park-Great Mills MD BTVLMD12CMA  236      
301-672 3 Lexington Park-Great Mills MD BTVLMD12CMA  236      
301-672 4 Lexington Park-Great Mills MD BTVLMD12CMA  236      
301-672 5 Lexington Park-Great Mills MD BTVLMD12CMA  236      
301-672 6 Lexington Park-Great Mills MD BTVLMD12CMA  236      
301-672 7 Lexington Park-Great Mills MD BTVLMD12CMA  236      
301-672 8 Lexington Park-Great Mills MD BTVLMD12CMA  236      
301-672 9 Lexington Park-Great Mills MD BTVLMD12CMA  236      
301-674 A Washington Zone 2 MD BTVLMD12CMA  236      
301-674 1 Washington Zone 2 MD BTVLMD12CMA  236      
301-674 2 Washington Zone 2 MD BTVLMD12CMA  236      
301-674 3 Washington Zone 2 MD BTVLMD12CMA  236      
301-674 4 Washington Zone 2 MD BTVLMD12CMA  236      
301-674 5 Washington Zone 2 MD BTVLMD12CMA  236      
301-674 6 Washington Zone 2 MD BTVLMD12CMA  236      
301-674 7 Washington Zone 2 MD BTVLMD12CMA  236      
301-674 8 Washington Zone 2 MD BTVLMD12CMA  236      
301-674 9 Washington Zone 2 MD BTVLMD12CMA  236      
301-675 A Washington Zone 3 MD BTVLMD12CMA  236      
301-682 1 Frederick MD FRDRMDFRKMD  240   2015-11-27   
301-683 4 Washington Zone 4 MD BTVLMD12CMA  236   2014-12-13   
301-686 4 Washington Zone 6 MD BTVLMD12CMA  236   2008-10-12   
301-693 A Frederick MD FRDRMDFRKMD  240      
301-714 8 Hagerstown MD FRDRMDFRKMD  240   2015-11-27   
301-728 A Washington Zone 3 MD BTVLMD12CMA  236      
301-732 9 Frederick MD FRDRMDFRKMD  240   2014-10-10   
301-740 4 Gaithersburg MD   236   2005-04-07   
301-740 5 Gaithersburg MD   236   2006-02-05   
301-747 5 Washington Zone 6 MD BTVLMD12CMA  236   2008-06-16   
301-747 8 Washington Zone 6 MD BTVLMD12CMA  236   2011-02-07   
301-748 0 Frederick MD FRDRMDFRKMD  240      
301-753 0 Washington Zone 6 MD BTVLMD12CMA  236   2023-09-29   
301-755 3 Washington Zone 3 MD BTVLMD12CMA  236   2003-09-30   
301-755 4 Washington Zone 3 MD BTVLMD12CMA  236   2003-09-17   
301-755 7 Washington Zone 3 MD BTVLMD12CMA  236   2003-07-29   
301-755 8 Washington Zone 3 MD BTVLMD12CMA  236   2007-10-12   
301-760 0 Washington Zone 2 MD BTVLMD12CMA  236   2005-12-23   
301-760 6 Washington Zone 2 MD BTVLMD12CMA  236   2005-12-23   

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Last updated: Mon, 15 Sep 2025 02:24:40 UTC

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