Local Calling Guide

Area code/prefix search

Search area code/prefix (NPA/NXX)
  • Effective date searches are available only for US area codes. Our sources for non-US NPA-NXX data do not provide this information.
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NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
301-363 3 Damascus (Hagerstown LATA) MD 318J COMCAST IP PHONE, LLC 240   2012-11-25   
301-363 5 Damascus (Hagerstown LATA) MD 318J COMCAST IP PHONE, LLC 240   2009-03-06   
301-363 8 Damascus (Hagerstown LATA) MD 318J COMCAST IP PHONE, LLC 240   2007-04-07   
301-378 A Frederick MD 318J COMCAST IP PHONE, LLC 240      
301-378 0 Frederick MD 318J COMCAST IP PHONE, LLC 240   2007-04-06   
301-378 2 Frederick MD 318J COMCAST IP PHONE, LLC 240   2009-08-13   
301-378 8 Frederick MD 318J COMCAST IP PHONE, LLC 240   2012-11-03   
301-378 9 Frederick MD 318J COMCAST IP PHONE, LLC 240   2013-05-12   
301-447 4 Emmitsburg MD 318J COMCAST IP PHONE, LLC 240   2007-04-07   
301-463 8 Lonaconing MD 318J COMCAST IP PHONE, LLC 240   2014-03-24   
301-508 7 Myersville MD 318J COMCAST IP PHONE, LLC 240   2007-04-07   
301-508 8 Myersville MD 318J COMCAST IP PHONE, LLC 240   2019-05-10   
301-682 2 Frederick MD 318J COMCAST IP PHONE, LLC 240   2015-02-27   
301-703 1 Mount Airy MD 318J COMCAST IP PHONE, LLC 240   2015-09-17   
301-703 5 Mount Airy MD 318J COMCAST IP PHONE, LLC 240   2012-05-26   
301-703 8 Mount Airy MD 318J COMCAST IP PHONE, LLC 240   2007-04-07   
301-732 4 Frederick MD 318J COMCAST IP PHONE, LLC 240   2015-08-11   
301-732 5 Frederick MD 318J COMCAST IP PHONE, LLC 240   2011-12-04   
301-732 6 Frederick MD 318J COMCAST IP PHONE, LLC 240   2013-09-18   
301-750 5 Friendsville MD 318J COMCAST IP PHONE, LLC 240   2007-08-31   
301-786 8 McCoole MD 318J COMCAST IP PHONE, LLC 240   2014-03-24   
301-798 2 Damascus (Hagerstown LATA) MD 318J COMCAST IP PHONE, LLC 240   2010-06-26   
301-798 3 Damascus (Hagerstown LATA) MD 318J COMCAST IP PHONE, LLC 240   2016-02-17   
301-798 8 Damascus (Hagerstown LATA) MD 318J COMCAST IP PHONE, LLC 240   2014-06-06   
301-799 1 Keedysville MD 318J COMCAST IP PHONE, LLC 240   2011-01-22   
301-810 2 Buckeystown MD 318J COMCAST IP PHONE, LLC 240   2016-12-09   
301-810 5 Buckeystown MD 318J COMCAST IP PHONE, LLC 240   2007-04-07   
301-824 0 Smithsburg MD 318J COMCAST IP PHONE, LLC 240   2007-04-07   
301-835 7 Frederick MD 318J COMCAST IP PHONE, LLC 240   2019-03-20   
301-842 5 Clear Spring MD 318J COMCAST IP PHONE, LLC 240   2009-12-31   
301-882 4 New Market MD 318J COMCAST IP PHONE, LLC 240   2013-08-16   
301-882 7 New Market MD 318J COMCAST IP PHONE, LLC 240   2007-04-07   
301-895 8 Grantsville MD 318J COMCAST IP PHONE, LLC 240   2010-03-05   
301-898 2 Frederick MD 318J COMCAST IP PHONE, LLC 240   2008-08-20   
301-969 A Brunswick MD 318J COMCAST IP PHONE, LLC 240      
301-969 0 Brunswick MD 318J COMCAST IP PHONE, LLC 240   2007-04-20   
301-969 6 Brunswick MD 318J COMCAST IP PHONE, LLC 240   2014-08-20   
304-350 1 Martinsburg WV 318J COMCAST IP PHONE, LLC 240   2013-04-26   
304-350 8 Martinsburg WV 318J COMCAST IP PHONE, LLC 240   2013-12-28   
304-355 3 Piedmont (Mineral) WV 318J COMCAST IP PHONE, LLC 240   2014-03-23   
304-378 A Martinsburg WV 318J COMCAST IP PHONE, LLC 240      
304-500 2 Berkeley Springs WV 318J COMCAST IP PHONE, LLC 240   2013-04-26   
304-535 8 Harpers Ferry WV 318J COMCAST IP PHONE, LLC 240   2013-04-26   
304-790 7 Keyser WV 318J COMCAST IP PHONE, LLC 240   2014-03-23   
304-821 4 Inwood WV 318J COMCAST IP PHONE, LLC 240   2013-04-26   
304-821 5 Inwood WV 318J COMCAST IP PHONE, LLC 240   2015-12-21   
304-821 8 Inwood WV 318J COMCAST IP PHONE, LLC 240   2014-10-13   
304-870 2 Shepherdstown WV 318J COMCAST IP PHONE, LLC 240   2016-12-11   
304-870 4 Shepherdstown WV 318J COMCAST IP PHONE, LLC 240   2013-04-26   
304-885 8 Charles Town WV 318J COMCAST IP PHONE, LLC 240   2014-11-20   

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Last updated: Tue, 16 Apr 2024 01:38:01 UTC

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