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
240-284 2 Frostburg MD 318J COMCAST IP PHONE, LLC 240   2010-03-05   
240-288 A Thurmont MD 318J COMCAST IP PHONE, LLC 240      
240-288 7 Thurmont MD 318J COMCAST IP PHONE, LLC 240   2015-04-03   
240-288 8 Thurmont MD 318J COMCAST IP PHONE, LLC 240   2007-04-07   
240-341 2 Buckeystown MD 318J COMCAST IP PHONE, LLC 240   2013-11-08   
240-341 4 Buckeystown MD 318J COMCAST IP PHONE, LLC 240   2014-11-25   
240-341 7 Buckeystown MD 318J COMCAST IP PHONE, LLC 240   2015-07-21   
240-343 8 Hancock MD 318J COMCAST IP PHONE, LLC 240   2016-06-20   
240-382 1 Hagerstown MD 318J COMCAST IP PHONE, LLC 240   2009-12-31   
240-439 4 Frederick MD 318J COMCAST IP PHONE, LLC 240   2010-07-03   
240-442 5 Oakland MD 318J COMCAST IP PHONE, LLC 240   2008-01-30   
240-457 4 Frederick MD 318J COMCAST IP PHONE, LLC 240   2011-06-20   
240-488 4 Oakland MD 318J COMCAST IP PHONE, LLC 240   2015-06-10   
240-490 5 Middletown MD 318J COMCAST IP PHONE, LLC 240   2012-05-05   
240-490 7 Middletown MD 318J COMCAST IP PHONE, LLC 240   2007-04-07   
240-490 8 Middletown MD 318J COMCAST IP PHONE, LLC 240   2014-09-21   
240-575 9 Frederick MD 318J COMCAST IP PHONE, LLC 240   2008-03-19   
240-578 4 Frederick MD 318J COMCAST IP PHONE, LLC 240   2014-01-14   
240-594 3 Bittinger MD 318J COMCAST IP PHONE, LLC 240   2020-07-17   
240-629 8 Frederick MD 318J COMCAST IP PHONE, LLC 240   2008-08-20   
240-651 0 Frederick MD 318J COMCAST IP PHONE, LLC 240   2014-05-10   
240-651 1 Frederick MD 318J COMCAST IP PHONE, LLC 240   2015-12-16   
240-651 3 Frederick MD 318J COMCAST IP PHONE, LLC 240   2014-08-30   
240-651 5 Frederick MD 318J COMCAST IP PHONE, LLC 240   2012-06-30   
240-656 1 Frederick MD 318J COMCAST IP PHONE, LLC 240   2021-03-14   
240-739 3 Frederick MD 318J COMCAST IP PHONE, LLC 240   2021-03-14   
240-769 2 Keedysville MD 318J COMCAST IP PHONE, LLC 240   2023-03-18   
240-815 5 Frederick MD 318J COMCAST IP PHONE, LLC 240   2016-05-05   
240-815 6 Frederick MD 318J COMCAST IP PHONE, LLC 240   2016-08-26   
240-815 7 Frederick MD 318J COMCAST IP PHONE, LLC 240   2017-05-23   
240-819 8 Williamsport MD 318J COMCAST IP PHONE, LLC 240   2023-02-27   
240-822 3 New Market MD 318J COMCAST IP PHONE, LLC 240   2021-10-03   
240-822 5 New Market MD 318J COMCAST IP PHONE, LLC 240   2021-10-03   
240-831 4 Frederick MD 318J COMCAST IP PHONE, LLC 240   2018-06-16   
240-870 2 Middletown MD 318J COMCAST IP PHONE, LLC 240   2017-05-23   
240-877 7 Frederick MD 318J COMCAST IP PHONE, LLC 240   2016-11-06   
240-913 4 Damascus (Hagerstown LATA) MD 318J COMCAST IP PHONE, LLC 240   2018-02-02   
240-915 2 New Market MD 318J COMCAST IP PHONE, LLC 240   2017-03-10   
240-915 5 New Market MD 318J COMCAST IP PHONE, LLC 240   2021-03-08   
240-943 A Frostburg MD 318J COMCAST IP PHONE, LLC 240      
240-943 2 Frostburg MD 318J COMCAST IP PHONE, LLC 240   2022-09-26   
301-228 9 Frederick MD 318J COMCAST IP PHONE, LLC 240   2018-01-01   
301-241 2 Highfield MD 318J COMCAST IP PHONE, LLC 240   2010-03-02   
301-304 A Walkersville MD 318J COMCAST IP PHONE, LLC 240      
301-304 0 Walkersville MD 318J COMCAST IP PHONE, LLC 240   2007-04-20   
301-304 2 Walkersville MD 318J COMCAST IP PHONE, LLC 240   2011-03-24   
301-304 5 Walkersville MD 318J COMCAST IP PHONE, LLC 240   2013-02-08   
301-304 9 Walkersville MD 318J COMCAST IP PHONE, LLC 240   2015-02-27   
301-359 5 Westernport MD 318J COMCAST IP PHONE, LLC 240   2010-03-05   
301-360 5 Frederick MD 318J COMCAST IP PHONE, LLC 240   2016-02-09   

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Last updated: Sun, 18 Aug 2024 23:40:19 UTC

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