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
410-213 4 Ocean City MD 318J COMCAST IP PHONE LLC 242   2018-04-20   
410-275 4 Cecilton MD 318J COMCAST IP PHONE LLC 242   2014-05-12   
410-364 7 Hillsboro MD 318J COMCAST IP PHONE LLC 242   2008-08-30   
410-390 3 Ocean City MD 318J COMCAST IP PHONE LLC 242   2013-07-19   
410-390 5 Ocean City MD 318J COMCAST IP PHONE LLC 242   2015-03-18   
410-390 7 Ocean City MD 318J COMCAST IP PHONE LLC 242   2015-07-09   
410-482 4 Greensboro MD 318J COMCAST IP PHONE LLC 242   2006-07-31   
410-572 4 Salisbury MD 318J COMCAST IP PHONE LLC 242   2015-07-23   
410-621 5 Princess Anne MD 318J COMCAST IP PHONE LLC 242   2006-07-31   
410-634 8 Ridgely MD 318J COMCAST IP PHONE LLC 242   2006-07-31   
410-648 7 Galena MD 318J COMCAST IP PHONE LLC 242   2006-07-31   
410-673 8 Preston MD 318J COMCAST IP PHONE LLC 242   2006-07-31   
410-755 4 Warwick MD 318J COMCAST IP PHONE LLC 242   2014-05-12   
410-784 7 Deal Island MD 318J COMCAST IP PHONE LLC 242   2006-07-31   
410-831 3 Salisbury MD 318J COMCAST IP PHONE LLC 242   2014-10-02   
410-896 5 Delmar MD 318J COMCAST IP PHONE LLC 242   2013-05-30   
410-901 3 Cambridge MD 318J COMCAST IP PHONE LLC 242   2015-08-12   
410-936 A Salisbury MD 318J COMCAST IP PHONE LLC 242      
410-936 1 Salisbury MD 318J COMCAST IP PHONE LLC 242   2019-07-19   
410-943 5 Hurlock MD 318J COMCAST IP PHONE LLC 242   2014-12-12   
410-943 6 Hurlock MD 318J COMCAST IP PHONE LLC 242   2006-07-31   
410-957 7 Pocomoke MD 318J COMCAST IP PHONE LLC 242   2015-08-28   
410-973 2 Berlin MD 318J COMCAST IP PHONE LLC 242   2013-05-30   
443-210 2 Salisbury MD 318J COMCAST IP PHONE LLC 242   2013-03-07   
443-225 5 Cambridge MD 318J COMCAST IP PHONE LLC 242   2006-07-31   
443-225 6 Cambridge MD 318J COMCAST IP PHONE LLC 242   2007-09-20   
443-232 7 Willards MD 318J COMCAST IP PHONE LLC 242   2007-08-08   
443-233 2 Vienna MD 318J COMCAST IP PHONE LLC 242   2007-08-08   
443-234 5 Snow Hill MD 318J COMCAST IP PHONE LLC 242   2006-07-31   
443-323 3 Sharptown MD 318J COMCAST IP PHONE LLC 242   2006-07-31   
443-358 5 Salisbury MD 318J COMCAST IP PHONE LLC 242   2014-03-24   
443-358 6 Salisbury MD 318J COMCAST IP PHONE LLC 242   2017-08-31   
443-359 5 Delmar MD 318J COMCAST IP PHONE LLC 242   2006-07-31   
443-373 2 Ocean City MD 318J COMCAST IP PHONE LLC 242   2016-12-04   
443-373 4 Ocean City MD 318J COMCAST IP PHONE LLC 242   2019-11-26   
443-434 3 Federalsburg MD 318J COMCAST IP PHONE LLC 242   2006-07-31   
443-434 5 Federalsburg MD 318J COMCAST IP PHONE LLC 242   2015-09-21   
443-437 7 Pocomoke MD 318J COMCAST IP PHONE LLC 242   2006-07-31   
443-448 A Denton MD 318J COMCAST IP PHONE LLC 242      
443-448 4 Denton MD 318J COMCAST IP PHONE LLC 242   2006-07-31   
443-448 7 Denton MD 318J COMCAST IP PHONE LLC 242   2015-03-20   
443-477 6 Cambridge MD 318J COMCAST IP PHONE LLC 242   2009-03-19   
443-513 3 Berlin MD 318J COMCAST IP PHONE LLC 242   2017-07-26   
443-513 4 Berlin MD 318J COMCAST IP PHONE LLC 242   2006-07-31   
443-566 5 Chesapeake City MD 318J COMCAST IP PHONE LLC 242   2014-05-11   
443-664 2 Ocean City MD 318J COMCAST IP PHONE LLC 242   2008-04-30   
443-664 5 Ocean City MD 318J COMCAST IP PHONE LLC 242   2012-05-25   
443-664 6 Ocean City MD 318J COMCAST IP PHONE LLC 242   2006-07-31   
443-664 7 Ocean City MD 318J COMCAST IP PHONE LLC 242   2014-11-17   
443-664 8 Ocean City MD 318J COMCAST IP PHONE LLC 242   2017-07-10   

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Last updated: Thu, 04 Aug 2022 23:14:42 UTC

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