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.
  • If you want to search an entire area code regardless of activity, leave both the next and past days fields set to zero.

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NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
443-665 4 Nanticoke MD 318J COMCAST IP PHONE, LLC 242   2006-07-31   
443-669 1 Delmar MD 318J COMCAST IP PHONE, LLC 242   2021-03-08   
443-727 8 Bishopville MD 318J COMCAST IP PHONE, LLC 242   2007-08-08   
443-736 3 Salisbury MD 318J COMCAST IP PHONE, LLC 242   2008-03-26   
443-736 4 Salisbury MD 318J COMCAST IP PHONE, LLC 242   2008-03-26   
443-736 7 Salisbury MD 318J COMCAST IP PHONE, LLC 242   2007-10-29   
443-736 8 Salisbury MD 318J COMCAST IP PHONE, LLC 242   2007-10-29   
443-859 8 Salisbury MD 318J COMCAST IP PHONE, LLC 242   2007-08-13   
443-888 4 Princess Anne MD 318J COMCAST IP PHONE, LLC 242   2021-03-08   
443-888 6 Princess Anne MD 318J COMCAST IP PHONE, LLC 242   2014-10-02   
443-944 A Salisbury MD 318J COMCAST IP PHONE, LLC 242      
443-944 0 Salisbury MD 318J COMCAST IP PHONE, LLC 242   2006-07-30   
443-944 8 Salisbury MD 318J COMCAST IP PHONE, LLC 242   2007-01-08   
443-944 9 Salisbury MD 318J COMCAST IP PHONE, LLC 242   2007-01-08   
443-972 8 Cambridge MD 318J COMCAST IP PHONE, LLC 242   2021-03-08   
443-978 7 Salisbury MD 318J COMCAST IP PHONE, LLC 242   2016-03-08   
443-978 8 Salisbury MD 318J COMCAST IP PHONE, LLC 242   2016-01-18   
667-221 5 Salisbury MD 318J COMCAST IP PHONE, LLC 242   2021-03-02   
667-288 1 Berlin MD 318J COMCAST IP PHONE, LLC 242   2021-02-26   
667-288 3 Berlin MD 318J COMCAST IP PHONE, LLC 242   2021-02-26   
667-302 6 Cecilton MD 318J COMCAST IP PHONE, LLC 242   2022-07-05   
667-342 4 Preston MD 318J COMCAST IP PHONE, LLC 242   2022-07-05   
667-418 A Greensboro MD 318J COMCAST IP PHONE, LLC 242      
667-418 4 Greensboro MD 318J COMCAST IP PHONE, LLC 242   2022-12-11   
667-661 2 Snow Hill MD 318J COMCAST IP PHONE, LLC 242   2023-04-01   
667-663 2 Ocean City MD 318J COMCAST IP PHONE, LLC 242   2021-03-02   
667-743 0 Queenstown MD 318J COMCAST IP PHONE, LLC 242   2023-12-31   
667-766 1 Stevensville MD 318J COMCAST IP PHONE, LLC 242   2023-12-31   
667-853 6 Pocomoke MD 318J COMCAST IP PHONE, LLC 242   2022-12-28   

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

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