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
443-856 1 Ocean City MD 2593 CORE COMMUNICATIONS, INC.- MD 242   2002-08-23   
667-238 A Preston MD 2593 CORE COMMUNICATIONS, INC.- MD 242      
667-241 A Ridgely MD 2593 CORE COMMUNICATIONS, INC.- MD 242      
667-242 A Rock Hall MD 2593 CORE COMMUNICATIONS, INC.- MD 242      
667-242 3 Rock Hall MD 2593 CORE COMMUNICATIONS, INC.- MD 242   2019-03-29   
667-242 4 Rock Hall MD 2593 CORE COMMUNICATIONS, INC.- MD 242   2019-03-29   
667-242 5 Rock Hall MD 2593 CORE COMMUNICATIONS, INC.- MD 242   2019-03-29   
667-242 6 Rock Hall MD 2593 CORE COMMUNICATIONS, INC.- MD 242   2019-03-29   
667-242 7 Rock Hall MD 2593 CORE COMMUNICATIONS, INC.- MD 242   2019-03-29   
667-243 A Oxford MD 2593 CORE COMMUNICATIONS, INC.- MD 242      
667-243 3 Oxford MD 2593 CORE COMMUNICATIONS, INC.- MD 242   2019-03-29   
667-243 5 Oxford MD 2593 CORE COMMUNICATIONS, INC.- MD 242   2019-03-29   
667-243 6 Oxford MD 2593 CORE COMMUNICATIONS, INC.- MD 242   2019-03-29   
667-244 A Still Pond MD 2593 CORE COMMUNICATIONS, INC.- MD 242      
667-244 5 Still Pond MD 2593 CORE COMMUNICATIONS, INC.- MD 242   2019-03-29   
667-244 6 Still Pond MD 2593 CORE COMMUNICATIONS, INC.- MD 242   2019-03-29   
667-244 7 Still Pond MD 2593 CORE COMMUNICATIONS, INC.- MD 242   2019-03-29   
667-245 A Cecilton MD 2593 CORE COMMUNICATIONS, INC.- MD 242      
667-245 3 Cecilton MD 2593 CORE COMMUNICATIONS, INC.- MD 242   2019-03-28   
667-245 4 Cecilton MD 2593 CORE COMMUNICATIONS, INC.- MD 242   2019-03-28   
667-245 6 Cecilton MD 2593 CORE COMMUNICATIONS, INC.- MD 242   2019-03-28   
667-245 7 Cecilton MD 2593 CORE COMMUNICATIONS, INC.- MD 242   2019-03-22   
667-246 A Centreville MD 2593 CORE COMMUNICATIONS, INC.- MD 242      
667-247 A Chesapeake City MD 2593 CORE COMMUNICATIONS, INC.- MD 242      
667-247 3 Chesapeake City MD 2593 CORE COMMUNICATIONS, INC.- MD 242   2019-03-22   
667-247 4 Chesapeake City MD 2593 CORE COMMUNICATIONS, INC.- MD 242   2019-03-22   
667-247 5 Chesapeake City MD 2593 CORE COMMUNICATIONS, INC.- MD 242   2019-03-22   
667-247 6 Chesapeake City MD 2593 CORE COMMUNICATIONS, INC.- MD 242   2019-03-22   
667-248 A Denton MD 2593 CORE COMMUNICATIONS, INC.- MD 242      
667-248 3 Denton MD 2593 CORE COMMUNICATIONS, INC.- MD 242   2019-03-28   
667-248 4 Denton MD 2593 CORE COMMUNICATIONS, INC.- MD 242   2019-03-28   
667-248 6 Denton MD 2593 CORE COMMUNICATIONS, INC.- MD 242   2019-03-28   
667-248 7 Denton MD 2593 CORE COMMUNICATIONS, INC.- MD 242   2019-03-28   
667-249 A Galena MD 2593 CORE COMMUNICATIONS, INC.- MD 242      
667-249 4 Galena MD 2593 CORE COMMUNICATIONS, INC.- MD 242   2019-03-28   
667-326 A Church Hill MD 2593 CORE COMMUNICATIONS, INC.- MD 242      
667-364 A Stevensville MD 2593 CORE COMMUNICATIONS, INC.- MD 242      
667-364 3 Stevensville MD 2593 CORE COMMUNICATIONS, INC.- MD 242   2019-03-29   
667-364 6 Stevensville MD 2593 CORE COMMUNICATIONS, INC.- MD 242   2019-03-29   
667-364 7 Stevensville MD 2593 CORE COMMUNICATIONS, INC.- MD 242   2019-03-29   
667-372 A Cambridge MD 2593 CORE COMMUNICATIONS, INC.- MD 242      
667-372 7 Cambridge MD 2593 CORE COMMUNICATIONS, INC.- MD 242   2019-03-28   
667-382 A Wingate MD 2593 CORE COMMUNICATIONS, INC.- MD 242      
667-545 A Warwick MD 2593 CORE COMMUNICATIONS, INC.- MD 242      
667-727 A Sudlersville MD 2593 CORE COMMUNICATIONS, INC.- MD 242      
667-727 4 Sudlersville MD 2593 CORE COMMUNICATIONS, INC.- MD 242   2019-03-29   
667-727 5 Sudlersville MD 2593 CORE COMMUNICATIONS, INC.- MD 242   2019-03-29   
667-727 6 Sudlersville MD 2593 CORE COMMUNICATIONS, INC.- MD 242   2019-03-29   
667-727 7 Sudlersville MD 2593 CORE COMMUNICATIONS, INC.- MD 242   2019-03-29   
667-843 A Deal Island MD 2593 CORE COMMUNICATIONS, INC.- MD 242      

Last updated: Wed, 18 Jun 2025 02:30:00 UTC

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