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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Switch: BLTMMD91GT0

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NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
667-837 9 Port Deposit MD 2593 CORE COMMUNICATIONS, INC.- MD 238      
667-866 A Darlington MD 2593 CORE COMMUNICATIONS, INC.- MD 238      
667-866 3 Darlington MD 2593 CORE COMMUNICATIONS, INC.- MD 238      
667-866 5 Darlington MD 2593 CORE COMMUNICATIONS, INC.- MD 238      
667-866 6 Darlington MD 2593 CORE COMMUNICATIONS, INC.- MD 238      
667-866 7 Darlington MD 2593 CORE COMMUNICATIONS, INC.- MD 238      
667-866 9 Darlington MD 2593 CORE COMMUNICATIONS, INC.- MD 238      
667-876 A Annapolis MD 2593 CORE COMMUNICATIONS, INC.- MD 238      
667-946 A Churchville MD 2593 CORE COMMUNICATIONS, INC.- MD 238      
667-946 3 Churchville MD 2593 CORE COMMUNICATIONS, INC.- MD 238      
667-946 4 Churchville MD 2593 CORE COMMUNICATIONS, INC.- MD 238      
667-946 5 Churchville MD 2593 CORE COMMUNICATIONS, INC.- MD 238      
667-946 6 Churchville MD 2593 CORE COMMUNICATIONS, INC.- MD 238      
667-946 8 Churchville MD 2593 CORE COMMUNICATIONS, INC.- MD 238      

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Last updated: Wed, 20 Nov 2024 21:20:06 UTC

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