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.

Switch: ESTNMDBNGT0

NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
443-215 A Chestertown MD 2593 CORE COMMUNICATIONS, INC. - MD 242      
443-382 A Cambridge MD 2593 CORE COMMUNICATIONS, INC. - MD 242      
443-385 A Easton MD 2593 CORE COMMUNICATIONS, INC. - MD 242      
443-387 A Pocomoke MD 2593 CORE COMMUNICATIONS, INC. - MD 242      
443-389 A Salisbury MD 2593 CORE COMMUNICATIONS, INC. - MD 242      
443-427 A Princess Anne MD 2593 CORE COMMUNICATIONS, INC. - MD 242      
443-856 A Ocean City MD 2593 CORE COMMUNICATIONS, INC. - MD 242      

Last updated: Sat, 31 Oct 2020 19:28:10 UTC

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