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.

NPA: 667 [Rate centres in NPA 667] [Dial plan for NPA 667]

NXX: 627

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
667-627 A Annapolis MD BLTMMD91GT0  2593 CORE COMMUNICATIONS, INC.- MD 238      
667-627 0 Annapolis MD   2593 CORE COMMUNICATIONS, INC.- MD 238   2018-12-09   
667-627 1 Annapolis MD   2593 CORE COMMUNICATIONS, INC.- MD 238   2018-12-09   
667-627 2 Annapolis MD   2593 CORE COMMUNICATIONS, INC.- MD 238   2018-12-09   
667-627 3 Annapolis MD   2593 CORE COMMUNICATIONS, INC.- MD 238   2018-12-09   
667-627 4 Annapolis MD   2593 CORE COMMUNICATIONS, INC.- MD 238   2018-12-09   
667-627 5 Annapolis MD   2593 CORE COMMUNICATIONS, INC.- MD 238   2018-12-09   
667-627 6 Annapolis MD   2593 CORE COMMUNICATIONS, INC.- MD 238   2018-12-09   
667-627 7 Annapolis MD   2593 CORE COMMUNICATIONS, INC.- MD 238   2018-12-09   
667-627 8 Annapolis MD   2593 CORE COMMUNICATIONS, INC.- MD 238   2018-12-09   
667-627 9 Annapolis MD   2593 CORE COMMUNICATIONS, INC.- MD 238   2018-12-09   

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

Sponsored by: Execulink Telecom

Like this site? We accept donations via PayPal.