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: 500

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
667-500 A Annapolis MD BLTMMD91GT0  2593 CORE COMMUNICATIONS, INC.- MD 238      
667-500 0 Annapolis MD   2593 CORE COMMUNICATIONS, INC.- MD 238      
667-500 1 Annapolis MD   2593 CORE COMMUNICATIONS, INC.- MD 238      
667-500 2 Annapolis MD BLTOMDKHBMD  6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD 238      
667-500 3 Annapolis MD BLTOMDKHBMD  6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD 238      
667-500 4 Annapolis MD BLTOMDKHBMD  6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD 238      
667-500 5 Annapolis MD   2593 CORE COMMUNICATIONS, INC.- MD 238      
667-500 6 Annapolis MD   2593 CORE COMMUNICATIONS, INC.- MD 238      
667-500 7 Annapolis MD   2593 CORE COMMUNICATIONS, INC.- MD 238      
667-500 8 Annapolis MD   2593 CORE COMMUNICATIONS, INC.- MD 238      
667-500 9 Annapolis MD   2593 CORE COMMUNICATIONS, INC.- MD 238      

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

Sponsored by: VoIP Much Phone Company

Like this site? We accept donations via PayPal.