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:

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
667-330 A Salisbury MD SLBRMDSB8MD  2589 US LEC OF MARYLAND, INC. 242   2012-07-21   
667-330 0 Salisbury MD   2593 CORE COMMUNICATIONS, INC. - MD 242   2018-10-23   
667-330 1 Salisbury MD   2589 US LEC OF MARYLAND, INC. 242   2012-07-21   
667-330 2 Salisbury MD   2593 CORE COMMUNICATIONS, INC. - MD 242   2018-10-23   
667-330 3 Salisbury MD   2593 CORE COMMUNICATIONS, INC. - MD 242   2018-10-23   
667-330 4 Salisbury MD   2593 CORE COMMUNICATIONS, INC. - MD 242   2018-10-23   
667-330 5 Salisbury MD   2593 CORE COMMUNICATIONS, INC. - MD 242   2018-10-23   
667-330 6 Salisbury MD   2593 CORE COMMUNICATIONS, INC. - MD 242   2018-10-23   
667-330 7 Salisbury MD   2593 CORE COMMUNICATIONS, INC. - MD 242   2018-10-23   
667-330 8 Salisbury MD   2593 CORE COMMUNICATIONS, INC. - MD 242   2018-10-23   
667-330 9 Salisbury MD   2593 CORE COMMUNICATIONS, INC. - MD 242   2018-10-23   

Last updated: Tue, 31 Dec 2019 02:37:20 UTC

Sponsored by: VoiceMeUp - Corporate VoIP Services

Like this site? We accept donations via PayPal.