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: 867

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
667-867 A Baltimore MD BLTQMD013MD  939H COMMIO, LLC 238      
667-867 0 Baltimore MD BLTMMDCHDMD  551G NUSO, LLC 238   2018-10-14   
667-867 1 Baltimore MD BLTMMDCHDMD  551G NUSO, LLC 238   2018-10-14   
667-867 2 Baltimore MD   2593 CORE COMMUNICATIONS, INC.- MD 238   2018-10-23   
667-867 3 Baltimore MD   2593 CORE COMMUNICATIONS, INC.- MD 238   2018-10-23   
667-867 4 Baltimore MD   2593 CORE COMMUNICATIONS, INC.- MD 238   2018-10-23   
667-867 5 Baltimore MD BLTQMD013MD  939H COMMIO, LLC 238   2017-08-11   
667-867 6 Baltimore MD   2593 CORE COMMUNICATIONS, INC.- MD 238   2018-10-23   
667-867 7 Baltimore MD   2593 CORE COMMUNICATIONS, INC.- MD 238   2018-10-23   
667-867 8 Baltimore MD   2593 CORE COMMUNICATIONS, INC.- MD 238   2018-10-23   
667-867 9 Baltimore MD   2593 CORE COMMUNICATIONS, INC.- MD 238   2018-10-23   

Last updated: Fri, 22 Mar 2024 03:02:44 UTC

Sponsored by: VoIP Much Phone Company

Like this site? We accept donations via PayPal.