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: 403 [Rate centres in NPA 403] [Dial plan for NPA 403]

NXX: 757

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
403-757 A Barons AB BRNSAB01RS2  8084 TELUS COMMUNICATIONS, INC. 888 808407    

Last updated: Wed, 07 Feb 2024 04:12:25 UTC

Sponsored by: Callcentric - VoIP Internet phone service

Like this site? We accept donations via PayPal.