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: 303 [Rate centres in NPA 303] [Dial plan for NPA 303]

NXX: 967

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
303-967 A Denver CO DNVRCODCDS0  9636 QWEST CORPORATION 656      
303-967 0 Denver CO   9636 QWEST CORPORATION 656      
303-967 1 Denver CO   9636 QWEST CORPORATION 656      
303-967 2 Denver CO   9636 QWEST CORPORATION 656      
303-967 3 Denver CO   939H COMMIO, LLC 656      
303-967 4 Denver CO   9636 QWEST CORPORATION 656      
303-967 5 Denver CO   9636 QWEST CORPORATION 656      
303-967 6 Denver CO   9636 QWEST CORPORATION 656      
303-967 7 Denver CO   9636 QWEST CORPORATION 656      
303-967 8 Denver CO   9636 QWEST CORPORATION 656      
303-967 9 Denver CO   9636 QWEST CORPORATION 656      

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

Sponsored by: Callcentric - VoIP Internet phone service

Like this site? We accept donations via PayPal.