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: 928 [Rate centres in NPA 928] [Dial plan for NPA 928]

NXX:

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
928-583 A Prescott AZ CHVYAZMADS0  9636 QWEST CORPORATION 666      
928-583 0 Prescott AZ   9636 QWEST CORPORATION 666      
928-583 1 Prescott AZ   9636 QWEST CORPORATION 666      
928-583 2 Prescott AZ   6529 T-MOBILE USA, INC. 666   2008-02-08   
928-583 3 Prescott AZ   6010 NEW CINGULAR WIRELESS PCS, LLC 666   2009-02-17   
928-583 4 Prescott AZ   6572 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - AZ 666   2009-10-03   
928-583 5 Prescott AZ   9636 QWEST CORPORATION 666      
928-583 6 Prescott AZ   9636 QWEST CORPORATION 666      
928-583 7 Prescott AZ   630E ONVOY, LLC - AZ 666   2007-05-25   
928-583 8 Prescott AZ   6529 T-MOBILE USA, INC. 666   2009-05-11   
928-583 9 Prescott AZ   3285 LEVEL 3 COMMUNICATIONS, LLC - AZ 666   2016-04-23   

Last updated: Sun, 10 Nov 2019 13:49:34 UTC

Sponsored by: FiberConX Communications Ltd.

Like this site? We accept donations via PayPal.