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: 250

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
928-250 A Safford AZ   6529 T-MOBILE USA, INC. 668      
928-250 0 Safford AZ   073H TELNYX LLC 668   2017-03-23   
928-250 1 Safford AZ   630E ONVOY, LLC - AZ 668   2017-06-22   
928-250 2 Safford AZ   5562 METRO PCS, INC. 668   2019-08-20   
928-250 3 Safford AZ   5562 METRO PCS, INC. 668   2020-02-28   
928-250 4 Safford AZ   5562 METRO PCS, INC. 668   2020-02-28   
928-250 5 Safford AZ   073H TELNYX LLC 668   2020-02-03   
928-250 6 Safford AZ   587F BANDWIDTH.COM CLEC, LLC - AZ 668   2020-05-11   
928-250 7 Safford AZ   073H TELNYX LLC 668   2019-05-20   
928-250 8 Safford AZ   6010 NEW CINGULAR WIRELESS PCS, LLC 668   2019-01-21   
928-250 9 Safford AZ   6529 T-MOBILE USA, INC. 668   2016-08-11   

Last updated: Sun, 29 Nov 2020 13:13:58 UTC

Sponsored by: VoIP Much Phone Company

Like this site? We accept donations via PayPal.