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
928-256 A Yuma AZ   6529 T-MOBILE USA, INC. 666      
928-256 0 Yuma AZ   579F PEERLESS NETWORK OF ARIZONA, LLC - AZ 666   2017-06-25   
928-256 1 Yuma AZ   5562 METRO PCS, INC. 666   2016-09-13   
928-256 2 Yuma AZ   5562 METRO PCS, INC. 666   2016-09-19   
928-256 3 Yuma AZ   696F TIME WARNER CABLE INFO SVCS (ARIZONA), LLC - AZ 666   2016-12-19   
928-256 4 Yuma AZ   630E ONVOY, LLC - AZ 666   2017-02-09   
928-256 5 Yuma AZ   630E ONVOY, LLC - AZ 666   2017-06-19   
928-256 6 Yuma AZ   5562 METRO PCS, INC. 666   2018-03-29   
928-256 7 Yuma AZ   5562 METRO PCS, INC. 666   2020-02-18   
928-256 8 Yuma AZ   6529 T-MOBILE USA, INC. 666   2016-12-22   
928-256 9 Yuma AZ   6529 T-MOBILE USA, INC. 666   2016-09-12   

Last updated: Sat, 11 Jul 2020 20:37:26 UTC

Sponsored by: VoIP Much Phone Company

Like this site? We accept donations via PayPal.