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: 600

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
928-600 A Flagstaff AZ TEMPAZNR5MD  6529 T-MOBILE USA, INC. 666      
928-600 0 Flagstaff AZ TEMPAZNR5MD  6529 T-MOBILE USA, INC. 666      
928-600 1 Flagstaff AZ TEMPAZNR5MD  6529 T-MOBILE USA, INC. 666      
928-600 2 Flagstaff AZ TEMPAZNR5MD  6529 T-MOBILE USA, INC. 666      
928-600 3 Flagstaff AZ TEMPAZNR5MD  6529 T-MOBILE USA, INC. 666      
928-600 4 Flagstaff AZ TEMPAZNR5MD  6529 T-MOBILE USA, INC. 666      
928-600 5 Flagstaff AZ TEMPAZNR5MD  6529 T-MOBILE USA, INC. 666      
928-600 6 Flagstaff AZ TEMPAZNR5MD  6529 T-MOBILE USA, INC. 666      
928-600 7 Flagstaff AZ TEMPAZNR5MD  6529 T-MOBILE USA, INC. 666      
928-600 8 Flagstaff AZ TEMPAZNR5MD  6529 T-MOBILE USA, INC. 666   2004-07-19   
928-600 9 Flagstaff AZ   6529 T-MOBILE USA, INC. 666      

Last updated: Fri, 22 Mar 2024 03:02:44 UTC

Sponsored by: Callcentric - VoIP Internet phone service

Like this site? We accept donations via PayPal.