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.

OCN: 630E ONVOY, LLC - AZ

<< 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30

NPA-NXX BLOCK Rate Centre Region Switch LATA LIR Eff date Disc date
928-938 6 Hyder AZ   666   2021-07-04   
928-938 8 Hyder AZ   666   2020-08-01   
928-946 1 Safford AZ   668   2021-07-05   
928-946 5 Safford AZ   668   2021-07-05   
928-946 8 Safford AZ   668   2021-01-16   
928-946 9 Safford AZ   668   2021-01-16   
928-955 4 Yuma AZ   666   2016-04-22   
928-955 7 Yuma AZ   666   2016-02-25   
928-955 8 Yuma AZ   666   2016-02-25   
928-962 A Flagstaff AZ PHNXAZ28DS3  666      
928-963 3 Sedona AZ   666   2013-12-06   
928-963 7 Sedona AZ   666   2013-12-06   
928-963 8 Sedona AZ   666   2023-10-26   
928-968 A Prescott AZ PHNXAZ28DS3  666      
928-968 0 Prescott AZ   666   2021-07-05   
928-968 1 Prescott AZ   666   2021-07-05   
928-968 5 Prescott AZ   666   2021-01-07   
928-968 6 Prescott AZ   666   2021-01-07   
928-968 7 Prescott AZ   666   2021-01-07   
928-968 8 Prescott AZ   666   2021-01-07   
928-970 5 Payson AZ   666   2015-04-23   
928-975 0 Yuma AZ   666   2021-08-08   
928-975 5 Yuma AZ   666   2021-08-08   
928-975 6 Yuma AZ   666   2021-08-08   
928-975 7 Yuma AZ   666   2021-08-08   
928-977 8 Yuma AZ   666   2020-12-03   
928-977 9 Yuma AZ   666   2020-12-03   
928-981 A Flagstaff AZ PHNXAZ28DS3  666      
928-981 1 Flagstaff AZ   666   2021-02-05   
928-981 2 Flagstaff AZ   666   2021-02-05   
928-981 6 Flagstaff AZ   666   2023-08-11   
928-981 7 Flagstaff AZ   666   2023-08-11   
928-985 3 Safford AZ   668   2016-03-07   
928-985 4 Safford AZ   668   2016-03-07   
928-985 5 Safford AZ   668   2016-04-22   
928-985 6 Safford AZ   668   2016-04-22   

<< 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30

Last updated: Tue, 13 Jan 2026 21:50:02 UTC

Sponsored by: Callcentric - VoIP Internet phone service

Like this site? We accept donations via PayPal.