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]

<< 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 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 >>

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
928-977 0 Yuma AZ   6010 NEW CINGULAR WIRELESS PCS, LLC 666   2025-06-06   
928-977 1 Yuma AZ   939H COMMIO, LLC 666   2021-09-03   
928-977 2 Yuma AZ   3285 LEVEL 3 COMMUNICATIONS, LLC - AZ 666   2020-08-16   
928-977 3 Yuma AZ   939H COMMIO, LLC 666   2021-09-03   
928-977 4 Yuma AZ   939H COMMIO, LLC 666   2021-09-03   
928-977 5 Yuma AZ   939H COMMIO, LLC 666   2021-09-03   
928-977 6 Yuma AZ   6529 T-MOBILE USA, INC. 666   2022-02-07   
928-977 7 Yuma AZ   965H FRACTEL, LLC 666   2020-08-01   
928-977 8 Yuma AZ   630E ONVOY, LLC - AZ 666   2020-12-03   
928-977 9 Yuma AZ   630E ONVOY, LLC - AZ 666   2020-12-03   
928-978 A Payson AZ PHNZAZZJAMD  6572 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - AZ 666      
928-981 A Flagstaff AZ PHNXAZ28DS3  630E ONVOY, LLC - AZ 666      
928-981 0 Flagstaff AZ   6010 NEW CINGULAR WIRELESS PCS, LLC 666   2021-03-11   
928-981 1 Flagstaff AZ   630E ONVOY, LLC - AZ 666   2021-02-05   
928-981 2 Flagstaff AZ   630E ONVOY, LLC - AZ 666   2021-02-05   
928-981 3 Flagstaff AZ   4146 SMITH BAGLEY INC. DBA CELLULAR ONE OF NE ARIZONA 666   2021-04-09   
928-981 4 Flagstaff AZ   6572 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - AZ 666   2021-04-14   
928-981 5 Flagstaff AZ   5562 METROPCS, INC. 666   2021-11-24   
928-981 6 Flagstaff AZ   630E ONVOY, LLC - AZ 666   2023-08-11   
928-981 7 Flagstaff AZ   630E ONVOY, LLC - AZ 666   2023-08-11   
928-981 8 Flagstaff AZ   6529 T-MOBILE USA, INC. 666   2021-02-06   
928-981 9 Flagstaff AZ   6529 T-MOBILE USA, INC. 666   2021-02-06   
928-985 A Safford AZ TCSNAZMAXIX  587F BANDWIDTH.COM CLEC, LLC - AZ 668      
928-985 0 Safford AZ   587F BANDWIDTH.COM CLEC, LLC - AZ 668   2015-03-23   
928-985 1 Safford AZ   587F BANDWIDTH.COM CLEC, LLC - AZ 668   2015-03-23   
928-985 2 Safford AZ   587F BANDWIDTH.COM CLEC, LLC - AZ 668   2015-03-23   
928-985 3 Safford AZ   630E ONVOY, LLC - AZ 668   2016-03-07   
928-985 4 Safford AZ   630E ONVOY, LLC - AZ 668   2016-03-07   
928-985 5 Safford AZ   630E ONVOY, LLC - AZ 668   2016-04-22   
928-985 6 Safford AZ   630E ONVOY, LLC - AZ 668   2016-04-22   
928-985 7 Safford AZ   508J CENTURYLINK COMMUNICATIONS, LLC 668   2015-07-05   
928-985 8 Safford AZ   587F BANDWIDTH.COM CLEC, LLC - AZ 668   2016-05-09   
928-985 9 Safford AZ   587F BANDWIDTH.COM CLEC, LLC - AZ 668   2016-05-09   
928-988 A Yuma AZ PHNDAZ91DS5  3285 LEVEL 3 COMMUNICATIONS, LLC - AZ 666      
928-988 0 Yuma AZ   6529 T-MOBILE USA, INC. 666   2007-12-17   
928-988 1 Yuma AZ   6529 T-MOBILE USA, INC. 666   2007-12-17   
928-988 2 Yuma AZ   6529 T-MOBILE USA, INC. 666   2007-12-17   
928-988 3 Yuma AZ   6529 T-MOBILE USA, INC. 666   2021-11-22   
928-988 4 Yuma AZ   6529 T-MOBILE USA, INC. 666   2021-11-22   
928-988 5 Yuma AZ   6529 T-MOBILE USA, INC. 666   2021-11-22   
928-988 6 Yuma AZ   6529 T-MOBILE USA, INC. 666   2021-01-18   
928-988 7 Yuma AZ   6529 T-MOBILE USA, INC. 666   2021-01-18   
928-988 8 Yuma AZ   597F VOIP INNOVATIONS, LLC 666   2019-02-16   
928-988 9 Yuma AZ   579F PEERLESS NETWORK OF ARIZONA, LLC - AZ 666   2023-09-08   
928-989 A Safford AZ   7217 TELEPORT COMMUNICATIONS AMERICA, LLC - AZ 668   2025-05-05   
928-989 0 Safford AZ   7217 TELEPORT COMMUNICATIONS AMERICA, LLC - AZ 668   2025-05-05   
928-989 1 Safford AZ   7217 TELEPORT COMMUNICATIONS AMERICA, LLC - AZ 668   2025-05-05   
928-989 2 Safford AZ   7217 TELEPORT COMMUNICATIONS AMERICA, LLC - AZ 668   2025-05-05   
928-989 3 Safford AZ   7217 TELEPORT COMMUNICATIONS AMERICA, LLC - AZ 668   2025-05-05   
928-989 4 Safford AZ   7217 TELEPORT COMMUNICATIONS AMERICA, LLC - AZ 668   2025-05-05   
928-989 5 Safford AZ   7217 TELEPORT COMMUNICATIONS AMERICA, LLC - AZ 668   2025-05-05   
928-989 6 Safford AZ   7217 TELEPORT COMMUNICATIONS AMERICA, LLC - AZ 668   2025-05-05   
928-989 7 Safford AZ   7217 TELEPORT COMMUNICATIONS AMERICA, LLC - AZ 668   2025-05-05   
928-989 8 Safford AZ   7217 TELEPORT COMMUNICATIONS AMERICA, LLC - AZ 668   2025-05-05   
928-989 9 Safford AZ   7217 TELEPORT COMMUNICATIONS AMERICA, LLC - AZ 668   2025-05-05   
928-990 A Safford AZ   7217 TELEPORT COMMUNICATIONS AMERICA, LLC - AZ 668   2025-05-05   
928-990 0 Safford AZ   7217 TELEPORT COMMUNICATIONS AMERICA, LLC - AZ 668   2025-05-05   
928-990 1 Safford AZ   7217 TELEPORT COMMUNICATIONS AMERICA, LLC - AZ 668   2025-05-05   
928-990 2 Safford AZ   7217 TELEPORT COMMUNICATIONS AMERICA, LLC - AZ 668   2025-05-05   
928-990 3 Safford AZ   7217 TELEPORT COMMUNICATIONS AMERICA, LLC - AZ 668   2025-05-05   
928-990 4 Safford AZ   7217 TELEPORT COMMUNICATIONS AMERICA, LLC - AZ 668   2025-05-05   
928-990 5 Safford AZ   7217 TELEPORT COMMUNICATIONS AMERICA, LLC - AZ 668   2025-05-05   
928-990 6 Safford AZ   7217 TELEPORT COMMUNICATIONS AMERICA, LLC - AZ 668   2025-05-05   
928-990 7 Safford AZ   7217 TELEPORT COMMUNICATIONS AMERICA, LLC - AZ 668   2025-05-05   
928-990 8 Safford AZ   7217 TELEPORT COMMUNICATIONS AMERICA, LLC - AZ 668   2025-05-05   
928-990 9 Safford AZ   7217 TELEPORT COMMUNICATIONS AMERICA, LLC - AZ 668   2025-05-05   
928-991 A Safford AZ   7217 TELEPORT COMMUNICATIONS AMERICA, LLC - AZ 668   2025-05-05   
928-991 0 Safford AZ   7217 TELEPORT COMMUNICATIONS AMERICA, LLC - AZ 668   2025-05-05   
928-991 1 Safford AZ   7217 TELEPORT COMMUNICATIONS AMERICA, LLC - AZ 668   2025-05-05   
928-991 2 Safford AZ   7217 TELEPORT COMMUNICATIONS AMERICA, LLC - AZ 668   2025-05-05   
928-991 3 Safford AZ   7217 TELEPORT COMMUNICATIONS AMERICA, LLC - AZ 668   2025-05-05   
928-991 4 Safford AZ   7217 TELEPORT COMMUNICATIONS AMERICA, LLC - AZ 668   2025-05-05   
928-991 5 Safford AZ   7217 TELEPORT COMMUNICATIONS AMERICA, LLC - AZ 668   2025-05-05   
928-991 6 Safford AZ   7217 TELEPORT COMMUNICATIONS AMERICA, LLC - AZ 668   2025-05-05   
928-991 7 Safford AZ   7217 TELEPORT COMMUNICATIONS AMERICA, LLC - AZ 668   2025-05-05   
928-991 8 Safford AZ   7217 TELEPORT COMMUNICATIONS AMERICA, LLC - AZ 668   2025-05-05   
928-991 9 Safford AZ   7217 TELEPORT COMMUNICATIONS AMERICA, LLC - AZ 668   2025-05-05   
928-992 A Safford AZ   7217 TELEPORT COMMUNICATIONS AMERICA, LLC - AZ 668   2025-05-05   
928-992 0 Safford AZ   7217 TELEPORT COMMUNICATIONS AMERICA, LLC - AZ 668   2025-05-05   
928-992 1 Safford AZ   7217 TELEPORT COMMUNICATIONS AMERICA, LLC - AZ 668   2025-05-05   
928-992 2 Safford AZ   7217 TELEPORT COMMUNICATIONS AMERICA, LLC - AZ 668   2025-05-05   
928-992 3 Safford AZ   7217 TELEPORT COMMUNICATIONS AMERICA, LLC - AZ 668   2025-05-05   
928-992 4 Safford AZ   7217 TELEPORT COMMUNICATIONS AMERICA, LLC - AZ 668   2025-05-05   
928-992 5 Safford AZ   7217 TELEPORT COMMUNICATIONS AMERICA, LLC - AZ 668   2025-05-05   
928-992 6 Safford AZ   7217 TELEPORT COMMUNICATIONS AMERICA, LLC - AZ 668   2025-05-05   
928-992 7 Safford AZ   7217 TELEPORT COMMUNICATIONS AMERICA, LLC - AZ 668   2025-05-05   
928-992 8 Safford AZ   7217 TELEPORT COMMUNICATIONS AMERICA, LLC - AZ 668   2025-05-05   
928-992 9 Safford AZ   7217 TELEPORT COMMUNICATIONS AMERICA, LLC - AZ 668   2025-05-05   
928-993 A Safford AZ   7217 TELEPORT COMMUNICATIONS AMERICA, LLC - AZ 668   2025-05-05   
928-993 0 Safford AZ   7217 TELEPORT COMMUNICATIONS AMERICA, LLC - AZ 668   2025-05-05   
928-993 1 Safford AZ   7217 TELEPORT COMMUNICATIONS AMERICA, LLC - AZ 668   2025-05-05   
928-993 2 Safford AZ   7217 TELEPORT COMMUNICATIONS AMERICA, LLC - AZ 668   2025-05-05   
928-993 3 Safford AZ   7217 TELEPORT COMMUNICATIONS AMERICA, LLC - AZ 668   2025-05-05   
928-993 4 Safford AZ   7217 TELEPORT COMMUNICATIONS AMERICA, LLC - AZ 668   2025-05-05   
928-993 5 Safford AZ   7217 TELEPORT COMMUNICATIONS AMERICA, LLC - AZ 668   2025-05-05   
928-993 6 Safford AZ   7217 TELEPORT COMMUNICATIONS AMERICA, LLC - AZ 668   2025-05-05   
928-993 7 Safford AZ   7217 TELEPORT COMMUNICATIONS AMERICA, LLC - AZ 668   2025-05-05   
928-993 8 Safford AZ   7217 TELEPORT COMMUNICATIONS AMERICA, LLC - AZ 668   2025-05-05   
928-993 9 Safford AZ   7217 TELEPORT COMMUNICATIONS AMERICA, LLC - AZ 668   2025-05-05   
928-994 A Safford AZ   7217 TELEPORT COMMUNICATIONS AMERICA, LLC - AZ 668   2025-04-18   

<< 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 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 >>

Last updated: Thu, 29 Jan 2026 14:35:03 UTC

Sponsored by: ISP Telecom

Like this site? We accept donations via PayPal.