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 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 >>

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
928-382 3 Salome AZ   630E ONVOY, LLC - AZ 730   2020-08-13   
928-382 4 Salome AZ   630E ONVOY, LLC - AZ 730   2021-07-05   
928-382 5 Salome AZ   624H ONVOY SPECTRUM, LLC 730   2021-07-25   
928-382 6 Salome AZ   7217 TELEPORT COMMUNICATIONS AMERICA, LLC - AZ 730   2020-08-14   
928-382 7 Salome AZ   6010 NEW CINGULAR WIRELESS PCS, LLC 730   2021-05-24   
928-382 8 Salome AZ   630E ONVOY, LLC - AZ 730   2021-01-16   
928-382 9 Salome AZ   630E ONVOY, LLC - AZ 730   2022-06-08   
928-383 A Chinle AZ   6010 NEW CINGULAR WIRELESS PCS, LLC 980      
928-383 0 Chinle AZ   4146 SMITH BAGLEY INC. DBA CELLULAR ONE OF NE ARIZONA 980   2014-10-12   
928-383 1 Chinle AZ   6010 NEW CINGULAR WIRELESS PCS, LLC 980   2026-01-09   
928-383 7 Chinle AZ   3285 LEVEL 3 COMMUNICATIONS, LLC - AZ 980   2020-03-27   
928-383 9 Chinle AZ   6010 NEW CINGULAR WIRELESS PCS, LLC 980   2021-10-22   
928-384 A Supai AZ PHNXAZ28DS3  630E ONVOY, LLC - AZ 666      
928-384 0 Supai AZ   630E ONVOY, LLC - AZ 666   2021-07-05   
928-384 1 Supai AZ   630E ONVOY, LLC - AZ 666   2021-08-08   
928-384 2 Supai AZ   630E ONVOY, LLC - AZ 666   2022-09-23   
928-384 3 Supai AZ   630E ONVOY, LLC - AZ 666   2020-08-13   
928-384 4 Supai AZ   630E ONVOY, LLC - AZ 666   2022-03-11   
928-384 5 Supai AZ   630E ONVOY, LLC - AZ 666   2023-07-24   
928-384 6 Supai AZ   6010 NEW CINGULAR WIRELESS PCS, LLC 666   2023-02-03   
928-384 7 Supai AZ   630E ONVOY, LLC - AZ 666   2021-01-16   
928-384 8 Supai AZ   630E ONVOY, LLC - AZ 666   2021-01-16   
928-384 9 Supai AZ   630E ONVOY, LLC - AZ 666   2021-01-16   
928-385 A Kingman AZ PHNZAZZJAMD  6572 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - AZ 666      
928-385 0 Kingman AZ   6572 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - AZ 666   2020-08-28   
928-385 1 Kingman AZ   6572 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - AZ 666   2020-08-28   
928-385 2 Kingman AZ   6572 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - AZ 666   2020-08-28   
928-385 3 Kingman AZ   6572 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - AZ 666   2020-08-28   
928-385 4 Kingman AZ   6572 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - AZ 666   2020-08-28   
928-385 5 Kingman AZ   6572 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - AZ 666   2020-08-28   
928-385 6 Kingman AZ   6572 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - AZ 666   2020-08-28   
928-385 7 Kingman AZ   630E ONVOY, LLC - AZ 666   2023-10-14   
928-385 8 Kingman AZ   6529 T-MOBILE USA, INC. 666   2022-04-17   
928-385 9 Kingman AZ   6529 T-MOBILE USA, INC. 666   2022-04-17   
928-386 A Winslow AZ PHNZAZZJAMD  6572 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - AZ 666      
928-386 0 Winslow AZ   6572 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - AZ 666      
928-386 1 Winslow AZ   6572 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - AZ 666      
928-386 2 Winslow AZ   6572 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - AZ 666      
928-386 3 Winslow AZ   6572 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - AZ 666      
928-386 4 Winslow AZ   630E ONVOY, LLC - AZ 666   2016-07-31   
928-386 5 Winslow AZ   6572 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - AZ 666      
928-386 6 Winslow AZ   145J TERRA NOVA TELECOM INC. 666   2024-08-07   
928-386 7 Winslow AZ   630E ONVOY, LLC - AZ 666   2016-07-31   
928-386 8 Winslow AZ   6572 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - AZ 666      
928-386 9 Winslow AZ   6572 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - AZ 666      
928-387 A Safford AZ SFFRAZMADS0  9636 QWEST CORPORATION 668      
928-387 0 Safford AZ   9636 QWEST CORPORATION 668   2009-11-13   
928-387 1 Safford AZ   145J TERRA NOVA TELECOM INC. 668   2024-12-03   
928-387 2 Safford AZ   6010 NEW CINGULAR WIRELESS PCS, LLC 668   2025-01-19   
928-387 3 Safford AZ   6572 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - AZ 668   2025-12-04   

<< 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 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 >>

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

Sponsored by: FiberConX Communications Ltd.

Like this site? We accept donations via PayPal.