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
928-651 8 Safford AZ TCSNAZXGAMD  6572 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - AZ 668      
928-651 9 Safford AZ TCSNAZMAXIX  587F BANDWIDTH.COM CLEC, LLC - AZ 668   2012-06-17   
928-652 A Wide Ruins AZ WDRNAZXCRL0  4449 NAVAJO COMM CO INC - AZ DBA FRONTIER NAVAJO COM 980      
928-652 0 Wide Ruins AZ STMCAZXEPS1  4449 NAVAJO COMM CO INC - AZ DBA FRONTIER NAVAJO COM 980      
928-652 1 Wide Ruins AZ STMCAZXE7MD  073H TELNYX LLC 980   2022-08-04   
928-652 4 Wide Ruins AZ STMCAZXEXMD  3285 LEVEL 3 COMMUNICATIONS, LLC - AZ 980   2020-04-13   
928-652 8 Wide Ruins AZ STMCAZXE6MD  6010 NEW CINGULAR WIRELESS PCS, LLC 980   2022-05-30   
928-652 9 Wide Ruins AZ WDRNAZXCRL0  4449 NAVAJO COMM CO INC - AZ DBA FRONTIER NAVAJO COM 980      
928-653 A Red Valley AZ RDVYAZXCRL0  4449 NAVAJO COMM CO INC - AZ DBA FRONTIER NAVAJO COM 980      
928-653 0 Red Valley AZ RDVYAZXCRL0  4449 NAVAJO COMM CO INC - AZ DBA FRONTIER NAVAJO COM 980      
928-653 1 Red Valley AZ STMCAZXEPS1  4449 NAVAJO COMM CO INC - AZ DBA FRONTIER NAVAJO COM 980      
928-653 2 Red Valley AZ STMCAZXEXMD  3285 LEVEL 3 COMMUNICATIONS, LLC - AZ 980   2020-04-13   
928-653 5 Red Valley AZ RDVYAZXCRL0  4449 NAVAJO COMM CO INC - AZ DBA FRONTIER NAVAJO COM 980      
928-653 7 Red Valley AZ STMCAZXE7MD  073H TELNYX LLC 980   2022-07-29   
928-653 8 Red Valley AZ STMCAZXE6MD  6010 NEW CINGULAR WIRELESS PCS, LLC 980   2021-10-22   
928-653 9 Red Valley AZ RDVYAZXCRL0  4449 NAVAJO COMM CO INC - AZ DBA FRONTIER NAVAJO COM 980      
928-654 A Greasewood AZ GSWDAZXCRS0  4449 NAVAJO COMM CO INC - AZ DBA FRONTIER NAVAJO COM 980      
928-654 2 Greasewood AZ STMCAZXEXMD  3285 LEVEL 3 COMMUNICATIONS, LLC - AZ 980   2020-04-13   
928-654 3 Greasewood AZ GSWDAZXCRS0  4449 NAVAJO COMM CO INC - AZ DBA FRONTIER NAVAJO COM 980      
928-654 7 Greasewood AZ STMCAZXE7MD  073H TELNYX LLC 980   2022-07-29   
928-654 8 Greasewood AZ STMCAZXE6MD  6010 NEW CINGULAR WIRELESS PCS, LLC 980   2021-10-22   
928-654 9 Greasewood AZ GSWDAZXCRS0  4449 NAVAJO COMM CO INC - AZ DBA FRONTIER NAVAJO COM 980      
928-655 A Somerton AZ PHNZAZZJAMD  6572 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - AZ 666      
928-655 0 Somerton AZ PHNZAZZJAMD  6572 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - AZ 666   2018-07-29   
928-655 1 Somerton AZ PHNDAZ91DS5  3285 LEVEL 3 COMMUNICATIONS, LLC - AZ 666   2021-06-12   
928-655 2 Somerton AZ PHNZAZZJAMD  6572 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - AZ 666   2024-11-21   
928-655 3 Somerton AZ PHNZAZZJAMD  6572 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - AZ 666   2020-06-24   
928-655 4 Somerton AZ TEMPAZNR5MD  6529 T-MOBILE USA, INC. 666   2020-10-21   
928-655 5 Somerton AZ PHNXAZMAXMD  6010 NEW CINGULAR WIRELESS PCS, LLC 666   2020-02-03   
928-655 6 Somerton AZ PHNXAZ28DS3  630E ONVOY, LLC - AZ 666   2019-07-11   
928-655 7 Somerton AZ PHNXAZMAXMD  6010 NEW CINGULAR WIRELESS PCS, LLC 666   2019-12-28   
928-655 8 Somerton AZ PHNXAZ196MD  073H TELNYX LLC 666   2019-05-20   
928-655 9 Somerton AZ PHNXAZMAXMD  6010 NEW CINGULAR WIRELESS PCS, LLC 666   2018-12-25   
928-656 A Teec Nos Pos AZ TNPSAZXRRS1  4449 NAVAJO COMM CO INC - AZ DBA FRONTIER NAVAJO COM 980      
928-656 0 Teec Nos Pos AZ TNPSAZXRRS1  4449 NAVAJO COMM CO INC - AZ DBA FRONTIER NAVAJO COM 980      
928-656 3 Teec Nos Pos AZ TNPSAZXRRS1  4449 NAVAJO COMM CO INC - AZ DBA FRONTIER NAVAJO COM 980      
928-656 4 Teec Nos Pos AZ TNPSAZXRRS1  4449 NAVAJO COMM CO INC - AZ DBA FRONTIER NAVAJO COM 980      
928-656 5 Teec Nos Pos AZ TNPSAZXRRS1  4449 NAVAJO COMM CO INC - AZ DBA FRONTIER NAVAJO COM 980      
928-656 9 Teec Nos Pos AZ TNPSAZXRRS1  4449 NAVAJO COMM CO INC - AZ DBA FRONTIER NAVAJO COM 980      
928-657 A Dilcon AZ DLKNAZXCRS0  4449 NAVAJO COMM CO INC - AZ DBA FRONTIER NAVAJO COM 980      
928-658 A Dennehotso AZ DNHSAZXCRL0  4449 NAVAJO COMM CO INC - AZ DBA FRONTIER NAVAJO COM 980      
928-658 2 Dennehotso AZ STMCAZXEXMD  3285 LEVEL 3 COMMUNICATIONS, LLC - AZ 980   2020-04-13   
928-658 7 Dennehotso AZ STMCAZXE7MD  073H TELNYX LLC 980   2022-07-29   
928-658 8 Dennehotso AZ STMCAZXE6MD  6010 NEW CINGULAR WIRELESS PCS, LLC 980   2021-10-22   
928-658 9 Dennehotso AZ DNHSAZXCRL0  4449 NAVAJO COMM CO INC - AZ DBA FRONTIER NAVAJO COM 980      
928-659 A Rock Point AZ RKPNAZXCRL0  4449 NAVAJO COMM CO INC - AZ DBA FRONTIER NAVAJO COM 980      
928-659 1 Rock Point AZ STMCAZXE7MD  073H TELNYX LLC 980   2022-08-01   
928-659 2 Rock Point AZ STMCAZXEXMD  3285 LEVEL 3 COMMUNICATIONS, LLC - AZ 980   2020-04-13   
928-659 4 Rock Point AZ RKPNAZXCRL0  4449 NAVAJO COMM CO INC - AZ DBA FRONTIER NAVAJO COM 980      
928-659 8 Rock Point AZ STMCAZXE6MD  6010 NEW CINGULAR WIRELESS PCS, LLC 980   2021-10-22   

<< 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 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: Sat, 10 Oct 2026 15:24:20 UTC

Sponsored by: FiberConX Communications Ltd.

Like this site? We accept donations via PayPal.