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: 442 [Rate centres in NPA 442] [Dial plan for NPA 442]

<< 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 >>

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
442-404 A Vista CA SNDGCA0200Z  490J BOOST SUBSCRIBERCO L.L.C. 732      
442-404 0 Vista CA SNDICAETAMD  6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 732   2023-08-24   
442-404 1 Vista CA SNDGCA51CM3  6010 NEW CINGULAR WIRELESS PCS, LLC 732   2024-04-14   
442-404 2 Vista CA SNDICAETAMD  6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 732   2024-06-11   
442-404 3 Vista CA SNDICAETAMD  6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 732   2023-11-12   
442-404 4 Vista CA SNDGCAJWDS0  649C ONVOY, LLC - CA 732   2023-10-15   
442-404 5 Vista CA SNDGCAJWDS0  649C ONVOY, LLC - CA 732   2023-10-15   
442-404 6 Vista CA SNDGCA02XOZ  7147 TELEPORT COMMUNICATIONS AMERICA, LLC - CA 732   2023-08-28   
442-404 7 Vista CA ESCNCAKY2MD  6529 T-MOBILE USA, INC. 732   2023-10-25   
442-404 8 Vista CA SNDGCAJWDS0  649C ONVOY, LLC - CA 732   2024-08-13   
442-404 9 Vista CA SNDGCA0200Z  490J BOOST SUBSCRIBERCO L.L.C. 732   2023-08-04   
442-405 A Victorville: Adelanto DA CA RVSDCALBCM4  6010 NEW CINGULAR WIRELESS PCS, LLC 730      
442-405 0 Victorville: Adelanto DA CA RVSDCALBCM4  6010 NEW CINGULAR WIRELESS PCS, LLC 730   2023-07-30   
442-405 1 Victorville: Adelanto DA CA RVSDCALBCM4  6010 NEW CINGULAR WIRELESS PCS, LLC 730   2023-07-30   
442-405 2 Victorville: Adelanto DA CA RVSDCALBCM4  6010 NEW CINGULAR WIRELESS PCS, LLC 730   2023-07-30   
442-405 3 Victorville: Adelanto DA CA RVSDCALBCM4  6010 NEW CINGULAR WIRELESS PCS, LLC 730   2023-07-30   
442-405 4 Victorville: Adelanto DA CA RVSDCALBCM4  6010 NEW CINGULAR WIRELESS PCS, LLC 730   2023-07-30   
442-405 5 Victorville: Adelanto DA CA RVSDCALBCM4  6010 NEW CINGULAR WIRELESS PCS, LLC 730   2023-07-30   
442-405 6 Victorville: Adelanto DA CA RVSDCALBCM4  6010 NEW CINGULAR WIRELESS PCS, LLC 730   2023-07-30   
442-405 7 Victorville: Adelanto DA CA RVSDCALBCM4  6010 NEW CINGULAR WIRELESS PCS, LLC 730   2023-07-30   
442-405 8 Victorville: Adelanto DA CA RVSDCALBCM4  6010 NEW CINGULAR WIRELESS PCS, LLC 730   2023-07-30   
442-405 9 Victorville: Adelanto DA CA RVSDCALBCM4  6010 NEW CINGULAR WIRELESS PCS, LLC 730   2023-07-30   
442-406 A Victorville: Apple Valley DA CA RVSDCALBCM4  6010 NEW CINGULAR WIRELESS PCS, LLC 730      
442-406 0 Victorville: Apple Valley DA CA   6010 NEW CINGULAR WIRELESS PCS, LLC 730   2025-02-10   
442-406 1 Victorville: Apple Valley DA CA RVSDCALBCM4  6010 NEW CINGULAR WIRELESS PCS, LLC 730   2024-08-26   
442-406 2 Victorville: Apple Valley DA CA RVSDCALBCM4  6010 NEW CINGULAR WIRELESS PCS, LLC 730   2024-08-26   
442-406 3 Victorville: Apple Valley DA CA RVSDCALBCM4  6010 NEW CINGULAR WIRELESS PCS, LLC 730   2024-08-26   
442-406 4 Victorville: Apple Valley DA CA RVSDCALBCM4  6010 NEW CINGULAR WIRELESS PCS, LLC 730   2024-08-26   
442-406 5 Victorville: Apple Valley DA CA RVSDCALBCM4  6010 NEW CINGULAR WIRELESS PCS, LLC 730   2024-08-26   
442-406 6 Victorville: Apple Valley DA CA RVSDCALBCM4  6010 NEW CINGULAR WIRELESS PCS, LLC 730   2023-07-30   
442-406 7 Victorville: Apple Valley DA CA RVSDCALBCM4  6010 NEW CINGULAR WIRELESS PCS, LLC 730   2023-07-30   
442-406 8 Victorville: Apple Valley DA CA RVSDCALBCM4  6010 NEW CINGULAR WIRELESS PCS, LLC 730   2023-07-30   
442-406 9 Victorville: Apple Valley DA CA RVSDCALBCM4  6010 NEW CINGULAR WIRELESS PCS, LLC 730   2023-07-30   
442-407 A Palm Springs CA PLSPCAXGX6Y  6010 NEW CINGULAR WIRELESS PCS, LLC 973      
442-407 0 Palm Springs CA PLSPCAXGXPY  649C ONVOY, LLC - CA 973   2023-10-15   
442-407 1 Palm Springs CA PLSPCAXGXPY  649C ONVOY, LLC - CA 973   2023-10-15   
442-407 2 Palm Springs CA PLSPCAXGXSZ  624H ONVOY SPECTRUM, LLC 973   2023-10-30   
442-407 3 Palm Springs CA PLSPCAXGXSZ  624H ONVOY SPECTRUM, LLC 973   2023-10-30   
442-407 4 Palm Springs CA PLSPCAXGXSZ  624H ONVOY SPECTRUM, LLC 973   2023-10-30   
442-407 5 Palm Springs CA PLSPCAXGX6Y  6010 NEW CINGULAR WIRELESS PCS, LLC 973   2023-07-30   
442-407 6 Palm Springs CA PLSPCAXGX6Y  6010 NEW CINGULAR WIRELESS PCS, LLC 973   2023-07-30   
442-407 7 Palm Springs CA PLSPCAXGX6Y  6010 NEW CINGULAR WIRELESS PCS, LLC 973   2023-07-30   
442-407 8 Palm Springs CA PLSPCAXGX6Y  6010 NEW CINGULAR WIRELESS PCS, LLC 973   2023-07-30   
442-407 9 Palm Springs CA PLSPCAXGX6Y  6010 NEW CINGULAR WIRELESS PCS, LLC 973   2023-07-30   
442-409 A Calexico CA SNDGCA51CM3  6010 NEW CINGULAR WIRELESS PCS, LLC 732      
442-409 0 Calexico CA SNDGCAJWDS0  649C ONVOY, LLC - CA 732   2023-10-30   
442-409 1 Calexico CA   6010 NEW CINGULAR WIRELESS PCS, LLC 732   2025-10-17   
442-409 2 Calexico CA SNDGCAJWDS0  649C ONVOY, LLC - CA 732   2023-10-30   
442-409 3 Calexico CA   6010 NEW CINGULAR WIRELESS PCS, LLC 732   2025-12-19   
442-409 4 Calexico CA   145J TERRA NOVA TELECOM INC. 732   2025-11-23   

<< 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 >>

Last updated: Thu, 05 Feb 2026 23:41:55 UTC

Sponsored by: FiberConX Communications Ltd.

Like this site? We accept donations via PayPal.