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 >>

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
442-488 5 Escondido CA   6010 NEW CINGULAR WIRELESS PCS, LLC 732   2020-12-20   
442-488 6 Escondido CA   6010 NEW CINGULAR WIRELESS PCS, LLC 732   2020-12-20   
442-488 7 Escondido CA   6010 NEW CINGULAR WIRELESS PCS, LLC 732   2020-12-20   
442-488 8 Escondido CA   965H FRACTEL, LLC 732   2020-11-15   
442-488 9 Escondido CA   6010 NEW CINGULAR WIRELESS PCS, LLC 732   2020-12-20   
442-489 A Brawley CA   6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 732   2025-05-26   
442-489 0 Brawley CA   6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 732   2025-05-26   
442-489 1 Brawley CA   6529 T-MOBILE USA, INC. 732   2026-02-15   
442-489 2 Brawley CA   6529 T-MOBILE USA, INC. 732   2025-09-01   
442-489 3 Brawley CA   6529 T-MOBILE USA, INC. 732   2025-09-01   
442-489 4 Brawley CA   6529 T-MOBILE USA, INC. 732   2025-09-01   
442-489 5 Brawley CA   6529 T-MOBILE USA, INC. 732   2025-09-01   
442-489 6 Brawley CA   6529 T-MOBILE USA, INC. 732   2025-09-01   
442-489 7 Brawley CA   6529 T-MOBILE USA, INC. 732   2025-09-01   
442-489 8 Brawley CA   6529 T-MOBILE USA, INC. 732   2025-10-19   
442-489 9 Brawley CA   6529 T-MOBILE USA, INC. 732   2025-10-19   
442-490 A Palm Springs CA   700J WAVENATION, LLC 973   2025-09-25   
442-490 0 Palm Springs CA   700J WAVENATION, LLC 973   2025-09-25   
442-490 2 Palm Springs CA   7139 TELEPORT COMMUNICATIONS AMERICA, LLC - CA 973   2026-02-27   
442-491 A Palm Springs CA   981E BANDWIDTH.COM CLEC, LLC - CA 973   2025-10-04   
442-491 0 Palm Springs CA   981E BANDWIDTH.COM CLEC, LLC - CA 973   2025-10-04   
442-492 A Indio CA   6010 NEW CINGULAR WIRELESS PCS, LLC 973   2025-09-28   
442-492 5 Indio CA   6010 NEW CINGULAR WIRELESS PCS, LLC 973   2025-09-28   
442-492 6 Indio CA   6010 NEW CINGULAR WIRELESS PCS, LLC 973   2025-09-28   
442-492 7 Indio CA   6010 NEW CINGULAR WIRELESS PCS, LLC 973   2025-09-28   
442-492 8 Indio CA   6010 NEW CINGULAR WIRELESS PCS, LLC 973   2025-09-28   
442-492 9 Indio CA   6010 NEW CINGULAR WIRELESS PCS, LLC 973   2025-09-28   
442-493 A Victorville: Hesperia DA CA   6529 T-MOBILE USA, INC. 730   2025-12-12   
442-493 0 Victorville: Hesperia DA CA   6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 730   2025-12-15   
442-493 1 Victorville: Hesperia DA CA   6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 730   2025-12-15   
442-493 7 Victorville: Hesperia DA CA   6529 T-MOBILE USA, INC. 730   2025-12-12   
442-493 8 Victorville: Hesperia DA CA   6529 T-MOBILE USA, INC. 730   2025-12-12   
442-493 9 Victorville: Hesperia DA CA   6529 T-MOBILE USA, INC. 730   2025-12-12   
442-494 A Brawley CA   6529 T-MOBILE USA, INC. 732   2025-12-26   
442-494 0 Brawley CA   6529 T-MOBILE USA, INC. 732   2026-02-15   
442-494 1 Brawley CA   6529 T-MOBILE USA, INC. 732   2026-01-16   
442-494 2 Brawley CA   6529 T-MOBILE USA, INC. 732   2026-01-16   
442-494 3 Brawley CA   6529 T-MOBILE USA, INC. 732   2026-01-16   
442-494 4 Brawley CA   6529 T-MOBILE USA, INC. 732   2026-01-16   
442-494 5 Brawley CA   6529 T-MOBILE USA, INC. 732   2026-01-16   
442-494 6 Brawley CA   6529 T-MOBILE USA, INC. 732   2026-01-16   
442-494 7 Brawley CA   6529 T-MOBILE USA, INC. 732   2025-12-26   
442-494 8 Brawley CA   6529 T-MOBILE USA, INC. 732   2025-12-26   
442-494 9 Brawley CA   6529 T-MOBILE USA, INC. 732   2025-12-26   
442-495 A Oceanside: Pendleton DA CA   7147 TELEPORT COMMUNICATIONS AMERICA, LLC - CA 732   2026-03-16   
442-495 5 Oceanside: Pendleton DA CA   7147 TELEPORT COMMUNICATIONS AMERICA, LLC - CA 732   2026-03-16   
442-495 6 Oceanside: Pendleton DA CA   7147 TELEPORT COMMUNICATIONS AMERICA, LLC - CA 732   2026-03-16   
442-495 7 Oceanside: Pendleton DA CA   7147 TELEPORT COMMUNICATIONS AMERICA, LLC - CA 732   2026-03-16   
442-495 8 Oceanside: Pendleton DA CA   7147 TELEPORT COMMUNICATIONS AMERICA, LLC - CA 732   2026-03-16   
442-495 9 Oceanside: Pendleton DA CA   7147 TELEPORT COMMUNICATIONS AMERICA, LLC - CA 732   2026-03-16   

<< 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 >>

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

Sponsored by: ISP Telecom

Like this site? We accept donations via PayPal.