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: 808 [Rate centres in NPA 808] [Dial plan for NPA 808]

NXX: 788

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
808-788 A Honolulu HI HNLLHIEL4MD  6529 T-MOBILE USA, INC. 834   2025-02-10   
808-788 0 Honolulu HI   073H TELNYX LLC 834   2025-03-27   
808-788 1 Honolulu HI   6529 T-MOBILE USA, INC. 834   2025-04-05   
808-788 2 Honolulu HI   6529 T-MOBILE USA, INC. 834   2025-04-05   
808-788 3 Honolulu HI   210H ONVOY, LLC - HI 834   2025-12-01   
808-788 4 Honolulu HI   003J TELEPORT COMMUNICATIONS AMERICA, LLC - HI 834   2025-02-11   
808-788 5 Honolulu HI   6516 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - HI 834   2025-12-01   
808-788 6 Honolulu HI   6529 T-MOBILE USA, INC. 834   2025-02-10   
808-788 7 Honolulu HI   6529 T-MOBILE USA, INC. 834   2025-02-10   
808-788 8 Honolulu HI   6529 T-MOBILE USA, INC. 834   2025-02-10   
808-788 9 Honolulu HI   6529 T-MOBILE USA, INC. 834   2025-02-10   

Last updated: Tue, 13 Jan 2026 21:50:02 UTC

Sponsored by: VoIP Much Phone Company

Like this site? We accept donations via PayPal.