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: 309

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
808-309 A Wailuku HI HNLLHIELDS5  486J AIRUS, INC. - HI 834   2024-09-21   
808-309 0 Wailuku HI   486J AIRUS, INC. - HI 834   2025-05-12   
808-309 1 Wailuku HI HNLLHIELDS5  486J AIRUS, INC. - HI 834   2024-09-21   
808-309 6 Wailuku HI   073H TELNYX LLC 834   2025-09-07   

Last updated: Thu, 16 Oct 2025 03:04:18 UTC

Sponsored by: VoIP.ms

Like this site? We accept donations via PayPal.