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.
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Switch: HNLLHIELVMD

NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
808-992 A Honolulu HI 478J NUSO, LLC 834   2025-04-12   
808-992 1 Honolulu HI 478J NUSO, LLC 834   2025-04-12   

Last updated: Sat, 01 Aug 2026 03:19:33 UTC

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