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.

Switch: MILNHISIDS0

NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
808-320 A Lihue HI 3021 SANDWICH ISLES COMMUNICATIONS, INC. 834      
808-320 9 Lihue HI 3021 SANDWICH ISLES COMMUNICATIONS, INC. 834   2007-04-08   
808-426 A Honolulu HI 3021 SANDWICH ISLES COMMUNICATIONS, INC. 834      
808-426 1 Honolulu HI 3021 SANDWICH ISLES COMMUNICATIONS, INC. 834      
808-426 9 Honolulu HI 3021 SANDWICH ISLES COMMUNICATIONS, INC. 834      
808-560 A Kaunakakai HI 3021 SANDWICH ISLES COMMUNICATIONS, INC. 834      
808-740 A Wailuku HI 3021 SANDWICH ISLES COMMUNICATIONS, INC. 834      
808-740 9 Wailuku HI 3021 SANDWICH ISLES COMMUNICATIONS, INC. 834   2010-03-07   
808-770 A Lanai City HI 3021 SANDWICH ISLES COMMUNICATIONS, INC. 834      
808-920 A Hilo HI 3021 SANDWICH ISLES COMMUNICATIONS, INC. 834      

Last updated: Tue, 01 Sep 2026 00:40:05 UTC

Sponsored by: Execulink Telecom

Like this site? We accept donations via PayPal.