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.

White Mountain, AK

NPA-NXX BLOCK Switch OCN LATA LIR Eff date Disc date
907-638 A WTMTAKXADS0  3016 MUKLUK TEL. CO., INC. 832      
907-658 A WTMTAKGCCM0  6872 GCI COMMUNICATION CORP. DBA GENERAL COMMUNICATION 832      

Last updated: Sun, 07 Dec 2025 22:02:11 UTC

Sponsored by: BeeVox - Whitelabel Reseller Platform

Like this site? We accept donations via PayPal.