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: 986 [Rate centres in NPA 986] [Dial plan for NPA 986]

NXX: 636

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
986-636 A Kooskia ID SPKNWADZAMD  516J TON80 COMMUNICATIONS, LLC 676      
986-636 1 Kooskia ID SPKNWA01XUX  7558 LEVEL 3 COMMUNICATIONS, LLC - ID 676   2023-01-08   
986-636 3 Kooskia ID   145J TERRA NOVA TELECOM INC. 676   2025-04-16   
986-636 4 Kooskia ID SPKNWADZAMD  516J TON80 COMMUNICATIONS, LLC 676   2022-03-16   
986-636 7 Kooskia ID   114J EXIANT COMMUNICATIONS LLC 676   2026-10-29   

Last updated: Sat, 10 Oct 2026 15:24:20 UTC

Sponsored by: Callcentric - VoIP Internet phone service

Like this site? We accept donations via PayPal.