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.

OCN: 883K AHOI LLC

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NPA-NXX BLOCK Rate Centre Region Switch LATA LIR Eff date Disc date
983-900 0 Denver CO DNVRCO26XMY  656   2026-01-04   
986-207 7 Melba ID   652   2026-10-29   
986-261 7 Kamiah ID   676   2026-07-31   
986-278 7 Emmett ID   652   2026-07-31   
986-310 7 Grangeville ID   676   2026-10-29   
986-566 7 Craigmont ID   676   2026-09-19   
989-477 7 East Tawas MI   344   2026-05-23   
989-531 7 Bay City MI   344   2026-07-31   
989-562 A Saginaw MI SGNWMIACSMD  344   2026-05-21   
989-562 6 Saginaw MI SGNWMIACSMD  344   2026-05-21   
989-946 3 Standish MI   344   2026-05-23   
989-994 7 Beaverton MI   344   2026-09-19   
989-999 2 Birch Run MI   344   2026-05-23   

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

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