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.

Hooker, OK

NPA-NXX BLOCK Switch OCN LATA LIR Eff date Disc date
580-522 A GYMNOK041MD  468B PANHANDLE TELECOMMUNICATIONS SYSTEMS, INC. 546      
580-652 A GYMNOKXADS0  2016 PANHANDLE TELEPHONE COOPERATIVE, INC. 546      
580-709 A   5257 LEVEL 3 COMMUNICATIONS, LLC - OK 546   2026-07-10   
580-709 6   5257 LEVEL 3 COMMUNICATIONS, LLC - OK 546   2026-07-10   

Last updated: Tue, 16 Jun 2026 00:09:45 UTC

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