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.

Hollis, OK

NPA-NXX BLOCK Switch OCN LATA LIR Eff date Disc date
580-381 A ENIDOKKI0MD  6272 UNITED STATES CELLULAR - OK 536      
580-381 0 ENIDOKKI0MD  6272 UNITED STATES CELLULAR - OK 536      
580-688 A HLLSOKXARS0  2018 PIONEER TEL. COOP., INC. 536      
580-739 A   6534 NEW CINGULAR WIRELESS PCS, LLC - IL 536      

Last updated: Wed, 20 Nov 2024 21:20:06 UTC

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