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.
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OCN: 2288 ALL WEST COMMUNICATIONS - UT

NPA-NXX BLOCK Rate Centre Region Switch LATA LIR Eff date Disc date
435-336 A Coalville UT KAMSUTXCDS2  660      
435-782 A Jordanelle UT KAMSUTXCDS2  660      
435-783 A Kamas UT KAMSUTXCDS2  660      
435-785 A Timber Lakes UT KAMSUTXCDS2  660      
435-793 A Randolph UT KAMSUTXCDS2  660      

Last updated: Thu, 16 Oct 2025 03:04:18 UTC

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