Local Calling Guide

Area code/prefix search

Search area code/prefix (NPA/NXX)
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Halchita, UT

NPA-NXX BLOCK Switch OCN LATA LIR Eff date Disc date
435-312 A MNCKUTXC3MD  6010 NEW CINGULAR WIRELESS PCS, LLC 981      
435-739 A HLCHUTXCRL0  4451 NAVAJO COMM CO INC - UT DBA NAVAJO COMM UT 981      

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

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