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.

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

Sponsored by: LES.NET

Like this site? We accept donations via PayPal.