Local Calling Guide

Area code/prefix search

Search area code/prefix (NPA/NXX)
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NPA: 435 [Rate centres in NPA 435] [Dial plan for NPA 435]

NXX: 203

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
435-203 A Mount Pleasant UT SLKCUTJC4MD  6010 NEW CINGULAR WIRELESS PCS, LLC 660      
435-203 6 Mount Pleasant UT SLKCUTJCGT1  6010 NEW CINGULAR WIRELESS PCS, LLC 660   2010-11-11   
435-203 7 Mount Pleasant UT SLKCUTJCGT1  6010 NEW CINGULAR WIRELESS PCS, LLC 660   2018-12-22   

Last updated: Sat, 05 Apr 2025 03:03:23 UTC

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