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: 238

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
435-238 A Cedar City UT WVCYUT14DS1  871E ONVOY, LLC - UT 660      
435-238 0 Cedar City UT   6529 T-MOBILE USA, INC. 660   2006-07-02   
435-238 1 Cedar City UT   197D VONAGE AMERICA LLC 660   2024-06-14   
435-238 2 Cedar City UT   3231 LEVEL 3 COMMUNICATIONS, LLC - UT 660   2019-07-08   
435-238 3 Cedar City UT   6010 NEW CINGULAR WIRELESS PCS, LLC 660   2011-07-13   
435-238 4 Cedar City UT   3231 LEVEL 3 COMMUNICATIONS, LLC - UT 660   2005-09-10   
435-238 5 Cedar City UT   6529 T-MOBILE USA, INC. 660   2010-05-02   
435-238 6 Cedar City UT   6529 T-MOBILE USA, INC. 660   2011-08-23   
435-238 7 Cedar City UT   871E ONVOY, LLC - UT 660   2006-11-06   
435-238 8 Cedar City UT   6529 T-MOBILE USA, INC. 660   2011-09-08   
435-238 9 Cedar City UT   939H COMMIO, LLC 660   2022-07-28   

Last updated: Tue, 13 Jan 2026 21:50:02 UTC

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