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: 657

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
435-657 A Heber City UT HBCYUTMADS0  9636 QWEST CORPORATION 660      
435-657 0 Heber City UT   9636 QWEST CORPORATION 660      
435-657 1 Heber City UT   9636 QWEST CORPORATION 660      
435-657 2 Heber City UT   9636 QWEST CORPORATION 660      
435-657 3 Heber City UT   9636 QWEST CORPORATION 660      
435-657 4 Heber City UT   9636 QWEST CORPORATION 660      
435-657 5 Heber City UT   3231 LEVEL 3 COMMUNICATIONS, LLC - UT 660   2008-04-03   
435-657 6 Heber City UT   3881 ALL WEST/UTAH, INC. 660   2008-07-31   
435-657 7 Heber City UT   716D VERACITY COMMUNICATIONS, INC. - UT 660   2009-08-08   
435-657 8 Heber City UT   5727 FIRSTDIGITAL TELECOM, LLC - UT 660   2006-08-07   
435-657 9 Heber City UT   9636 QWEST CORPORATION 660      

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

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