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: 291

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
435-291 A Tremonton UT SLKCUTJC4MD  6010 NEW CINGULAR WIRELESS PCS, LLC 660      
435-291 0 Tremonton UT   6010 NEW CINGULAR WIRELESS PCS, LLC 660      
435-291 1 Tremonton UT   871E ONVOY, LLC - UT 660   2020-08-08   
435-291 2 Tremonton UT   871E ONVOY, LLC - UT 660   2018-11-12   
435-291 3 Tremonton UT   871E ONVOY, LLC - UT 660   2019-05-21   
435-291 4 Tremonton UT   871E ONVOY, LLC - UT 660   2019-05-21   
435-291 5 Tremonton UT   871E ONVOY, LLC - UT 660   2020-05-08   
435-291 6 Tremonton UT   7530 TELEPORT COMMUNICATIONS AMERICA, LLC - UT 660   2015-12-03   
435-291 7 Tremonton UT   871E ONVOY, LLC - UT 660   2020-05-08   
435-291 8 Tremonton UT   871E ONVOY, LLC - UT 660   2020-08-08   
435-291 9 Tremonton UT   6010 NEW CINGULAR WIRELESS PCS, LLC 660   2018-02-07   

Last updated: Thu, 01 Jan 2026 03:59:49 UTC

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