Local Calling Guide

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Thatcher, UT

NPA-NXX BLOCK Switch OCN LATA LIR Eff date Disc date
435-854 A THTCUTXCRS1  4429 CITIZENS TELECOM-UTAH DBA FRONTIER COMM OF UT 660      
435-854 0   4429 CITIZENS TELECOM-UTAH DBA FRONTIER COMM OF UT 660      
435-854 1   4429 CITIZENS TELECOM-UTAH DBA FRONTIER COMM OF UT 660      
435-854 2   4429 CITIZENS TELECOM-UTAH DBA FRONTIER COMM OF UT 660      
435-854 3   4429 CITIZENS TELECOM-UTAH DBA FRONTIER COMM OF UT 660      
435-854 7   4429 CITIZENS TELECOM-UTAH DBA FRONTIER COMM OF UT 660      
435-854 8   4429 CITIZENS TELECOM-UTAH DBA FRONTIER COMM OF UT 660      
435-854 9   4429 CITIZENS TELECOM-UTAH DBA FRONTIER COMM OF UT 660      
435-923 A WVCYUT14DS1  871E ONVOY, LLC - UT 660      
435-923 2   871E ONVOY, LLC - UT 660   2021-10-31   
435-923 3   871E ONVOY, LLC - UT 660   2021-06-17   
435-923 4   871E ONVOY, LLC - UT 660   2018-12-17   
435-923 5   871E ONVOY, LLC - UT 660   2021-12-09   

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

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