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: 377

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
435-377 A St George UT   641H TDS BROADBAND SERVICE LLC 660   2026-10-30   
435-377 2 St George UT   641H TDS BROADBAND SERVICE LLC 660   2026-10-30   
435-377 7 St George UT   883K AHOI LLC 660   2026-11-02   

Last updated: Sat, 10 Oct 2026 15:24:20 UTC

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