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: 366

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
435-366 A St George UT   641H TDS BROADBAND SERVICE LLC 660   2025-11-08   
435-366 2 St George UT   641H TDS BROADBAND SERVICE LLC 660   2025-11-08   
435-366 6 St George UT   145J TERRA NOVA TELECOM INC. 660   2025-11-10   

Last updated: Thu, 16 Oct 2025 03:04:18 UTC

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