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: 828

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
435-828 A Vernal UT BTRGUTQACM1  1772 UINTAH BASIN ELECTRONIC TELECOMMUNICATIONS 660   2024-01-18   

Last updated: Sun, 07 Dec 2025 22:02:11 UTC

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