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: 477

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
435-477 A Parowan UT PRWNUTMARS1  9636 QWEST CORPORATION 660      
435-477 0 Parowan UT   9636 QWEST CORPORATION 660      
435-477 1 Parowan UT   9636 QWEST CORPORATION 660      
435-477 2 Parowan UT   6571 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - UT 660   2009-05-22   
435-477 3 Parowan UT   9636 QWEST CORPORATION 660      
435-477 4 Parowan UT   073H TELNYX LLC 660   2024-05-06   
435-477 6 Parowan UT   117F BANDWIDTH.COM CLEC, LLC - UT 660   2011-11-25   
435-477 7 Parowan UT   871E ONVOY, LLC - UT 660   2010-12-20   
435-477 8 Parowan UT   9636 QWEST CORPORATION 660      
435-477 9 Parowan UT   9636 QWEST CORPORATION 660      

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

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