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: 256

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
435-256 A St George UT WVCYUT14DS1  871E ONVOY, LLC - UT 660      
435-256 0 St George UT   5562 METROPCS, INC. 660   2006-12-22   
435-256 1 St George UT   5562 METROPCS, INC. 660   2007-08-28   
435-256 2 St George UT   5562 METROPCS, INC. 660   2007-08-28   
435-256 3 St George UT   5562 METROPCS, INC. 660   2007-08-28   
435-256 4 St George UT   6529 T-MOBILE USA, INC. 660   2010-02-19   
435-256 5 St George UT   6529 T-MOBILE USA, INC. 660   2006-09-24   
435-256 6 St George UT   716D VERACITY COMMUNICATIONS, INC. - UT 660   2007-04-18   
435-256 7 St George UT   5562 METROPCS, INC. 660   2006-09-05   
435-256 8 St George UT   871E ONVOY, LLC - UT 660   2006-11-10   
435-256 9 St George UT   6571 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - UT 660   2022-07-21   

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

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