Local Calling Guide

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NPA: 435 [Rate centres in NPA 435] [Dial plan for NPA 435]

NXX: 363

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
435-363 A Logan UT SLKDUTYI3MD  3231 LEVEL 3 COMMUNICATIONS, LLC - UT 660      
435-363 0 Logan UT   3231 LEVEL 3 COMMUNICATIONS, LLC - UT 660      
435-363 1 Logan UT   3231 LEVEL 3 COMMUNICATIONS, LLC - UT 660      
435-363 2 Logan UT   3231 LEVEL 3 COMMUNICATIONS, LLC - UT 660   2008-01-31   
435-363 3 Logan UT   3231 LEVEL 3 COMMUNICATIONS, LLC - UT 660   2008-01-31   
435-363 4 Logan UT   3231 LEVEL 3 COMMUNICATIONS, LLC - UT 660      
435-363 5 Logan UT   6529 T-MOBILE USA, INC. 660   2008-07-21   
435-363 6 Logan UT   6010 NEW CINGULAR WIRELESS PCS, LLC 660   2008-07-24   
435-363 7 Logan UT   871E ONVOY, LLC - UT 660   2008-06-14   
435-363 8 Logan UT   145J TERRA NOVA TELECOM INC. 660   2025-02-14   
435-363 9 Logan UT   117F BANDWIDTH.COM CLEC, LLC - UT 660   2010-06-25   

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

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