Local Calling Guide

Area code/prefix search

Search area code/prefix (NPA/NXX)
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NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
435-494 0 Brigham City UT 3231 LEVEL 3 COMMUNICATIONS, LLC - UT 660      
435-494 4 Brigham City UT 3231 LEVEL 3 COMMUNICATIONS, LLC - UT 660      
435-503 8 Heber City UT 3231 LEVEL 3 COMMUNICATIONS, LLC - UT 660   2005-12-11   
435-503 9 Heber City UT 3231 LEVEL 3 COMMUNICATIONS, LLC - UT 660   2008-10-23   
435-527 7 Monroe UT 3231 LEVEL 3 COMMUNICATIONS, LLC - UT 660   2005-09-12   
435-535 A Logan UT 3231 LEVEL 3 COMMUNICATIONS, LLC - UT 660      
435-535 0 Logan UT 3231 LEVEL 3 COMMUNICATIONS, LLC - UT 660      
435-535 2 Logan UT 3231 LEVEL 3 COMMUNICATIONS, LLC - UT 660   2008-04-28   
435-547 6 Brian Head UT 3231 LEVEL 3 COMMUNICATIONS, LLC - UT 660   2023-01-08   
435-553 A Brigham City UT 3231 LEVEL 3 COMMUNICATIONS, LLC - UT 660      
435-553 4 Brigham City UT 3231 LEVEL 3 COMMUNICATIONS, LLC - UT 660      
435-554 A Logan UT 3231 LEVEL 3 COMMUNICATIONS, LLC - UT 660      
435-554 0 Logan UT 3231 LEVEL 3 COMMUNICATIONS, LLC - UT 660   2005-12-24   
435-562 A Salina UT 3231 LEVEL 3 COMMUNICATIONS, LLC - UT 660      
435-562 4 Salina UT 3231 LEVEL 3 COMMUNICATIONS, LLC - UT 660   2011-02-26   
435-565 A Park City UT 3231 LEVEL 3 COMMUNICATIONS, LLC - UT 660      
435-565 4 Park City UT 3231 LEVEL 3 COMMUNICATIONS, LLC - UT 660      
435-571 A Park City UT 3231 LEVEL 3 COMMUNICATIONS, LLC - UT 660      
435-571 0 Park City UT 3231 LEVEL 3 COMMUNICATIONS, LLC - UT 660      
435-572 A Cedar City UT 3231 LEVEL 3 COMMUNICATIONS, LLC - UT 660      
435-572 4 Cedar City UT 3231 LEVEL 3 COMMUNICATIONS, LLC - UT 660      
435-572 8 Cedar City UT 3231 LEVEL 3 COMMUNICATIONS, LLC - UT 660   2020-03-27   
435-580 4 Nephi UT 3231 LEVEL 3 COMMUNICATIONS, LLC - UT 660   2004-06-03   
435-599 7 St George UT 3231 LEVEL 3 COMMUNICATIONS, LLC - UT 660   2022-05-05   
435-602 4 Park City UT 3231 LEVEL 3 COMMUNICATIONS, LLC - UT 660   2013-12-21   
435-612 A Monroe UT 3231 LEVEL 3 COMMUNICATIONS, LLC - UT 660      
435-612 4 Monroe UT 3231 LEVEL 3 COMMUNICATIONS, LLC - UT 660      
435-625 A Beaver UT 3231 LEVEL 3 COMMUNICATIONS, LLC - UT 660      
435-625 0 Beaver UT 3231 LEVEL 3 COMMUNICATIONS, LLC - UT 660      
435-633 A Richfield UT 3231 LEVEL 3 COMMUNICATIONS, LLC - UT 660      
435-633 4 Richfield UT 3231 LEVEL 3 COMMUNICATIONS, LLC - UT 660      
435-657 5 Heber City UT 3231 LEVEL 3 COMMUNICATIONS, LLC - UT 660   2008-04-03   
435-659 2 Park City UT 3231 LEVEL 3 COMMUNICATIONS, LLC - UT 660   2011-03-05   
435-659 3 Park City UT 3231 LEVEL 3 COMMUNICATIONS, LLC - UT 660   2011-10-13   
435-671 4 Heber City UT 3231 LEVEL 3 COMMUNICATIONS, LLC - UT 660   2004-10-24   
435-710 A Parowan UT 3231 LEVEL 3 COMMUNICATIONS, LLC - UT 660      
435-710 5 Parowan UT 3231 LEVEL 3 COMMUNICATIONS, LLC - UT 660   2011-02-26   
435-728 A Tooele UT 3231 LEVEL 3 COMMUNICATIONS, LLC - UT 660      
435-728 0 Tooele UT 3231 LEVEL 3 COMMUNICATIONS, LLC - UT 660      
435-767 A St George UT 3231 LEVEL 3 COMMUNICATIONS, LLC - UT 660      
435-767 0 St George UT 3231 LEVEL 3 COMMUNICATIONS, LLC - UT 660      
435-772 9 St George UT 3231 LEVEL 3 COMMUNICATIONS, LLC - UT 660   2004-11-15   
435-856 A Nephi UT 3231 LEVEL 3 COMMUNICATIONS, LLC - UT 660      
435-856 0 Nephi UT 3231 LEVEL 3 COMMUNICATIONS, LLC - UT 660      
435-915 4 Logan UT 3231 LEVEL 3 COMMUNICATIONS, LLC - UT 660   2004-10-19   
435-938 A Logan UT 3231 LEVEL 3 COMMUNICATIONS, LLC - UT 660      
435-938 0 Logan UT 3231 LEVEL 3 COMMUNICATIONS, LLC - UT 660      
435-938 9 Logan UT 3231 LEVEL 3 COMMUNICATIONS, LLC - UT 660   2008-04-28   
801-203 3 Bountiful UT 3231 LEVEL 3 COMMUNICATIONS, LLC - UT 660   2005-02-04   
801-204 9 Salt Lake City UT 3231 LEVEL 3 COMMUNICATIONS, LLC - UT 660   2010-02-25   

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Last updated: Sun, 17 May 2026 03:26:51 UTC

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