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: 612

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
435-612 A Monroe UT SLKDUTYI3MD  3231 LEVEL 3 COMMUNICATIONS, LLC - UT 660      
435-612 0 Monroe UT   117F BANDWIDTH.COM CLEC, LLC - UT 660   2008-11-29   
435-612 1 Monroe UT   871E ONVOY, LLC - UT 660   2012-09-26   
435-612 2 Monroe UT   117F BANDWIDTH.COM CLEC, LLC - UT 660   2015-05-28   
435-612 3 Monroe UT   6571 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - UT 660   2012-08-20   
435-612 4 Monroe UT   3231 LEVEL 3 COMMUNICATIONS, LLC - UT 660      
435-612 5 Monroe UT   871E ONVOY, LLC - UT 660   2016-03-24   
435-612 6 Monroe UT   526H PEERLESS NETWORK OF UTAH, LLC - UT 660   2015-09-20   
435-612 7 Monroe UT   871E ONVOY, LLC - UT 660   2007-04-20   
435-612 8 Monroe UT   871E ONVOY, LLC - UT 660   2016-03-24   
435-612 9 Monroe UT   073H TELNYX LLC 660   2018-09-21   

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

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