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: 771

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
435-771 A Monroe UT WVCYUTBXDS0  7530 TELEPORT COMMUNICATIONS AMERICA, LLC - UT 660      
435-771 0 Monroe UT   871E ONVOY, LLC - UT 660   2018-10-11   
435-771 3 Monroe UT   871E ONVOY, LLC - UT 660   2020-12-20   
435-771 4 Monroe UT   871E ONVOY, LLC - UT 660   2020-12-20   
435-771 6 Monroe UT   117F BANDWIDTH.COM CLEC, LLC - UT 660   2021-12-09   
435-771 7 Monroe UT   508J CENTURYLINK COMMUNICATIONS, LLC 660   2017-04-05   
435-771 8 Monroe UT   526H PEERLESS NETWORK OF UTAH, LLC - UT 660   2021-01-14   
435-771 9 Monroe UT   7530 TELEPORT COMMUNICATIONS AMERICA, LLC - UT 660      

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

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