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: 580

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
435-580 A Nephi UT DRPRUTKJ0MD  6529 T-MOBILE USA, INC. 660      
435-580 0 Nephi UT   871E ONVOY, LLC - UT 660   2005-05-20   
435-580 2 Nephi UT   871E ONVOY, LLC - UT 660   2012-12-15   
435-580 3 Nephi UT   6529 T-MOBILE USA, INC. 660   2022-11-30   
435-580 4 Nephi UT   3231 LEVEL 3 COMMUNICATIONS, LLC - UT 660   2004-06-03   
435-580 5 Nephi UT   871E ONVOY, LLC - UT 660   2012-12-15   
435-580 6 Nephi UT   871E ONVOY, LLC - UT 660   2012-12-15   
435-580 7 Nephi UT   871E ONVOY, LLC - UT 660   2012-12-15   
435-580 8 Nephi UT   871E ONVOY, LLC - UT 660   2012-09-26   
435-580 9 Nephi UT   5562 METROPCS, INC. 660      

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

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