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: 309

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
435-309 A Glen Canyon City UT PHNXAZ28DS3  871E ONVOY, LLC - UT 666      
435-309 0 Glen Canyon City UT PHNXAZ28DS3  871E ONVOY, LLC - UT 666   2021-06-26   
435-309 1 Glen Canyon City UT PHNXAZ28VMD  073H TELNYX LLC 666   2021-06-27   
435-309 2 Glen Canyon City UT   526H PEERLESS NETWORK OF UTAH, LLC - UT 666   2025-06-09   
435-309 3 Glen Canyon City UT PHNXAZMAXQY  624H ONVOY SPECTRUM, LLC 666   2021-07-24   
435-309 4 Glen Canyon City UT PHNXAZ28DS3  871E ONVOY, LLC - UT 666   2023-05-11   
435-309 5 Glen Canyon City UT PHNXAZMAXQY  624H ONVOY SPECTRUM, LLC 666   2021-11-20   
435-309 6 Glen Canyon City UT PHNXAZMAXQY  624H ONVOY SPECTRUM, LLC 666   2021-11-20   
435-309 7 Glen Canyon City UT PHNDAZ91DS5  3231 LEVEL 3 COMMUNICATIONS, LLC - UT 666   2023-01-08   
435-309 8 Glen Canyon City UT PHNXAZMAXMD  6010 NEW CINGULAR WIRELESS PCS, LLC 666   2022-06-01   
435-309 9 Glen Canyon City UT PHNXAZ19DS3  526H PEERLESS NETWORK OF UTAH, LLC - UT 666   2021-12-31   

Last updated: Thu, 16 Oct 2025 03:04:18 UTC

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