Local Calling Guide

Area code/prefix search

Search area code/prefix (NPA/NXX)
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NPA: 385 [Rate centres in NPA 385] [Dial plan for NPA 385]

NXX: 604

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
385-604 A Provo UT   871E ONVOY, LLC - UT 660   2025-06-07   
385-604 0 Provo UT   871E ONVOY, LLC - UT 660   2025-06-07   
385-604 1 Provo UT   871E ONVOY, LLC - UT 660   2025-06-07   

Last updated: Sun, 27 Apr 2025 12:48:38 UTC

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