Local Calling Guide

Area code/prefix search

Search area code/prefix (NPA/NXX)
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NPA: 928 [Rate centres in NPA 928] [Dial plan for NPA 928]

NXX: 312

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
928-312 A Prescott AZ PHNDAZ91DS5  3285 LEVEL 3 COMMUNICATIONS, LLC - AZ 666      
928-312 0 Prescott AZ PHNAAZGY3MD  073H TELNYX LLC 666   2022-07-29   
928-312 2 Prescott AZ PHNDAZ91DS5  3285 LEVEL 3 COMMUNICATIONS, LLC - AZ 666   2015-03-15   

Last updated: Sun, 26 Jan 2025 15:59:20 UTC

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