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]

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NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
928-998 9 Safford AZ   7217 TELEPORT COMMUNICATIONS AMERICA, LLC - AZ 668   2025-04-18   
928-999 A Millsite AZ DEWYAZ01DS0  2226 MIDVALE TELEPHONE EXCHANGE, INC. 666      

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Last updated: Sat, 05 Apr 2025 03:03:23 UTC

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