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: 297

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
928-297 A Holbrook AZ PHNDAZ91DS5  3285 LEVEL 3 COMMUNICATIONS, LLC - AZ 666      
928-297 0 Holbrook AZ   3285 LEVEL 3 COMMUNICATIONS, LLC - AZ 666      
928-297 2 Holbrook AZ   3285 LEVEL 3 COMMUNICATIONS, LLC - AZ 666   2011-04-16   
928-297 3 Holbrook AZ   630E ONVOY, LLC - AZ 666   2012-10-27   
928-297 4 Holbrook AZ   630E ONVOY, LLC - AZ 666   2012-10-27   
928-297 5 Holbrook AZ   630E ONVOY, LLC - AZ 666   2012-10-27   
928-297 6 Holbrook AZ   630E ONVOY, LLC - AZ 666   2012-10-27   
928-297 7 Holbrook AZ   630E ONVOY, LLC - AZ 666   2012-10-27   
928-297 8 Holbrook AZ   6572 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - AZ 666   2020-08-27   

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

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