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: 659

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
928-659 A Rock Point AZ RKPNAZXCRL0  4449 NAVAJO COMM CO INC - AZ DBA FRONTIER NAVAJO COM 980      
928-659 1 Rock Point AZ   073H TELNYX LLC 980   2022-08-01   
928-659 2 Rock Point AZ   3285 LEVEL 3 COMMUNICATIONS, LLC - AZ 980   2020-04-13   
928-659 4 Rock Point AZ   4449 NAVAJO COMM CO INC - AZ DBA FRONTIER NAVAJO COM 980      
928-659 8 Rock Point AZ   6010 NEW CINGULAR WIRELESS PCS, LLC 980   2021-10-22   
928-659 9 Rock Point AZ   4449 NAVAJO COMM CO INC - AZ DBA FRONTIER NAVAJO COM 980      

Last updated: Thu, 29 Jan 2026 14:35:03 UTC

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