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: 265

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
928-265 A Castle Rock AZ PHNZAZZJAMD  6572 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - AZ 666   2025-11-10   
928-265 0 Castle Rock AZ PHNZAZZJAMD  6572 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - AZ 666   2025-11-10   
928-265 9 Castle Rock AZ   6572 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - AZ 666   2026-09-04   

Last updated: Tue, 01 Sep 2026 00:40:05 UTC

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