Local Calling Guide

Area code/prefix search

Search area code/prefix (NPA/NXX)
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NPA: 480 [Rate centres in NPA 480] [Dial plan for NPA 480]

NXX: 623

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
480-623 A Phoenix AZ   883K AHOI LLC 666   2026-04-20   
480-623 3 Phoenix AZ   883K AHOI LLC 666   2026-04-20   

Last updated: Wed, 04 Mar 2026 03:00:52 UTC

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