Local Calling Guide

Area code/prefix search

Search area code/prefix (NPA/NXX)
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NPA: 520 [Rate centres in NPA 520] [Dial plan for NPA 520]

NXX: 560

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
520-560 A Casa Grande AZ PHNXAZMAXMD  6010 NEW CINGULAR WIRELESS PCS, LLC 666      

Last updated: Sun, 26 Jan 2025 15:59:20 UTC

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