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: 532

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
520-532 A Casa Grande AZ PHNXAZ28DS3  630E ONVOY, LLC - AZ 666      
520-532 0 Casa Grande AZ   624H ONVOY SPECTRUM, LLC 666   2021-02-23   
520-532 1 Casa Grande AZ   630E ONVOY, LLC - AZ 666   2021-02-20   
520-532 2 Casa Grande AZ   630E ONVOY, LLC - AZ 666   2021-02-20   
520-532 3 Casa Grande AZ   630E ONVOY, LLC - AZ 666   2021-02-20   
520-532 4 Casa Grande AZ   630E ONVOY, LLC - AZ 666   2021-02-20   
520-532 5 Casa Grande AZ   630E ONVOY, LLC - AZ 666   2021-02-20   
520-532 6 Casa Grande AZ   624H ONVOY SPECTRUM, LLC 666   2021-02-23   
520-532 7 Casa Grande AZ   624H ONVOY SPECTRUM, LLC 666   2021-02-23   
520-532 8 Casa Grande AZ   624H ONVOY SPECTRUM, LLC 666   2021-02-23   
520-532 9 Casa Grande AZ   624H ONVOY SPECTRUM, LLC 666   2021-02-23   

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

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