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: 522

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
520-522 A Casa Blanca AZ PHNXAZ19AMD  965H FRACTEL LLC 666      
520-522 2 Casa Blanca AZ   965H FRACTEL LLC 666   2020-08-01   
520-522 7 Casa Blanca AZ   516J TON80 COMMUNICATIONS LLC 666   2022-03-17   

Last updated: Fri, 01 Jul 2022 02:53:40 UTC

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