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: 772

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
520-772 A Superior AZ PHNXAZ19CMD  516J TON80 COMMUNICATIONS, LLC 666      
520-772 0 Superior AZ PHNXAZ197MD  939H COMMIO, LLC 666   2022-11-04   
520-772 2 Superior AZ PHNXAZ19CMD  516J TON80 COMMUNICATIONS, LLC 666   2022-03-17   
520-772 3 Superior AZ PHNXAZ28DS3  630E ONVOY, LLC - AZ 666   2022-03-18   
520-772 4 Superior AZ PHNXAZ28DS3  630E ONVOY, LLC - AZ 666   2022-03-18   
520-772 8 Superior AZ PHNXAZ19DS3  579F PEERLESS NETWORK OF ARIZONA, LLC - AZ 666   2023-03-19   
520-772 9 Superior AZ PHNXAZ19DS3  579F PEERLESS NETWORK OF ARIZONA, LLC - AZ 666   2022-03-18   

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

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