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: 597

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
520-597 A Superior AZ PHNXAZ28DS3  630E ONVOY, LLC - AZ 666      
520-597 0 Superior AZ PHNXAZ28DS3  630E ONVOY, LLC - AZ 666      
520-597 1 Superior AZ PHNXAZ28DS3  630E ONVOY, LLC - AZ 666      
520-597 2 Superior AZ PHNXAZ28DS3  630E ONVOY, LLC - AZ 666      
520-597 3 Superior AZ PHNXAZ19DS3  579F PEERLESS NETWORK OF ARIZONA, LLC - AZ 666      
520-597 4 Superior AZ PHNXAZ28DS3  630E ONVOY, LLC - AZ 666      
520-597 5 Superior AZ PHNXAZ28DS3  630E ONVOY, LLC - AZ 666      
520-597 6 Superior AZ PHNXAZMAXYX  7217 TELEPORT COMMUNICATIONS AMERICA, LLC - AZ 666      
520-597 7 Superior AZ PHNXAZ28DS3  630E ONVOY, LLC - AZ 666      
520-597 8 Superior AZ PHNXAZ28DS3  630E ONVOY, LLC - AZ 666      
520-597 9 Superior AZ PHNXAZ196MD  073H TELNYX LLC 666      

Last updated: Wed, 20 Nov 2024 21:20:06 UTC

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