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: 277

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
520-277 A Whitlow AZ PHNXAZ28DS3  630E ONVOY, LLC - AZ 666      
520-277 0 Whitlow AZ PHNXAZ19DS3  579F PEERLESS NETWORK OF ARIZONA, LLC - AZ 666      
520-277 1 Whitlow AZ PHNXAZ19DS3  579F PEERLESS NETWORK OF ARIZONA, LLC - AZ 666      
520-277 2 Whitlow AZ PHNXAZ28DS3  630E ONVOY, LLC - AZ 666      
520-277 3 Whitlow AZ PHNXAZ19DS3  579F PEERLESS NETWORK OF ARIZONA, LLC - AZ 666      
520-277 4 Whitlow AZ PHNXAZ19DS3  579F PEERLESS NETWORK OF ARIZONA, LLC - AZ 666      
520-277 5 Whitlow AZ PHNXAZMAXQX  587F BANDWIDTH.COM CLEC, LLC - AZ 666      
520-277 6 Whitlow AZ   145J TERRA NOVA TELECOM INC. 666      
520-277 7 Whitlow AZ PHNXAZ28DS3  630E ONVOY, LLC - AZ 666      
520-277 8 Whitlow AZ PHNXAZ28DS3  630E ONVOY, LLC - AZ 666      
520-277 9 Whitlow AZ PHNXAZ19DS3  579F PEERLESS NETWORK OF ARIZONA, LLC - AZ 666      

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

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