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: 317

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
520-317 A Hayden AZ TCSNAZMAXHX  630E ONVOY, LLC - AZ 668      
520-317 0 Hayden AZ TCSNAZMAXHX  630E ONVOY, LLC - AZ 668   2017-06-19   
520-317 1 Hayden AZ TCSNAZMAXHX  630E ONVOY, LLC - AZ 668   2017-09-09   
520-317 2 Hayden AZ TCSMAZCHDS0  579F PEERLESS NETWORK OF ARIZONA, LLC - AZ 668   2019-02-27   
520-317 3 Hayden AZ TCSNAZMAXHX  630E ONVOY, LLC - AZ 668   2016-08-12   
520-317 4 Hayden AZ TCSNAZMAXHX  630E ONVOY, LLC - AZ 668   2016-08-12   
520-317 5 Hayden AZ TCSNAZMAXIX  587F BANDWIDTH.COM CLEC, LLC - AZ 668   2019-05-26   
520-317 6 Hayden AZ TCSNAZMAXHX  630E ONVOY, LLC - AZ 668   2019-07-11   
520-317 7 Hayden AZ TCSNAZMAXHX  630E ONVOY, LLC - AZ 668   2019-07-11   
520-317 8 Hayden AZ TCSNAZMAXHX  630E ONVOY, LLC - AZ 668   2017-09-09   
520-317 9 Hayden AZ TCSMAZCH7MD  073H TELNYX LLC 668   2018-05-01   

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

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