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: 436

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
520-436 A Hayden AZ TCSNAZMAXHX  630E ONVOY, LLC - AZ 668      
520-436 0 Hayden AZ TCSMAZCH7MD  073H TELNYX LLC 668   2019-12-26   
520-436 1 Hayden AZ TCSMAZCHDS0  579F PEERLESS NETWORK OF ARIZONA, LLC - AZ 668   2020-01-15   
520-436 2 Hayden AZ TCSNAZMAXHX  630E ONVOY, LLC - AZ 668   2020-09-10   
520-436 3 Hayden AZ TCSNAZMAXHX  630E ONVOY, LLC - AZ 668   2020-09-10   
520-436 4 Hayden AZ TCSNAZMAXHX  630E ONVOY, LLC - AZ 668   2020-06-04   
520-436 5 Hayden AZ TCSNAZMAXHX  630E ONVOY, LLC - AZ 668   2020-06-04   
520-436 6 Hayden AZ TCSNAZMAXKX  7217 TELEPORT COMMUNICATIONS AMERICA, LLC - AZ 668   2020-06-20   
520-436 7 Hayden AZ TCSNAZMAXHX  630E ONVOY, LLC - AZ 668   2019-12-02   
520-436 8 Hayden AZ TCSNAZMAXHX  630E ONVOY, LLC - AZ 668   2019-12-02   
520-436 9 Hayden AZ TCSNAZMAXHX  630E ONVOY, LLC - AZ 668   2020-11-24   

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

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