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: 412

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
520-412 A Tombstone AZ TCSMAZCHDS0  579F PEERLESS NETWORK OF ARIZONA, LLC - AZ 668      
520-412 0 Tombstone AZ TCSMAZCH7MD  073H TELNYX LLC 668   2019-05-20   
520-412 1 Tombstone AZ TCSNAZ75CM0  6572 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - AZ 668   2019-02-21   
520-412 2 Tombstone AZ TCSMAZCHDS0  579F PEERLESS NETWORK OF ARIZONA, LLC - AZ 668   2019-08-29   
520-412 3 Tombstone AZ TCSNAZMAXHX  630E ONVOY, LLC - AZ 668   2019-12-09   
520-412 4 Tombstone AZ TCSNAZMAXHX  630E ONVOY, LLC - AZ 668   2019-07-11   
520-412 5 Tombstone AZ TCSNAZMAXHX  630E ONVOY, LLC - AZ 668   2019-07-11   
520-412 6 Tombstone AZ TCSNAZMAXHX  630E ONVOY, LLC - AZ 668   2019-12-09   
520-412 7 Tombstone AZ TCSMAZCHDS0  579F PEERLESS NETWORK OF ARIZONA, LLC - AZ 668   2020-04-05   
520-412 8 Tombstone AZ TCSNAZMAXHX  630E ONVOY, LLC - AZ 668   2020-04-24   
520-412 9 Tombstone AZ TCSMAZCHDS0  579F PEERLESS NETWORK OF ARIZONA, LLC - AZ 668   2018-12-20   

Last updated: Tue, 04 May 2021 15:04:27 UTC

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