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: 453

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
520-453 A Tombstone AZ TCSNAZ75CM0  6572 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - AZ 668      
520-453 1 Tombstone AZ TCSNAZMAX6Y  073H TELNYX LLC 668   2020-11-21   
520-453 2 Tombstone AZ TCSNAZMAXHX  630E ONVOY, LLC - AZ 668   2020-11-24   
520-453 3 Tombstone AZ TCSNAZMAXHX  630E ONVOY, LLC - AZ 668   2020-11-24   
520-453 4 Tombstone AZ TCSNAZMAXHX  630E ONVOY, LLC - AZ 668   2020-09-10   
520-453 5 Tombstone AZ TCSNAZMAXHX  630E ONVOY, LLC - AZ 668   2020-09-10   
520-453 6 Tombstone AZ TCSNAZMAXDY  506J TWILIO INTERNATIONAL INC 668   2020-12-28   
520-453 7 Tombstone AZ TCSMAZCHEMD  321J HD CARRIER LLC 668   2020-11-15   
520-453 8 Tombstone AZ TCSMAZCHEMD  321J HD CARRIER LLC 668   2020-11-15   
520-453 9 Tombstone AZ TCSMAZCHDS0  579F PEERLESS NETWORK OF ARIZONA, LLC - AZ 668   2021-01-03   

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

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