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: 679

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
520-679 A Tombstone AZ TCSNAZXGAMD  6572 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - AZ 668      
520-679 0 Tombstone AZ TCSNAZXGAMD  6572 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - AZ 668   2023-07-23   
520-679 1 Tombstone AZ TCSNAZMAXHX  630E ONVOY, LLC - AZ 668   2023-07-24   
520-679 4 Tombstone AZ TCSNAZXGAMD  6572 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - AZ 668   2024-07-17   
520-679 8 Tombstone AZ TCSNAZMAX6Y  073H TELNYX LLC 668   2023-09-18   
520-679 9 Tombstone AZ TCSMAZCHDS0  579F PEERLESS NETWORK OF ARIZONA, LLC - AZ 668   2023-08-10   

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

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