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: 253

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
520-253 A Willcox AZ TCSNAZXGAMD  6572 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - AZ 668      
520-253 0 Willcox AZ   6572 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - AZ 668      
520-253 1 Willcox AZ   6572 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - AZ 668      
520-253 2 Willcox AZ   6572 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - AZ 668      
520-253 3 Willcox AZ   587F BANDWIDTH.COM CLEC, LLC - AZ 668   2012-02-10   
520-253 4 Willcox AZ   630E ONVOY, LLC - AZ 668   2012-12-17   
520-253 5 Willcox AZ   630E ONVOY, LLC - AZ 668   2012-12-17   
520-253 6 Willcox AZ   630E ONVOY, LLC - AZ 668   2012-12-17   
520-253 7 Willcox AZ   630E ONVOY, LLC - AZ 668   2012-12-17   
520-253 8 Willcox AZ   587F BANDWIDTH.COM CLEC, LLC - AZ 668   2014-03-22   
520-253 9 Willcox AZ   6572 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - AZ 668      

Last updated: Thu, 29 Jan 2026 14:35:03 UTC

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