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: 255

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
520-255 A Sierra Vista AZ TCSNAZXGAMD  6572 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - AZ 668      
520-255 0 Sierra Vista AZ TCSNAZXGAMD  6572 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - AZ 668      
520-255 1 Sierra Vista AZ TCSNAZXGAMD  6572 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - AZ 668      
520-255 2 Sierra Vista AZ TCSNAZXGAMD  6572 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - AZ 668      
520-255 3 Sierra Vista AZ TCSNAZXGAMD  6572 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - AZ 668      
520-255 4 Sierra Vista AZ TCSNAZXGAMD  6572 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - AZ 668      
520-255 5 Sierra Vista AZ TCSNAZXGAMD  6572 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - AZ 668      
520-255 6 Sierra Vista AZ TCSNAZXGAMD  6572 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - AZ 668      
520-255 7 Sierra Vista AZ TCSMAZCH1MD  6010 NEW CINGULAR WIRELESS PCS, LLC 668   2011-01-26   
520-255 8 Sierra Vista AZ TCSMAZCH1MD  6010 NEW CINGULAR WIRELESS PCS, LLC 668   2012-04-20   
520-255 9 Sierra Vista AZ TCSNAZXGAMD  6572 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - AZ 668      

Last updated: Wed, 07 Feb 2024 04:12:25 UTC

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