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:

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
520-425 A Tucson AZ TCSNAZ75CM0  6572 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - AZ 668   2006-12-29   
520-425 0 Tucson AZ   6572 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - AZ 668   2006-12-29   
520-425 1 Tucson AZ   6010 NEW CINGULAR WIRELESS PCS, LLC 668   2007-02-03   
520-425 2 Tucson AZ   6010 NEW CINGULAR WIRELESS PCS, LLC 668   2007-02-03   
520-425 3 Tucson AZ   6010 NEW CINGULAR WIRELESS PCS, LLC 668   2007-02-03   
520-425 4 Tucson AZ   6010 NEW CINGULAR WIRELESS PCS, LLC 668   2007-02-03   
520-425 5 Tucson AZ   6010 NEW CINGULAR WIRELESS PCS, LLC 668   2007-02-03   
520-425 6 Tucson AZ   6572 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - AZ 668   2007-02-28   
520-425 7 Tucson AZ   6572 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - AZ 668   2007-02-28   
520-425 8 Tucson AZ   7552 LEVEL 3 TELECOM OF ARIZONA, LLC - AZ 668   2007-03-01   
520-425 9 Tucson AZ   6529 T-MOBILE USA, INC. 668   2007-03-09   

Last updated: Tue, 31 Dec 2019 02:37:20 UTC

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