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
520-308 A Tucson AZ   6010 NEW CINGULAR WIRELESS PCS, LLC 668      
520-308 0 Tucson AZ   6010 NEW CINGULAR WIRELESS PCS, LLC 668   2009-11-06   
520-308 1 Tucson AZ   6010 NEW CINGULAR WIRELESS PCS, LLC 668   2010-01-22   
520-308 2 Tucson AZ   6010 NEW CINGULAR WIRELESS PCS, LLC 668   2010-01-22   
520-308 3 Tucson AZ   7078 COX ARIZONA TELCOM, INC. - AZ 668   2010-01-16   
520-308 4 Tucson AZ   657E COMCAST PHONE OF ARIZONA, LLC - AZ 668   2009-12-28   
520-308 5 Tucson AZ   657E COMCAST PHONE OF ARIZONA, LLC - AZ 668   2009-12-28   
520-308 6 Tucson AZ   3285 LEVEL 3 COMMUNICATIONS, LLC - AZ 668   2010-01-12   
520-308 7 Tucson AZ   6572 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - AZ 668   2010-02-07   
520-308 8 Tucson AZ   6572 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - AZ 668   2010-01-11   
520-308 9 Tucson AZ   6572 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - AZ 668   2010-02-07   

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

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