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
520-729 A Tucson AZ   6572 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - AZ 668      
520-729 0 Tucson AZ   6572 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - AZ 668   2014-12-14   
520-729 1 Tucson AZ   3285 LEVEL 3 COMMUNICATIONS, LLC - AZ 668   2015-07-29   
520-729 2 Tucson AZ   630E ONVOY, LLC - AZ 668   2015-07-30   
520-729 3 Tucson AZ   7465 BROOKS FIBER COMMUNICATIONS OF TUCSON, INC. - AZ 668   2015-07-29   
520-729 4 Tucson AZ   630E ONVOY, LLC - AZ 668   2015-07-30   
520-729 5 Tucson AZ   6529 T-MOBILE USA, INC. 668   2015-08-25   
520-729 6 Tucson AZ   6529 T-MOBILE USA, INC. 668   2015-09-14   
520-729 7 Tucson AZ   6529 T-MOBILE USA, INC. 668   2015-09-14   
520-729 8 Tucson AZ   6010 NEW CINGULAR WIRELESS PCS, LLC 668   2014-12-16   
520-729 9 Tucson AZ   587F BANDWIDTH.COM CLEC, LLC - AZ 668   2014-12-16   

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

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