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: 367

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
520-367 A Tucson AZ TCSNAZMAX3Y  624H ONVOY SPECTRUM, LLC 668      
520-367 0 Tucson AZ   624H ONVOY SPECTRUM, LLC 668   2017-08-27   
520-367 1 Tucson AZ   551G NUSO, LLC 668   2018-04-14   
520-367 2 Tucson AZ   587F BANDWIDTH.COM CLEC, LLC - AZ 668   2018-05-31   
520-367 3 Tucson AZ   587F BANDWIDTH.COM CLEC, LLC - AZ 668   2018-05-31   
520-367 4 Tucson AZ   318J COMCAST IP PHONE, LLC 668   2018-05-16   
520-367 5 Tucson AZ   318J COMCAST IP PHONE, LLC 668   2018-05-16   
520-367 6 Tucson AZ   318J COMCAST IP PHONE, LLC 668   2018-05-16   
520-367 7 Tucson AZ   6572 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - AZ 668   2018-06-08   
520-367 8 Tucson AZ   6572 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - AZ 668   2018-06-08   
520-367 9 Tucson AZ   5562 METROPCS, INC. 668   2018-03-29   

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

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