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: 402

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
520-402 A Benson AZ TCSMAZOI3MD  6529 T-MOBILE USA, INC. 668      
520-402 0 Benson AZ   073H TELNYX LLC 668   2018-05-01   
520-402 1 Benson AZ   630E ONVOY, LLC - AZ 668   2019-12-09   
520-402 2 Benson AZ   318J COMCAST IP PHONE, LLC 668   2017-10-21   
520-402 3 Benson AZ   630E ONVOY, LLC - AZ 668   2019-12-09   
520-402 4 Benson AZ   630E ONVOY, LLC - AZ 668   2019-07-11   
520-402 5 Benson AZ   630E ONVOY, LLC - AZ 668   2019-07-11   
520-402 6 Benson AZ   7465 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - AZ 668   2018-06-04   
520-402 7 Benson AZ   6529 T-MOBILE USA, INC. 668   2017-09-07   
520-402 8 Benson AZ   183D VALLEY CONNECTIONS, L.L.C. - AZ 668   2017-02-27   
520-402 9 Benson AZ   6529 T-MOBILE USA, INC. 668   2016-11-12   

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

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