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: 525

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
520-525 A Bisbee AZ TCSNAZMAXHX  630E ONVOY, LLC - AZ 668      
520-525 0 Bisbee AZ   073H TELNYX LLC 668   2020-11-21   
520-525 1 Bisbee AZ   579F PEERLESS NETWORK OF ARIZONA, LLC - AZ 668   2020-12-07   
520-525 2 Bisbee AZ   630E ONVOY, LLC - AZ 668   2020-07-09   
520-525 3 Bisbee AZ   506J TWILIO INTERNATIONAL INC 668   2020-12-28   
520-525 4 Bisbee AZ   630E ONVOY, LLC - AZ 668   2020-11-24   
520-525 5 Bisbee AZ   630E ONVOY, LLC - AZ 668   2020-07-09   
520-525 6 Bisbee AZ   630E ONVOY, LLC - AZ 668   2021-01-17   
520-525 7 Bisbee AZ   630E ONVOY, LLC - AZ 668   2021-01-17   
520-525 8 Bisbee AZ   321J HD CARRIER LLC 668   2020-11-15   
520-525 9 Bisbee AZ   630E ONVOY, LLC - AZ 668   2021-01-17   

Last updated: Fri, 01 Jul 2022 02:53:40 UTC

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