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: 422

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
520-422 A Bisbee AZ TCSNAZMAXSX  7421 AT&T - LOCAL 668      
520-422 0 Bisbee AZ   630E ONVOY, LLC - AZ 668   2016-04-22   
520-422 1 Bisbee AZ   073H TELNYX LLC 668   2018-05-01   
520-422 2 Bisbee AZ   3285 LEVEL 3 COMMUNICATIONS, LLC - AZ 668   2014-07-25   
520-422 3 Bisbee AZ   508J CENTURYLINK COMMUNICATIONS LLC 668   2016-01-14   
520-422 4 Bisbee AZ   630E ONVOY, LLC - AZ 668   2012-12-17   
520-422 5 Bisbee AZ   630E ONVOY, LLC - AZ 668   2012-12-17   
520-422 6 Bisbee AZ   630E ONVOY, LLC - AZ 668   2012-12-17   
520-422 7 Bisbee AZ   630E ONVOY, LLC - AZ 668   2013-01-22   
520-422 8 Bisbee AZ   630E ONVOY, LLC - AZ 668   2013-01-22   
520-422 9 Bisbee AZ   7421 AT&T - LOCAL 668   2012-10-08   

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

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