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: 447

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
520-447 A Tucson AZ TCSNAZMAXHX  630E ONVOY, LLC - AZ 668      
520-447 0 Tucson AZ TCSMAZCH1MD  6010 NEW CINGULAR WIRELESS PCS, LLC 668   2014-07-05   
520-447 1 Tucson AZ TCSNAZMAVMD  3285 LEVEL 3 COMMUNICATIONS, LLC - AZ 668   2014-06-29   
520-447 2 Tucson AZ TCSNAZMAVMD  3285 LEVEL 3 COMMUNICATIONS, LLC - AZ 668   2014-05-11   
520-447 3 Tucson AZ TCSNAZMAVMD  3285 LEVEL 3 COMMUNICATIONS, LLC - AZ 668   2014-05-11   
520-447 4 Tucson AZ TCSNAZMAVMD  3285 LEVEL 3 COMMUNICATIONS, LLC - AZ 668   2014-06-29   
520-447 5 Tucson AZ TCSNAZMAXCY  318J COMCAST IP PHONE, LLC 668   2014-04-28   
520-447 6 Tucson AZ TCSMAZCH1MD  6010 NEW CINGULAR WIRELESS PCS, LLC 668   2014-04-24   
520-447 7 Tucson AZ TCSNAZMAXHX  630E ONVOY, LLC - AZ 668   2014-03-30   
520-447 8 Tucson AZ TCSNAZMAXHX  630E ONVOY, LLC - AZ 668   2014-03-30   
520-447 9 Tucson AZ TCSMAZCH1MD  6010 NEW CINGULAR WIRELESS PCS, LLC 668   2014-07-05   

Last updated: Tue, 16 Apr 2024 01:38:01 UTC

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