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: 263

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
520-263 A Sierra Vista AZ TCSNAZMAXCY  318J COMCAST IP PHONE, LLC 668      
520-263 0 Sierra Vista AZ TCSMAZCHDS0  579F PEERLESS NETWORK OF ARIZONA, LLC - AZ 668   2015-07-03   
520-263 1 Sierra Vista AZ TCSNAZMAXHX  630E ONVOY, LLC - AZ 668   2016-04-22   
520-263 2 Sierra Vista AZ TCSNAZMAXCY  318J COMCAST IP PHONE, LLC 668   2014-12-15   
520-263 3 Sierra Vista AZ TCSNAZMAXCY  318J COMCAST IP PHONE, LLC 668   2014-12-15   
520-263 4 Sierra Vista AZ TCSNAZMAXCY  318J COMCAST IP PHONE, LLC 668   2015-07-28   
520-263 5 Sierra Vista AZ TCSNAZMAXHX  630E ONVOY, LLC - AZ 668   2016-04-22   
520-263 6 Sierra Vista AZ TCSNAZMAXYX  508J CENTURYLINK COMMUNICATIONS, LLC 668   2016-01-14   
520-263 7 Sierra Vista AZ TCSMAZOI3MD  6529 T-MOBILE USA, INC. 668   2015-08-14   
520-263 8 Sierra Vista AZ TCSNAZMAXHX  630E ONVOY, LLC - AZ 668   2016-03-07   
520-263 9 Sierra Vista AZ TCSNAZMAXHX  630E ONVOY, LLC - AZ 668   2016-03-07   

Last updated: Wed, 07 Feb 2024 04:12:25 UTC

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