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: 841

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
520-841 A Nogales AZ TCSMAZCH1MD  6010 NEW CINGULAR WIRELESS PCS, LLC 668      
520-841 0 Nogales AZ TCSMAZCH1MD  6010 NEW CINGULAR WIRELESS PCS, LLC 668      
520-841 1 Nogales AZ TCSMAZCH1MD  6010 NEW CINGULAR WIRELESS PCS, LLC 668      
520-841 2 Nogales AZ TCSMAZCH1MD  6010 NEW CINGULAR WIRELESS PCS, LLC 668      
520-841 3 Nogales AZ TCSMAZCH1MD  6010 NEW CINGULAR WIRELESS PCS, LLC 668      
520-841 4 Nogales AZ TCSMAZCH1MD  6010 NEW CINGULAR WIRELESS PCS, LLC 668      
520-841 5 Nogales AZ TCSNAZMAXHX  630E ONVOY, LLC - AZ 668   2005-08-11   
520-841 6 Nogales AZ   630E ONVOY, LLC - AZ 668   2008-05-20   
520-841 7 Nogales AZ   145J TERRA NOVA TELECOM INC. 668   2025-10-06   

Last updated: Thu, 16 Oct 2025 03:04:18 UTC

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