Local Calling Guide

Area code/prefix search

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NPA: 520 [Rate centres in NPA 520] [Dial plan for NPA 520]

NXX: 901

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
520-901 A Tucson AZ TCSMAZSJAMD  7552 LEVEL 3 TELECOM OF ARIZONA, LLC - AZ 668      
520-901 0 Tucson AZ TCSMAZOI3MD  6529 T-MOBILE USA, INC. 668      
520-901 1 Tucson AZ TCSMAZSJAMD  7552 LEVEL 3 TELECOM OF ARIZONA, LLC - AZ 668      
520-901 2 Tucson AZ TCSMAZSJAMD  7552 LEVEL 3 TELECOM OF ARIZONA, LLC - AZ 668      
520-901 3 Tucson AZ TCSMAZSJAMD  7552 LEVEL 3 TELECOM OF ARIZONA, LLC - AZ 668      
520-901 4 Tucson AZ TCSMAZSJAMD  7552 LEVEL 3 TELECOM OF ARIZONA, LLC - AZ 668      
520-901 5 Tucson AZ TCSMAZSJAMD  7552 LEVEL 3 TELECOM OF ARIZONA, LLC - AZ 668      
520-901 6 Tucson AZ TCSMAZSJAMD  7552 LEVEL 3 TELECOM OF ARIZONA, LLC - AZ 668      
520-901 7 Tucson AZ TCSMAZSJAMD  7552 LEVEL 3 TELECOM OF ARIZONA, LLC - AZ 668      
520-901 8 Tucson AZ TCSMAZSJAMD  7552 LEVEL 3 TELECOM OF ARIZONA, LLC - AZ 668      
520-901 9 Tucson AZ TCSMAZSJAMD  7552 LEVEL 3 TELECOM OF ARIZONA, LLC - AZ 668      

Last updated: Wed, 20 Nov 2024 21:20:06 UTC

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