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: 433

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
520-433 A Tucson AZ TCSNAZMAVMD  3285 LEVEL 3 COMMUNICATIONS, LLC - AZ 668      
520-433 0 Tucson AZ TCSNAZXGAMD  6572 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - AZ 668      
520-433 1 Tucson AZ TCSNAZXGAMD  6572 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - AZ 668      
520-433 2 Tucson AZ TCSNAZXGAMD  6572 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - AZ 668      
520-433 3 Tucson AZ   630E ONVOY, LLC - AZ 668      
520-433 4 Tucson AZ TCSNAZMAVMD  3285 LEVEL 3 COMMUNICATIONS, LLC - AZ 668      
520-433 5 Tucson AZ   630E ONVOY, LLC - AZ 668      
520-433 6 Tucson AZ   630E ONVOY, LLC - AZ 668      
520-433 7 Tucson AZ   630E ONVOY, LLC - AZ 668      
520-433 8 Tucson AZ   630E ONVOY, LLC - AZ 668      
520-433 9 Tucson AZ TCSNAZMAVMD  3285 LEVEL 3 COMMUNICATIONS, LLC - AZ 668      

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

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