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: 416

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
520-416 A Tucson AZ TCSNAZMAX8Y  114J EXIANT COMMUNICATIONS LLC 668      
520-416 0 Tucson AZ TCSNAZMAX0Y  890G INTRADO COMMUNICATIONS, LLC 668      
520-416 1 Tucson AZ TCSNAZMAX8Y  114J EXIANT COMMUNICATIONS LLC 668      
520-416 2 Tucson AZ TCSNAZMAVMD  3285 LEVEL 3 COMMUNICATIONS, LLC - AZ 668      
520-416 3 Tucson AZ TCSNAZMAVMD  3285 LEVEL 3 COMMUNICATIONS, LLC - AZ 668      
520-416 4 Tucson AZ TCSNAZMAXHX  630E ONVOY, LLC - AZ 668      
520-416 5 Tucson AZ TCSNAZMAXHX  630E ONVOY, LLC - AZ 668      
520-416 6 Tucson AZ TCSNAZMAXHX  630E ONVOY, LLC - AZ 668      
520-416 7 Tucson AZ TCSNAZMAXKX  7217 TELEPORT COMMUNICATIONS AMERICA, LLC - AZ 668      
520-416 8 Tucson AZ TCSNAZMAX0Y  890G INTRADO COMMUNICATIONS, LLC 668      
520-416 9 Tucson AZ TCSNAZMAX0Y  890G INTRADO COMMUNICATIONS, LLC 668      

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

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