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: 476

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
520-476 A Tucson AZ TCSNAZMAXAY  478J NUSO, LLC 668      
520-476 0 Tucson AZ TCSNAZMAX6Y  073H TELNYX LLC 668      
520-476 1 Tucson AZ TCSNAZMAXAY  478J NUSO, LLC 668      
520-476 2 Tucson AZ TCSNAZXGAMD  6572 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - AZ 668      
520-476 3 Tucson AZ TCSNAZMAVMD  3285 LEVEL 3 COMMUNICATIONS, LLC - AZ 668      
520-476 4 Tucson AZ TCSNAZMAXCY  318J COMCAST IP PHONE, LLC 668      
520-476 5 Tucson AZ TCSMAZOI3MD  6529 T-MOBILE USA, INC. 668      
520-476 6 Tucson AZ TCSMAZOI3MD  6529 T-MOBILE USA, INC. 668      
520-476 7 Tucson AZ TCSMAZOI3MD  6529 T-MOBILE USA, INC. 668      
520-476 8 Tucson AZ TCSMAZOI3MD  6529 T-MOBILE USA, INC. 668      
520-476 9 Tucson AZ TCSMAZOI3MD  6529 T-MOBILE USA, INC. 668      

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

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