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: 300

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
520-300 A Tucson AZ TCSNAZXGAMD  6572 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - AZ 668      
520-300 0 Tucson AZ TCSNAZXGAMD  6572 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - AZ 668      
520-300 1 Tucson AZ TCSNAZXGAMD  6572 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - AZ 668      
520-300 2 Tucson AZ TCSMAZOI4MD  5562 METROPCS, INC. 668      
520-300 3 Tucson AZ TCSMAZOI4MD  5562 METROPCS, INC. 668      
520-300 4 Tucson AZ TCSNAZMAXCY  318J COMCAST IP PHONE, LLC 668      
520-300 5 Tucson AZ TCSNAZMAXCY  318J COMCAST IP PHONE, LLC 668      
520-300 6 Tucson AZ TCSNAZMAXCY  318J COMCAST IP PHONE, LLC 668      
520-300 7 Tucson AZ   7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 668      
520-300 8 Tucson AZ   7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 668      
520-300 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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