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: 308

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
520-308 A Tucson AZ TCSMAZCH1MD  6010 NEW CINGULAR WIRELESS PCS, LLC 668      
520-308 0 Tucson AZ TCSMAZCH1MD  6010 NEW CINGULAR WIRELESS PCS, LLC 668   2009-11-06   
520-308 1 Tucson AZ TCSMAZCH1MD  6010 NEW CINGULAR WIRELESS PCS, LLC 668   2010-01-22   
520-308 2 Tucson AZ TCSMAZCH1MD  6010 NEW CINGULAR WIRELESS PCS, LLC 668   2010-01-22   
520-308 3 Tucson AZ TCSNAZMAXCY  318J COMCAST IP PHONE, LLC 668   2010-01-16   
520-308 4 Tucson AZ TCSNAZMAXCY  318J COMCAST IP PHONE, LLC 668   2009-12-28   
520-308 5 Tucson AZ TCSNAZMAXCY  318J COMCAST IP PHONE, LLC 668   2009-12-28   
520-308 6 Tucson AZ TCSNAZMAVMD  3285 LEVEL 3 COMMUNICATIONS, LLC - AZ 668   2010-01-12   
520-308 7 Tucson AZ TCSNAZXGAMD  6572 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - AZ 668   2010-02-07   
520-308 8 Tucson AZ TCSNAZXGAMD  6572 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - AZ 668   2010-01-11   
520-308 9 Tucson AZ TCSNAZXGAMD  6572 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - AZ 668   2010-02-07   

Last updated: Fri, 22 Mar 2024 03:02:44 UTC

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