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: 822

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
520-822 A Tucson AZ TCSNAZSWDS0  9636 QWEST CORPORATION 668      
520-822 0 Tucson AZ TCSNAZSWDS0  9636 QWEST CORPORATION 668      
520-822 1 Tucson AZ TCSNAZSWDS0  9636 QWEST CORPORATION 668      
520-822 2 Tucson AZ TCSNAZSWDS0  9636 QWEST CORPORATION 668      
520-822 3 Tucson AZ TCSNAZSWDS0  9636 QWEST CORPORATION 668      
520-822 4 Tucson AZ TCSNAZXGAMD  6572 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - AZ 668   2008-09-19   
520-822 5 Tucson AZ TCSNAZSWDS0  9636 QWEST CORPORATION 668      
520-822 6 Tucson AZ TCSMAZCH1MD  6010 NEW CINGULAR WIRELESS PCS, LLC 668   2006-02-23   
520-822 7 Tucson AZ TCSMAZCH1MD  6010 NEW CINGULAR WIRELESS PCS, LLC 668   2006-02-23   
520-822 8 Tucson AZ TCSNAZMAXCY  318J COMCAST IP PHONE, LLC 668   2005-10-25   
520-822 9 Tucson AZ TCSNAZSWDS0  9636 QWEST CORPORATION 668      

Last updated: Wed, 18 Jun 2025 02:30:00 UTC

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