Local Calling Guide

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Tucson, AZ

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NPA-NXX BLOCK Switch OCN LATA LIR Eff date Disc date
520-561 8 TCSNAZMAXCY  318J COMCAST IP PHONE, LLC 668   2011-03-25   
520-561 9 TCSNAZXGAMD  6572 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - AZ 668      
520-565 A TCSMAZCH1MD  6010 NEW CINGULAR WIRELESS PCS, LLC 668      
520-565 0 TCSMAZCH1MD  6010 NEW CINGULAR WIRELESS PCS, LLC 668   2021-09-23   
520-565 1 TCSMAZCH1MD  6010 NEW CINGULAR WIRELESS PCS, LLC 668   2021-09-23   
520-565 2 TCSMAZCH1MD  6010 NEW CINGULAR WIRELESS PCS, LLC 668   2021-09-23   
520-565 3 TCSMAZCH1MD  6010 NEW CINGULAR WIRELESS PCS, LLC 668   2021-09-23   
520-565 4 TCSMAZCH1MD  6010 NEW CINGULAR WIRELESS PCS, LLC 668   2021-09-23   
520-565 5 TCSMAZCH1MD  6010 NEW CINGULAR WIRELESS PCS, LLC 668   2021-09-23   
520-565 6 TCSMAZCH1MD  6010 NEW CINGULAR WIRELESS PCS, LLC 668   2021-09-23   
520-565 7 TCSMAZCH1MD  6010 NEW CINGULAR WIRELESS PCS, LLC 668   2021-09-23   
520-565 8 TCSMAZCH1MD  6010 NEW CINGULAR WIRELESS PCS, LLC 668   2021-09-23   
520-565 9 TCSMAZCH1MD  6010 NEW CINGULAR WIRELESS PCS, LLC 668   2021-09-23   
520-566 A TCSNAZNODS0  9636 QWEST CORPORATION 668      
520-570 A TCSNAZCRDS0  9636 QWEST CORPORATION 668      
520-570 0   9636 QWEST CORPORATION 668      
520-570 1   9636 QWEST CORPORATION 668      
520-570 2   9636 QWEST CORPORATION 668      
520-570 3   9636 QWEST CORPORATION 668      
520-570 4   6010 NEW CINGULAR WIRELESS PCS, LLC 668   2025-09-22   
520-570 5   6010 NEW CINGULAR WIRELESS PCS, LLC 668   2025-09-22   
520-570 6   9636 QWEST CORPORATION 668      
520-570 7   9636 QWEST CORPORATION 668      
520-570 8   6010 NEW CINGULAR WIRELESS PCS, LLC 668   2025-09-22   
520-570 9   6010 NEW CINGULAR WIRELESS PCS, LLC 668   2025-09-22   
520-571 A TCSNAZCRDS0  9636 QWEST CORPORATION 668      
520-571 0   9636 QWEST CORPORATION 668      
520-571 1   9636 QWEST CORPORATION 668      
520-571 2   9636 QWEST CORPORATION 668      
520-571 3   6010 NEW CINGULAR WIRELESS PCS, LLC 668   2025-09-22   
520-571 4   9636 QWEST CORPORATION 668      
520-571 6   9636 QWEST CORPORATION 668      
520-571 7   9636 QWEST CORPORATION 668      
520-571 8   9636 QWEST CORPORATION 668      
520-571 9   9636 QWEST CORPORATION 668      
520-572 A TCSNAZCODS0  9636 QWEST CORPORATION 668      
520-573 A TCSNAZSODS0  9636 QWEST CORPORATION 668      
520-574 A TCSNAZSEDS0  9636 QWEST CORPORATION 668      
520-575 A TCSNAZNODS0  9636 QWEST CORPORATION 668      
520-576 A TCSNAZMLRS2  9636 QWEST CORPORATION 668      
520-576 0 TCSMAZCH1MD  6010 NEW CINGULAR WIRELESS PCS, LLC 668   2006-06-15   
520-576 1 TCSNAZMLRS2  9636 QWEST CORPORATION 668      
520-576 2 TCSNAZXGAMD  6572 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - AZ 668   2005-11-11   
520-576 3 TCSMAZCH1MD  6010 NEW CINGULAR WIRELESS PCS, LLC 668   2006-06-15   
520-576 4 TCSMAZCH1MD  6010 NEW CINGULAR WIRELESS PCS, LLC 668   2006-06-15   
520-576 5   829J PAETEC ITEL, LLC 668   2006-03-30   
520-576 6 TCSMAZCH1MD  6010 NEW CINGULAR WIRELESS PCS, LLC 668   2006-10-10   
520-576 7 TCSNAZXGAMD  6572 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - AZ 668   2009-09-15   
520-576 8 TCSNAZXGAMD  6572 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - AZ 668   2005-11-11   
520-576 9 TCSNAZMLRS2  9636 QWEST CORPORATION 668      

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Last updated: Sun, 17 May 2026 03:26:51 UTC

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