Local Calling Guide

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NPA: 520 [Rate centres in NPA 520] [Dial plan for NPA 520]

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NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
520-796 A Lone Butte AZ LNBTAZXCDS1  2179 GILA RIVER TELECOMM, INC. 666      
520-797 A Tucson AZ TCSNAZNODS0  9636 QWEST CORPORATION 668      
520-798 A Tucson AZ TCSNAZMADS1  9636 QWEST CORPORATION 668      
520-799 A Tucson AZ TCSNAZSODS0  9636 QWEST CORPORATION 668      
520-800 A Tucson AZ TCSNAZMAXHX  630E ONVOY, LLC - AZ 668      
520-800 0 Tucson AZ   630E ONVOY, LLC - AZ 668   2015-03-30   
520-800 1 Tucson AZ   630E ONVOY, LLC - AZ 668   2015-03-30   
520-800 2 Tucson AZ   587F BANDWIDTH.COM CLEC, LLC - AZ 668   2015-03-31   
520-800 3 Tucson AZ   587F BANDWIDTH.COM CLEC, LLC - AZ 668   2015-03-31   
520-800 4 Tucson AZ   587F BANDWIDTH.COM CLEC, LLC - AZ 668   2015-03-31   
520-800 5 Tucson AZ   587F BANDWIDTH.COM CLEC, LLC - AZ 668   2015-03-31   
520-800 6 Tucson AZ   587F BANDWIDTH.COM CLEC, LLC - AZ 668   2015-03-31   
520-800 7 Tucson AZ   587F BANDWIDTH.COM CLEC, LLC - AZ 668   2015-03-31   
520-800 8 Tucson AZ   630E ONVOY, LLC - AZ 668   2015-03-30   
520-800 9 Tucson AZ   6010 NEW CINGULAR WIRELESS PCS, LLC 668   2015-03-31   
520-801 A Tucson AZ   410H WIDE VOICE, LLC - AZ 668   2025-06-12   
520-801 1 Tucson AZ   410H WIDE VOICE, LLC - AZ 668   2025-06-12   
520-801 2 Tucson AZ   490J DISH WIRELESS, LLC 668   2025-10-10   
520-801 3 Tucson AZ   490J DISH WIRELESS, LLC 668   2026-01-05   
520-801 4 Tucson AZ   6572 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - AZ 668   2025-10-02   
520-801 5 Tucson AZ   6572 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - AZ 668   2025-10-02   
520-801 6 Tucson AZ   6572 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - AZ 668   2025-10-02   
520-801 7 Tucson AZ   6572 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - AZ 668   2025-10-02   
520-801 8 Tucson AZ   6572 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - AZ 668   2025-10-02   
520-802 A Tucson AZ   616J LEAP TELECOM, LLC 668   2025-11-24   
520-802 0 Tucson AZ   616J LEAP TELECOM, LLC 668   2025-11-24   
520-803 A Sierra Vista AZ SRVSAZSODS0  9636 QWEST CORPORATION 668      
520-805 A Douglas AZ DGLSAZMARS1  9636 QWEST CORPORATION 668      
520-805 0 Douglas AZ   9636 QWEST CORPORATION 668      
520-805 1 Douglas AZ   9636 QWEST CORPORATION 668      
520-805 2 Douglas AZ   9636 QWEST CORPORATION 668      
520-805 3 Douglas AZ   9636 QWEST CORPORATION 668      
520-805 4 Douglas AZ   9636 QWEST CORPORATION 668      
520-805 5 Douglas AZ   9636 QWEST CORPORATION 668      
520-805 6 Douglas AZ   9636 QWEST CORPORATION 668      
520-805 8 Douglas AZ   9636 QWEST CORPORATION 668      
520-805 9 Douglas AZ   9636 QWEST CORPORATION 668      
520-806 A Tucson AZ TCSNAZSODS0  9636 QWEST CORPORATION 668      
520-806 0 Tucson AZ   9636 QWEST CORPORATION 668      
520-806 1 Tucson AZ   9636 QWEST CORPORATION 668      
520-806 2 Tucson AZ   9636 QWEST CORPORATION 668      
520-806 3 Tucson AZ   9636 QWEST CORPORATION 668      
520-806 4 Tucson AZ   9636 QWEST CORPORATION 668      
520-806 5 Tucson AZ   9636 QWEST CORPORATION 668      
520-806 7 Tucson AZ   9636 QWEST CORPORATION 668      
520-806 8 Tucson AZ   9636 QWEST CORPORATION 668      
520-806 9 Tucson AZ   9636 QWEST CORPORATION 668      
520-807 A Tucson AZ TCSNAZSODS0  9636 QWEST CORPORATION 668      
520-808 A Tucson AZ TCSMAZCH1MD  6010 NEW CINGULAR WIRELESS PCS, LLC 668      
520-809 A Tucson AZ TCSNAZMAX0Y  890G INTRADO COMMUNICATIONS, LLC 668      
520-809 0 Tucson AZ   6010 NEW CINGULAR WIRELESS PCS, LLC 668   2015-03-25   
520-809 1 Tucson AZ   5562 METROPCS, INC. 668   2015-02-25   
520-809 2 Tucson AZ   5562 METROPCS, INC. 668   2015-02-25   
520-809 3 Tucson AZ   5562 METROPCS, INC. 668   2015-02-25   
520-809 4 Tucson AZ   5562 METROPCS, INC. 668   2015-02-25   
520-809 5 Tucson AZ   5562 METROPCS, INC. 668   2015-02-25   
520-809 6 Tucson AZ   7465 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - AZ 668   2015-02-24   
520-809 7 Tucson AZ   587F BANDWIDTH.COM CLEC, LLC - AZ 668   2015-03-30   
520-809 8 Tucson AZ   6010 NEW CINGULAR WIRELESS PCS, LLC 668   2015-03-25   
520-809 9 Tucson AZ   890G INTRADO COMMUNICATIONS, LLC 668   2015-02-21   
520-812 A Tucson AZ TCSNAZMAXIX  587F BANDWIDTH.COM CLEC, LLC - AZ 668   2025-01-19   
520-812 0 Tucson AZ   6572 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - AZ 668   2024-12-03   
520-812 1 Tucson AZ   6572 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - AZ 668   2025-01-27   
520-812 2 Tucson AZ   587F BANDWIDTH.COM CLEC, LLC - AZ 668   2011-08-17   
520-812 3 Tucson AZ   587F BANDWIDTH.COM CLEC, LLC - AZ 668   2011-08-17   
520-812 4 Tucson AZ   587F BANDWIDTH.COM CLEC, LLC - AZ 668   2011-08-17   
520-812 5 Tucson AZ   587F BANDWIDTH.COM CLEC, LLC - AZ 668   2011-08-17   
520-812 6 Tucson AZ   587F BANDWIDTH.COM CLEC, LLC - AZ 668   2011-08-17   
520-812 7 Tucson AZ   318J COMCAST IP PHONE, LLC 668   2011-09-30   
520-812 8 Tucson AZ   183D VALLEY CONNECTIONS, L.L.C. - AZ 668   2011-10-12   
520-812 9 Tucson AZ   6010 NEW CINGULAR WIRELESS PCS, LLC 668   2011-11-11   
520-815 A Tucson AZ TCSNAZMAXIX  587F BANDWIDTH.COM CLEC, LLC - AZ 668      
520-815 0 Tucson AZ   587F BANDWIDTH.COM CLEC, LLC - AZ 668   2015-05-04   
520-815 1 Tucson AZ   587F BANDWIDTH.COM CLEC, LLC - AZ 668   2015-05-04   
520-815 2 Tucson AZ   587F BANDWIDTH.COM CLEC, LLC - AZ 668   2015-05-04   
520-815 3 Tucson AZ   587F BANDWIDTH.COM CLEC, LLC - AZ 668   2015-05-04   
520-815 4 Tucson AZ   587F BANDWIDTH.COM CLEC, LLC - AZ 668   2015-05-04   
520-815 5 Tucson AZ   587F BANDWIDTH.COM CLEC, LLC - AZ 668   2015-05-04   
520-815 6 Tucson AZ   587F BANDWIDTH.COM CLEC, LLC - AZ 668   2015-05-04   
520-815 7 Tucson AZ   587F BANDWIDTH.COM CLEC, LLC - AZ 668   2015-05-04   
520-815 8 Tucson AZ   6529 T-MOBILE USA, INC. 668   2015-05-05   
520-815 9 Tucson AZ   6529 T-MOBILE USA, INC. 668   2015-05-05   
520-818 A Tucson AZ CRNDAZMADS1  9636 QWEST CORPORATION 668      
520-818 0 Tucson AZ   9636 QWEST CORPORATION 668      
520-818 1 Tucson AZ   9636 QWEST CORPORATION 668      
520-818 2 Tucson AZ   9636 QWEST CORPORATION 668      
520-818 3 Tucson AZ   9636 QWEST CORPORATION 668      
520-818 4 Tucson AZ   6010 NEW CINGULAR WIRELESS PCS, LLC 668   2006-02-23   
520-818 5 Tucson AZ   9636 QWEST CORPORATION 668      
520-818 6 Tucson AZ   9636 QWEST CORPORATION 668      
520-818 7 Tucson AZ   9636 QWEST CORPORATION 668      
520-818 8 Tucson AZ   6010 NEW CINGULAR WIRELESS PCS, LLC 668   2006-02-23   
520-818 9 Tucson AZ   9636 QWEST CORPORATION 668      
520-820 A Tucson AZ TCSNAZXGAMD  6572 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - AZ 668      
520-820 0 Tucson AZ   6572 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - AZ 668      
520-820 1 Tucson AZ   6572 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - AZ 668      
520-820 2 Tucson AZ   6572 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - AZ 668      
520-820 3 Tucson AZ   6572 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - AZ 668   2004-06-27   
520-820 4 Tucson AZ   6572 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - AZ 668   2004-06-27   
520-820 5 Tucson AZ   6572 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - AZ 668   2005-04-09   

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Last updated: Thu, 29 Jan 2026 14:35:03 UTC

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