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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
520-820 A Tucson AZ TCSNAZXGAMD  6572 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - AZ 668      
520-820 0 Tucson AZ TCSNAZXGAMD  6572 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - AZ 668      
520-820 1 Tucson AZ TCSNAZXGAMD  6572 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - AZ 668      
520-820 2 Tucson AZ TCSNAZXGAMD  6572 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - AZ 668      
520-820 3 Tucson AZ TCSNAZXGAMD  6572 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - AZ 668   2004-06-27   
520-820 4 Tucson AZ TCSNAZXGAMD  6572 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - AZ 668   2004-06-27   
520-820 5 Tucson AZ TCSNAZXGAMD  6572 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - AZ 668   2005-04-09   
520-820 6 Tucson AZ TCSNAZXGAMD  6572 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - AZ 668   2005-04-09   
520-820 7 Tucson AZ TCSNAZXGAMD  6572 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - AZ 668   2005-04-09   
520-820 8 Tucson AZ TCSNAZXGAMD  6572 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - AZ 668   2005-05-09   
520-820 9 Tucson AZ TCSNAZXGAMD  6572 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - AZ 668   2005-05-09   
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      
520-823 A Sasabe AZ SASBAZXCGT0  2171 ARIZONA TEL. CO. 668      
520-823 0 Sasabe AZ   6010 NEW CINGULAR WIRELESS PCS, LLC 668   2026-01-03   
520-823 2 Sasabe AZ SASBAZXCGT0  2171 ARIZONA TEL. CO. 668      
520-823 4 Sasabe AZ   145J TERRA NOVA TELECOM INC. 668   2025-07-20   
520-824 A Sunizona AZ PERCAZXCDS0  2176 VALLEY TEL COOP INC 668      
520-825 A Tucson AZ CRNDAZMADS1  9636 QWEST CORPORATION 668      
520-826 A Pearce AZ PERCAZXCDS0  2176 VALLEY TEL COOP INC 668      
520-827 A Superior AZ PHNZAZZJAMD  6572 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - AZ 666      
520-827 0 Superior AZ PHNZAZZJAMD  6572 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - AZ 666      
520-827 1 Superior AZ PHNZAZZJAMD  6572 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - AZ 666   2006-09-11   
520-827 2 Superior AZ PHNXAZ28DS3  630E ONVOY, LLC - AZ 666   2014-10-22   
520-827 3 Superior AZ PHNXAZ28DS3  630E ONVOY, LLC - AZ 666   2012-12-16   
520-827 4 Superior AZ PHNXAZ28DS3  630E ONVOY, LLC - AZ 666   2014-10-22   
520-827 5 Superior AZ PHNXAZ19BMD  145J TERRA NOVA TELECOM INC. 666   2024-07-31   
520-827 6 Superior AZ PHNDAZ91DS5  3285 LEVEL 3 COMMUNICATIONS, LLC - AZ 666   2008-04-28   
520-827 7 Superior AZ PHNXAZ28DS3  630E ONVOY, LLC - AZ 666   2007-06-04   
520-827 8 Superior AZ PHNXAZMAXQX  587F BANDWIDTH.COM CLEC, LLC - AZ 666   2013-10-06   
520-827 9 Superior AZ PHNZAZZJAMD  6572 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - AZ 666   2005-01-17   
520-829 A Tucson AZ TCSNAZMAVMD  3285 LEVEL 3 COMMUNICATIONS, LLC - AZ 668      
520-829 0 Tucson AZ TCSNAZMAVMD  3285 LEVEL 3 COMMUNICATIONS, LLC - AZ 668   2004-12-27   
520-829 1 Tucson AZ TCSNAZMAVMD  3285 LEVEL 3 COMMUNICATIONS, LLC - AZ 668   2004-12-27   
520-829 2 Tucson AZ TCSMAZCH1MD  6010 NEW CINGULAR WIRELESS PCS, LLC 668   2006-07-05   
520-829 3 Tucson AZ TCSNAZMAVMD  3285 LEVEL 3 COMMUNICATIONS, LLC - AZ 668   2004-09-28   
520-829 4 Tucson AZ TCSNAZMAVMD  3285 LEVEL 3 COMMUNICATIONS, LLC - AZ 668      
520-829 5 Tucson AZ TCSNAZMAVMD  3285 LEVEL 3 COMMUNICATIONS, LLC - AZ 668   2004-06-17   
520-829 6 Tucson AZ TCSNAZMAXCY  318J COMCAST IP PHONE, LLC 668   2004-12-03   
520-829 7 Tucson AZ TCSNAZMAXCY  318J COMCAST IP PHONE, LLC 668   2004-12-03   
520-829 8 Tucson AZ TCSMAZCH1MD  6010 NEW CINGULAR WIRELESS PCS, LLC 668   2006-07-05   

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Last updated: Sat, 04 Jul 2026 13:07:56 UTC

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