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
520-756 8 Tucson AZ   6010 NEW CINGULAR WIRELESS PCS, LLC 668   2025-05-11   
520-756 9 Tucson AZ   6010 NEW CINGULAR WIRELESS PCS, LLC 668   2025-05-11   
520-757 A Casa Grande AZ   6529 T-MOBILE USA, INC. 666   2025-05-18   
520-757 0 Casa Grande AZ   6572 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - AZ 666   2025-07-11   
520-757 1 Casa Grande AZ   6572 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - AZ 666   2025-07-11   
520-757 2 Casa Grande AZ   6572 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - AZ 666   2025-07-11   
520-757 3 Casa Grande AZ   6529 T-MOBILE USA, INC. 666   2025-06-29   
520-757 4 Casa Grande AZ   6529 T-MOBILE USA, INC. 666   2025-06-29   
520-757 5 Casa Grande AZ   6529 T-MOBILE USA, INC. 666   2025-06-29   
520-757 6 Casa Grande AZ   6529 T-MOBILE USA, INC. 666   2025-06-29   
520-757 7 Casa Grande AZ   6529 T-MOBILE USA, INC. 666   2025-05-18   
520-757 8 Casa Grande AZ   6529 T-MOBILE USA, INC. 666   2025-05-18   
520-757 9 Casa Grande AZ   6529 T-MOBILE USA, INC. 666   2025-05-18   
520-758 A Blackwater AZ PHNXAZ19AMD  965H FRACTEL, LLC 666      
520-758 6 Blackwater AZ PHNXAZ19AMD  965H FRACTEL, LLC 666   2020-12-18   
520-759 A Casa Grande AZ PHNZAZZJAMD  6572 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - AZ 666      
520-759 0 Casa Grande AZ PHNZAZZJAMD  6572 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - AZ 666   2018-10-25   
520-759 1 Casa Grande AZ PHNXAZ19DS3  579F PEERLESS NETWORK OF ARIZONA, LLC - AZ 666   2019-08-29   
520-759 2 Casa Grande AZ MRCPAZMADS0  9636 QWEST CORPORATION 666   2018-11-14   
520-759 3 Casa Grande AZ MRCPAZMADS0  9636 QWEST CORPORATION 666   2018-11-14   
520-759 4 Casa Grande AZ PHNXAZ28YMD  597F VOIP INNOVATIONS, LLC 666   2019-02-07   
520-759 5 Casa Grande AZ TEMPAZNR5MD  6529 T-MOBILE USA, INC. 666   2019-03-22   
520-759 6 Casa Grande AZ TEMPAZNR5MD  5562 METROPCS, INC. 666   2019-04-05   
520-759 7 Casa Grande AZ PHNXAZMAX1Z  318J COMCAST IP PHONE, LLC 666   2019-01-30   
520-759 8 Casa Grande AZ PHNXAZMAX1Z  318J COMCAST IP PHONE, LLC 666   2019-01-24   
520-759 9 Casa Grande AZ TEMPAZNR5MD  6529 T-MOBILE USA, INC. 666   2020-11-27   
520-760 A Tucson AZ TCSNAZTVDS0  9636 QWEST CORPORATION 668      
520-761 A Nogales AZ NGLSAZMWDS0  9636 QWEST CORPORATION 668      
520-762 A Tucson AZ VAILAZSODS0  9636 QWEST CORPORATION 668      
520-762 0 Tucson AZ VAILAZSODS0  9636 QWEST CORPORATION 668      
520-762 1 Tucson AZ VAILAZSODS0  9636 QWEST CORPORATION 668      
520-762 2 Tucson AZ   145J TERRA NOVA TELECOM INC. 668   2025-08-31   
520-762 3 Tucson AZ VAILAZSODS0  9636 QWEST CORPORATION 668      
520-762 4 Tucson AZ TCSNAZMAVMD  3285 LEVEL 3 COMMUNICATIONS, LLC - AZ 668   2006-01-28   
520-762 5 Tucson AZ VAILAZSODS0  9636 QWEST CORPORATION 668      
520-762 6 Tucson AZ TCSNAZMAVMD  3285 LEVEL 3 COMMUNICATIONS, LLC - AZ 668   2006-01-28   
520-762 7 Tucson AZ TCSNAZMAVMD  3285 LEVEL 3 COMMUNICATIONS, LLC - AZ 668   2006-01-28   
520-762 8 Tucson AZ VAILAZSODS0  9636 QWEST CORPORATION 668      
520-762 9 Tucson AZ VAILAZSODS0  9636 QWEST CORPORATION 668      
520-763 A Casa Grande AZ   6529 T-MOBILE USA, INC. 666   2025-09-05   
520-763 2 Casa Grande AZ   6529 T-MOBILE USA, INC. 666   2025-10-12   
520-763 3 Casa Grande AZ   6529 T-MOBILE USA, INC. 666   2025-10-12   
520-763 4 Casa Grande AZ   6529 T-MOBILE USA, INC. 666   2025-10-12   
520-763 5 Casa Grande AZ   6529 T-MOBILE USA, INC. 666   2025-10-12   
520-763 7 Casa Grande AZ   6529 T-MOBILE USA, INC. 666   2025-09-05   
520-763 8 Casa Grande AZ   6529 T-MOBILE USA, INC. 666   2025-09-05   
520-763 9 Casa Grande AZ   6529 T-MOBILE USA, INC. 666   2025-09-05   
520-766 A Willcox AZ WLCXAZACDS0  183D VALLEY CONNECTIONS, L.L.C. - AZ 668      
520-770 A Tucson AZ TCSNAZMADS1  9636 QWEST CORPORATION 668      
520-770 0 Tucson AZ TCSNAZMADS1  9636 QWEST CORPORATION 668      
520-770 1 Tucson AZ TCSNAZMADS1  9636 QWEST CORPORATION 668      
520-770 2 Tucson AZ TCSNAZMADS1  9636 QWEST CORPORATION 668      
520-770 3 Tucson AZ TCSNAZMADS1  9636 QWEST CORPORATION 668      
520-770 4 Tucson AZ TCSNAZMADS1  9636 QWEST CORPORATION 668      
520-770 5 Tucson AZ TCSNAZMADS1  9636 QWEST CORPORATION 668      
520-770 6 Tucson AZ TCSMAZSJAMD  7552 LEVEL 3 TELECOM OF ARIZONA, LLC - AZ 668   2006-06-23   
520-770 7 Tucson AZ TCSNAZMADS1  9636 QWEST CORPORATION 668      
520-770 8 Tucson AZ TCSNAZMADS1  9636 QWEST CORPORATION 668      
520-770 9 Tucson AZ TCSNAZMADS1  9636 QWEST CORPORATION 668      
520-771 A Tucson AZ TCSMAZCH0MD  197D VONAGE AMERICA LLC 668      
520-771 0 Tucson AZ TCSMAZCH0MD  197D VONAGE AMERICA LLC 668   2018-02-10   
520-771 1 Tucson AZ TCSNAZMAXCY  318J COMCAST IP PHONE, LLC 668   2018-08-11   
520-771 2 Tucson AZ TCSNAZXGAMD  6572 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - AZ 668   2018-10-28   
520-771 3 Tucson AZ TCSMAZOI3MD  5562 METROPCS, INC. 668   2019-02-10   
520-771 4 Tucson AZ TCSMAZOI3MD  5562 METROPCS, INC. 668   2019-02-10   
520-771 5 Tucson AZ TCSNAZXGAMD  6572 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - AZ 668   2018-11-05   
520-771 6 Tucson AZ TCSNAZMAXCY  318J COMCAST IP PHONE, LLC 668   2018-06-28   
520-771 7 Tucson AZ TCSMAZOI3MD  5562 METROPCS, INC. 668   2019-02-03   
520-771 8 Tucson AZ TCSNAZMAXCY  318J COMCAST IP PHONE, LLC 668   2018-06-28   
520-771 9 Tucson AZ TCSNAZMAXCY  318J COMCAST IP PHONE, LLC 668   2018-06-28   
520-772 A Superior AZ PHNXAZ19CMD  516J TON80 COMMUNICATIONS, LLC 666      
520-772 0 Superior AZ PHNXAZ197MD  939H COMMIO, LLC 666   2022-11-04   
520-772 1 Superior AZ   6572 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - AZ 666   2025-07-11   
520-772 2 Superior AZ PHNXAZ19CMD  516J TON80 COMMUNICATIONS, LLC 666   2022-03-17   
520-772 3 Superior AZ PHNXAZ28DS3  630E ONVOY, LLC - AZ 666   2022-03-18   
520-772 4 Superior AZ PHNXAZ28DS3  630E ONVOY, LLC - AZ 666   2022-03-18   
520-772 8 Superior AZ PHNXAZ19DS3  579F PEERLESS NETWORK OF ARIZONA, LLC - AZ 666   2023-03-19   
520-772 9 Superior AZ PHNXAZ19DS3  579F PEERLESS NETWORK OF ARIZONA, LLC - AZ 666   2022-03-18   
520-775 A Tucson AZ TCSNAZMAXIX  587F BANDWIDTH.COM CLEC, LLC - AZ 668      
520-775 0 Tucson AZ TCSNAZMAXIX  587F BANDWIDTH.COM CLEC, LLC - AZ 668   2014-04-27   
520-775 1 Tucson AZ TCSNAZMAXIX  587F BANDWIDTH.COM CLEC, LLC - AZ 668   2014-04-27   
520-775 2 Tucson AZ TCSNAZMAXIX  587F BANDWIDTH.COM CLEC, LLC - AZ 668   2014-04-27   
520-775 3 Tucson AZ TCSNAZMAXIX  587F BANDWIDTH.COM CLEC, LLC - AZ 668   2014-04-27   
520-775 4 Tucson AZ TCSNAZMADS1  9636 QWEST CORPORATION 668   2014-05-12   
520-775 5 Tucson AZ TCSNAZMADS1  9636 QWEST CORPORATION 668   2014-05-12   
520-775 6 Tucson AZ TCSNAZMADS1  9636 QWEST CORPORATION 668   2014-05-12   
520-775 7 Tucson AZ TCSNAZMADS1  9636 QWEST CORPORATION 668   2014-05-12   
520-775 8 Tucson AZ TCSNAZMADS1  9636 QWEST CORPORATION 668   2014-05-12   
520-775 9 Tucson AZ TCSNAZMADS1  9636 QWEST CORPORATION 668   2014-05-12   
520-777 A Tucson AZ TCSMAZSJAMD  7552 LEVEL 3 TELECOM OF ARIZONA, LLC - AZ 668      
520-777 0 Tucson AZ TCSNAZMAVMD  3285 LEVEL 3 COMMUNICATIONS, LLC - AZ 668   2005-02-26   
520-777 1 Tucson AZ TCSNAZMAVMD  3285 LEVEL 3 COMMUNICATIONS, LLC - AZ 668   2006-01-28   
520-777 2 Tucson AZ TCSMAZSJAMD  7552 LEVEL 3 TELECOM OF ARIZONA, LLC - AZ 668   2004-12-18   
520-777 3 Tucson AZ TCSNAZMAXCY  318J COMCAST IP PHONE, LLC 668   2005-05-31   
520-777 4 Tucson AZ TCSNAZMAXCY  318J COMCAST IP PHONE, LLC 668   2005-05-31   
520-777 5 Tucson AZ TCSNAZMAXCY  318J COMCAST IP PHONE, LLC 668   2005-05-31   
520-777 6 Tucson AZ TCSNAZMAXCY  318J COMCAST IP PHONE, LLC 668   2005-05-31   
520-777 7 Tucson AZ TCSNAZMAXCY  318J COMCAST IP PHONE, LLC 668   2005-05-31   
520-777 8 Tucson AZ TCSNAZMAXCY  318J COMCAST IP PHONE, LLC 668   2005-05-31   
520-777 9 Tucson AZ TCSNAZMAVMD  3285 LEVEL 3 COMMUNICATIONS, LLC - AZ 668   2006-01-28   

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Last updated: Tue, 07 Oct 2025 16:47:53 UTC

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