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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
520-674 3 Sierra Vista AZ   7465 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - AZ 668   2023-04-25   
520-674 4 Sierra Vista AZ   7465 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - AZ 668   2023-04-25   
520-674 5 Sierra Vista AZ   7465 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - AZ 668   2023-04-25   
520-674 6 Sierra Vista AZ   7465 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - AZ 668   2023-04-25   
520-674 7 Sierra Vista AZ   7465 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - AZ 668   2023-04-25   
520-674 8 Sierra Vista AZ   7465 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - AZ 668   2023-04-25   
520-674 9 Sierra Vista AZ   7465 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - AZ 668   2023-04-25   
520-675 A Tucson AZ TCSMAZCH00Z  490J DISH WIRELESS, LLC 668      
520-675 0 Tucson AZ   630E ONVOY, LLC - AZ 668   2023-07-22   
520-675 1 Tucson AZ   630E ONVOY, LLC - AZ 668   2023-07-22   
520-675 2 Tucson AZ   630E ONVOY, LLC - AZ 668   2023-07-22   
520-675 3 Tucson AZ   630E ONVOY, LLC - AZ 668   2023-07-22   
520-675 4 Tucson AZ   630E ONVOY, LLC - AZ 668   2023-07-22   
520-675 5 Tucson AZ   630E ONVOY, LLC - AZ 668   2023-07-22   
520-675 6 Tucson AZ   630E ONVOY, LLC - AZ 668   2023-07-22   
520-675 7 Tucson AZ   630E ONVOY, LLC - AZ 668   2023-07-22   
520-675 8 Tucson AZ   6010 NEW CINGULAR WIRELESS PCS, LLC 668   2025-02-10   
520-675 9 Tucson AZ   490J DISH WIRELESS, LLC 668   2023-06-17   
520-676 A Willcox AZ   6572 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - AZ 668   2025-07-21   
520-676 5 Willcox AZ   6010 NEW CINGULAR WIRELESS PCS, LLC 668   2026-01-09   
520-676 6 Willcox AZ   145J TERRA NOVA TELECOM INC. 668   2025-07-22   
520-677 A Casa Grande AZ PHNXAZ19DMD  490J DISH WIRELESS, LLC 666      
520-677 0 Casa Grande AZ   6010 NEW CINGULAR WIRELESS PCS, LLC 666   2023-09-08   
520-677 1 Casa Grande AZ   630E ONVOY, LLC - AZ 666   2023-07-22   
520-677 2 Casa Grande AZ   630E ONVOY, LLC - AZ 666   2023-07-22   
520-677 3 Casa Grande AZ   630E ONVOY, LLC - AZ 666   2023-07-22   
520-677 4 Casa Grande AZ   630E ONVOY, LLC - AZ 666   2023-07-22   
520-677 5 Casa Grande AZ   630E ONVOY, LLC - AZ 666   2023-07-22   
520-677 6 Casa Grande AZ   6010 NEW CINGULAR WIRELESS PCS, LLC 666   2023-09-08   
520-677 7 Casa Grande AZ   579F PEERLESS NETWORK OF ARIZONA, LLC - AZ 666   2023-07-13   
520-677 8 Casa Grande AZ   6010 NEW CINGULAR WIRELESS PCS, LLC 666   2023-07-05   
520-677 9 Casa Grande AZ   490J DISH WIRELESS, LLC 666   2023-07-03   
520-678 A Sierra Vista AZ TCSNAZXGAMD  6572 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - AZ 668      
520-679 A Tombstone AZ TCSNAZXGAMD  6572 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - AZ 668      
520-679 0 Tombstone AZ   6572 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - AZ 668   2023-07-23   
520-679 1 Tombstone AZ   630E ONVOY, LLC - AZ 668   2023-07-24   
520-679 2 Tombstone AZ   6572 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - AZ 668   2025-12-17   
520-679 4 Tombstone AZ   6572 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - AZ 668   2024-07-17   
520-679 6 Tombstone AZ   321J HD CARRIER LLC 668   2025-09-19   
520-679 7 Tombstone AZ   321J HD CARRIER LLC 668   2025-09-19   
520-679 8 Tombstone AZ   073H TELNYX LLC 668   2023-09-18   
520-679 9 Tombstone AZ   579F PEERLESS NETWORK OF ARIZONA, LLC - AZ 668   2023-08-10   
520-680 A Bisbee AZ TCSNAZMAXHX  630E ONVOY, LLC - AZ 668      
520-680 0 Bisbee AZ   073H TELNYX LLC 668   2023-09-09   
520-680 3 Bisbee AZ   630E ONVOY, LLC - AZ 668   2023-08-26   
520-680 7 Bisbee AZ   321J HD CARRIER LLC 668   2025-09-19   
520-680 8 Bisbee AZ   321J HD CARRIER LLC 668   2025-09-19   
520-680 9 Bisbee AZ   579F PEERLESS NETWORK OF ARIZONA, LLC - AZ 668   2023-10-21   
520-681 A Nogales AZ TCSNAZMAVMD  3285 LEVEL 3 COMMUNICATIONS, LLC - AZ 668      
520-681 0 Nogales AZ   630E ONVOY, LLC - AZ 668   2023-09-10   
520-681 1 Nogales AZ   6572 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - AZ 668   2023-10-23   
520-681 2 Nogales AZ   732J NUSO, LLC 668   2023-11-27   
520-681 3 Nogales AZ   6010 NEW CINGULAR WIRELESS PCS, LLC 668   2025-02-10   
520-681 4 Nogales AZ   3285 LEVEL 3 COMMUNICATIONS, LLC - AZ 668   2023-08-29   
520-681 5 Nogales AZ   6572 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - AZ 668   2025-11-19   
520-681 6 Nogales AZ   183D VALLEY CONNECTIONS, L.L.C. - AZ 668   2024-11-19   
520-681 7 Nogales AZ   6572 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - AZ 668   2024-11-26   
520-681 8 Nogales AZ   6010 NEW CINGULAR WIRELESS PCS, LLC 668   2024-02-03   
520-681 9 Nogales AZ   939H COMMIO, LLC 668   2024-03-28   
520-682 A Tucson AZ MARNAZ03RS1  9636 QWEST CORPORATION 668      
520-683 A Casa Grande AZ PHNXAZ28DS3  630E ONVOY, LLC - AZ 666      
520-683 0 Casa Grande AZ   624H ONVOY SPECTRUM, LLC 666   2023-10-28   
520-683 1 Casa Grande AZ   624H ONVOY SPECTRUM, LLC 666   2023-10-28   
520-683 2 Casa Grande AZ   624H ONVOY SPECTRUM, LLC 666   2023-10-28   
520-683 3 Casa Grande AZ   630E ONVOY, LLC - AZ 666   2023-10-15   
520-683 4 Casa Grande AZ   6572 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - AZ 666   2023-10-31   
520-683 5 Casa Grande AZ   6572 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - AZ 666   2023-10-31   
520-683 6 Casa Grande AZ   6529 T-MOBILE USA, INC. 666   2023-11-21   
520-683 7 Casa Grande AZ   6529 T-MOBILE USA, INC. 666   2023-11-21   
520-683 8 Casa Grande AZ   624H ONVOY SPECTRUM, LLC 666   2023-10-28   
520-683 9 Casa Grande AZ   624H ONVOY SPECTRUM, LLC 666   2023-10-28   
520-684 A Sierra Vista AZ TCSNAZXGDS0  7465 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - AZ 668      
520-684 0 Sierra Vista AZ   7465 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - AZ 668   2023-10-18   
520-684 1 Sierra Vista AZ   7465 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - AZ 668   2023-10-18   
520-684 2 Sierra Vista AZ   7465 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - AZ 668   2023-10-18   
520-684 3 Sierra Vista AZ   7465 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - AZ 668   2023-10-18   
520-684 4 Sierra Vista AZ   7465 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - AZ 668   2023-10-18   
520-684 5 Sierra Vista AZ   7465 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - AZ 668   2023-10-18   
520-684 6 Sierra Vista AZ   7465 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - AZ 668   2023-10-18   
520-684 7 Sierra Vista AZ   7465 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - AZ 668   2023-10-18   
520-684 8 Sierra Vista AZ   7465 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - AZ 668   2023-10-18   
520-684 9 Sierra Vista AZ   7465 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - AZ 668   2023-10-18   
520-685 A Sierra Vista AZ TCSNAZMAXCY  318J COMCAST IP PHONE, LLC 668      
520-685 0 Sierra Vista AZ   5562 METROPCS, INC. 668   2017-10-05   
520-685 1 Sierra Vista AZ   630E ONVOY, LLC - AZ 668   2018-01-18   
520-685 2 Sierra Vista AZ   318J COMCAST IP PHONE, LLC 668   2017-07-25   
520-685 3 Sierra Vista AZ   318J COMCAST IP PHONE, LLC 668   2017-10-21   
520-685 4 Sierra Vista AZ   7465 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - AZ 668   2017-08-04   
520-685 5 Sierra Vista AZ   318J COMCAST IP PHONE, LLC 668   2017-08-26   
520-685 6 Sierra Vista AZ   318J COMCAST IP PHONE, LLC 668   2017-10-13   
520-685 7 Sierra Vista AZ   630E ONVOY, LLC - AZ 668   2018-01-18   
520-685 8 Sierra Vista AZ   318J COMCAST IP PHONE, LLC 668   2019-02-11   
520-685 9 Sierra Vista AZ   318J COMCAST IP PHONE, LLC 668   2019-01-30   
520-686 A Benson AZ TCSNAZXGAMD  6572 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - AZ 668      
520-686 0 Benson AZ   6572 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - AZ 668      
520-686 1 Benson AZ   6572 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - AZ 668      
520-686 2 Benson AZ   6572 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - AZ 668      
520-686 3 Benson AZ   6572 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - AZ 668      
520-686 4 Benson AZ   6010 NEW CINGULAR WIRELESS PCS, LLC 668   2010-09-17   
520-686 5 Benson AZ   7465 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - AZ 668   2012-01-02   

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

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