Local Calling Guide

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Somerton, AZ

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NPA-NXX BLOCK Switch OCN LATA LIR Eff date Disc date
928-236 A PHNXAZ28DS3  630E ONVOY, LLC - AZ 666      
928-236 0   630E ONVOY, LLC - AZ 666   2016-04-11   
928-236 1   630E ONVOY, LLC - AZ 666   2016-04-11   
928-236 2   630E ONVOY, LLC - AZ 666   2016-04-22   
928-236 3   793K TWC IP ENABLED SERVICES, LLC 666   2016-06-02   
928-236 4   6010 NEW CINGULAR WIRELESS PCS, LLC 666   2018-03-26   
928-236 5   630E ONVOY, LLC - AZ 666   2017-06-19   
928-236 6   7217 TELEPORT COMMUNICATIONS AMERICA, LLC - AZ 666   2016-04-12   
928-236 7   630E ONVOY, LLC - AZ 666   2016-04-22   
928-236 8   508J CENTURYLINK COMMUNICATIONS, LLC 666   2016-10-15   
928-236 9   630E ONVOY, LLC - AZ 666   2019-07-11   
928-285 A PHNXAZMAX6Y  7421 AT&T - LOCAL 666      
928-285 0   630E ONVOY, LLC - AZ 666   2012-12-16   
928-285 1   630E ONVOY, LLC - AZ 666   2012-12-16   
928-285 2   6572 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - AZ 666   2013-07-15   
928-285 3   6010 NEW CINGULAR WIRELESS PCS, LLC 666   2015-01-05   
928-285 4   6010 NEW CINGULAR WIRELESS PCS, LLC 666   2013-03-01   
928-285 5   630E ONVOY, LLC - AZ 666   2013-01-23   
928-285 6   630E ONVOY, LLC - AZ 666   2013-01-23   
928-285 7   6010 NEW CINGULAR WIRELESS PCS, LLC 666   2017-03-17   
928-285 8   6572 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - AZ 666   2013-10-19   
928-285 9   7421 AT&T - LOCAL 666   2012-10-07   
928-315 A TEMPAZNR5MD  6529 T-MOBILE USA, INC. 666      
928-315 0   6572 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - AZ 666   2011-12-19   
928-315 1   3285 LEVEL 3 COMMUNICATIONS, LLC - AZ 666   2008-02-11   
928-315 2   6529 T-MOBILE USA, INC. 666   2009-03-13   
928-315 3   6010 NEW CINGULAR WIRELESS PCS, LLC 666   2011-04-13   
928-315 4   7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 666   2012-01-16   
928-315 5   6572 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - AZ 666   2011-05-23   
928-315 6   793K TWC IP ENABLED SERVICES, LLC 666   2012-02-01   
928-315 7   508J CENTURYLINK COMMUNICATIONS, LLC 666   2015-09-26   
928-315 8   6010 NEW CINGULAR WIRELESS PCS, LLC 666   2014-10-10   
928-315 9   6529 T-MOBILE USA, INC. 666   2007-10-29   
928-323 A PHNDAZ91DS5  3285 LEVEL 3 COMMUNICATIONS, LLC - AZ 666      
928-323 0   630E ONVOY, LLC - AZ 666   2015-03-25   
928-323 1   6010 NEW CINGULAR WIRELESS PCS, LLC 666   2015-12-26   
928-323 2   6572 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - AZ 666   2012-10-20   
928-323 3   3285 LEVEL 3 COMMUNICATIONS, LLC - AZ 666   2012-07-09   
928-323 4   6572 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - AZ 666   2012-12-20   
928-323 5   6572 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - AZ 666   2017-09-26   
928-323 6   6010 NEW CINGULAR WIRELESS PCS, LLC 666   2015-07-08   
928-323 7   6010 NEW CINGULAR WIRELESS PCS, LLC 666   2018-01-11   
928-323 8   579F PEERLESS NETWORK OF ARIZONA, LLC - AZ 666   2013-04-21   
928-323 9   579F PEERLESS NETWORK OF ARIZONA, LLC - AZ 666   2013-04-21   
928-390 A PHNZAZZJAMD  6572 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - AZ 666      
928-390 0   6572 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - AZ 666   2022-04-23   
928-390 1   6572 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - AZ 666   2022-04-23   
928-390 2   6572 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - AZ 666   2022-04-23   
928-390 3   6572 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - AZ 666   2023-04-19   
928-390 4   6010 NEW CINGULAR WIRELESS PCS, LLC 666   2025-04-13   
928-390 5   6572 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - AZ 666   2022-10-19   
928-390 6   630E ONVOY, LLC - AZ 666   2023-10-14   
928-390 7   630E ONVOY, LLC - AZ 666   2023-10-14   
928-390 8   939H COMMIO, LLC 666   2022-09-05   
928-390 9   579F PEERLESS NETWORK OF ARIZONA, LLC - AZ 666   2022-05-16   
928-398 A PHNXAZ28DS3  630E ONVOY, LLC - AZ 666      
928-398 0   6529 T-MOBILE USA, INC. 666   2021-05-07   
928-398 1   6529 T-MOBILE USA, INC. 666   2021-05-07   
928-398 2   630E ONVOY, LLC - AZ 666   2021-02-05   
928-398 3   630E ONVOY, LLC - AZ 666   2021-02-05   
928-398 4   6010 NEW CINGULAR WIRELESS PCS, LLC 666   2021-04-13   
928-398 5   6010 NEW CINGULAR WIRELESS PCS, LLC 666   2021-04-13   
928-398 6   630E ONVOY, LLC - AZ 666   2023-10-14   
928-398 7   6529 T-MOBILE USA, INC. 666   2021-02-27   
928-398 8   579F PEERLESS NETWORK OF ARIZONA, LLC - AZ 666   2021-02-07   
928-398 9   6010 NEW CINGULAR WIRELESS PCS, LLC 666   2021-02-06   
928-430 A PHNXAZ28X3X  515J IP HORIZON LLC 666      
928-430 0   6572 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - AZ 666   2022-01-26   
928-430 1   515J IP HORIZON LLC 666   2021-10-25   
928-430 2   6572 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - AZ 666   2021-12-13   
928-430 3   630E ONVOY, LLC - AZ 666   2021-12-30   
928-430 4   630E ONVOY, LLC - AZ 666   2021-12-30   
928-430 5   630E ONVOY, LLC - AZ 666   2021-12-30   
928-430 6   6572 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - AZ 666   2022-01-26   
928-430 7   6529 T-MOBILE USA, INC. 666   2022-02-05   
928-430 8   6529 T-MOBILE USA, INC. 666   2022-02-05   
928-430 9   6010 NEW CINGULAR WIRELESS PCS, LLC 666   2021-12-18   
928-504 A PHNXAZ28DS3  630E ONVOY, LLC - AZ 666      
928-510 A PHNZAZZJAMD  6572 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - AZ 666      
928-510 0   6572 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - AZ 666   2023-11-03   
928-510 1   6572 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - AZ 666   2023-11-03   
928-510 2   6572 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - AZ 666   2024-05-17   
928-510 5   145J TERRA NOVA TELECOM INC. 666   2026-01-20   
928-510 6   6572 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - AZ 666   2024-11-21   
928-510 7   579F PEERLESS NETWORK OF ARIZONA, LLC - AZ 666   2024-05-10   
928-510 8   6010 NEW CINGULAR WIRELESS PCS, LLC 666   2024-01-14   
928-510 9   6010 NEW CINGULAR WIRELESS PCS, LLC 666   2024-04-15   
928-512 A PHNXAZ28X6X  710A ALLO COMMUNICATIONS, LLC - NE 666   2024-01-18   
928-512 0   6010 NEW CINGULAR WIRELESS PCS, LLC 666   2025-10-10   
928-512 1   6572 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - AZ 666   2024-12-18   
928-512 2   6572 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - AZ 666   2024-12-18   
928-512 3   6572 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - AZ 666   2025-12-01   
928-512 4   6572 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - AZ 666   2025-12-01   
928-512 5   710A ALLO COMMUNICATIONS, LLC - NE 666   2023-11-24   
928-512 6   6572 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - AZ 666   2025-12-01   
928-550 A TEMPAZNR5MD  6529 T-MOBILE USA, INC. 666      
928-550 0   6529 T-MOBILE USA, INC. 666   2005-07-24   
928-550 1   6529 T-MOBILE USA, INC. 666   2006-05-01   
928-550 2   6529 T-MOBILE USA, INC. 666   2006-08-21   
928-550 3   6529 T-MOBILE USA, INC. 666   2006-08-21   

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Last updated: Tue, 13 Jan 2026 21:50:02 UTC

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