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Richfield, UT

NPA-NXX BLOCK Switch OCN LATA LIR Eff date Disc date
435-201 A SLKDUTBTAMD  6571 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - UT 660      
435-201 0   6571 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - UT 660      
435-201 1   6571 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - UT 660      
435-201 2   6571 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - UT 660      
435-201 3   6571 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - UT 660      
435-201 4   6571 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - UT 660      
435-201 5   3231 LEVEL 3 COMMUNICATIONS, LLC - UT 660   2005-05-20   
435-201 6   3231 LEVEL 3 COMMUNICATIONS, LLC - UT 660   2005-09-12   
435-201 7   6571 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - UT 660   2007-03-10   
435-201 8   871E ONVOY, LLC - UT 660   2006-11-02   
435-201 9   6571 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - UT 660      
435-287 A FRVWUTXCDS1  791D CENTRAL TELCOM SVCS DBA CENTRACOM INTERACTIVE - NV 660      
435-287 0   791D CENTRAL TELCOM SVCS DBA CENTRACOM INTERACTIVE - NV 660   2008-05-09   
435-287 1   791D CENTRAL TELCOM SVCS DBA CENTRACOM INTERACTIVE - NV 660   2008-05-09   
435-287 2   791D CENTRAL TELCOM SVCS DBA CENTRACOM INTERACTIVE - NV 660   2008-05-09   
435-287 3   073H TELNYX LLC 660   2017-06-14   
435-287 4   117F BANDWIDTH.COM CLEC, LLC - UT 660   2011-03-14   
435-287 5   6529 T-MOBILE USA, INC. 660   2010-08-16   
435-287 6   6571 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - UT 660   2014-08-20   
435-287 7   6571 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - UT 660   2010-03-11   
435-287 8   6571 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - UT 660   2010-07-15   
435-287 9   6010 NEW CINGULAR WIRELESS PCS, LLC 660   2010-11-11   
435-289 A SLKCUT26DS1  526H PEERLESS NETWORK OF UTAH, LLC - UT 660      
435-289 0   6529 T-MOBILE USA, INC. 660   2019-05-05   
435-289 1   073H TELNYX LLC 660   2021-03-08   
435-289 2   6529 T-MOBILE USA, INC. 660   2025-06-15   
435-289 3   871E ONVOY, LLC - UT 660   2020-12-20   
435-289 4   871E ONVOY, LLC - UT 660   2020-12-20   
435-289 5   716D VERACITY COMMUNICATIONS, INC. - UT 660   2022-06-12   
435-289 6   117F BANDWIDTH.COM CLEC, LLC - UT 660   2021-12-09   
435-289 7   6529 T-MOBILE USA, INC. 660   2021-04-10   
435-289 8   6571 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - UT 660   2021-11-30   
435-289 9   526H PEERLESS NETWORK OF UTAH, LLC - UT 660   2019-05-04   
435-304 A WVCYUTBXDS0  7530 TELEPORT COMMUNICATIONS AMERICA, LLC - UT 660      
435-304 0   7530 TELEPORT COMMUNICATIONS AMERICA, LLC - UT 660      
435-304 1   7530 TELEPORT COMMUNICATIONS AMERICA, LLC - UT 660      
435-304 4   7530 TELEPORT COMMUNICATIONS AMERICA, LLC - UT 660      
435-304 6   871E ONVOY, LLC - UT 660   2012-12-20   
435-304 9   7530 TELEPORT COMMUNICATIONS AMERICA, LLC - UT 660      
435-558 A SLKCUTJC4MD  6010 NEW CINGULAR WIRELESS PCS, LLC 660      
435-558 0   6010 NEW CINGULAR WIRELESS PCS, LLC 660      
435-558 1   871E ONVOY, LLC - UT 660   2012-12-20   
435-558 2   716D VERACITY COMMUNICATIONS, INC. - UT 660   2015-10-22   
435-558 3   871E ONVOY, LLC - UT 660   2016-03-14   
435-558 4   526H PEERLESS NETWORK OF UTAH, LLC - UT 660   2018-03-14   
435-558 5   6571 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - UT 660   2012-09-25   
435-558 6   871E ONVOY, LLC - UT 660   2013-09-17   
435-558 7   508J CENTURYLINK COMMUNICATIONS, LLC 660   2017-04-05   
435-558 8   871E ONVOY, LLC - UT 660   2018-10-11   
435-558 9   145J TERRA NOVA TELECOM INC. 660   2021-01-27   
435-567 A SLKCUT26DMD  516J TON80 COMMUNICATIONS, LLC 660      
435-567 0   073H TELNYX LLC 660   2022-04-26   
435-567 1   515J IP HORIZON LLC 660   2022-04-26   
435-567 2   6571 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - UT 660   2025-10-16   
435-567 3   6571 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - UT 660   2023-09-10   
435-567 4   624H ONVOY SPECTRUM, LLC 660   2025-01-23   
435-567 5   6571 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - UT 660   2025-06-08   
435-567 6   526H PEERLESS NETWORK OF UTAH, LLC - UT 660   2023-09-30   
435-567 7   6529 T-MOBILE USA, INC. 660   2022-09-09   
435-567 8   516J TON80 COMMUNICATIONS, LLC 660   2022-04-25   
435-567 9   6529 T-MOBILE USA, INC. 660   2024-06-29   
435-633 A SLKDUTYI3MD  3231 LEVEL 3 COMMUNICATIONS, LLC - UT 660      
435-633 0   6571 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - UT 660   2003-11-05   
435-633 1   117F BANDWIDTH.COM CLEC, LLC - UT 660   2008-11-29   
435-633 2   716D VERACITY COMMUNICATIONS, INC. - UT 660   2011-07-06   
435-633 3   6571 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - UT 660   2008-03-13   
435-633 4   3231 LEVEL 3 COMMUNICATIONS, LLC - UT 660      
435-633 5   6571 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - UT 660   2009-06-06   
435-633 6   117F BANDWIDTH.COM CLEC, LLC - UT 660   2011-04-08   
435-633 7   871E ONVOY, LLC - UT 660   2006-11-10   
435-633 8   871E ONVOY, LLC - UT 660   2012-12-20   
435-633 9   871E ONVOY, LLC - UT 660   2012-09-26   
435-893 A RCFDUTMADS0  9636 QWEST CORPORATION 660      
435-893 0   9636 QWEST CORPORATION 660      
435-893 1   6571 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - UT 660      
435-893 2   9636 QWEST CORPORATION 660      
435-893 3   7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 660   2006-08-09   
435-893 4   9636 QWEST CORPORATION 660      
435-893 5   6571 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - UT 660   2011-06-03   
435-893 6   117F BANDWIDTH.COM CLEC, LLC - UT 660   2015-05-28   
435-893 7   871E ONVOY, LLC - UT 660   2016-03-14   
435-893 8   9636 QWEST CORPORATION 660      
435-893 9   9636 QWEST CORPORATION 660      
435-896 A RCFDUTMADS0  9636 QWEST CORPORATION 660      
435-896 0   9636 QWEST CORPORATION 660      
435-896 1   9636 QWEST CORPORATION 660      
435-896 2   9636 QWEST CORPORATION 660      
435-896 3   6571 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - UT 660      
435-896 4   9636 QWEST CORPORATION 660      
435-896 5   9636 QWEST CORPORATION 660      
435-896 6   9636 QWEST CORPORATION 660      
435-896 7   6571 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - UT 660      
435-896 8   9636 QWEST CORPORATION 660      
435-896 9   9636 QWEST CORPORATION 660      
435-979 A SLKCUTJC4MD  6010 NEW CINGULAR WIRELESS PCS, LLC 660      

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

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