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Logan, UT

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NPA-NXX BLOCK Switch OCN LATA LIR Eff date Disc date
435-938 1   6529 T-MOBILE USA, INC. 660   2011-05-10   
435-938 2   6529 T-MOBILE USA, INC. 660   2011-05-10   
435-938 3   6529 T-MOBILE USA, INC. 660   2012-04-22   
435-938 4   6529 T-MOBILE USA, INC. 660   2011-05-10   
435-938 5   871E ONVOY, LLC - UT 660   2013-01-06   
435-938 6   871E ONVOY, LLC - UT 660   2013-01-06   
435-938 7   871E ONVOY, LLC - UT 660   2006-11-10   
435-938 8   6571 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - UT 660   2011-01-02   
435-938 9   3231 LEVEL 3 COMMUNICATIONS, LLC - UT 660   2008-04-28   
435-994 A DRPRUTKJ0MD  6529 T-MOBILE USA, INC. 660      
435-994 0   6529 T-MOBILE USA, INC. 660      
435-994 1   6529 T-MOBILE USA, INC. 660      
435-994 2   6010 NEW CINGULAR WIRELESS PCS, LLC 660   2012-10-27   
435-994 3   716D VERACITY COMMUNICATIONS, INC. - UT 660   2011-07-06   
435-994 4   6571 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - UT 660   2012-06-21   
435-994 5   6571 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - UT 660   2020-01-18   
435-994 6   5562 METROPCS, INC. 660      
435-994 7   6010 NEW CINGULAR WIRELESS PCS, LLC 660   2014-09-10   
435-994 8   117F BANDWIDTH.COM CLEC, LLC - UT 660   2012-09-28   
435-994 9   6571 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - UT 660   2012-09-07   
435-999 A SLKDUTBTAMD  6571 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - UT 660      
435-999 0   6571 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - UT 660   2018-04-16   
435-999 1   6010 NEW CINGULAR WIRELESS PCS, LLC 660   2019-01-08   
435-999 2   871E ONVOY, LLC - UT 660   2018-05-18   
435-999 3   6010 NEW CINGULAR WIRELESS PCS, LLC 660   2019-01-08   
435-999 4   6571 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - UT 660   2017-09-14   
435-999 5   871E ONVOY, LLC - UT 660   2018-10-11   
435-999 6   7530 TELEPORT COMMUNICATIONS AMERICA, LLC - UT 660   2020-01-30   
435-999 7   508J CENTURYLINK COMMUNICATIONS, LLC 660   2018-11-24   
435-999 8   6571 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - UT 660   2019-05-01   
435-999 9   6571 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - UT 660   2018-08-20   

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

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