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Salt Lake City, UT

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NPA-NXX BLOCK Switch OCN LATA LIR Eff date Disc date
385-313 3   7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 660   2012-01-18   
385-313 4   6571 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - UT 660   2012-02-12   
385-313 5   6529 T-MOBILE USA, INC. 660   2012-03-02   
385-313 6   6529 T-MOBILE USA, INC. 660   2012-03-02   
385-313 7   6529 T-MOBILE USA, INC. 660   2012-04-02   
385-313 8   117F BANDWIDTH.COM CLEC, LLC - UT 660   2012-12-12   
385-313 9   117F BANDWIDTH.COM CLEC, LLC - UT 660   2012-12-12   
385-315 A SLKDUTBTAMD  6571 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - UT 660      
385-315 0   6571 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - UT 660   2013-03-29   
385-315 1   6571 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - UT 660   2013-03-29   
385-315 2   6571 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - UT 660   2013-03-29   
385-315 3   6571 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - UT 660   2013-03-29   
385-315 4   6571 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - UT 660   2013-03-29   
385-315 5   6571 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - UT 660   2013-03-29   
385-315 6   6571 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - UT 660   2013-03-29   
385-315 7   6571 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - UT 660   2013-03-29   
385-315 8   6571 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - UT 660   2013-03-29   
385-315 9   6571 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - UT 660   2013-03-29   
385-321 A SLKDUTBTAMD  6571 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - UT 660      
385-321 0   6571 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - UT 660   2013-04-12   
385-321 1   6571 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - UT 660   2013-04-12   
385-321 2   6571 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - UT 660   2013-04-12   
385-321 3   6571 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - UT 660   2013-04-12   
385-321 4   6571 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - UT 660   2013-04-12   
385-321 5   6571 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - UT 660   2013-04-12   
385-321 6   6571 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - UT 660   2013-04-12   
385-321 7   6571 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - UT 660   2013-04-12   
385-321 8   6571 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - UT 660   2013-04-12   
385-321 9   6571 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - UT 660   2013-04-12   
385-322 A SLKEUT45DS0  5727 FIRSTDIGITAL TELECOM, LLC - UT 660      
385-322 0   5727 FIRSTDIGITAL TELECOM, LLC - UT 660   2009-06-14   
385-322 1   5727 FIRSTDIGITAL TELECOM, LLC - UT 660   2009-06-14   
385-322 2   5727 FIRSTDIGITAL TELECOM, LLC - UT 660   2009-06-14   
385-322 3   5727 FIRSTDIGITAL TELECOM, LLC - UT 660   2009-06-14   
385-322 4   5727 FIRSTDIGITAL TELECOM, LLC - UT 660   2009-06-14   
385-322 5   5727 FIRSTDIGITAL TELECOM, LLC - UT 660   2009-06-14   
385-322 6   5727 FIRSTDIGITAL TELECOM, LLC - UT 660   2009-06-14   
385-322 7   5727 FIRSTDIGITAL TELECOM, LLC - UT 660   2009-06-14   
385-322 8   5727 FIRSTDIGITAL TELECOM, LLC - UT 660   2009-06-14   
385-322 9   5727 FIRSTDIGITAL TELECOM, LLC - UT 660   2009-06-14   
385-341 A DRPRUTKJ0MD  6529 T-MOBILE USA, INC. 660      
385-341 0   6571 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - UT 660   2020-05-09   
385-341 1   6571 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - UT 660   2020-05-09   
385-341 2   871E ONVOY, LLC - UT 660   2021-02-06   
385-341 3   6571 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - UT 660   2020-05-09   
385-341 4   3231 LEVEL 3 COMMUNICATIONS, LLC - UT 660   2020-06-12   
385-341 5   624H ONVOY SPECTRUM, LLC 660   2020-07-06   
385-341 6   624H ONVOY SPECTRUM, LLC 660   2020-07-06   
385-341 7   624H ONVOY SPECTRUM, LLC 660   2020-07-06   
385-341 8   871E ONVOY, LLC - UT 660   2021-02-06   
385-341 9   6529 T-MOBILE USA, INC. 660   2020-05-08   
385-343 A WVCYUT14AMD  114J EXIANT COMMUNICATIONS LLC 660      
385-343 0   6529 T-MOBILE USA, INC. 660   2020-02-09   
385-343 1   114J EXIANT COMMUNICATIONS LLC 660   2019-11-23   
385-343 2   6529 T-MOBILE USA, INC. 660   2020-02-09   
385-343 3   6529 T-MOBILE USA, INC. 660   2020-02-09   
385-343 4   871E ONVOY, LLC - UT 660   2020-01-18   
385-343 5   871E ONVOY, LLC - UT 660   2020-01-18   
385-343 6   6529 T-MOBILE USA, INC. 660   2020-02-09   
385-343 7   6529 T-MOBILE USA, INC. 660   2019-11-24   
385-343 8   6529 T-MOBILE USA, INC. 660   2019-11-24   
385-343 9   6529 T-MOBILE USA, INC. 660   2019-11-24   
385-354 A SLKCUTMAY0X  425J CSC WIRELESS, LLC 660      
385-354 0   6529 T-MOBILE USA, INC. 660   2020-10-09   
385-354 1   6529 T-MOBILE USA, INC. 660   2020-10-09   
385-354 2   425J CSC WIRELESS, LLC 660   2020-08-27   
385-354 3   871E ONVOY, LLC - UT 660   2020-09-21   
385-354 4   871E ONVOY, LLC - UT 660   2020-09-21   
385-354 5   871E ONVOY, LLC - UT 660   2020-09-21   
385-354 6   871E ONVOY, LLC - UT 660   2020-09-21   
385-354 7   871E ONVOY, LLC - UT 660   2020-09-21   
385-354 8   6529 T-MOBILE USA, INC. 660   2020-10-09   
385-354 9   6529 T-MOBILE USA, INC. 660   2020-09-05   
385-355 A SLKDUTYI3MD  3231 LEVEL 3 COMMUNICATIONS, LLC - UT 660      
385-355 0   117F BANDWIDTH.COM CLEC, LLC - UT 660   2014-06-23   
385-355 1   117F BANDWIDTH.COM CLEC, LLC - UT 660   2014-06-23   
385-355 2   3231 LEVEL 3 COMMUNICATIONS, LLC - UT 660   2014-06-20   
385-355 3   117F BANDWIDTH.COM CLEC, LLC - UT 660   2014-06-23   
385-355 4   117F BANDWIDTH.COM CLEC, LLC - UT 660   2014-06-23   
385-355 5   6010 NEW CINGULAR WIRELESS PCS, LLC 660   2014-07-05   
385-355 6   3231 LEVEL 3 COMMUNICATIONS, LLC - UT 660   2014-05-31   
385-355 7   3231 LEVEL 3 COMMUNICATIONS, LLC - UT 660   2014-07-18   
385-355 8   3231 LEVEL 3 COMMUNICATIONS, LLC - UT 660   2014-07-18   
385-355 9   318J COMCAST IP PHONE, LLC 660   2014-07-11   
385-360 A SLKCUTMAXLY  506J TWILIO INTERNATIONAL, INC. 660      
385-360 0   871E ONVOY, LLC - UT 660   2020-12-28   
385-360 1   871E ONVOY, LLC - UT 660   2020-12-28   
385-360 2   871E ONVOY, LLC - UT 660   2020-12-28   
385-360 3   506J TWILIO INTERNATIONAL, INC. 660   2020-12-13   
385-360 4   871E ONVOY, LLC - UT 660   2020-12-28   
385-360 5   871E ONVOY, LLC - UT 660   2020-12-15   
385-360 6   871E ONVOY, LLC - UT 660   2020-12-15   
385-360 7   871E ONVOY, LLC - UT 660   2020-12-15   
385-360 8   871E ONVOY, LLC - UT 660   2020-12-15   
385-360 9   871E ONVOY, LLC - UT 660   2020-12-28   
385-371 A SLKCUTMAXMY  478J NUSO, LLC 660      
385-371 0   6529 T-MOBILE USA, INC. 660   2021-04-10   
385-371 1   478J NUSO, LLC 660   2021-04-05   
385-371 2   6529 T-MOBILE USA, INC. 660   2021-04-10   
385-371 3   6529 T-MOBILE USA, INC. 660   2021-04-10   

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

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