Local Calling Guide

Area code/prefix search

Search area code/prefix (NPA/NXX)
  • Effective date searches are available only for US area codes. Our sources for non-US NPA-NXX data do not provide this information.
  • If you want to search an entire area code regardless of activity, leave both the next and past days fields set to zero.

Salt Lake City, UT

<< 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 >>

NPA-NXX BLOCK Switch OCN LATA LIR Eff date Disc date
385-418 5 DRPRUTKJ0MD  6529 T-MOBILE USA, INC. 660   2021-06-17   
385-418 6 DRPRUTKJ0MD  6529 T-MOBILE USA, INC. 660   2021-06-17   
385-418 7 DRPRUTKJ0MD  6529 T-MOBILE USA, INC. 660   2021-06-17   
385-418 8 SLKDUTBTAMD  6571 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - UT 660   2021-08-23   
385-418 9 SLKDUTBTAMD  6571 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - UT 660   2021-09-21   
385-419 A SLKCUTJC4MD  6010 NEW CINGULAR WIRELESS PCS, LLC 660      
385-419 0 SLKCUTMAX9X  117F BANDWIDTH.COM CLEC, LLC - UT 660   2014-10-20   
385-419 1 SLKCUTMAX9X  117F BANDWIDTH.COM CLEC, LLC - UT 660   2014-10-20   
385-419 2 SLKCUTMAX9X  117F BANDWIDTH.COM CLEC, LLC - UT 660   2014-10-20   
385-419 3 SLKDUTBTPS1  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 660   2014-10-20   
385-419 4 SLKCUTMAX9X  117F BANDWIDTH.COM CLEC, LLC - UT 660   2014-10-20   
385-419 5 SLKCUTJC4MD  6010 NEW CINGULAR WIRELESS PCS, LLC 660   2014-10-20   
385-419 6 SLKCUTJC4MD  6010 NEW CINGULAR WIRELESS PCS, LLC 660   2014-10-20   
385-419 7 SLKCUTJC4MD  6010 NEW CINGULAR WIRELESS PCS, LLC 660   2014-10-20   
385-419 8 SLKCUTJC4MD  6010 NEW CINGULAR WIRELESS PCS, LLC 660   2014-10-17   
385-419 9 SLKCUTJC4MD  6010 NEW CINGULAR WIRELESS PCS, LLC 660   2014-10-17   
385-420 A SLKDUTYI3MD  3231 LEVEL 3 COMMUNICATIONS, LLC - UT 660      
385-420 0 SLKCUTMAX9X  117F BANDWIDTH.COM CLEC, LLC - UT 660   2018-10-27   
385-420 1 DRPRUTKJ0MD  5562 METROPCS, INC. 660   2018-10-27   
385-420 2 DRPRUTKJ0MD  5562 METROPCS, INC. 660   2018-10-27   
385-420 3 SLKDUTBTAMD  6571 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - UT 660   2019-09-28   
385-420 4 SLKCUTMAXKY  318J COMCAST IP PHONE, LLC 660   2018-10-27   
385-420 5 WVCYUT14DS1  871E ONVOY, LLC - UT 660   2019-09-06   
385-420 6 SLKCUTMAXHY  624H ONVOY SPECTRUM, LLC 660   2020-07-06   
385-420 7 SLKDUTYI3MD  3231 LEVEL 3 COMMUNICATIONS, LLC - UT 660   2018-10-26   
385-420 8 SLKCUTMAXHY  624H ONVOY SPECTRUM, LLC 660   2020-07-06   
385-420 9 SLKCUT26DS1  526H PEERLESS NETWORK OF UTAH, LLC - UT 660   2018-10-27   
385-429 A SLKCUT266MD  073H TELNYX LLC 660      
385-429 0 SLKCUTMAX9X  117F BANDWIDTH.COM CLEC, LLC - UT 660   2017-02-20   
385-429 1 SLKCUT266MD  073H TELNYX LLC 660   2017-02-04   
385-429 2 SLKCUTMAX9X  117F BANDWIDTH.COM CLEC, LLC - UT 660   2017-02-20   
385-429 3 SLKCUTMAX9X  117F BANDWIDTH.COM CLEC, LLC - UT 660   2017-02-20   
385-429 4 SLKCUTMAX9X  117F BANDWIDTH.COM CLEC, LLC - UT 660   2017-02-20   
385-429 5 SLKCUTMAX9X  117F BANDWIDTH.COM CLEC, LLC - UT 660   2017-02-20   
385-429 6 SLKCUTMAX9X  117F BANDWIDTH.COM CLEC, LLC - UT 660   2017-02-20   
385-429 7 SLKCUTMAX9X  117F BANDWIDTH.COM CLEC, LLC - UT 660   2017-02-20   
385-429 8 SLKCUTMAX9X  117F BANDWIDTH.COM CLEC, LLC - UT 660   2017-02-20   
385-429 9 SLKCUTMAX9X  117F BANDWIDTH.COM CLEC, LLC - UT 660   2017-02-20   
385-433 A WVCYUT14DS1  871E ONVOY, LLC - UT 660      
385-433 0 SLKCUTJC4MD  6010 NEW CINGULAR WIRELESS PCS, LLC 660   2021-08-26   
385-433 1 SLKCUTJC4MD  6010 NEW CINGULAR WIRELESS PCS, LLC 660   2021-08-26   
385-433 2 SLKCUTJC4MD  6010 NEW CINGULAR WIRELESS PCS, LLC 660   2021-08-26   
385-433 3 WVCYUT14DS1  871E ONVOY, LLC - UT 660   2021-08-07   
385-433 4 WVCYUT14DS1  871E ONVOY, LLC - UT 660   2021-08-07   
385-433 5 WVCYUT14DS1  871E ONVOY, LLC - UT 660   2021-08-07   
385-433 6 WVCYUT14DS1  871E ONVOY, LLC - UT 660   2021-08-07   
385-433 7 SLKCUTJC4MD  6010 NEW CINGULAR WIRELESS PCS, LLC 660   2021-08-26   
385-433 8 SLKCUTJC4MD  6010 NEW CINGULAR WIRELESS PCS, LLC 660   2021-08-26   
385-433 9 SLKCUTJC4MD  6010 NEW CINGULAR WIRELESS PCS, LLC 660   2021-08-26   
385-436 A DRPRUTKJ0MD  5562 METROPCS, INC. 660      
385-436 0 DRPRUTKJ0MD  6529 T-MOBILE USA, INC. 660   2021-12-05   
385-436 1 DRPRUTKJ0MD  6529 T-MOBILE USA, INC. 660   2021-12-05   
385-436 2 DRPRUTKJ0MD  6529 T-MOBILE USA, INC. 660   2021-12-05   
385-436 3 DRPRUTKJ0MD  6529 T-MOBILE USA, INC. 660   2021-12-05   
385-436 4 DRPRUTKJ0MD  6529 T-MOBILE USA, INC. 660   2021-12-05   
385-436 5 DRPRUTKJ0MD  6529 T-MOBILE USA, INC. 660   2021-12-05   
385-436 6 DRPRUTKJ0MD  6529 T-MOBILE USA, INC. 660   2021-12-05   
385-436 7 DRPRUTKJ0MD  6529 T-MOBILE USA, INC. 660   2021-12-05   
385-436 8 DRPRUTKJ0MD  6529 T-MOBILE USA, INC. 660   2021-12-05   
385-436 9 DRPRUTKJ0MD  5562 METROPCS, INC. 660   2021-12-04   
385-441 A SLKDUTBTAMD  6571 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - UT 660      
385-441 0 SLKDUTBTAMD  6571 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - UT 660   2016-08-26   
385-441 1 SLKDUTBTAMD  6571 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - UT 660   2016-08-26   
385-441 2 SLKDUTBTAMD  6571 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - UT 660   2016-08-26   
385-441 3 SLKDUTBTAMD  6571 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - UT 660   2016-08-26   
385-441 4 SLKDUTBTAMD  6571 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - UT 660   2016-08-26   
385-441 5 SLKDUTBTAMD  6571 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - UT 660   2016-08-26   
385-441 6 SLKDUTBTAMD  6571 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - UT 660   2016-08-26   
385-441 7 SLKDUTBTAMD  6571 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - UT 660   2016-08-26   
385-441 8 SLKDUTBTAMD  6571 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - UT 660   2016-08-26   
385-441 9 SLKDUTBTAMD  6571 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - UT 660   2016-08-26   
385-443 A DRPRUTKJ0MD  6529 T-MOBILE USA, INC. 660      
385-443 0 SLKDUTBTAMD  6571 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - UT 660   2021-12-18   
385-443 1 SLKDUTBTAMD  6571 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - UT 660   2021-12-18   
385-443 2 SLKDUTBTAMD  6571 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - UT 660   2022-02-17   
385-443 3 SLKDUTBTAMD  6571 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - UT 660   2022-03-17   
385-443 4 WVCYUT14DS1  871E ONVOY, LLC - UT 660   2021-12-18   
385-443 5 WVCYUT14DS1  871E ONVOY, LLC - UT 660   2021-12-18   
385-443 6 SLKCUTMAXHY  624H ONVOY SPECTRUM, LLC 660   2022-01-14   
385-443 7 SLKCUTMAXHY  624H ONVOY SPECTRUM, LLC 660   2022-01-14   
385-443 8 SLKDUTBTAMD  6571 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - UT 660   2022-01-17   
385-443 9 DRPRUTKJ0MD  6529 T-MOBILE USA, INC. 660   2021-12-17   
385-444 A WVCYUT14DS1  871E ONVOY, LLC - UT 660      
385-444 0 SLKCUTJC4MD  6010 NEW CINGULAR WIRELESS PCS, LLC 660   2014-03-28   
385-444 1 SLKCUTJC4MD  6010 NEW CINGULAR WIRELESS PCS, LLC 660   2014-03-28   
385-444 2 SLKDUTYI3MD  3231 LEVEL 3 COMMUNICATIONS, LLC - UT 660   2014-04-07   
385-444 3 WVCYUT14DS1  871E ONVOY, LLC - UT 660   2014-04-10   
385-444 4 WVCYUT14DS1  871E ONVOY, LLC - UT 660   2014-01-09   
385-444 5 DRPRUTKJ0MD  6529 T-MOBILE USA, INC. 660   2014-03-06   
385-444 6 DRPRUTKJ0MD  6529 T-MOBILE USA, INC. 660   2014-03-06   
385-444 7 WVCYUT14DS1  871E ONVOY, LLC - UT 660   2014-01-09   
385-444 8 DRPRUTKJ0MD  6529 T-MOBILE USA, INC. 660   2014-03-14   
385-444 9 WVCYUT14DS1  871E ONVOY, LLC - UT 660   2014-04-10   
385-454 A SLKDUTBTAMD  6571 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - UT 660      
385-454 0 SLKDUTBTAMD  6571 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - UT 660   2022-03-11   
385-454 1 SLKDUTBTAMD  6571 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - UT 660   2022-03-11   
385-454 2 SLKDUTBTAMD  6571 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - UT 660   2022-03-11   
385-454 3 SLKDUTBTAMD  6571 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - UT 660   2022-03-11   
385-454 4 SLKDUTBTAMD  6571 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - UT 660   2022-03-11   
385-454 5 SLKDUTBTAMD  6571 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - UT 660   2022-11-08   

<< 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 >>

Last updated: Thu, 16 Oct 2025 03:04:18 UTC

Sponsored by: LES.NET

Like this site? We accept donations via PayPal.