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
385-454 6   871E ONVOY, LLC - UT 660   2022-10-26   
385-454 7   871E ONVOY, LLC - UT 660   2022-10-26   
385-454 8   6571 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - UT 660   2022-11-08   
385-454 9   871E ONVOY, LLC - UT 660   2022-10-26   
385-457 A DRPRUTKJ0MD  6529 T-MOBILE USA, INC. 660      
385-457 0   6529 T-MOBILE USA, INC. 660   2022-04-01   
385-457 1   6529 T-MOBILE USA, INC. 660   2022-04-01   
385-457 2   6529 T-MOBILE USA, INC. 660   2022-04-01   
385-457 3   6529 T-MOBILE USA, INC. 660   2022-04-01   
385-457 4   6529 T-MOBILE USA, INC. 660   2022-04-01   
385-457 5   6529 T-MOBILE USA, INC. 660   2022-04-01   
385-457 6   6529 T-MOBILE USA, INC. 660   2022-04-01   
385-457 7   6529 T-MOBILE USA, INC. 660   2022-04-01   
385-457 8   6529 T-MOBILE USA, INC. 660   2022-04-01   
385-457 9   6529 T-MOBILE USA, INC. 660   2022-04-01   
385-461 A SLKDUTIT0MD  829J PAETEC ITEL, LLC 660      
385-461 0   515J IP HORIZON LLC 660   2022-04-23   
385-461 1   829J PAETEC ITEL, LLC 660   2022-04-22   
385-461 2   6529 T-MOBILE USA, INC. 660   2022-06-12   
385-461 3   6529 T-MOBILE USA, INC. 660   2022-06-12   
385-461 4   6529 T-MOBILE USA, INC. 660   2022-06-12   
385-461 5   6529 T-MOBILE USA, INC. 660   2022-06-12   
385-461 6   6529 T-MOBILE USA, INC. 660   2022-06-12   
385-461 7   6529 T-MOBILE USA, INC. 660   2022-06-12   
385-461 8   6529 T-MOBILE USA, INC. 660   2022-06-12   
385-461 9   6529 T-MOBILE USA, INC. 660   2022-06-12   
385-465 A SLKDUTBTPS1  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 660      
385-465 0   5562 METROPCS, INC. 660   2018-05-06   
385-465 1   551G NUSO, LLC 660   2018-03-04   
385-465 2   7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 660   2018-01-27   
385-465 3   318J COMCAST IP PHONE, LLC 660   2018-01-27   
385-465 4   6571 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - UT 660   2018-08-20   
385-465 5   6571 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - UT 660   2018-08-20   
385-465 6   508J CENTURYLINK COMMUNICATIONS, LLC 660   2018-01-29   
385-465 7   508J CENTURYLINK COMMUNICATIONS, LLC 660   2018-01-29   
385-465 8   5562 METROPCS, INC. 660   2018-05-06   
385-465 9   5562 METROPCS, INC. 660   2018-05-06   
385-468 A SLKCUTSODS0  9636 QWEST CORPORATION 660      
385-468 0   9636 QWEST CORPORATION 660   2009-08-02   
385-468 1   9636 QWEST CORPORATION 660   2009-08-02   
385-468 2   9636 QWEST CORPORATION 660   2009-08-02   
385-468 3   9636 QWEST CORPORATION 660   2009-08-02   
385-468 4   9636 QWEST CORPORATION 660   2009-08-02   
385-468 5   9636 QWEST CORPORATION 660   2009-08-02   
385-468 6   9636 QWEST CORPORATION 660   2009-08-02   
385-468 7   9636 QWEST CORPORATION 660   2009-08-02   
385-468 8   9636 QWEST CORPORATION 660   2009-08-02   
385-468 9   9636 QWEST CORPORATION 660   2009-08-02   
385-478 A SLKDUTYI3MD  3231 LEVEL 3 COMMUNICATIONS, LLC - UT 660      
385-478 0   6571 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - UT 660   2022-12-23   
385-478 1   6010 NEW CINGULAR WIRELESS PCS, LLC 660   2023-08-01   
385-478 2   3231 LEVEL 3 COMMUNICATIONS, LLC - UT 660   2023-07-27   
385-478 3   871E ONVOY, LLC - UT 660   2022-12-23   
385-478 4   871E ONVOY, LLC - UT 660   2022-12-23   
385-478 5   6010 NEW CINGULAR WIRELESS PCS, LLC 660   2023-08-01   
385-478 6   6010 NEW CINGULAR WIRELESS PCS, LLC 660   2023-08-01   
385-478 7   6010 NEW CINGULAR WIRELESS PCS, LLC 660   2023-08-01   
385-478 8   6010 NEW CINGULAR WIRELESS PCS, LLC 660   2023-08-01   
385-478 9   6010 NEW CINGULAR WIRELESS PCS, LLC 660   2023-08-01   
385-479 A SLKDUTBTAMD  6571 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - UT 660      
385-479 0   6571 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - UT 660   2018-10-06   
385-479 1   6571 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - UT 660   2018-10-06   
385-479 2   6571 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - UT 660   2018-10-06   
385-479 3   526H PEERLESS NETWORK OF UTAH, LLC - UT 660   2019-06-27   
385-479 4   6571 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - UT 660   2019-07-19   
385-479 5   6571 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - UT 660   2019-07-19   
385-479 6   716D VERACITY COMMUNICATIONS, INC. - UT 660   2020-03-18   
385-479 7   3231 LEVEL 3 COMMUNICATIONS, LLC - UT 660   2020-04-24   
385-479 8   871E ONVOY, LLC - UT 660   2020-12-28   
385-479 9   117F BANDWIDTH.COM CLEC, LLC - UT 660   2020-05-17   
385-487 A SLKCUT26DMD  516J TON80 COMMUNICATIONS, LLC 660      
385-487 0   6571 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - UT 660   2021-09-21   
385-487 1   6571 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - UT 660   2021-05-21   
385-487 2   6529 T-MOBILE USA, INC. 660   2021-06-17   
385-487 3   6529 T-MOBILE USA, INC. 660   2021-06-17   
385-487 4   624H ONVOY SPECTRUM, LLC 660   2021-05-23   
385-487 5   624H ONVOY SPECTRUM, LLC 660   2021-05-23   
385-487 6   6529 T-MOBILE USA, INC. 660   2021-06-17   
385-487 7   6529 T-MOBILE USA, INC. 660   2021-06-17   
385-487 8   516J TON80 COMMUNICATIONS, LLC 660   2021-04-04   
385-487 9   6571 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - UT 660   2021-05-21   
385-490 A DRPRUTKJ0MD  6529 T-MOBILE USA, INC. 660      
385-490 0   6571 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - UT 660   2022-11-21   
385-490 1   6529 T-MOBILE USA, INC. 660   2022-11-20   
385-490 2   6529 T-MOBILE USA, INC. 660   2022-11-20   
385-490 3   6529 T-MOBILE USA, INC. 660   2022-11-20   
385-490 4   6529 T-MOBILE USA, INC. 660   2022-11-20   
385-490 5   6529 T-MOBILE USA, INC. 660   2022-11-20   
385-490 6   6529 T-MOBILE USA, INC. 660   2022-11-20   
385-490 7   6529 T-MOBILE USA, INC. 660   2022-11-20   
385-490 8   6529 T-MOBILE USA, INC. 660   2022-11-20   
385-490 9   6529 T-MOBILE USA, INC. 660   2022-11-20   
385-491 A SLKCUTXDPS0  7176 ELECTRIC LIGHTWAVE LLC DBA ALLSTREAM 660      
385-491 0   7176 ELECTRIC LIGHTWAVE LLC DBA ALLSTREAM 660   2022-12-05   
385-491 1   7176 ELECTRIC LIGHTWAVE LLC DBA ALLSTREAM 660   2022-12-05   
385-491 2   6010 NEW CINGULAR WIRELESS PCS, LLC 660   2023-01-02   
385-491 3   6010 NEW CINGULAR WIRELESS PCS, LLC 660   2023-01-02   
385-491 4   6010 NEW CINGULAR WIRELESS PCS, LLC 660   2023-01-02   
385-491 5   6010 NEW CINGULAR WIRELESS PCS, LLC 660   2023-01-02   
385-491 6   6010 NEW CINGULAR WIRELESS PCS, LLC 660   2023-01-02   

<< 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, 29 Jan 2026 14:35:03 UTC

Sponsored by: BeeVox - Whitelabel Reseller Platform

Like this site? We accept donations via PayPal.