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.

Tooele, UT

<< 1 2 3 4 5 6 >>

NPA-NXX BLOCK Switch OCN LATA LIR Eff date Disc date
435-274 0 WVCYUT145MD  073H TELNYX LLC 660   2021-03-14   
435-274 1 SLKDUTYI4MD  073H TELNYX LLC 660   2022-06-10   
435-274 2 SLKCUTMAX9X  117F BANDWIDTH.COM CLEC, LLC - UT 660   2021-12-18   
435-274 3 WVCYUT14DS1  871E ONVOY, LLC - UT 660   2021-03-13   
435-274 4 WVCYUT14DS1  871E ONVOY, LLC - UT 660   2021-03-13   
435-274 5 SLKDUTBTAMD  6571 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - UT 660   2022-09-05   
435-274 6 SLKCUT26DMD  516J TON80 COMMUNICATIONS, LLC 660   2021-06-18   
435-274 7 SLKCUTMAX9X  117F BANDWIDTH.COM CLEC, LLC - UT 660   2021-12-18   
435-274 8 SLKDUTBTAMD  6571 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - UT 660   2022-07-19   
435-274 9 WVCYUT145MD  073H TELNYX LLC 660   2021-11-28   
435-277 A TOOLUTMADS0  9636 QWEST CORPORATION 660      
435-277 0 SLKCUTMAX9X  117F BANDWIDTH.COM CLEC, LLC - UT 660   2008-11-29   
435-277 1 DRPRUTKJ0MD  6529 T-MOBILE USA, INC. 660   2010-04-13   
435-277 2 TOOLUTMADS0  9636 QWEST CORPORATION 660   2007-02-02   
435-277 3 DRPRUTKJ0MD  6529 T-MOBILE USA, INC. 660   2010-04-13   
435-277 4 TOOLUTMADS0  9636 QWEST CORPORATION 660   2007-02-02   
435-277 5 DRPRUTKJ0MD  6529 T-MOBILE USA, INC. 660   2010-04-13   
435-277 6 DRPRUTKJ0MD  6529 T-MOBILE USA, INC. 660   2010-04-13   
435-277 7 TOOLUTMADS0  9636 QWEST CORPORATION 660   2006-06-09   
435-277 8 TOOLUTMADS0  9636 QWEST CORPORATION 660   2006-06-09   
435-277 9 DRPRUTKJ0MD  6529 T-MOBILE USA, INC. 660   2010-04-13   
435-338 A SLKDUTBTPS1  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 660      
435-338 0 DRPRUTKJ0MD  6529 T-MOBILE USA, INC. 660   2011-02-04   
435-338 1 DRPRUTKJ0MD  6529 T-MOBILE USA, INC. 660   2011-02-04   
435-338 2 DRPRUTKJ0MD  6529 T-MOBILE USA, INC. 660   2011-02-04   
435-338 3 SLKDUTBTPS1  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 660   2006-08-09   
435-338 4 DRPRUTKJ0MD  6529 T-MOBILE USA, INC. 660   2011-02-04   
435-338 5 DRPRUTKJ0MD  6529 T-MOBILE USA, INC. 660   2011-02-04   
435-338 6 DRPRUTKJ0MD  6529 T-MOBILE USA, INC. 660   2011-02-04   
435-338 7 DRPRUTKJ0MD  6529 T-MOBILE USA, INC. 660   2011-02-04   
435-338 8 DRPRUTKJ0MD  6529 T-MOBILE USA, INC. 660   2011-02-04   
435-338 9 DRPRUTKJ0MD  6529 T-MOBILE USA, INC. 660   2012-02-10   
435-354 A SLKCUTJC4MD  6010 NEW CINGULAR WIRELESS PCS, LLC 660      
435-354 0 WVCYUT14DS1  871E ONVOY, LLC - UT 660   2024-05-11   
435-354 1 WVCYUT14DS1  871E ONVOY, LLC - UT 660   2025-03-08   
435-354 2 SLKCUT268MD  197D VONAGE AMERICA LLC 660   2024-02-15   
435-354 3 SLKCUTJC4MD  6010 NEW CINGULAR WIRELESS PCS, LLC 660   2025-05-29   
435-354 5 SLKCUTJC4MD  6010 NEW CINGULAR WIRELESS PCS, LLC 660   2025-05-29   
435-354 8 SLKCUTJC4MD  6010 NEW CINGULAR WIRELESS PCS, LLC 660   2024-08-15   
435-354 9 SLKCUTJC4MD  6010 NEW CINGULAR WIRELESS PCS, LLC 660   2023-09-23   
435-496 A DRPRUTKJ0MD  6529 T-MOBILE USA, INC. 660      
435-496 0 DRPRUTKJ0MD  5562 METROPCS, INC. 660      
435-496 1 DRPRUTKJ0MD  6529 T-MOBILE USA, INC. 660   2011-05-13   
435-496 2 DRPRUTKJ0MD  6529 T-MOBILE USA, INC. 660   2011-05-13   
435-496 3 DRPRUTKJ0MD  5562 METROPCS, INC. 660      
435-496 4 DRPRUTKJ0MD  6529 T-MOBILE USA, INC. 660   2012-02-10   
435-496 5 DRPRUTKJ0MD  6529 T-MOBILE USA, INC. 660   2011-05-13   
435-496 6 DRPRUTKJ0MD  6529 T-MOBILE USA, INC. 660   2011-05-13   
435-496 7 DRPRUTKJ0MD  6529 T-MOBILE USA, INC. 660   2011-05-13   
435-496 8 DRPRUTKJ0MD  6529 T-MOBILE USA, INC. 660   2011-05-13   

<< 1 2 3 4 5 6 >>

Last updated: Sat, 10 Oct 2026 15:24:20 UTC

Sponsored by: ISP Telecom

Like this site? We accept donations via PayPal.