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.

NPA: 385 [Rate centres in NPA 385] [Dial plan for NPA 385]

NXX: 831

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
385-831 A Salt Lake City UT DRPRUTKJ0MD  6529 T-MOBILE USA, INC. 660      
385-831 0 Salt Lake City UT SLKCUTMAX9X  117F BANDWIDTH.COM CLEC, LLC - UT 660   2014-11-03   
385-831 1 Salt Lake City UT SLKCUTMAX9X  117F BANDWIDTH.COM CLEC, LLC - UT 660   2014-11-03   
385-831 2 Salt Lake City UT SLKDUTYI3MD  3231 LEVEL 3 COMMUNICATIONS, LLC - UT 660   2014-11-03   
385-831 3 Salt Lake City UT SLKDUTBTAMD  6571 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - UT 660   2015-07-16   
385-831 4 Salt Lake City UT SLKDUTBTAMD  6571 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - UT 660   2015-07-16   
385-831 5 Salt Lake City UT SLKDUTBTAMD  6571 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - UT 660   2015-07-16   
385-831 6 Salt Lake City UT WVCYUT14DS1  871E ONVOY, LLC - UT 660   2014-11-14   
385-831 7 Salt Lake City UT WVCYUT14DS1  871E ONVOY, LLC - UT 660   2014-11-14   
385-831 8 Salt Lake City UT SLKDUTBTAMD  6571 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - UT 660   2015-07-16   
385-831 9 Salt Lake City UT DRPRUTKJ0MD  6529 T-MOBILE USA, INC. 660   2014-10-31   

Last updated: Fri, 22 Mar 2024 03:02:44 UTC

Sponsored by: Execulink Telecom

Like this site? We accept donations via PayPal.