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.

Alta, UT

<< 1 2

NPA-NXX BLOCK Switch OCN LATA LIR Eff date Disc date
801-893 5 WVCYUT14DS1  871E ONVOY, LLC - UT 660   2012-12-20   
801-893 6 SLKDUTYI3MD  3231 LEVEL 3 COMMUNICATIONS, LLC - UT 660   2013-11-30   
801-893 7 WVCYUT14DS1  871E ONVOY, LLC - UT 660   2011-06-05   
801-893 8 SLKCUTMAX9X  117F BANDWIDTH.COM CLEC, LLC - UT 660   2013-07-20   
801-893 9 WVCYUT14DS1  871E ONVOY, LLC - UT 660   2012-09-26   

<< 1 2

Last updated: Sat, 05 Apr 2025 03:03:23 UTC

Sponsored by: BeeVox - Whitelabel Reseller Platform

Like this site? We accept donations via PayPal.