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.

OCN: 021J AIRUS, INC. - UT

NPA-NXX BLOCK Rate Centre Region Switch LATA LIR Eff date Disc date
385-377 A Salt Lake City UT SLKCUT242MD  660      
385-377 1 Salt Lake City UT SLKCUT242MD  660   2017-08-28   
435-292 0 Coalville UT CHYNWYRFDS0  660   2018-11-09   
435-292 1 Coalville UT CHYNWYRFDS0  660   2019-05-23   
435-301 A St George UT SLKCUT242MD  660      
435-667 9 Brigham City UT SLKCUT242MD  660   2022-02-24   

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

Sponsored by: Execulink Telecom

Like this site? We accept donations via PayPal.