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: 435 [Rate centres in NPA 435] [Dial plan for NPA 435]

NXX: 292

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
435-292 A Coalville UT CHYNWYMAX2X  871E ONVOY, LLC - UT 660      
435-292 0 Coalville UT CHYNWYRFDS0  021J AIRUS, INC. - UT 660   2018-11-09   
435-292 1 Coalville UT CHYNWYRFDS0  021J AIRUS, INC. - UT 660   2019-05-23   
435-292 2 Coalville UT CHYNWYMAX2X  871E ONVOY, LLC - UT 660   2020-05-26   
435-292 3 Coalville UT CHYNWYMAX2X  871E ONVOY, LLC - UT 660   2020-09-10   
435-292 4 Coalville UT CHYNWYMAX2X  871E ONVOY, LLC - UT 660   2019-07-08   
435-292 5 Coalville UT CHYNWYMAX2X  871E ONVOY, LLC - UT 660   2019-07-08   
435-292 6 Coalville UT CHYNWYMAX2X  871E ONVOY, LLC - UT 660   2013-12-26   
435-292 7 Coalville UT CHYNWYMAX2X  871E ONVOY, LLC - UT 660   2007-06-17   
435-292 8 Coalville UT CHYNWYMAX2X  871E ONVOY, LLC - UT 660   2013-12-26   
435-292 9 Coalville UT CHYNWYRF1MD  073H TELNYX LLC 660   2019-10-06   

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

Sponsored by: Callcentric - VoIP Internet phone service

Like this site? We accept donations via PayPal.