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.

Switch: BTRGUTQACM1

NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
435-822 A Duchesne UT 1772 UINTAH BASIN ELECTRONIC TELECOMMUNICATIONS 660      
435-823 A Roosevelt UT 1772 UINTAH BASIN ELECTRONIC TELECOMMUNICATIONS 660   2024-01-18   
435-824 A Neola UT 1772 UINTAH BASIN ELECTRONIC TELECOMMUNICATIONS 660   2024-01-18   
435-828 A Vernal UT 1772 UINTAH BASIN ELECTRONIC TELECOMMUNICATIONS 660   2024-01-18   

Last updated: Sat, 01 Jun 2024 11:59:14 UTC

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