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.
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Switch: SLKCUT26CMD

NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
385-400 A Ogden UT 145J TERRA NOVA TELECOM INC. 660      
435-212 6 Hildale UT 145J TERRA NOVA TELECOM INC. 660   2026-03-13   
435-221 1 Beaver UT 145J TERRA NOVA TELECOM INC. 660   2026-01-11   
435-240 3 Wendover UT 145J TERRA NOVA TELECOM INC. 660   2026-03-13   
435-282 1 Tremonton UT 145J TERRA NOVA TELECOM INC. 660   2026-03-13   
435-304 2 Richfield UT 145J TERRA NOVA TELECOM INC. 660   2026-03-04   
435-314 0 Ephraim UT 145J TERRA NOVA TELECOM INC. 660   2025-07-10   
435-401 2 Roosevelt UT 145J TERRA NOVA TELECOM INC. 660   2026-03-13   
435-459 6 Monticello UT 145J TERRA NOVA TELECOM INC. 660   2026-03-13   
435-514 0 Logan UT 145J TERRA NOVA TELECOM INC. 660   2026-03-04   
435-819 1 Kanab UT 145J TERRA NOVA TELECOM INC. 660   2026-07-05   
435-820 3 Price UT 145J TERRA NOVA TELECOM INC. 660   2026-03-13   
801-998 7 Midvale UT 145J TERRA NOVA TELECOM INC. 660   2026-05-01   

Last updated: Sat, 01 Aug 2026 03:19:33 UTC

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