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: SLKCUT26DMD

NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
385-472 A Provo UT 516J TON80 COMMUNICATIONS, LLC 660      
385-487 A Salt Lake City UT 516J TON80 COMMUNICATIONS, LLC 660      
385-524 A Kaysville UT 516J TON80 COMMUNICATIONS, LLC 660      
385-526 A Clearfield UT 516J TON80 COMMUNICATIONS, LLC 660      
385-563 A Salt Lake City UT 516J TON80 COMMUNICATIONS, LLC 660      
385-566 A Kaysville UT 516J TON80 COMMUNICATIONS, LLC 660      
385-644 A Bountiful UT 516J TON80 COMMUNICATIONS, LLC 660      
385-746 A Lehi UT 516J TON80 COMMUNICATIONS, LLC 660      
385-832 A American Fork UT 516J TON80 COMMUNICATIONS, LLC 660      
385-837 A Ogden UT 516J TON80 COMMUNICATIONS, LLC 660      
385-865 A Ogden UT 516J TON80 COMMUNICATIONS, LLC 660      
385-866 A Provo UT 516J TON80 COMMUNICATIONS, LLC 660      
385-874 A Farmington UT 516J TON80 COMMUNICATIONS, LLC 660      
435-547 A Brian Head UT 516J TON80 COMMUNICATIONS, LLC 660      
435-567 A Richfield UT 516J TON80 COMMUNICATIONS, LLC 660      
435-569 A Moab UT 516J TON80 COMMUNICATIONS, LLC 660      
435-737 A Tooele UT 516J TON80 COMMUNICATIONS, LLC 660      
435-746 A Kamas UT 516J TON80 COMMUNICATIONS, LLC 660      
725-883 A Mesquite NV 516J TON80 COMMUNICATIONS, LLC 660      

Last updated: Thu, 01 Jan 2026 03:59:49 UTC

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