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: SLKDUTIT0MD

NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
385-461 A Salt Lake City UT 829J PAETEC ITEL, LLC 660      
435-226 A Brigham City UT 829J PAETEC ITEL, LLC 660      
435-227 A Logan UT 829J PAETEC ITEL, LLC 660      
435-228 A Tooele UT 829J PAETEC ITEL, LLC 660      
801-307 A Midvale UT 829J PAETEC ITEL, LLC 660      
801-308 A Midvale UT 829J PAETEC ITEL, LLC 660      
801-478 A Salt Lake City UT 829J PAETEC ITEL, LLC 660      
801-713 A Murray UT 829J PAETEC ITEL, LLC 660      
801-855 A American Fork UT 829J PAETEC ITEL, LLC 660      

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

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