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

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NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
435-749 6 Castle Dale UT 516J TON80 COMMUNICATIONS, LLC 660   2021-07-14   
435-874 4 Hildale UT 516J TON80 COMMUNICATIONS, LLC 660   2021-06-18   
725-883 A Mesquite NV 516J TON80 COMMUNICATIONS, LLC 660      
725-883 6 Mesquite NV 516J TON80 COMMUNICATIONS, LLC 660   2022-04-03   
775-268 7 Wendover NV 516J TON80 COMMUNICATIONS, LLC 660   2022-03-13   
801-981 2 Midvale UT 516J TON80 COMMUNICATIONS, LLC 660   2021-08-05   
928-822 4 Fredonia AZ 516J TON80 COMMUNICATIONS, LLC 660   2022-03-09   

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Last updated: Tue, 16 Apr 2024 01:38:01 UTC

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