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.

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NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
801-432 A Midvale UT 9636 QWEST CORPORATION 660      
801-495 A Midvale UT 9636 QWEST CORPORATION 660      
801-501 A Midvale UT 9636 QWEST CORPORATION 660      
801-523 A Midvale UT 9636 QWEST CORPORATION 660      
801-545 A Midvale UT 9636 QWEST CORPORATION 660      
801-553 A Midvale UT 9636 QWEST CORPORATION 660      
801-571 A Midvale UT 9636 QWEST CORPORATION 660      
801-572 A Midvale UT 9636 QWEST CORPORATION 660      
801-576 A Midvale UT 9636 QWEST CORPORATION 660      
801-619 A Midvale UT 9636 QWEST CORPORATION 660      
801-816 A Midvale UT 9636 QWEST CORPORATION 660      

Last updated: Thu, 29 Jan 2026 14:35:03 UTC

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