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: CTWDUTMADS0

NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
801-453 A Midvale UT 9636 QWEST CORPORATION 660      
801-453 0 Midvale UT 9636 QWEST CORPORATION 660      
801-453 1 Midvale UT 9636 QWEST CORPORATION 660      
801-453 2 Midvale UT 9636 QWEST CORPORATION 660      
801-453 3 Midvale UT 9636 QWEST CORPORATION 660      
801-453 6 Midvale UT 9636 QWEST CORPORATION 660      
801-453 7 Midvale UT 9636 QWEST CORPORATION 660      
801-453 8 Midvale UT 9636 QWEST CORPORATION 660      
801-453 9 Midvale UT 9636 QWEST CORPORATION 660      
801-733 A Midvale UT 9636 QWEST CORPORATION 660      
801-942 A Midvale UT 9636 QWEST CORPORATION 660      
801-943 A Midvale UT 9636 QWEST CORPORATION 660      
801-944 A Midvale UT 9636 QWEST CORPORATION 660      
801-947 A Midvale UT 9636 QWEST CORPORATION 660      

Last updated: Thu, 16 Oct 2025 03:04:18 UTC

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