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: SLKCUTMADS2

NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
801-417 4 Midvale UT 7421 AT&T - LOCAL 660   2002-08-24   
801-769 5 Pleasant Grove UT 7421 AT&T - LOCAL 660   2005-08-08   
801-937 3 Midvale UT 7421 AT&T - LOCAL 660   2002-03-06   

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

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