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: SLKCUTMAXSY

NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
385-462 A Farmington UT 7421 AT&T - LOCAL 660      
385-462 9 Farmington UT 7421 AT&T - LOCAL 660   2022-05-19   
801-590 A Murray UT 7421 AT&T - LOCAL 660      
801-590 1 Murray UT 7421 AT&T - LOCAL 660      
801-590 5 Murray UT 7421 AT&T - LOCAL 660      
801-703 A Salt Lake City UT 7421 AT&T - LOCAL 660      
801-703 2 Salt Lake City UT 7421 AT&T - LOCAL 660      
801-703 9 Salt Lake City UT 7421 AT&T - LOCAL 660      
801-790 A Midvale UT 7421 AT&T - LOCAL 660      
801-790 5 Midvale UT 7421 AT&T - LOCAL 660      
801-828 A Salt Lake City UT 7421 AT&T - LOCAL 660      
801-828 1 Salt Lake City UT 7421 AT&T - LOCAL 660      
801-828 9 Salt Lake City UT 7421 AT&T - LOCAL 660      

Last updated: Sun, 26 Jan 2025 15:59:20 UTC

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