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: SLKCUTMAXIY

NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
385-301 3 Salt Lake City UT 321J HD CARRIER LLC 660   2020-06-01   
385-318 7 Murray UT 321J HD CARRIER LLC 660   2020-06-05   
385-318 8 Murray UT 321J HD CARRIER LLC 660   2020-06-05   
385-330 6 Pleasant Grove UT 321J HD CARRIER LLC 660   2020-06-01   
385-330 9 Pleasant Grove UT 321J HD CARRIER LLC 660   2020-06-01   
385-340 A Bountiful UT 321J HD CARRIER LLC 660      
385-340 8 Bountiful UT 321J HD CARRIER LLC 660   2020-07-04   
385-340 9 Bountiful UT 321J HD CARRIER LLC 660   2020-07-04   
385-346 4 Midvale UT 321J HD CARRIER LLC 660   2020-06-27   
385-346 5 Midvale UT 321J HD CARRIER LLC 660   2020-06-27   
385-348 6 Kaysville UT 321J HD CARRIER LLC 660   2020-06-01   
385-348 7 Kaysville UT 321J HD CARRIER LLC 660   2020-06-01   
385-440 2 Pleasant Grove UT 321J HD CARRIER LLC 660   2018-01-28   
385-799 A Salt Lake City UT 321J HD CARRIER LLC 660      
385-799 9 Salt Lake City UT 321J HD CARRIER LLC 660   2019-05-31   

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

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