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: SLKDUTHTDS1

NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
385-351 A Midvale UT 7541 XO UTAH, INC. 660   2009-10-05   
385-428 A Murray UT 7541 XO UTAH, INC. 660   2012-03-08   
435-487 A Park City UT 7541 XO UTAH, INC. 660      
435-579 A Tooele UT 7541 XO UTAH, INC. 660      
801-203 A Bountiful UT 7541 XO UTAH, INC. 660      
801-335 A Bountiful UT 7541 XO UTAH, INC. 660      
801-336 A Kaysville UT 7541 XO UTAH, INC. 660      
801-384 A Salt Lake City UT 7541 XO UTAH, INC. 660   2011-02-06   
801-405 A Payson UT 7541 XO UTAH, INC. 660      
801-416 A Clearfield UT 7541 XO UTAH, INC. 660      
801-528 A Ogden UT 7541 XO UTAH, INC. 660      
801-559 A Midvale UT 7541 XO UTAH, INC. 660      
801-660 A Kaysville UT 7541 XO UTAH, INC. 660   2005-05-16   
801-723 A Spanish Fork UT 7541 XO UTAH, INC. 660      
801-735 A Provo UT 7541 XO UTAH, INC. 660      
801-758 A Midvale UT 7541 XO UTAH, INC. 660      
801-769 A Pleasant Grove UT 7541 XO UTAH, INC. 660   2005-05-22   
801-839 A Salt Lake City UT 7541 XO UTAH, INC. 660   2008-12-14   
801-841 A Provo UT 7541 XO UTAH, INC. 660      
801-842 A Salt Lake City UT 7541 XO UTAH, INC. 660      
801-935 A Salt Lake City UT 7541 XO UTAH, INC. 660   2010-05-31   

Last updated: Sun, 10 Nov 2019 13:49:34 UTC

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