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Contact the College of Southern Idaho

General Information

  • Local: (208) 733-9554
  • Toll Free: 1-800-680-0274, Ext. 6221 (Idaho & Nevada)


If you have any questions, please do not hesitate to contact us. You can stop by, call us or e-mail. To request specific information about the degrees, programs, and extracurricular activities offered at CSI, please visit the Academic Programs page. To contact CSI faculty or staff, please visit the CSI Employee Directory. Can't find the contact information for the office you are looking for? Please visit our Offices and Services page.

Address and Directions

College of Southern Idaho

315 Falls Ave

PO Box 1238

Twin Falls, ID 83303

Get Directions to 315 Falls Ave, Twin Falls, ID 83301


Main Campus

Twin Falls
Phone: (208) 733-9554
Address & Maps

Off-Campus Centers

Phone: (208) 934-8678 
Address & Maps

Phone: (208) 324-5101
Address & Maps

Phone: (208) 678-1400
Address & Maps