Where do I send my federal income tax return if I live in Idaho? Idaho taxpayers should mail their federal income tax returns to the address listed on the Internal Revenue Service Web site.
Contact us if you need more information. Return to Questions GM – 3 Does the Tax Commission have an office near me? The Tax Commission is headquartered in Boise and has five other offices in Idaho. The U.S. Postal Service will not deliver mail to the physical address in Boise. You must send Boise mail to one of the PO boxes listed in GM-1. Idaho State Tax Commission Phone (208) 334-7660 (800) 972-7660 800 Park Blvd., Plaza IV Boise, ID 83712 Idaho State Tax Commission 1910 Northwest Blvd., Suite 100 Coeur d Alene, ID 83814-2676 Idaho State Tax Commission 150 Shoup Ave., Suite 16 Idaho Falls, ID 83402-3653 Idaho State Tax Commission 1118 “F” Street Lewiston, ID 83501-1930 Idaho State Tax Commission 611 Wilson Ave., Suite 5 Pocatello, ID 83201-5046 Idaho State Tax Commission 440 Falls Ave. Twin Falls, ID 83301 Contact us if you need more information. Return to Questions GM – 4 I need a form and I can’t find it on the Web site.