Idaho Advantage Credit Union Address: 343 Caldwell Blvd, Nampa, ID 83651 Phone: (208) 327-3445 Hours: Mon: 9am-5:30pm Tue: 9am-5:30pm Wed: 9am-5:30pm Thu: 9am-5:30pm Fri: 9am-5:30pm Banks, Credit Unions Other Businesses: Intermountain Community Bank at 521 12th Ave S, Nampa, ID 83651 Washington Federal at 223 11th Ave S, Nampa, ID 83651 US Bank at 1112 1st St S, Nampa, ID 83651 KeyBank at 324 12th Ave S, Nampa, ID 83651 Mountain America Credit Union at 112 2nd St, Nampa, ID 83651