First Interstate Bank First Interstate Bank Search | Advanced Search | New Members | Coupons and Discounts | All Categories   Finance & Insurance >> Financial Services >> Banks and Financial Institutions First Interstate Bank 421 W Riverside Spokane, WA 99201 | View on Google Maps Visit Site Member Since: 1989 Send a message to: First Interstate Bank Your Name: Your Email: Subject: Message: (Date: 12/22/2024)