Personify Theme Template Map for First Interstate Bank - Oak Street Plaza Map for First Interstate Bank - Oak Street Plaza Search | Advanced Search | New Members | Coupons and Discounts | All Categories Finance & Insurance >> Banking/Lending First Interstate Bank - Oak Street Plaza 151 S. College Ave.,Fort Collins, CO 80524 | directions (970) 2261080 | fax: (970) 225-4905 Visit Site If your business isn't here, contact us today to get listed!