Security State Bank & Trust Address: 23596 W US Highway 290, Harper, TX 78631 Phone: (830) 864-4400 Banks, Loans Other Businesses: Cedar Springs Ranch at 385 Cedar Springs Rd, Harper, TX 78631 Cedar Springs Ranch at 19051 Ranch Road 385, Harper, TX 78631 El Gallo Mexican Restaurant at 11807 W US Highway 290, Harper, TX 78631 Longhorn Cafe at 23624 W Us Highway 290, Harper, TX 78631