Onslow Cafe-Aunt B's Address: 102 S Main St, Onslow, IA 52321 Phone: (563) 485-3895 Restaurants Other Businesses: Ohnward Bank & Trust at 103 S Main St, Onslow, IA 52321 Ohnward Bank & Trust at 103 S Main St, Onslow, IA 52321