BLUFFTON OIL CO. BLUFFTON OIL CO. BLUFFTON. MN 385-2595 We'd like to thank you for your continued patronage! . oil changes tires bulk fuel delivery pay-at-the-pump gas service convenience store 101 Prospect St., Bluffton 218.385.2595 Open: Mon.-Fri. 7 am 6 pm Sat. 7 am Noon Sun. Closed