ChamberMaster O-Ramen Restaurants, Food & Beverages O-Ramen Visit Website 131 N Grand Ave Pullman, WA 99163 (509) 339-6237 Facebook Instagram Hours: Right now O-ramen is open seven days a week from 11:30 am to 8:00 pm. About Map About O-ramen is a casual quick service restaurant that specializes in Japanese style ramen. O-ramen also has the largest sake selection on sale in the Palouse! Directions Just north of the intersection of Grand AVE and Main ST.
