Countless Thanks to Richland County Voters! Thanks for voting us Richland County's Best Dinner BEST OF Richland COUNTY 2021 for two years in a row! SIDNEY. MONTANA South Delivery: 406-433-4338 Delivery Times: 11 am-9 pm daily Take Out: 406-433-4998 Dining Room: 406-433-4999 Restaurant Lounge Casino 207 2nd Ave. NW, Sidney www.south40sidney.com Casino open at 8 am daily Restaurant and Lounge open at 10:30 am. Countless Thanks to Richland County Voters! Thanks for voting us Richland County's Best Dinner BEST OF Richland COUNTY 2021 for two years in a row! SIDNEY. MONTANA South Delivery: 406-433-4338 Delivery Times: 11 am-9 pm daily Take Out: 406-433-4998 Dining Room: 406-433-4999 Restaurant Lounge Casino 207 2nd Ave. NW, Sidney www.south40sidney.com Casino open at 8 am daily Restaurant and Lounge open at 10:30 am.