Mille Lacs, Minnesota, Onamia Rainbow Inn December 7, 2016 / No Comments Business Phone:(320) 532-5399 Type of Business:Hotels & Motels Type of Lodging:Motels Address:45697 U.S. 169 CityOnamia CountyMille Lacs StateMinnesota Country:USA Zip Code:56359 Area Code:320 Daylight Savings:Y Federal Information Processing Standards:27095 Local Time Zone:CST To navigate, press the arrow keys.