Washakie County Treasurer’s Office – Registration 1001 Big Horn Ave.Worland Wyoming 82401 WY Washakie 1001 Big Horn Ave.Directions (307) 347-2031 Monday 08:00 am - 05:00 pm Tuesday 08:00 am - 05:00 pm Wednesday 08:00 am - 05:00 pm Thursday 08:00 am - 05:00 pm Friday 08:00 am - 05:00 pm Saturday Closed Sunday Closed