Johnson County Treasurer’s Office – Vehicle Registration 76 N. Main St.Buffalo Wyoming 82834 WY Johnson 76 N. Main St.Directions (307) 684-7272 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
