Events « All Events New Year’s Eve – Closure December 31 @ 8:00 am - 5:00 pm « Christmas – Closure Our office will close at noon, December 31, 2025. Add to calendar Google Calendar iCalendar Outlook 365 Outlook Live Details Date: December 31 Time: 8:00 am - 5:00 pm Organizer Cheyenne Laramie County Public Health Phone 307-633-4000 View Organizer Website Venue Cheyenne Laramie County Public Health 100 Central Avenue Cheyenne, WY 82007 United States + Google Map