Contact Us

NPS Photo - C. Reid

We want to hear from you!

Yellowstone Science
Yellowstone Center for Resources
National Park Service
P.O. Box 168
Yellowstone National Park, WY 82190

Email Us

In Case of Emergency

911 For All Emergencies

• For life and safety emergencies: Dial 911.

• If you're traveling somewhere without phone reception, you must be prepared to self-rescue and to be self-sufficient. Many areas of Yellowstone National Park have poor or little cell coverage.  READ MORE ABOUT SAFETY on our website. 

Requesting National Park Service Help

To report a missing or overdue person traveling in Yellowstone National Park call:

• 307-344-7381

Crime Tips

You can help protect our treasured National Park Service (NPS) sites. If you see something suspicious in any NPS location, or if you have information that could aid an investigation, stay safe and tell us about it. Talk to any NPS employee for help in reporting suspicious activity

• Call or text the tip line: 888-653-0009 (toll-free, USA only)