NPS
General Information: (307) 344-7381
Road Updates: (307) 344-2117
Park Tip Line (to report crime): (307) 344-2132
NPS Campground Update (recorded message): (307) 344-2114
NPS TDD: (307) 344-2386
NPS Special Services: (307) 344-2017
Sign Language Interpreters for NPS programs (3 weeks in advance): (307) 344-2251

Xanterra Parks & Resorts (Lodging, Dining, Camping/RV Park, Activities)
General Information: (307) 344-7901
Reservations: (307) 344-7311 or (866) GEYSERLAND
TDD: (307) 344-5395