Grand Canyon National Park Rvr Grand Canyon, AZ 86023 Phone : (928) 638-7843 Business Category Parks & Playgrounds Amusement & Recreation United States Government--national Park Service, Grand Canyon National Park, River Permits Office Grand Canyon, AZ 86023 Phone : (928) 638-7843 Business Category Government Offices-Federal Government Offices & Public Schools United States Government--parks Monuments & Museums, Grand Canyon National Park, River Unit Grand Canyon, AZ 86023 Phone : (928) 638-7843 Business Category Government Offices-Federal Government Offices & Public Schools