Black Mesa Pipeline Inc N Highway 89 Gray Mountain, AZ 86016 Phone : (928) 679-2308 Anasazi Inn At Gray Mountain Us Highway 89 N Gray Mountain, AZ 86016 Phone : (928) 679-2214 Post Office - Gray Mountain 455 Highway 89 Gray Mountain, AZ 86016 Phone : (928) 779-2371 Gray Mountain Trading Post Us Highway 89 N Gray Mountain, AZ 86016 Phone : (928) 679-2203