Amboy, CA

ZIP code 92304 encompasses Amboy and a broad, sparsely populated area of the Mojave Desert in San Bernardino County, California. The community lies along historic U.S. Route 66. Its best-known landmarks include Roy’s Motel and Café, a preserved Route 66 roadside stop, and Amboy Crater, a volcanic cinder cone and National Natural Landmark surrounded by desert lava fields. The region is characterized by open desert terrain and widely spaced development.