Irvine, CA

ZIP code 92603 is in southern Irvine, California, and includes the neighborhoods of Turtle Rock, University Park, and Shady Canyon. Its notable landmarks include Bommer Canyon, with trails and open space; Quail Hill Preserve, a popular hiking area; Turtle Rock Community Park; and Shady Canyon Golf Club. The area is largely residential, with access to nearby foothills and protected natural land.