Trabuco Canyon, CA

ZIP code 92678 covers the unincorporated community of Trabuco Canyon in southeastern Orange County, at the foothills of the Santa Ana Mountains. Notable landmarks include O’Neill Regional Park, with its oak woodlands, campgrounds and hiking trails, and Trabuco Creek, which runs through the canyon. The area also provides access to the Cleveland National Forest and surrounding wilderness lands, with residential development interspersed among open spaces.