Parker Dam is an unincorporated community in San Bernardino County, California, United States. Parker Dam is located along the Colorado River across from Arizona 24 miles (39 km) east-northeast of Vidal. It is named after Parker Dam, which impounds the Colorado River nearby. Parker Dam has a post office with ZIP code 92267. The post office opened in 1935 and closed briefly between 1939 and 1940.