El Sobrante, CA is a city located in Contra Costa County, California and has a land area of 12.82 square miles (33.20 km2). The water area for the city is 0.00 square miles or 0.00 km2. There are 2 total unique zip codes in El Sobrante, California. The area code(s) for El Sobrante is 341/510.
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