Volcano is a census-designated place in Amador County, California. It lies at an elevation of 2070 feet. The population was 115 at the 2010 census. It is located at 3826?35?N 12037?51?W? / ?38.44306N 120.63083W? / 38.44306; -120.63083, just north of Pine Grove. The town is registered as a California Historical Landmark. The community is in ZIP code 95689 and area code 209.