Etna, CA is a city located in Siskiyou County, California and has a land area of 419.19 square miles (1,085.70 km2). The water area for the city is 1.62 square miles or 4.20 km2. There is one unique zip code in Etna, California and it is 96027. The area code(s) for Etna is 530.
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