Barnsdall, OK is a city located in Osage County, Oklahoma and has a land area of 155.53 square miles (402.82 km2). The water area for the city is 1.11 square miles or 2.87 km2. There is one unique zip code in Barnsdall, Oklahoma and it is 74002. The area code(s) for Barnsdall is 539/918.
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