Dewar, OK is a city located in Okmulgee County, Oklahoma and has a land area of 4.40 square miles (11.40 km2). The water area for the city is 0.04 square miles or 0.10 km2. There is one unique zip code in Dewar, Oklahoma and it is 74431. The area code(s) for Dewar is 918/539.
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