Tishomingo, OK is a city located in Johnston County, Oklahoma and has a land area of 152.36 square miles (394.61 km2). The water area for the city is 11.04 square miles or 28.59 km2. There is one unique zip code in Tishomingo, Oklahoma and it is 73460. The area code(s) for Tishomingo is 580.
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