Fort Calhoun, NE is a city located in Washington County, Nebraska and has a land area of 40.03 square miles (103.68 km2). The water area for the city is 1.64 square miles or 4.25 km2. There is one unique zip code in Fort Calhoun, Nebraska and it is 68023. The area code(s) for Fort Calhoun is 402.
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