Niobrara, NE is a city located in Knox County, Nebraska and has a land area of 200.67 square miles (519.73 km2). The water area for the city is 14.58 square miles or 37.76 km2. There is one unique zip code in Niobrara, Nebraska and it is 68760. The area code(s) for Niobrara is 402.
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