Coggon, IA is a city located in Linn County, Iowa and has a land area of 75.59 square miles (195.78 km2). The water area for the city is 0.44 square miles or 1.14 km2. There is one unique zip code in Coggon, Iowa and it is 52218. The area code(s) for Coggon is 319.
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