Seymour, CT is a city located in New Haven County, Connecticut and has a land area of 14.52 square miles (37.61 km2). The water area for the city is 0.46 square miles or 1.19 km2. There is one unique zip code in Seymour, Connecticut and it is 06483. The area code(s) for Seymour is 203/475.
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