Trumbull, CT is a city located in Fairfield County, Connecticut and has a land area of 23.34 square miles (60.45 km2). The water area for the city is 0.24 square miles or 0.62 km2. There is one unique zip code in Trumbull, Connecticut and it is 06611. The area code(s) for Trumbull is 203/475.
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