Old Greenwich Zip Codes - Fairfield County CT

Old Greenwich, CT Zip Code Map

Old Greenwich, CT is a city located in Fairfield County, Connecticut and has a land area of 2.27 square miles (5.88 km2). The water area for the city is 1.48 square miles or 3.83 km2. There is one unique zip code in Old Greenwich, Connecticut and it is 06870. The area code(s) for Old Greenwich is 203/475.

Zip Codes for Old Greenwich, CT (1)
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06870 Old Greenwich Fairfield

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