Hyannis Port, MA is a city located in Barnstable County, Massachusetts and has a land area of 0.43 square miles (1.11 km2). The water area for the city is 0.15 square miles or 0.39 km2. There is one unique zip code in Hyannis Port, Massachusetts and it is 02647. The area code(s) for Hyannis Port is 508/774.
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