Brinnon, WA is a city located in Jefferson County, Washington and has a land area of 136.82 square miles (354.36 km2). The water area for the city is 1.62 square miles or 4.20 km2. There is one unique zip code in Brinnon, Washington and it is 98320. The area code(s) for Brinnon is 360/564.
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