Wailuku, HI is a city located in Maui County, Hawaii and has a land area of 76.10 square miles (197.10 km2). The water area for the city is 6.05 square miles or 15.67 km2. There is one unique zip code in Wailuku, Hawaii and it is 96793. The area code(s) for Wailuku is 808.
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