Waikoloa, HI is a city located in Hawaii County, Hawaii and has a land area of 79.85 square miles (206.81 km2). The water area for the city is 0.44 square miles or 1.14 km2. There is one unique zip code in Waikoloa, Hawaii and it is 96738. The area code(s) for Waikoloa is 808.
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