Humboldt, AZ is a city located in Yavapai County, Arizona and has a land area of 16.64 square miles (43.10 km2). The water area for the city is 0.00 square miles or 0.00 km2. There is one unique zip code in Humboldt, Arizona and it is 86329. The area code(s) for Humboldt is 928.
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