Courthouses in Dewey-Humboldt, Arizona, the US. Courthouses locations in Dewey-Humboldt, Arizona. Find the nearest courthouses locations, near you. All types of business services ATM Courthouse Finance Real estate School Travel University All courthouses in Dewey-Humboldt Dewey-Humboldt Justice Court Courthouse +1 928-632-0008 2735 Arizona 69, Dewey, Dewey-Humboldt, Arizona 86327 Write a review Phone Website Directions