Flagstaff, AZ

ZIP code 86003 encompasses the town of Flagstaff, Arizona. This area is home to significant landmarks such as the Lowell Observatory, where Pluto was discovered, and the picturesque Sunset Crater Volcano National Monument. The San Francisco Peaks, including Humphreys Peak, Arizona's highest point, are also found within this ZIP code, offering stunning views and recreational opportunities for visitors and residents alike.