List of 1 zip codes in Why, Arizona; 85321, 3, 988, 620, 000, 1, 540. The state of Arizona is a state located in the southwestern region of the United States. The capital and largest city is Phoenix. The second largest city is Tucson, followed by the four cities in the Phoenix metropolitan area: Mesa, Glendale, Chandler and Scottsdale.
All zip code data on this page comes from the geographic reference files of the United States Census Bureau. Arizona is the sixth largest state by total land area, with an area of 113,990 square miles (295,233 square kilometers) and has a total population of 7,174,064 people based on the most recent U.