Arizona (State of Arizona) is located in the southwest of the United States, with a land area of 295,000 square kilometers and a population of 6.48 million. The terrain of the state includes plateaus and grand canyons, and the terrain fluctuates greatly, resulting in a large temperature difference. The state capital is Phoenix. Arizona (AZ) has area codes 480-520-602-623-928, major cities Phoenix 85001, Tucson 85701, and Bangsa 85701 is 85201.