The most populous cities in area code 602 are: Phoenix.
Phoenix is the capital and most populous city of the U.S. state of Arizona. With 1,563,025 people (as of 2015 ), Phoenix is the sixth most populous city nationwide, the most populous state capital in the United States, and the only state capital with a population of more than one million residents. Phoenix is the anchor of the Phoenix metropolitan area, also known as the Valley of the Sun, which in turn is a part of the Salt River Valley. The metropolitan area is the 12th largest by population in the United States, with approximately 4.3 million people as of 2010 .
Mesa is a city in Maricopa County, in the U.S. state of Arizona, and is a suburb located about 20 miles (32 km) east of Phoenix. Mesa is the central city of the East Valley section of the Phoenix Metropolitan Area. It is bordered by Tempe on the west, the Salt River Pima-Maricopa Indian Community on the north, Chandler and Gilbert on the south, and Apache Junction on the east. As of the 2010 Census Mesa became Arizona's center of population.Mesa is the third-largest city in Arizona, after Phoenix and Tucson, and the 38th-largest city in the US. The city is home to 439,041 people as of 2010 according to the Census Bureau. Mesa is home to numerous higher education facilities including the Polytechnic campus of Arizona State University.
Glendale / ˈ ɡ l ɛ n d eɪ l / is a city in Maricopa County, Arizona, United States, located about nine miles (14 km) northwest from Downtown Phoenix. According to the 2010 census, the population of the city is 226,721.
The 602 area code lies within the Mountain Standard Time Zone (or MST). The current time in MST is 0:57 AM on Jul 07, 2020.