<P> North American area code 480 is a telephone area code in Arizona serving the eastern and northern portions of the Phoenix metropolitan area . It was created on April 1 , 1999 in a three - way split of area code 602 , when it was apparent that the Valley of the Sun was growing too fast for it to remain entirely in one area code . Generally , 480 is coextensive with the East Valley , while most of the West Valley is area code 623 and most of Phoenix itself remained in 602 . </P>
where is area code 480 located in usa
in Arizona serving the eastern and northern portions of the Phoenix metropolitan area