Area code 630

Area code 630 is a telephone area code in the North American Numbering Plan (NANP). It is used in the state of Illinois in the United States. It was created in 1996 as a split of area code 708. It covers many suburbs of Chicago in northeastern Illinois, including Aurora, Naperville, Wheaton, Downers Grove, Elmhurst, and Lombard. It was overlaid by 331 in 2007.

630