Businesses and Places in Naperville, Illinois

Naperville is a city in DuPage and Will counties in the U.S. state of Illinois, and a suburb of Chicago. Located west of Chicago, Naperville was founded in 1831 and developed as the fifth-largest city in Illinois. As of the 2010 census, the city had a population of 141,853, which was estimated to have increased to 147,112 by July 2015.
Phone Area Codes in Naperville, IL: 331,630

Naperville, Illinois Popular Businesses and Place Categories