Bloomington Area Codes: Complete List & Dialing Guide (Illinois)
Bloomington sits at the geographic heart of Illinois, forming the Bloomington-Normal twin cities and serving as the headquarters of insurance giant State…
Aurora, Illinois Area Codes: Dialing Guide & Local Info
Aurora is the second-largest city in Illinois, straddling four counties in the western suburbs of Chicago along the Fox River. It shares…
Peoria Area Codes: Complete List & Dialing Guide (Illinois)
Perched on a bluff above the Illinois River, Peoria is the largest city in central Illinois and the longtime headquarters city of…
Elgin Area Codes: Complete List & Dialing Guide (Illinois)
Once world-famous for its Elgin National Watch Company, Elgin is a historic mill city on the Fox River in the northwest Chicago…
Champaign Area Codes: Complete List & Dialing Guide (Illinois)
Home to the University of Illinois’ flagship campus, Champaign forms the western half of the Champaign-Urbana metro at the heart of east-central…
Naperville Area Codes: Complete List & Dialing Guide (Illinois)
Consistently ranked among the best places to live in America, Naperville is an affluent western suburb of Chicago straddling DuPage and Will…
Rockford Area Codes: Complete List & Dialing Guide (Illinois)
Rockford is the largest city in Illinois outside the Chicago metropolitan area, an industrial and cultural hub on the Rock River in…
Springfield Area Codes: Complete List & Dialing Guide (Illinois)
As the capital of Illinois and the city Abraham Lincoln called home, Springfield is the political and historical heart of central Illinois.…
Chicago Area Codes: Complete List & Dialing Guide (Illinois)
The nation’s third-largest city, Chicago runs on three overlapping area codes that split the city between its downtown core and its outer…
Joliet Area Codes: Complete List & Dialing Guide (Illinois)
Joliet is the county seat of Will County and one of the fastest-growing cities in the Chicago metropolitan area, known for its…