What is what area code is 217?

Area code 217 is a telephone area code in the North American Numbering Plan (NANP) for the central part of the state of Illinois. It covers cities such as Springfield, Champaign, Decatur, Danville, and Quincy. The code was established in 1947 as one of the original area codes in Illinois. Area code 217 is located in the Central Time Zone and covers a total of 42 counties in Illinois.