The numbers below are the most recent searches by Hexum users for Area Code 618 and the Prefix 438.
Area code 618 is associated with Madison County Illinois. The 618 area code includes 323 cities with 40 census areas. As of the 2012 US Census, the total population for this area code is 1,354,492 with 22% under the age of 18 and 17% over the age of 65. There are 534,656 households with average household size of 2 and 66 residents per square mile. Median income for area code $43,593.