Area Code 872
Area Code 872 is in Illinois
(217 and 447) - (224 and 847)
(309 and 861) - (312 and 872)
(331 and 630) - (464 and 708)
(618 and 730) - (773 and 872)
(779 and 815)
Area Code 872 History:
11/07/2009
Area code 872 was officially put into service. Area code 872 is an overlay of area codes 312 and 773.
Counties in Illlinois within area code 872 include:
Cook County.
Major cities or places in Illlinois within area code 872 include:
Area codes 773 and 872 serve the areas outside of the Chicago downtown area. Chicago originally utilized area code 312 which was one of the original area codes assigned to Illinois in 1947. In 1996 area code 312 was split to form area code 773. Area code 312 then served the downtown area, or inside "The Loop" and area code 773 served the remainder of the city. On November 7, 2009 area code 872 was officially put into service. Area code 872 is an overlay of both 312 and 773.
