Area Code 309
Area Code 309 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 309 History:
Area code 309 was officially put into service. Area code 309 was created from splits of area codes 217 and 815.
Area code 861 was put into service as an all services overlay of area code 309. Area code 861 will only become available to subscribers when all assignable central office codes in area code 309 are assigned. Ten digit dialing (area code + seven digit number) will be necessary in the 309/861 overlay because different homes in the same geographic area can have the same seven digit phone number but each would have a different area code.
Counties in Illinois within area code 309 include:
Bureau County, Dewitt County, Fulton County, Hancock County, Henderson County, Henry County, Knox County, Marshall County, Mason County, McDonough County, McLean County, Mercer County, Peoria County, Rock Island County, Schuyler County, Stark County, Tazewell County, Warren County, Whiteside County, and Woodford County.
Major cities or places in Illinois within area code 309 include:
Area code 309 serves a portion of west-central Illinois including the larger cities and communities of Bloomington, Canton, Galesburg, Macomb, East Moline, East Peoria, Galesburg, Moline, Normal, Pekin, Peoria, and Rock Island in addition to many smaller communities.