Where is area code 309? Area code 309 is located in Illinois and covers Peoria, Bloomington, and Normal. It has a single overlay (861) that serves the same area.

Mar 1, 2026 · 309 Area Code located in Illinois, including 175 cities, 20 counties, 1 time zone, map, Census demographics, and 743 active prefixes.

Browse area code 309 phone numbers, prefixes and exchanges. The 309 area code serves Peoria, Bloomington, Rock Island, Macomb, Davenport, covering 149 ZIP codes in 20 counties.

Area codes 309 and 861 are telephone area codes in the North American Numbering Plan (NANP) for the west-central part of the U.S. state of Illinois.

About area code 309: location, common spam callers, related area codes, and more. Includes 309 reverse phone lookup to identify spam callers.

4 days ago · 309 is an area code located in the state of Illinois, US. The largest city it serves is Peoria. Find out where 309 area code zone from, which states, counties and cities it covers. Get the most …

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Route 309 serves the communities Elmhurst, Northlake, Stone Park, Melrose Park, Maywood, River Forest, Oak Park and Chicago.

Find 309 area code details including city, time zone, and map. Lookup area code 309 phone number, name, and location.

U.S.D. 309 does not discriminate on the basis of sex, race, color, national origin, handicap, or age in admission or access to, or treatment, or employment in its programs or activities.