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Collinsville, Illinois Area Code Collinsville, IL Area Code is 618 Collinsville, Illinois Area Code is   Illinois Area Codes 217, 224, 309, 312, 331, 464, 618, 630, 708, 773, 779, 815, 847, 872 Area Codes in Other Illinois Locations Addison Alton Arlington Heights Aurora Bartlett Belleville Berwyn Bloomington Bolingbrook Buffalo Grove Burbank Calumet City Carol Stream Carpentersville Champaign Chicago Heights Chicago Cicero Collinsville Crystal Lake Danville Decatur DeKalb Des Plaines Dolton Downers Grove East St. Louis Elgin Elk Grove Village Elmhurst Elmwood Park Evanston Freeport Galesburg Glen Ellyn Glendale Heights Glenview Granite City Gurnee Hanover Park Harvey Highland Park Hoffman Estates Joliet Kankakee Lansing Lombard Maywood Moline Mount Prospect Mundelein Naperville Niles Normal North Chicago Northbrook Oak Forest Oak Lawn Oak Park Orland Park Palatine Park Ridge Pekin Peoria Quincy Rock Island Rockford Round Lake Beach Schaumburg Skokie Springfield St. Charles Streamwood Tinley Park Urbana Waukegan Wheaton Wheeling Wilmette Woodridge United States Area Code Look Up By State Alabama Alaska Arizona Arkansas California Colorado Connecticut Delaware Florida Georgia Hawaii Idaho Illinois Indiana Iowa Kansas Kentucky Louisiana Maine Maryland Massachusetts Michigan Minnesota Mississippi Missouri Montana Nebraska Nevada New Hampshire New Jersey New Mexico New York North Carolina North Dakota Ohio Oklahoma Oregon Pennsylvania Puerto Rico Rhode Island South Carolina South Dakota Tennessee Texas Utah Vermont Virginia Washington Washington, DC West Virginia Wisconsin Wyoming Area Code Look Up in Surrounding Places American Samoa Bahamas Barbados Bermuda British Virgin Islands Dominican Republic Freeport (Bahamas) Grenada Grand Bahama Guam Jamaica Marshall Islands Nassau (Bahamas) Saint Thomas Saint Croix Saint John St. Lucia St. Vincent US Virgin Islands St. Kitts and Nevis Terms of Use - Privacy Statement www.AreaCodeHelp.com is not responsible for any damages or problems caused by this service. If you have any suggestions or comments contact us. Site Copyright 2006 www.areacodehelp.com