224 Area Code: Cities, Time Zone and Zip Codes
What area code is 224? The area code 224 is located in Illinois and it serves Elgin, Waukegan, Arlington Heights, Evanston, Schaumburg, Palatine, Skokie, Des Plaines, Mount Prospect, Hoffman Estates, and some other surrounding cities. The area code 224 was created on May 1, 1998, and was first put to use on January 5, 2002.