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Round Lake Beach, IL is currently using two area codes 224 and 847. Round Lake Beach, IL utilizes an area code overlay in
which area codes 224 and 847 serve the same geographic area. The area code overlay which is in use in Round Lake Beach, IL today was established in 2002 at which time area code 224 was created as an overlay
of area code 847. Area code 847 was originally established in 1996. Ten digit dialing (area code + seven digit number) is necessary in Round Lake Beach because two different homes in the same geographic area
can have the same seven digit phone number but each would have a different area code.
Today, in addition to Round Lake Beach, IL, area codes 224 and 847 serve the larger communities of Algonquin,
Arlington Heights, Buffalo Grove, Carpentersville, Des Plaines, Elgin, Elk Grove Village, Evanston, Glenview, Gurnee, Highland Park, Hoffman Estates, Lake Forest, Lake in the Hills, Libertyville, Morton
Grove, Mount Prospect, Mundelein, Niles, North Chicago, Northbrook, Palatine, Park Ridge, Rolling Meadows, Schaumburg, Skokie, Vernon Hills, Waukegan, Wheeling, Wilmette and Zion, in addition to many smaller
communities in northeastern Illinois. |
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