Area codes 847 and 224

847847 & 224847 and 224224847, 224847/224224, 847Area code 224area code 847847 / 224
Area codes 847 and 224 are Illinois area codes covering northeastern Illinois and many northern suburbs of Chicago.wikipedia
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List of North American Numbering Plan area codes

List of North American area codesArea CodesNPA
On January 5, 2002, area code 224 overlaid the 847 NPA and 10-digit dialing was implemented.

Area code 708

708
The main area code, 847, was created on January 20, 1996, in a three-way split from area code 708.
The northern suburbs became area code 847, while the western suburbs became area code 630.

Cook County, Illinois

Cook CountyCookCook counties
They serve most of Lake County, the northern part of Cook County, the northern part of Kane County, and a small part of McHenry County.

Des Plaines, Illinois

Des Plaines Des Plaines, IllinoisCity of Des Plaines
Des Plaines

Deerfield, Illinois

DeerfieldDeerfield, ILDeerfield Historic Village
Deerfield