Area Code 779

Country United States
State/Province Illinois 
Major City Rockford 
Easy URL 

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779 Area Code is an area code finder with detailed information on the 779 area code including 779 area code map.

Major cities like Joliet within area code 779 are also listed on this page. More area codes, including those outside of Illinois, are found on the homepage.

Some telephone area codes are overlaid, requiring 10-digit dialing. is your one-stop site for area code lookup, area code search, and area code locator.

Area Code 779 Detail

Area code 779 was created in 2007 to overlay area code 815, which covers the northern third of Illinois. 10-digit dialing is mandatory.

779 Area Code Location
Major Cities County State/Province
Joliet  Will  IL 
Rockford  Winnebago  IL 
Other Cities By Name
Belvidere  Boone  IL 
DeKalb  DeKalb  IL 
Genoa  DeKalb  IL 
Mount Morris  Ogle  IL 
New Milford  Winnebago  IL 
Sheffield  Bureau  IL 
South Beloit  Winnebago  IL 
Sterling  Whiteside  IL 
Wilmington  Will  IL 

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