Learn about the 779 area code, including its location, cities, time zone, introduction date, and related area codes.
779 Area Code Details
Major Cities in the 779 Area Code
The 779 area code is associated with the following cities and communities:
- Belvidere
- Crystal Lake
- DeKalb
- Freeport
- Joliet
- Kankakee
- Loves Park
- Machesney Park
- McHenry
- Rockford
- Romeoville
- Woodstock
Where Is Area Code 779 Located?
The 779 area code serves communities in Illinois. The exact communities and numbering assignments can change as telephone numbering resources are updated.
779 Area Code Time Zone
The 779 area code is associated with the Central time zone.
When Was 779 Area Code Introduced?
The 779 area code was introduced in 17-Mar-2007.
How to Call a 779 Area Code Number
For a call within the same numbering plan, dial the required local number according to your carrier’s dialing rules. For calls from outside the United States, use the United States country code (+1), followed by the area code and seven-digit telephone number.
Related Area Codes
779 Area Code FAQ
What state is 779 area code in?
The 779 area code is associated with Illinois.
What time zone is 779 area code in?
The 779 area code is associated with Central.
What cities use 779 area code?
Belvidere|Crystal Lake|DeKalb|Freeport|Joliet|Kankakee|Loves Park|Machesney Park|McHenry|Rockford|Romeoville|Woodstock
More Questions About Area Code 779
What state is area code 779 in?
Area code 779 is associated with Illinois.
What time zone is area code 779 in?
The listed time zone for area code 779 is Central.