Area Code 779 — Illinois

Active General Purpose Code Overlay United States

Area code 779 is located in Illinois and operates on Central Time . The largest city served is Rockford .

Coverage Area

Area code 779 — Illinois

Area Code Details

Area Code: 779
State / Province: Illinois (IL)
Country: United States
Time Zone: Central Time Central Time
Local Time Now: —
Status: Active
Code Type: General Purpose Code
In Service Since: March 17, 2007
Assigned: February 6, 2004
Population Served: ~415,094 est.
Overlay Complex: 779/815

Cities Served

Largest City Rockford

Rockford Joliet Crystal Lake Kankakee Freeport Frankfort Coal City Momence Donovan Monroe Center De Kalb Cissna Park

History & Relationships

Split from

Overlay complex — shares geography with

Rate Centers & Exchanges

12 rate centers identified within area code 779

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Other Area Codes in Illinois

Nearby Area Codes

Frequently Asked Questions About Area Code 779

What state is area code 779?

Area code 779 is located in Illinois, United States.

Where is area code 779 from?

Area code 779 originates from Illinois. It operates in the Central Time zone.

What time zone is area code 779?

Area code 779 falls within the Central Time zone (Central Time).

What cities are in area code 779?

Area code 779 serves cities including Rockford, Joliet, Crystal Lake, Kankakee, Freeport, Frankfort, Coal City, Momence, and more.

Is a call from area code 779 a scam?

Area code 779 is a legitimate general purpose code area code serving Illinois. Like any area code, individual numbers using 779 can be used for scam calls — always verify the specific number if you receive an unexpected or suspicious call.