779 Area Code

The 779 area code is a telephone area code in the state of Illinois, USA. It was introduced in 2007 as an overlay to the 815 area code to serve northern Illinois, excluding the Chicago metropolitan area. The 779 area code covers cities such as Rockford, DeKalb, Joliet, and Kankakee.

Understanding the 779 Area Code

The 779 area code serves a mix of urban, suburban, and rural communities in northern Illinois. The overlay was implemented to provide additional telephone numbers due to increased demand in the region. It shares the same geographic area as the 815 area code, allowing new numbers to be assigned without changing existing numbers.

779 Area Code Map and Location

The 779 area code map covers multiple counties and cities, including:

  • Winnebago County
  • DeKalb County
  • Will County
  • Kankakee County
  • Rockford
  • DeKalb
  • Joliet
  • Kankakee
  • Crystal Lake
  • Streator

Major Cities in the 779 Area Code

  • Rockford
  • DeKalb
  • Joliet
  • Kankakee
  • Crystal Lake
  • Streator
  • Elgin (partial)
  • LaSalle
  • Morris
  • Freeport

ZIP Codes in the 779 Area Code

Some common ZIP codes include:

  • 61101 - Rockford, IL
  • 60115 - DeKalb, IL
  • 60432 - Joliet, IL
  • 60901 - Kankakee, IL
  • 60014 - Crystal Lake, IL
  • 61364 - Streator, IL
  • 60120 - Elgin, IL (partial)
  • 61301 - LaSalle, IL
  • 60450 - Morris, IL
  • 61032 - Freeport, IL

Time Zone

The 779 area code is located in the Central Time Zone (CT):

  • Standard Time: UTC -6
  • Daylight Saving Time: UTC -5

Dialing & Phone Service

  • Overlay Code: 815
  • Local Dialing: 10-digit dialing is required
  • Long-Distance: 1 + 779 + 7-digit number
  • International: +1 779 + local number
  • Services: Landline, Mobile, VoIP, Business

What Area Code is 779? / Where is Area Code 779?

What area code is 779? � The 779 area code is an Illinois telephone area code serving northern Illinois outside the Chicago metro area.

Where is area code 779 located? � The 779 area code is located in Illinois, USA, including cities such as Rockford, DeKalb, Joliet, and Kankakee.

Frequently Asked Questions (FAQ)

What is the 779 area code?

The 779 area code is a telephone area code serving northern Illinois outside the Chicago metropolitan area.

When was the 779 area code created?

It was introduced in 2007 as an overlay to 815.

Where is area code 779 located?

It covers cities in northern Illinois such as Rockford, DeKalb, Joliet, and Kankakee.

Does 779 have overlays?

Yes, the 779 area code overlays the 815 area code.

What time zone is 779 in?

Central Time Zone (CT).

779 Area Code