Area Code 779 at a Glance
| Area code | 779 |
| Region | Illinois |
| Country | United States |
| Primary timezone | America/Chicago |
| Dialing format | +1 (779) NXX-XXXX |
Cities and Places Using Area Code 779
Based on prefix-level carrier data, area code 779 covers places including:
- Rockford, IL
Frequently Asked Questions
Where is area code 779?
Area code 779 serves Illinois, United States.
Who is calling me from area code 779?
A call from area code 779 most likely originates from Illinois, but caller ID can be spoofed. If an unknown caller asks for personal or payment information, hang up and call the organization back on its official number.
How do I dial a 779 number?
Within North America: dial 1-779 followed by the 7-digit number. From abroad: your international prefix (like 00 or +), then 1 779 and the number.