779 Area Code — Rockford, Illinois

Area code 779 serves Rockford, IL.

Most looked-up 779 numbers

• 779-436-1931
• 779-375-1611

Phone prefixes in 779

• 779-436
• 779-375

Carriers serving 779

• Onvoy Spectrum, LLC (1 numbers)

Frequently asked questions

Where is area code 779?

Area code 779 serves Rockford, IL.

What prefixes are in area code 779?

Phone2.io tracks 2 phone prefixes in area code 779, with carrier and spam-report data on individual numbers.

More about area code 779

Area code 779 overview, history, and local numbers · Get a IL phone number

Last updated: September 13, 2026