Local Phone Numbers
Illinois
779 Area Code
The 779 area code covers northern Illinois outside the Chicago metro area, including cities like Rockford, Joliet, DeKalb, and Freeport. Whether you’re a contractor, healthcare provider, or tech startup, having a local number helps you appear established and accessible to the communities you serve.
With DialLink, it takes just minutes to activate your 779 area code number complete with AI-powered cloud phone system built for small businesses and startups.
Introduced in 2007 as an overlay for the 815 area code, 779 was added to meet rising demand for phone numbers in northern Illinois. Both codes now cover the same region, which includes fast-growing suburbs and business hubs west of Chicago.
Using a 779 area code number helps your business connect with residents and clients in areas that value familiarity and local presence, while giving you room to scale without limitations.
When you choose a local number from DialLink, you're getting more than just digits:
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Whether you're based in Illinois or simply want to break into the market, DialLink's numbers help your business sound local, feel accessible, and stay organized.
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The 779 area code serves northern Illinois and overlays the 815 region, including cities like Rockford, Joliet, and DeKalb.
Rockford is the largest city in the 779 area code, along with other cities like Joliet, Freeport, and DeKalb.
Area code 779 is located in northern Illinois, west and south of the Chicago metropolitan area.
There are over 300 active area codes across the United States, with more being added to meet growing demand.
Start today with DialLink's AI-powered cloud phone system and secure your local number. Project professionalism, build trust, and scale your customer communications with ease.