State Guide - Updated January 2026
Best Internet Providers in Illinois
Illinois features a robust broadband market centered around Chicago. AT&T Fiber and Xfinity are the titans in the metro areas. Frontier offers blistering 7 Gig speeds in select regions. Rural Illinois is seeing growth in 5G home internet options from T-Mobile and Verizon.
Best Overall
AT&T Fiber
Wins on reliability, speed consistency, and customer satisfaction ratings.
Fastest Speeds
Frontier Fiber
Delivers the highest peak download speeds available for residential connections.
Best Value
Mediacom
Offering the lowest starting price per Mbps or best contract-free terms.
Top Providers in Illinois
AT&T Fiber
4.8/5
Starting at
$55/mo
Max Speeds
5 Gbps
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Pros
- Top-tier reliability
- Symmetrical speeds
- Widespread in Chicago
Cons
- Equipment fee may apply
- Limited availability in south IL
Xfinity
4.1/5
Starting at
$35/mo
Max Speeds
2 Gbps
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Pros
- High availability
- Fast download speeds
- Mobile bundles
Cons
- Data caps
- Upload speeds slower than fiber
Astound Broadband
4.4/5
Starting at
$25/mo
Max Speeds
1.5 Gbps
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Pros
- Contract buyouts
- No data caps
- Good value
Cons
- Smaller coverage area
- Price increases
T-Mobile 5G Home
4/5
Starting at
$50/mo
Max Speeds
245 Mbps
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Pros
- Flat rate pricing
- No contracts
- Easy setup
Cons
- Speeds vary by tower load
- High latency for gaming
How Fast is Your Current Internet?
Before upgrading to one of these top providers, find out if you're getting the speeds you're already paying for.
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