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

Check Availability

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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