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FCC Data · Updated April 2026
A

Best Internet in Cook, IL

1000 Mbps avg · 167 ZIP codes · 100% fiber · 10 providers/ZIP

1000
Avg Mbps
1,000
Max Mbps
100%
Fiber Access
10
Avg Providers
Providers

Internet Providers in Cook

ProviderZIP Codes Served% of Area
Comcast167100%
At&T Illinois167100%
T-Mobile167100%
King Street L.p.167100%
United States Cellular Corporation167100%
Rise Broadband167100%
Frontier North Illinois Gte167100%
Wisper Isp, LLC167100%
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ZIP Codes in Cook

Showing 50 of 167 ZIP codes.

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See how your connection compares to the 1000 Mbps average in Cook.

FAQ

Frequently Asked Questions

What is the average internet speed in Cook, IL?

Cook, Illinois has an average maximum download speed of 1000 Mbps across 167 ZIP codes. The fastest available speed is 1000 Mbps. 100% of ZIP codes have fiber internet.

Who are the best internet providers in Cook?

The most widely available providers in Cook are Comcast (167 ZIPs), At&T Illinois (167 ZIPs), T-Mobile (167 ZIPs). Check individual ZIP codes for exact availability at your address.

Is fiber internet available in Cook?

Yes, fiber internet is available in 100% of Cook's ZIP codes. Fiber coverage is good in this area. Search your specific ZIP code for exact fiber availability.

How does Cook compare to the rest of Illinois?

Cook has an average Broadband Grade of A (81/100). The Cook area averages 10 providers per ZIP code with 100% fiber access. Check the Illinois overview for statewide comparison.