Internet Speeds in Stamford, CT

In Stamford there are 1 internet service providers, with Optimum being the most popular. Optimum offers cable internet service. Over 46,596 recent tests, our research shows that Optimum customers have been getting 203 Mbps for download speeds and 35 Mbps for upload speeds.

While these are the real speeds we have been seeing in recent tests, there are many factors that affect download and upload speeds, so your actual service may differ.

Last updated on February 3, 2023
ProviderDownload SpeedUpload SpeedLatency
View Details →
203 Mbps35 Mbps8 ms
* Data from speed tests taken in the last 3 months

Internet Providers in Stamford, CT



Download Speed


Upload Speed





Optimum is the most popular provider in Stamford offering cable internet service. Users have been getting 203 Mbps for download speeds and 35 Mbps for upload speeds over 46,596 recent tests.

Performance Breakdown

Optimum has the fastest average download speed, the fastest average upload speed, and the lowest latency out of all of the providers in Stamford. 36% of users saw download speeds between 100-250 Mbps, and 53% of users saw upload speeds between 25-50 Mbps.

Download Speeds

Upload Speeds

Recent Optimum Speed Tests in Stamford

DateDownload SpeedUpload SpeedLatency
February 2, 2023219 Mbps10 Mbps18 ms
February 2, 2023458 Mbps37 Mbps6 ms
February 2, 2023224 Mbps35 Mbps9 ms
February 2, 2023198 Mbps10 Mbpsn/a ms
February 2, 202320 Mbps7 Mbps9 ms
February 2, 202398 Mbps36 Mbpsn/a ms
February 2, 202328 Mbps1 Mbps10 ms
February 2, 2023326 Mbps33 Mbps9 ms
February 2, 2023246 Mbps35 Mbps10 ms
February 2, 2023167 Mbps22 Mbps12 ms

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Frequently Asked Questions

What internet providers are available in Stamford, CT?

Optimum currently operates in Stamford.

What is the most popular internet provider in Stamford, CT?

Optimum is currently the most popular internet provider in Stamford based on the number of speed tests in the last 3 months.

What is the fastest internet provider in Stamford, CT?

The fastest internet provider for you is going to differ based on your needs, and which providers actually serve your home. However, when it comes to the real speeds users in Stamford are getting, Optimum provides the fastest download speeds and Optimum provides the fastest upload speeds.

Is there fiber internet in Stamford, CT?

There are no providers currently offering fiber internet in Stamford.