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 45,472 recent tests, our research shows that Optimum customers have been getting 215 Mbps for download speeds and 34 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 March 1, 2024
ProviderDownload SpeedUpload SpeedLatency
View Details →
215 Mbps34 Mbps7 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 215 Mbps for download speeds and 34 Mbps for upload speeds over 45,472 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. 31% of users saw download speeds between 100-250 Mbps, and 42% of users saw upload speeds between 25-50 Mbps.

Download Speeds

Upload Speeds

Recent Optimum Speed Tests in Stamford

DateDownload SpeedUpload SpeedLatency
February 29, 2024217 Mbps36 Mbps9 ms
February 29, 2024252 Mbps20 Mbps8 ms
February 29, 202498 Mbps19 Mbps12 ms
February 29, 202492 Mbps51 Mbps5 ms
February 29, 202410 Mbps10 Mbps7 ms
February 29, 2024607 Mbps548 Mbps5 ms
February 29, 2024317 Mbps146 Mbps6 ms
February 29, 2024155 Mbps10 Mbps11 ms
February 29, 202429 Mbps1 Mbps11 ms
February 29, 2024322 Mbps19 Mbps7 ms

Test Your Internet Speed

Latency ms

We’ll run a download test and an upload test to give you the full picture of your internet connection.

Nearby Cities

Popular Cities in Connecticut

Featured Cities

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.