Coverage · Connecticut
Internet providers in Stamford, CT
14 residential internet providers filed service in Stamford, CT, including Optimum Fiber, Frontier Fiber, Optimum. Below: who covers the most ZIP codes, how far fiber reaches, and the fastest speeds on file. Your street is the final word, so search your ZIP or call (877) 543-8021.
In this city
A city total is a starting point, not an answer.
Fiber tends to arrive a neighborhood at a time, and cable follows the boundaries it was first built to. The figures here describe the city; the ZIP search and a call describe your street.
Top internet providers in Stamford
| Provider | Technology | ZIPs served (of 5) | Top filed speed |
|---|---|---|---|
| Optimum Fiber | Fiber | 5 | 8 Gbps |
| Frontier Fiber | Fiber | 5 | 7 Gbps |
| Optimum | Cable | 5 | 940 Mbps |
| Verizon 5G Home | 5G Home Internet | 5 | 300 Mbps |
| AT&T Internet Air | 5G Home Internet | 5 | 100 Mbps |
| T-Mobile Home Internet | 5G Home Internet | 5 | 100 Mbps |
| Xfinity | Cable | 1 | 2 Gbps |
| Andrena | Fixed Wireless | 1 | 1 Gbps |
Satellite internet (Starlink, Viasat, HughesNet) is sold across Stamford, but every install has to qualify on site — a clear view of the sky and somewhere to mount the dish. Coverage data: FCC Broadband Data Collection (December 2024). Availability is address-specific within each ZIP.
Browse Stamford by ZIP code
Internet in Stamford, CT — common questions
How many internet providers does Stamford, CT have?
14 providers have residential service on file in Stamford, CT; Optimum Fiber is filed in the most of its ZIP codes. Each one covers some streets and not others, so search your own ZIP to see who reaches you.
Can I get fiber in Stamford?
Fiber is on file in 5 of the city’s 5 ZIP codes, at up to 8 Gbps. Fiber is often built street by street, so a ZIP with fiber on file may still not have it at your address.
What is the best way to choose internet in Stamford, CT?
Start with your ZIP: every provider filed there, its technology, top speed and share of the ZIP. Then call (877) 543-8021 to check your street address and, for providers we sell, order. It costs nothing.