Stamford, CT · population 139,134 · FCC data as of December 31, 2025
Internet providers in Stamford, CT
Coverage in Stamford
- Homes in Stamford that can get 100/20 Mbps or faster over wired service
- 93.3%
- Homes in Stamford that can get fiber
- 83.2%
- Homes in Stamford that can get 1,000/100 Mbps or faster
- 83.2%
- Homes in Stamford that can get cable
- 92.9%
- Homes in Stamford that can get 100/20 Mbps or faster, counting fixed wireless
- 94.5%
By technology and speed
Share of homes in Stamford that can get each technology at each speed tier from at least one provider.
| Technology | Any speed | 25/3 Mbps+ | 100/20 Mbps+ | 1,000/100 Mbps+ |
|---|---|---|---|---|
| Fiber | 83.2% | 83.2% | 83.2% | 83.2% |
| Cable | 92.9% | 92.9% | 92.9% | 0% |
| DSL (copper) | 21.7% | 5.7% | 0.1% | 0.1% |
| Fixed wireless | 81.3% | 69.7% | 46.9% | 0% |
| Satellite | 100% | 100% | 100% | 0% |
| Any technology | 100% | 100% | 100% | 83.2% |
Best for, by rule
Each pick is computed from the data with the rule shown on the card. No provider pays for placement.
Fastest fiber
Fiber, up to 8,000 Mbps down, 8,000 Mbps up
Rule: Highest advertised fiber download among providers whose fiber reaches at least 20% of the area.
Widest coverage
Cable, up to 8,000 Mbps down, 8,000 Mbps up, 92.9% of homes
Rule: Largest share of homes covered, satellite excluded.
Fixed wireless option
Fixed wireless, up to 100 Mbps down, 20 Mbps up, 68% of homes
Rule: Provider whose main technology here is fixed wireless, covering the largest share of homes.
5 wired and fixed wireless providers in Stamford
Grouped by each provider's main technology here (the one reaching most of its service area), then ranked by share covered, with speeds for the fastest tier.
Mainly fiber (1)
Glass fiber to the location.
| Provider | Technologies here | Max download | Max upload | Homes covered |
|---|---|---|---|---|
| Frontier | Fiber, DSL (copper) | 7,000 Mbps (fiber) | 7,000 Mbps (fiber) | 59.8% |
Mainly cable (1)
Coaxial cable network.
| Provider | Technologies here | Max download | Max upload | Homes covered |
|---|---|---|---|---|
| Optimum | Fiber, Cable | 8,000 Mbps (fiber) | 8,000 Mbps (fiber) | 92.9% |
Mainly fixed wireless (3)
Radio link to an antenna at the location, including licensed 5G and LTE home internet.
| Provider | Technologies here | Max download | Max upload | Share covered |
|---|---|---|---|---|
| T-Mobile Home Internet | Fixed wireless | 100 Mbps | 20 Mbps | 68% of homes |
| Verizon 5G Home Internet | Fixed wireless | 300 Mbps | 20 Mbps | 45.1% of served locations* |
| AT&T Internet | Fixed wireless | 100 Mbps | 20 Mbps | 41.4% of homes |
* Some carriers sell a different brand for each technology. Each brand has its own row, and its number is a share of the locations (buildings) the brand serves, not a share of homes. Rows are ordered by their number, but the two kinds of share are not directly comparable.
Satellite (3)
Satellite providers report service to nearly every home, so they are listed separately and left out of the ranking and the picks above.
Check your address
Coverage varies street by street. See exactly what is offered at your address in Stamford.
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Internet outage in Stamford?
We do not track outages. If your service is down in Stamford, the provider's own status page or support line is the fastest place to confirm it.
For other providers, contact the provider directly.
To report a service problem the provider has not fixed, you can file a complaint with the FCC at consumercomplaints.fcc.gov.
More cities in Connecticut
Questions about internet in Stamford, CT
What internet providers serve Stamford, CT?
FCC Broadband Data Collection data as of December 31, 2025 lists 5 wired or fixed wireless home internet providers in Stamford, CT. By share of homes covered: Optimum (92.9%), T-Mobile Home Internet (68%), Frontier (59.8%) and AT&T Internet (41.4%). Listed by share of the locations each brand serves: Verizon 5G Home Internet (45.1%). Satellite service from HughesNet, Starlink and Viasat is also reported.
Is fiber internet available in Stamford, CT?
Yes. 83.2% of homes in Stamford, CT can get fiber from at least one provider, according to FCC Broadband Data Collection data as of December 31, 2025. Providers reporting fiber here: Optimum and Frontier.
What is the fastest internet speed available in Stamford, CT?
The highest advertised download speed is 8,000 Mbps (8,000 Mbps upload), from Optimum over fiber. Advertised maximums are not guaranteed speeds, and not every address can get them.
Can I get gigabit internet in Stamford, CT?
83.2% of homes in Stamford, CT can get at least 1,000 Mbps download and 100 Mbps upload from at least one provider, according to FCC Broadband Data Collection data as of December 31, 2025.
How much of Stamford, CT can get 100 Mbps internet?
93.3% of homes in Stamford, CT can get at least 100 Mbps download and 20 Mbps upload over wired service (fiber, cable or DSL), and 94.5% when fixed wireless is included, according to FCC Broadband Data Collection data as of December 31, 2025.
Which internet provider covers the most of Stamford, CT?
Leaving out satellite, Optimum covers the largest share: 92.9% of homes.
Is satellite internet available in Stamford, CT?
Yes. HughesNet (100%), Starlink (100%) and Viasat (>99.9%) report satellite service to homes in Stamford, CT.
Source: FCC National Broadband Map, Broadband Data Collection, availability as of December 31, 2025 (published September 29, 2026). Providers report where they offer service; a listed provider may not serve every address. Advertised speeds are not measured speeds. Check a specific address on the address check page. How we build these pages.