Internet Providers in Stamford, Connecticut
12 providers report residential internet coverage in Fairfield County (the Stamford area). Fiber reaches 94% of census blocks. Coverage below is county-level from federal filings updated — your exact address may differ, so use the address checker.
| Provider | Types | Top speed | Area coverage | |
|---|---|---|---|---|
| Frontier | DSL, Fiber | 7 Gbps | 88% of blocks | Visit site |
| Verizon | Fiber, Fixed Wireless | 2.3 Gbps | 72% of blocks | Visit site |
| Optimum | Cable, Fiber | 8 Gbps | 66% of blocks | Visit site |
| AT&T | Fixed Wireless | 100 Mbps | 66% of blocks | Visit site |
| T-Mobile | Fixed Wireless | 100 Mbps | 55% of blocks | Visit site |
| Xfinity | Cable, Fiber | 2 Gbps | 41% of blocks | Visit site |
| GoNetspeed | Fiber | 2 Gbps | 22% of blocks | |
| Spectrum | Cable, Fiber | 1 Gbps | 17% of blocks | Visit site |
| Metronet Holdings | Fiber | 5.1 Gbps | 1% of blocks | |
| Andrena | DSL | 1 Gbps | 1% of blocks | |
| Cox Communications | Cable | 1 Gbps | 1% of blocks | |
| BDC-FIXED BB AVAIL | Fiber | 1 Gbps | 1% of blocks |
Frequently asked questions
What's the fastest internet in Stamford?
Optimum reports the highest maximum download speed in Fairfield County at 8 Gbps. Actual availability varies block by block — check your address above.
Is fiber available in Stamford?
Fiber reaches about 94% of census blocks in Fairfield County. The largest fiber footprints belong to Frontier, Verizon, Optimum. Fiber build-out is street-by-street, so neighboring addresses can differ.
How do I find what's actually at MY address?
Use the address checker on our homepage — it matches your address against the federal coverage database and lists every provider reporting service at your census block, free and without giving anyone your phone number.