FCC Broadband Data Collection, Dec 2024 vintage, residential filings — broadbandmap.fcc.gov. Availability is address-specific within each ZIP.
Enter your Stamford ZIP code to see every provider at your address:
Call (833) 390-3014Top internet providers in Stamford
Ranked by how many of the five ZIP codes each one serves, these are the top six wired, 5G and fixed-wireless networks among the 14 providers filed for Stamford.
| Provider | Technology | ZIPs served (of 5) | Top filed speed |
|---|---|---|---|
| Optimum | Cable + Fiber | 5 | 8 Gbps |
| Frontier Fiber | Fiber | 5 | 7 Gbps |
| Verizon 5G Home | 5G Home | 5 | 300 Mbps |
| AT&T Internet Air | 5G Home | 5 | 100 Mbps |
| T-Mobile Home Internet | 5G Home | 5 | 100 Mbps |
| Xfinity | Cable | 1 | 2 Gbps |
A building that no wired network reaches still has options on paper: Verizon 5G Home, AT&T Internet Air, and T-Mobile Home Internet for 5G home, filed in each of the five ZIP codes, at filed speeds from 100 Mbps (AT&T Internet Air) to 300 Mbps (Verizon 5G Home), and satellite (Starlink, Viasat, HughesNet) at any address.
Every Stamford ZIP code has Optimum and Frontier Fiber on file, so the wired choice never narrows to one network at the ZIP level. Optimum carries the table’s top speed, 8 Gbps, and no wired network reaches more Stamford ZIP codes. Multi-gig service (2 Gbps and up) is on file from Optimum (8 Gbps), Frontier Fiber (7 Gbps), and Xfinity (2 Gbps).