Spectrum is available in O'Fallon. Call 833-399-2784 • Sponsored Spectrum is available in O'Fallon. Check plans and availability or call 833-399-2784 • Sponsored
Filter by address or explore the map
O'Fallon has 13 internet options – View all▼
O'Fallon has multiple fiber providers, including i3 and AT&T. Symmetric speeds of 8,000 Mbps are available in parts of the city.
| Provider | DownDownload (Mbps) | UpUpload (Mbps) | AvailabilityCoverage |
|---|---|---|---|
| i3 | 8,000 | 8,000 | 35% |
| AT&T | 5,000 | 5,000 | 27% |
| Spectrum | 1,000 | 1,000 | 2% |
| Provider | DownDownload (Mbps) | UpUpload (Mbps) | AvailabilityCoverage |
|---|---|---|---|
| Spectrum | 1,000 | 1,000 | 98% |
| Provider | DownDownload (Mbps) | UpUpload (Mbps) | AvailabilityCoverage |
|---|---|---|---|
| AT&T | 100 | 20 | 62% |
| Provider | DownDownload (Mbps) | UpUpload (Mbps) | AvailabilityCoverage |
|---|---|---|---|
| Verizon | 300 | 20 | 93% |
| MINTernet | 100 | 20 | 99% |
| T-Mobile | 100 | 20 | 99% |
| Wisper ISP | 100 | 20 | 99% |
| AT&T | 100 | 20 | 11% |
| Provider | DownDownload (Mbps) | UpUpload (Mbps) | AvailabilityCoverage |
|---|---|---|---|
| Starlink | 280 | 30 | 100% |
| Provider | DownDownload (Mbps) | UpUpload (Mbps) | AvailabilityCoverage |
|---|---|---|---|
| HughesNet | 100 | 5 | 100% |
| Viasat | 100 | 3 | 100% |
Broadband Map's availability estimates are based on the census boundaries of O'Fallon. Speed metrics capture internet providers' maximum advertised speeds. Both may be overoptimistic.
Broadband Map's listings of internet providers in O'Fallon rely primarily on the November 2025 release from the FCC's Broadband Data Collection program (representing O'Fallon ISPs' availability as of June 2025).