AT&T Fiber is available in Alton. Call 833‑607‑2973 • Sponsored AT&T Fiber is available in Alton. Get speeds up to 5 Gig. Check availability ↗ or call 833‑607‑2973 • Sponsored
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Alton has 15 internet options – View all▼
Alton has multiple fiber providers, including AT&T and Spectrum. Symmetric speeds of 8,000 Mbps are available in parts of Alton.
| Provider | DownDownload (Mbps) | UpUpload (Mbps) | AvailabilityCoverage |
|---|---|---|---|
| i3 | 8,000 | 8,000 | 19% |
| ClearWave | 7,000 | 7,000 | 20% |
| AT&T | 5,000 | 5,000 | 83% |
| Spectrum | 1,000 | 1,000 | 32% |
| Provider | DownDownload (Mbps) | UpUpload (Mbps) | AvailabilityCoverage |
|---|---|---|---|
| Spectrum | 1,000 | 1,000 | 99% |
| Provider | DownDownload (Mbps) | UpUpload (Mbps) | AvailabilityCoverage |
|---|---|---|---|
| AT&T | 100 | 20 | 99% |
| Brightspeed | 40 | 3 | 1% |
| Provider | DownDownload (Mbps) | UpUpload (Mbps) | AvailabilityCoverage |
|---|---|---|---|
| Wisper ISP | 400 | 30 | 89% |
| Verizon | 300 | 20 | 97% |
| T-Mobile | 100 | 20 | 99% |
| MINTernet | 100 | 20 | 79% |
| AT&T | 100 | 20 | 63% |
| Provider | DownDownload (Mbps) | UpUpload (Mbps) | AvailabilityCoverage |
|---|---|---|---|
| Starlink | 280 | 30 | 100% |
| Provider | DownDownload (Mbps) | UpUpload (Mbps) | AvailabilityCoverage |
|---|---|---|---|
| Viasat | 150 | 3 | 100% |
| HughesNet | 100 | 5 | 100% |
Broadband Map's availability estimates are based on the census boundaries of Alton. Speed metrics capture internet providers' maximum advertised speeds. Both may be overoptimistic.
Broadband Map's listings of internet providers in Alton rely primarily on the May 2026 release from the FCC's Broadband Data Collection program (representing Alton ISPs' availability as of December 2025).