Frontier is available in Portsmouth. Call 833‑547‑0285 • Sponsored Frontier is available in Portsmouth. Check plans and availability ↗ or call 833‑547‑0285 • Sponsored
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Portsmouth has 12 internet options – View all▼
Portsmouth has one fiber provider, Frontier, and one cable provider, Spectrum. Symmetric speeds of 7,000 Mbps are available in parts of the city.
| Provider | DownDownload (Mbps) | UpUpload (Mbps) | AvailabilityCoverage |
|---|---|---|---|
| Frontier | 7,000 | 7,000 | 82% |
| Provider | DownDownload (Mbps) | UpUpload (Mbps) | AvailabilityCoverage |
|---|---|---|---|
| Spectrum | 1,000 | 35 | 100% |
| Provider | DownDownload (Mbps) | UpUpload (Mbps) | AvailabilityCoverage |
|---|---|---|---|
| Frontier | 115 | 7 | 18% |
| Provider | DownDownload (Mbps) | UpUpload (Mbps) | AvailabilityCoverage |
|---|---|---|---|
| Verizon | 300 | 20 | 91% |
| MINTernet | 100 | 20 | 100% |
| T-Mobile | 100 | 20 | 100% |
| AT&T | 100 | 20 | 97% |
| Ohio Transparent Telecom | 100 | 20 | 25% |
| Riverside | 50 | 10 | 86% |
| Provider | DownDownload (Mbps) | UpUpload (Mbps) | AvailabilityCoverage |
|---|---|---|---|
| Starlink | 280 | 30 | 100% |
| Provider | DownDownload (Mbps) | UpUpload (Mbps) | AvailabilityCoverage |
|---|---|---|---|
| Viasat | 100 | 3 | 100% |
| HughesNet | 50 | 5 | 100% |
Broadband Map's availability estimates are based on the census boundaries of Portsmouth. Speed metrics capture internet providers' maximum advertised speeds. Both may be overoptimistic.
Broadband Map's listings of internet providers in Portsmouth rely primarily on the November 2025 release from the FCC's Broadband Data Collection program (representing Portsmouth ISPs' availability as of June 2025).