Frontier is available in Old Greenwich. Call 833-547-0285 • Sponsored Frontier is available in Old Greenwich. Check plans and availability or call 833-547-0285 • Sponsored
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Old Greenwich has 9 internet options – View all▼
Old Greenwich has multiple fiber providers, including Frontier and Optimum. Symmetric speeds of 8,000 Mbps are available in parts of the city.
| Provider | DownDownload (Mbps) | UpUpload (Mbps) | AvailabilityCoverage |
|---|---|---|---|
| Optimum | 8,000 | 8,000 | 99% |
| Frontier | 7,000 | 7,000 | 99% |
| Verizon | 940 | 880 | 43% |
| Provider | DownDownload (Mbps) | UpUpload (Mbps) | AvailabilityCoverage |
|---|---|---|---|
| Optimum | 940 | 35 | 0.2% |
| Provider | DownDownload (Mbps) | UpUpload (Mbps) | AvailabilityCoverage |
|---|---|---|---|
| Verizon | 300 | 20 | 45% |
| AT&T | 100 | 20 | 99% |
| T-Mobile | 100 | 20 | 95% |
| Provider | DownDownload (Mbps) | UpUpload (Mbps) | AvailabilityCoverage |
|---|---|---|---|
| Starlink | 280 | 30 | 99% |
| Provider | DownDownload (Mbps) | UpUpload (Mbps) | AvailabilityCoverage |
|---|---|---|---|
| HughesNet | 100 | 5 | 99% |
Broadband Map's availability estimates are based on the census boundaries of Old Greenwich. Speed metrics capture internet providers' maximum advertised speeds. Both may be overoptimistic.
Broadband Map's listings of internet providers in Old Greenwich rely primarily on the November 2025 release from the FCC's Broadband Data Collection program (representing Old Greenwich ISPs' availability as of June 2025).