Frontier Fiber is available in Danbury. • Sponsored Frontier Fiber is available in Danbury. Check plans and availability • Sponsored
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Danbury has 14 internet options – View all▼
Danbury has two fiber providers, Frontier and NetSpeed. Symmetric speeds of 7,000 Mbps are available in parts of the city.
| Provider | DownDownload (Mbps) | UpUpload (Mbps) | AvailabilityCoverage |
|---|---|---|---|
| Frontier | 7,000 | 7,000 | 99% |
| NetSpeed | 1,000 | 1,000 | 77% |
| Provider | DownDownload (Mbps) | UpUpload (Mbps) | AvailabilityCoverage |
|---|---|---|---|
| Xfinity | 2,000 | 250 | 99% |
| Provider | DownDownload (Mbps) | UpUpload (Mbps) | AvailabilityCoverage |
|---|---|---|---|
| Verizon | 300 | 20 | 77% |
| T-Mobile | 100 | 20 | 99% |
| AT&T | 100 | 20 | 98% |
| Provider | DownDownload (Mbps) | UpUpload (Mbps) | AvailabilityCoverage |
|---|---|---|---|
| Starlink | 280 | 30 | 99% |
| Provider | DownDownload (Mbps) | UpUpload (Mbps) | AvailabilityCoverage |
|---|---|---|---|
| HughesNet | 100 | 5 | 99% |
| Viasat | 50 | 3 | 99% |
| Provider | TechnologyTech | Download (Mbps) | Upload (Mbps) | AvailabilityCoverage |
|---|---|---|---|---|
| Optimum | Fiber | 8,000 | 8,000 | <0.1% |
| Verizon | Fiber | 940 | 880 | 0.2% |
| Spectrum | Cable | 1,000 | 35 | 4% |
| Optimum | Cable | 940 | 35 | 0.3% |
| Frontier | DSL/CopperDSL | 90 | 5 | 0.3% |
Broadband Map's availability estimates are based on the census boundaries of Danbury. Speed metrics capture internet providers' maximum advertised speeds. Both may be overoptimistic.
Broadband Map's listings of internet providers in Danbury rely primarily on the November 2025 release from the FCC's Broadband Data Collection program (representing Danbury ISPs' availability as of June 2025).