Xfinity is available in SeaTac. Call 833-848-2575 • Sponsored Xfinity is available in SeaTac. Check plans and availability or call 833-848-2575 • Sponsored
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SeaTac has 11 internet options – View all▼
SeaTac has two fiber providers, Quantum Fiber and CenturyLink. Symmetric speeds of 8,000 Mbps are available in parts of the city.
| Provider | DownDownload (Mbps) | UpUpload (Mbps) | AvailabilityCoverage |
|---|---|---|---|
| Quantum Fiber | 8,000 | 8,000 | 93% |
| CenturyLink | 1,000 | 1,000 | 81% |
| Provider | DownDownload (Mbps) | UpUpload (Mbps) | AvailabilityCoverage |
|---|---|---|---|
| Xfinity | 2,000 | 2,000 | 100% |
| Provider | DownDownload (Mbps) | UpUpload (Mbps) | AvailabilityCoverage |
|---|---|---|---|
| CenturyLink | 140 | 20 | 16% |
| Provider | DownDownload (Mbps) | UpUpload (Mbps) | AvailabilityCoverage |
|---|---|---|---|
| Verizon | 1,000 | 75 | 94% |
| MINTernet | 100 | 20 | 99% |
| T-Mobile | 100 | 20 | 99% |
| AT&T | 100 | 20 | 99% |
| Provider | DownDownload (Mbps) | UpUpload (Mbps) | AvailabilityCoverage |
|---|---|---|---|
| Starlink | 280 | 30 | 100% |
| Provider | DownDownload (Mbps) | UpUpload (Mbps) | AvailabilityCoverage |
|---|---|---|---|
| HughesNet | 50 | 5 | 100% |
| Viasat | 50 | 3 | 100% |
Broadband Map's availability estimates are based on the census boundaries of SeaTac. Speed metrics capture internet providers' maximum advertised speeds. Both may be overoptimistic.
Broadband Map's listings of internet providers in SeaTac rely primarily on the November 2025 release from the FCC's Broadband Data Collection program (representing SeaTac ISPs' availability as of June 2025).