Xfinity internet in Seattle, WA
Xfinity reports service to about 96% of residential locations in Seattle, Washington, which ranks it #1 of 7 providers with meaningful coverage and makes it the provider reaching the most locations. Xfinity is Comcast's cable internet service, one of the largest in the country. It is widely available in cities and suburbs, and often bundles internet with TV and mobile service.
How Xfinity compares in Seattle
| # | Provider | Technology (varies by address) | Locations covered |
|---|---|---|---|
| 1 | Xfinity | Cable | 96% |
| 2 | T-Mobile Home Internet | Fixed wireless | 84% |
| 3 | CenturyLink / Quantum Fiber | Fiber, DSL | 78% |
| 4 | Verizon | Fiber, Fixed wireless | 77% |
| 5 | AT&T | Fiber, DSL, Fixed wireless | 66% |
| 6 | Astound Broadband | Fiber, Cable | 43% |
| 7 | Google Fiber | Fiber | 6% |
Share of residential locations in Seattle where each provider reports service (FCC National Broadband Map, data as of December 31, 2025). See all providers in Seattle.
Xfinity vs other providers
What technologies are available in Seattle?
Fiber is widely available: about 77% of locations in Seattle can get it. Gigabit-class service (1,000 Mbps down) is reported for about 96% of locations. Fixed wireless home internet is reported for about 94% of locations.
FCC National Broadband Map, data as of December 31, 2025: share of residential locations in Seattle that providers report they can serve. City-level figures, not your address.
Xfinity in places near Seattle
- Mercer Island, WA (100%)
- Bainbridge Island, WA (96%)
- White Center, WA (100%)
- Kirkland, WA (99%)
- Bellevue, WA (99%)
- Shoreline, WA (99%)
- Burien, WA (100%)
- Bryn Mawr-Skyway, WA (99%)
Plans and pricing
Plan prices and promotions change often and vary by address, so we do not list them. See Xfinity's current offers at your address with its availability checker.
Frequently asked questions
Is Xfinity available in Seattle?
Xfinity reports service to about 96% of residential locations in Seattle, per FCC data as of December 31, 2025. That ranks it #1 of 7 providers with meaningful coverage here. Availability depends on your exact address.
What type of internet does Xfinity offer in Seattle?
Xfinity offers cable service across its footprint. The FCC summary does not say which technology reaches each address, so check your address with the provider.
Who are the main Xfinity competitors in Seattle?
Other providers reporting at least 10% coverage in Seattle include T-Mobile Home Internet (84%), CenturyLink / Quantum Fiber (78%), Verizon (77%), AT&T (66%).
How do I check Xfinity availability at my address?
Use Xfinity's own address checker, or enter your ZIP code here to compare all providers for your area.
Compare all providers for your ZIP code
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