Xfinity internet in Sammamish, WA
Xfinity reports service to about 97% of residential locations in Sammamish, 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 Sammamish
| # | Provider | Technology (varies by address) | Locations covered |
|---|---|---|---|
| 1 | Xfinity | Cable | 97% |
| 2 | T-Mobile Home Internet | Fixed wireless | 74% |
| 3 | Verizon | Fiber, Fixed wireless | 55% |
| 4 | AT&T | Fiber, DSL, Fixed wireless | 50% |
| 5 | CenturyLink / Quantum Fiber | Fiber, DSL | 36% |
| 6 | Astound Broadband | Fiber, Cable | 10% |
| 7 | Ziply Fiber | Fiber, Fixed wireless | 7% |
Share of residential locations in Sammamish where each provider reports service (FCC National Broadband Map, data as of December 31, 2025). See all providers in Sammamish.
Xfinity vs other providers
What technologies are available in Sammamish?
Fiber is limited in Sammamish, reaching about 10% of locations. Gigabit-class service (1,000 Mbps down) is reported for about 83% of locations. DSL is still reported for about 35% of locations, which can be a fallback where fiber and cable do not reach. Fixed wireless home internet is reported for about 85% of locations.
FCC National Broadband Map, data as of December 31, 2025: share of residential locations in Sammamish that providers report they can serve. City-level figures, not your address.
Xfinity in places near Sammamish
- Issaquah, WA (95%)
- Bellevue, WA (99%)
- Union Hill-Novelty Hill, WA (84%)
- Redmond, WA (98%)
- Newcastle, WA (100%)
- Snoqualmie, WA (100%)
- Mercer Island, WA (100%)
- Kirkland, 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 Sammamish?
Xfinity reports service to about 97% of residential locations in Sammamish, 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 Sammamish?
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 Sammamish?
Other providers reporting at least 10% coverage in Sammamish include T-Mobile Home Internet (74%), Verizon (55%), AT&T (50%), CenturyLink / Quantum Fiber (36%).
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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