Internet providers in SeaTac, WA
SeaTac is a city in Washington with about 31,143 residents and roughly 12,203 residential locations that internet providers can report on. The table below compares the providers that report service here.
Compare internet providers in SeaTac, WA
Share of residential locations in SeaTac where each provider reports service, from the FCC National Broadband Map (data as of December 31, 2025). Availability depends on your exact address.
| # | Provider | Technology (varies by address) | Locations covered | |
|---|---|---|---|---|
| 1 | Xfinity | Cable | 99%+ | |
| 2 | T-Mobile Home Internet | Fixed wireless | 80% | |
| 3 | CenturyLink / Quantum Fiber | Fiber, DSL | 70% | |
| 4 | Verizon | Fiber, Fixed wireless | 65% | Check availability |
| 5 | AT&T | Fiber, DSL, Fixed wireless | 56% | Check availability |
Satellite internet
| 1 | HughesNet | Satellite | 99%+ | |
| 2 | Viasat | Satellite | 99%+ | |
| 3 | Starlink | Satellite | 99%+ |
Satellite service is available at nearly every address but typically has higher latency than wired options.
Provider-reported coverage does not guarantee service or speeds at a specific address. Some "Check availability" links are affiliate links; we may earn a commission at no cost to you. How we make money.
What to know about internet in SeaTac
Xfinity reports service to the most residential locations in SeaTac, about 100%. 5 providers report coverage of at least half of locations (Xfinity, T-Mobile Home Internet, CenturyLink / Quantum Fiber, Verizon, and AT&T), so the market looks competitive. T-Mobile Home Internet offers fixed wireless home internet, an option if you prefer no cable or fiber installation.
What technologies are available in SeaTac?
Fiber reaches about 35% of locations in SeaTac, so it is available in parts of the area but not everywhere. Gigabit-class service (1,000 Mbps down) is reported for about 61% 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 84% of locations.
FCC National Broadband Map, data as of December 31, 2025: share of residential locations in SeaTac that providers report they can serve. City-level figures, not your address.
SeaTac at a glance
About 92% of households in SeaTac have a broadband subscription, 1 points below the Washington average of 93%.
Source: U.S. Census Bureau, American Community Survey 5-year estimates (2023).
Internet providers in places near SeaTac
- Tukwila, WA (3 mi)
- Burien, WA (3 mi)
- Des Moines, WA (4 mi)
- Bryn Mawr-Skyway, WA (4 mi)
- White Center, WA (5 mi)
- Renton, WA (5 mi)
- Kent, WA (6 mi)
- Fairwood, WA (7 mi)
- Vashon, WA (8 mi)
- Newcastle, WA (9 mi)
- Mercer Island, WA (9 mi)
- Federal Way, WA (9 mi)
- Auburn, WA (10 mi)
- Covington, WA (11 mi)
- Seattle, WA (12 mi)
- Bellevue, WA (13 mi)
- Maple Valley, WA (13 mi)
- Issaquah, WA (14 mi)
- Edgewood, WA (15 mi)
- Fife, WA (15 mi)
Frequently asked questions
Is fiber internet available in SeaTac?
Yes, in part. About 35% of residential locations in SeaTac can get fiber, 98% can get cable, and about 61% can get gigabit-class speeds, per FCC data. Availability depends on your exact address.
Which internet provider has the widest coverage in SeaTac?
Xfinity reports service to about 100% of residential locations in SeaTac, the most of any provider, per FCC data. Availability still depends on your address.
How many internet providers serve SeaTac?
5 providers report service to at least 2% of locations in SeaTac, and 5 cover at least half. Satellite (HughesNet, Viasat, Starlink) is also available nearly everywhere.
What is the difference between fiber, cable and DSL?
Fiber offers the fastest and most consistent speeds, cable is widely available with high download speeds, and DSL runs over phone lines and is usually slower. See our guide for details.
What internet speed do I need in SeaTac?
Most households are well served by 100–300 Mbps. Heavy streaming, gaming or many connected devices may benefit from 500 Mbps or more.
Check your exact address
Coverage for a whole community cannot tell you what is available at your door. Enter your ZIP code, then confirm with each provider.
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