Internet providers in Seattle, WA
UPDATED JULY 2026 · BUILT FROM FCC BROADBAND DATA
“All your real options, no promo maze — five minutes by phone.”FCC filings show 8 internet providers serving Seattle, Washington across 38 zip codes, with advertised speeds up to 8 Gbps. More providers means better deals — if you know the full lineup at your address.
On the fiber side, Quantum Fiber covers the most ground here — 37 Seattle zips, with CenturyLink close behind. On cable, Xfinity has the broadest reach. 5G home internet is led locally by T-Mobile. Competition between AT&T, Verizon and Xfinity keeps Seattle pricing honest — if your bill crept up, that overlap is your way out.
The search below shows your zip's lineup instantly — and (855) 240-4535 gets you a human who confirms your exact address and handles the order.
Top fiber providers in Seattle
| Provider | Seattle coverage |
|---|---|
| Quantum Fiber | 37 zips |
| CenturyLink | 37 zips |
| Xfinity | 30 zips |
| Astound Broadband | 28 zips |
| Ziply Fiber | 4 zips |
Top cable providers in Seattle
| Provider | Seattle coverage |
|---|---|
| Xfinity | 38 zips |
| Astound Broadband | 29 zips |
5G home internet in Seattle
| Provider | Seattle coverage |
|---|---|
| T-Mobile | 38 zips |
| Verizon | 38 zips |
| AT&T | 37 zips |
Seattle zip codes covered
Tap a zip for its full provider list:
9810198102981039810498105981069810798108981099811298115981169811798118981199812198122981259812698133981349813698144981469814898154981559815898164981669816898174981779817898188981959819898199
If your street comes up short
Beyond the wired networks, satellite (Starlink, Viasat, Hughesnet) reaches virtually every Seattle address — usually the fallback, occasionally the right answer; we'll tell you which honestly.
Seattle internet FAQ
Who is the largest internet provider in Seattle, WA?
By zip-level FCC coverage, Xfinity reports the widest service across Seattle's 38 zip codes. Individual streets differ, though — the fastest way to your real list is an address check by phone at (855) 240-4535.
Does Seattle have fiber internet?
Yes — 5 fiber networks report Seattle coverage, led by Quantum Fiber, with advertised speeds up to 8 Gbps.
Is 5G home internet available in Seattle?
Yes — T-Mobile leads 5G home internet coverage in Seattle. You plug the gateway in yourself and skip the contract in most cases — availability depends on local tower capacity.
Which Seattle zip codes does this page cover?
FCC-reported provider data for 38 Seattle zip codes: 98101, 98102, 98103, 98104, 98105, 98106, 98107, 98108, 98109, 98112, 98115, 98116…. Select any zip above for the complete provider list, or skip to a live address check: (855) 240-4535.
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