FCC Broadband Data Collection, Dec 2024 vintage, residential filings — broadbandmap.fcc.gov. Availability is address-specific within each ZIP.
Type your Seattle ZIP code to see who files service there:
Call (833) 390-3014Who provides internet in Seattle
The table covers six of the 21 residential providers on file for Seattle: the technology each one files, how many of the 27 ZIP codes it serves, and its top filed speed.
| Provider | Technology | ZIPs served (of 27) | Top filed speed |
|---|---|---|---|
| Xfinity | Cable + Fiber | 26 | 10 Gbps |
| Quantum Fiber / CenturyLink | Fiber | 25 | 8 Gbps |
| Astound (Wave) | Cable + Fiber | 24 | 2 Gbps |
| Ziply Fiber | Fiber | 4 | 6 Gbps |
| T-Mobile Home Internet | 5G Home | 27 | 100 Mbps |
| Verizon 5G Home | 5G Home | 26 | 1 Gbps |
5G home service is filed in every Seattle ZIP code by T-Mobile Home Internet, and in part of the city by Verizon 5G Home in 26. Satellite (Starlink, Viasat, HughesNet) covers every address, useful when a building falls in a wired-coverage gap.
No wired network reaches every ZIP code in Seattle: Xfinity files in 26 of 27, and Quantum Fiber / CenturyLink in 25. The top speed in the table, 10 Gbps, is Xfinity’s — the same network with the widest wired reach. Fiber isn’t universal here: one ZIP code shows no fiber filing.