FCC coverage data · December 2024 filing
Residential internet in Foster City, CA
San Mateo County · Checking providers reported in ZIP 94404
Internet providers in Foster City, CA (ZIP 94404)
There are 12 residential internet providers filed for Foster City, CA (ZIP 94404), including Xfinity Fiber, AT&T Fiber, Xfinity. Each row shows the technology, the fastest advertised speeds and how much of the ZIP the provider reports covering, from the FCC Broadband Data Collection (December 2024).
| Provider | Technology | Max filed download | Max filed upload | ZIP coverage |
|---|---|---|---|---|
| Xfinity Fiber | Fiber | 10 Gbps | 10 Gbps | 6% |
| AT&T Fiber | Fiber | 5 Gbps | 5 Gbps | 38% |
| Xfinity | Cable | 2 Gbps | 250 Mbps | 79% |
| Verizon 5G Home | 5G Home Internet | 300 Mbps | 30 Mbps | 74% |
| T-Mobile Home Internet | 5G Home Internet | 100 Mbps | 20 Mbps | 76% |
| AT&T Internet Air | 5G Home Internet | 100 Mbps | 20 Mbps | 75% |
| Sail Internet | Fixed Wireless | 200 Mbps | 100 Mbps | 4% |
| Starlink | Satellite | 280 Mbps | 30 Mbps | 100% |
| Viasat | Satellite | 150 Mbps | 3 Mbps | 100% |
| HughesNet | Satellite | 100 Mbps | 5 Mbps | 100% |
| Sail Internet | DSL | 1 Gbps | 1 Gbps | 2% |
| AT&T Internet | DSL | 100 Mbps | 20 Mbps | 50% |
Provider results
* Starting prices and promotions are indicative national offers for select major providers, last reviewed September 2026. Actual pricing varies by address, plan and promotion and changes often; most intro rates require autopay and paperless billing and exclude taxes, fees and equipment. Confirm current pricing directly with the provider before ordering. Coverage: FCC Broadband Data Collection (December 2024). See our Disclaimer.
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