Coverage · ZIP 94404
Internet Providers in Foster City, CA (94404)
There are 12 internet providers available in Foster City, CA (ZIP 94404), including Xfinity Fiber, AT&T Fiber, Xfinity. Compare each provider below by technology, maximum advertised speed, and area coverage, then call (833) 261-0564 for help choosing a plan. Coverage data is sourced from the FCC National Broadband Map.
Internet providers in Foster City, CA (ZIP 94404)
There are 12 residential internet providers available in Foster City, CA (ZIP 94404), including Xfinity Fiber, AT&T Fiber, Xfinity. The table below lists each provider with its technology type, maximum advertised speeds, and area coverage, sourced from the FCC National Broadband Map.
| Provider | Technology | Max download | Max upload | Area 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% |
Internet in Foster City, CA — common questions
How many internet providers are available in Foster City, CA?
There are 12 internet providers available in Foster City, CA (ZIP 94404), including Xfinity Fiber, AT&T Fiber, Xfinity. Availability varies by exact address.
What is the fastest internet available in 94404?
Xfinity Fiber offers the highest advertised download speed in Foster City, CA at up to 10 Gbps. Actual speeds depend on the plan and your address.
How do I check internet availability at my address in Foster City, CA?
Enter your ZIP code on Ziatan to see every provider serving your block, then call (833) 261-0564 for help comparing plans and pricing — free, with no signup required.