Coverage · ZIP 94089
Internet Providers in Sunnyvale, CA (94089)
There are 14 internet providers available in Sunnyvale, CA (ZIP 94089), including AT&T Fiber, Xfinity Fiber, Sail Internet. 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 Sunnyvale, CA (ZIP 94089)
There are 14 residential internet providers available in Sunnyvale, CA (ZIP 94089), including AT&T Fiber, Xfinity Fiber, Sail Internet. 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 |
|---|---|---|---|---|
| AT&T Fiber | Fiber | 5 Gbps | 5 Gbps | 19% |
| Xfinity Fiber | Fiber | 5 Gbps | 5 Gbps | 3% |
| Sail Internet | Fiber | 1 Gbps | 1 Gbps | 3% |
| Xfinity | Cable | 2 Gbps | 250 Mbps | 71% |
| Verizon 5G Home | 5G Home Internet | 1 Gbps | 75 Mbps | 71% |
| T-Mobile Home Internet | 5G Home Internet | 100 Mbps | 20 Mbps | 75% |
| AT&T Internet Air | 5G Home Internet | 100 Mbps | 20 Mbps | 53% |
| Sail Internet | Fixed Wireless | 1 Gbps | 200 Mbps | 24% |
| Tekify Fiber & Wireless | Fixed Wireless | 300 Mbps | 70 Mbps | 76% |
| Ridge Wireless | Fixed Wireless | 85 Mbps | 40 Mbps | 68% |
| Starlink | Satellite | 280 Mbps | 30 Mbps | 100% |
| Viasat | Satellite | 150 Mbps | 3 Mbps | 100% |
| HughesNet | Satellite | 100 Mbps | 5 Mbps | 100% |
| AT&T Internet | DSL | 100 Mbps | 20 Mbps | 32% |
Internet in Sunnyvale, CA — common questions
How many internet providers are available in Sunnyvale, CA?
There are 14 internet providers available in Sunnyvale, CA (ZIP 94089), including AT&T Fiber, Xfinity Fiber, Sail Internet. Availability varies by exact address.
What is the fastest internet available in 94089?
AT&T Fiber offers the highest advertised download speed in Sunnyvale, CA at up to 5 Gbps. Actual speeds depend on the plan and your address.
How do I check internet availability at my address in Sunnyvale, 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.