Coverage · ZIP 94027
Internet Providers in Atherton, CA (94027)
There are 14 internet providers available in Atherton, CA (ZIP 94027), including Atherton Fiber, Sonic, AT&T Fiber. 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 Atherton, CA (ZIP 94027)
There are 14 residential internet providers available in Atherton, CA (ZIP 94027), including Atherton Fiber, Sonic, AT&T Fiber. 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 |
|---|---|---|---|---|
| Atherton Fiber | Fiber | 10 Gbps | 10 Gbps | 94% |
| Sonic | Fiber | 10 Gbps | 10 Gbps | 3% |
| AT&T Fiber | Fiber | 5 Gbps | 5 Gbps | 66% |
| Xfinity | Cable | 2 Gbps | 250 Mbps | 93% |
| Astound | Cable | 1.5 Gbps | 50 Mbps | 2% |
| Verizon 5G Home | 5G Home Internet | 300 Mbps | 30 Mbps | 47% |
| AT&T Internet Air | 5G Home Internet | 100 Mbps | 20 Mbps | 84% |
| T-Mobile Home Internet | 5G Home Internet | 100 Mbps | 20 Mbps | 53% |
| Cruzio | Fixed Wireless | 1 Gbps | 250 Mbps | 16% |
| Ridge Wireless | Fixed Wireless | 85 Mbps | 40 Mbps | 8% |
| 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 | 76% |
Internet in Atherton, CA — common questions
How many internet providers are available in Atherton, CA?
There are 14 internet providers available in Atherton, CA (ZIP 94027), including Atherton Fiber, Sonic, AT&T Fiber. Availability varies by exact address.
What is the fastest internet available in 94027?
Atherton Fiber offers the highest advertised download speed in Atherton, 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 Atherton, 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.