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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% |
* Starting prices and promotions shown are indicative national offers for select major providers, as of May 2026. Actual pricing varies by address, plan, and promotion, and changes frequently — most intro rates require AutoPay/paperless and exclude taxes & fees. Confirm current pricing and offers directly with the provider before ordering. See our Disclaimer.
Coverage data sourced live from our national broadband dataset (Dec 2024). Try a popular ZIP:
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