FCC coverage data · December 2024 filing
Residential internet in San Ramon, CA
Contra Costa County · Checking providers filed for ZIP 94583
Every filing for San Ramon, CA (ZIP 94583)
11 residential internet providers filed service in San Ramon, CA (ZIP 94583) with the FCC (December 2024). Unwired reaches the most of the ZIP, about 91%. The fastest filing is Xfinity Fiber at up to 10 Gbps, covering 7%. The table lists every filing with its technology, top speeds and share of the ZIP.
| Provider | Technology | Fastest down | Fastest up | Share of ZIP |
|---|---|---|---|---|
| Xfinity Fiber | Fiber | 10 Gbps | 10 Gbps | 7% |
| AT&T Fiber | Fiber | 5 Gbps | 5 Gbps | 14% |
| Xfinity | Cable | 2 Gbps | 2 Gbps | 88% |
| Verizon 5G Home | 5G Home Internet | 1 Gbps | 75 Mbps | 78% |
| Unwired | 5G Home Internet | 300 Mbps | 25 Mbps | 91% |
| AT&T Internet Air | 5G Home Internet | 100 Mbps | 20 Mbps | 81% |
| T-Mobile Home Internet | 5G Home Internet | 100 Mbps | 20 Mbps | 78% |
| 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 | 78% |
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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