FCC data as of December 31, 2025
Sonic: internet coverage by city
Sonic appears in 6 cities and 1 state in our data. Its FCC filing company, Sonic Telecom, LLC, reports service in 1 state or territory nationwide.
Technologies and speeds
In our cities, Sonic reports fiber service.
Highest advertised download in our cities: 10,000 Mbps (10,000 Mbps upload) over fiber, in Oakland, CA.
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Sonic by city
Where the provider reports service in each city, with the share it covers.
| Place | Technologies | Max download | Share covered |
|---|---|---|---|
| Oakland, CA | Fiber | 10,000 Mbps | 61.2% of homes |
| San Francisco, CA | Fiber | 10,000 Mbps | 31.8% of homes |
| Hayward, CA | Fiber | 10,000 Mbps | 22.4% of homes |
| Santa Rosa, CA | Fiber | 10,000 Mbps | 22% of homes |
| San Jose, CA | Fiber | 10,000 Mbps | 8.5% of homes |
| Torrance, CA | Fiber | 10,000 Mbps | 7.9% of homes |
Sonic by state
Where the provider reports service in each state, with the share it covers.
| Place | Share covered |
|---|---|
| California | 4.3% of homes |
Source: FCC National Broadband Map, Broadband Data Collection, availability as of December 31, 2025 (published September 29, 2026). Providers report where they offer service; a listed provider may not serve every address. Advertised speeds are not measured speeds. Check a specific address on the address check page. How we build these pages.