Internet providers in Santa Rosa, California
Santa Rosa is in Sonoma County, California, and has 6 ZIP codes. Available providers can differ from one ZIP code to the next, so pick yours below.
Xfinity reports service to the most residential locations in Santa Rosa, about 99%. 3 providers report coverage of at least half of locations (Xfinity, AT&T, and T-Mobile Home Internet), so the market looks competitive. Fiber-focused providers reporting service here include Sonic Telecom (22%). T-Mobile Home Internet offers fixed wireless home internet, an option if you prefer no cable or fiber installation.
Our picks for internet in Santa Rosa
- Widest coverage: Xfinity (about 99% of locations)
- Fiber-focused option: Sonic Telecom (about 22% of locations)
- No-install wireless option: T-Mobile Home Internet (about 53% of locations)
Picks are based on the share of locations each provider reports serving, not on price or customer reviews.
ZIP codes in Santa Rosa
Compare internet providers in Santa Rosa, California
Share of residential locations in Santa Rosa where each provider reports service, from the FCC National Broadband Map (data as of December 31, 2025). Availability depends on your exact address.
| # | Provider | Technology (varies by address) | Locations covered | |
|---|---|---|---|---|
| 1 | Xfinity | Cable | 99% | |
| 2 | AT&T | Fiber, DSL, Fixed wireless | 81% | Check availability |
| 3 | T-Mobile Home Internet | Fixed wireless | 53% | |
| 4 | Verizon | Fiber, Fixed wireless | 46% | Check availability |
| 5 | Sonic Telecom | Fiber | 22% | |
| 6 | California Internet | Fixed wireless | 5% |
Satellite internet
| 1 | HughesNet | Satellite | 99%+ | |
| 2 | Viasat | Satellite | 99%+ | |
| 3 | Starlink | Satellite | 99%+ |
Satellite service is available at nearly every address but typically has higher latency than wired options.
Provider-reported coverage does not guarantee service or speeds at a specific address. Some "Check availability" links are affiliate links; we may earn a commission at no cost to you. How we make money.
What technologies are available in Santa Rosa?
Fiber reaches about 33% of locations in Santa Rosa, so it is available in parts of the area but not everywhere. Gigabit-class service (1,000 Mbps down) is reported for about 60% of locations. DSL is still reported for about 55% of locations, which can be a fallback where fiber and cable do not reach. Fixed wireless home internet is reported for about 66% of locations.
FCC National Broadband Map, data as of December 31, 2025: share of residential locations in Santa Rosa that providers report they can serve. City-level figures, not your address.
Best-connected ZIP codes in Santa Rosa
Frequently asked questions
Is fiber internet available in Santa Rosa?
Yes, in part. About 33% of residential locations in Santa Rosa can get fiber, 99% can get cable, and about 60% can get gigabit-class speeds, per FCC data. Availability depends on your exact address.
Which internet provider has the widest coverage in Santa Rosa?
Xfinity reports service to about 99% of residential locations in Santa Rosa, the most of any provider, per FCC data. Availability still depends on your address.
How many internet providers serve Santa Rosa?
6 providers report service to at least 2% of locations in Santa Rosa, and 3 cover at least half. Satellite (HughesNet, Viasat, Starlink) is also available nearly everywhere.
Is there fiber internet in Santa Rosa?
Fiber providers reporting service in Santa Rosa include Sonic Telecom (22% of locations). Other providers may also offer fiber in parts of the city, so check your address.
What is the difference between fiber, cable and DSL?
Fiber offers the fastest and most consistent speeds, cable is widely available with high download speeds, and DSL runs over phone lines and is usually slower. See our guide for details.
What internet speed do I need in Santa Rosa?
Most households are well served by 100–300 Mbps. Heavy streaming, gaming or many connected devices may benefit from 500 Mbps or more.