Internet providers in Windsor, CA
Windsor is a town in California with about 26,179 residents and roughly 10,390 residential locations that internet providers can report on. The table below compares the providers that report service here.
Compare internet providers in Windsor, CA
Share of residential locations in Windsor 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 | 96% | |
| 2 | AT&T | Fiber, DSL, Fixed wireless | 89% | Check availability |
| 3 | T-Mobile Home Internet | Fixed wireless | 74% | |
| 4 | Verizon | Fiber, Fixed wireless | 45% | Check availability |
| 5 | California Internet | Fixed wireless | 4% | |
| 6 | Kwikbit Internet | Fixed wireless | 3% |
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 to know about internet in Windsor
Xfinity reports service to the most residential locations in Windsor, about 96%. 3 providers report coverage of at least half of locations (Xfinity, AT&T, and T-Mobile Home Internet), so the market looks competitive. T-Mobile Home Internet offers fixed wireless home internet, an option if you prefer no cable or fiber installation.
What technologies are available in Windsor?
Fiber is limited in Windsor, reaching about 1% of locations. Plans of 100 Mbps or faster are reported for about 99%+ of locations, while gigabit-class service reaches about 43%. DSL is still reported for about 65% of locations, which can be a fallback where fiber and cable do not reach. Fixed wireless home internet is reported for about 67% of locations.
FCC National Broadband Map, data as of December 31, 2025: share of residential locations in Windsor that providers report they can serve. City-level figures, not your address.
Windsor at a glance
About 94% of households in Windsor have a broadband subscription, 2 points above the California average of 92%.
Source: U.S. Census Bureau, American Community Survey 5-year estimates (2023).
Internet providers in places near Windsor
- Healdsburg, CA (6 mi)
- Santa Rosa, CA (9 mi)
- Rohnert Park, CA (15 mi)
- Petaluma, CA (23 mi)
- Sonoma, CA (26 mi)
- Clearlake, CA (30 mi)
- Napa, CA (32 mi)
- Novato, CA (35 mi)
- American Canyon, CA (39 mi)
Frequently asked questions
Is fiber internet available in Windsor?
Yes, in part. About 1% of residential locations in Windsor can get fiber, 95% can get cable, and about 43% can get gigabit-class speeds, per FCC data. Availability depends on your exact address.
Which internet provider has the widest coverage in Windsor?
Xfinity reports service to about 96% of residential locations in Windsor, the most of any provider, per FCC data. Availability still depends on your address.
How many internet providers serve Windsor?
6 providers report service to at least 2% of locations in Windsor, and 3 cover at least half. Satellite (HughesNet, Viasat, Starlink) is also available nearly everywhere.
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 Windsor?
Most households are well served by 100–300 Mbps. Heavy streaming, gaming or many connected devices may benefit from 500 Mbps or more.
Check your exact address
Coverage for a whole community cannot tell you what is available at your door. Enter your ZIP code, then confirm with each provider.
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