Internet providers in Fairfield, CA
Fairfield is a city in California with about 119,985 residents and roughly 45,302 residential locations that internet providers can report on. The table below compares the providers that report service here.
Compare internet providers in Fairfield, CA
Share of residential locations in Fairfield 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 | Cal.net | Fixed wireless | 89% | |
| 3 | AT&T | Fiber, DSL, Fixed wireless | 80% | Check availability |
| 4 | T-Mobile Home Internet | Fixed wireless | 59% | |
| 5 | Verizon | Fiber, Fixed wireless | 43% | Check availability |
| 6 | Valley Internet | Fixed wireless | 1% | |
| 7 | DigitalPath | Fixed wireless | <1% |
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 Fairfield
Xfinity reports service to the most residential locations in Fairfield, about 99%. 4 providers report coverage of at least half of locations (Xfinity, Cal.net, AT&T, and T-Mobile Home Internet), so the market looks competitive. Cal.net and T-Mobile Home Internet offer fixed wireless home internet, an option if you prefer no cable or fiber installation.
What technologies are available in Fairfield?
Fiber reaches about 17% of locations in Fairfield, so it is available in parts of the area but not everywhere. Gigabit-class service (1,000 Mbps down) is reported for about 99% of locations. DSL is still reported for about 48% of locations, which can be a fallback where fiber and cable do not reach. Fixed wireless home internet is reported for about 97% of locations.
FCC National Broadband Map, data as of December 31, 2025: share of residential locations in Fairfield that providers report they can serve. City-level figures, not your address.
Fairfield at a glance
About 93% of households in Fairfield have a broadband subscription, in line with the California average of 92%.
Source: U.S. Census Bureau, American Community Survey 5-year estimates (2023).
Internet providers in places near Fairfield
- Suisun City, CA (2 mi)
- Vacaville, CA (8 mi)
- American Canyon, CA (14 mi)
- Benicia, CA (15 mi)
- Napa, CA (15 mi)
- Bay Point, CA (16 mi)
- Vallejo, CA (16 mi)
- Dixon, CA (17 mi)
- Pittsburg, CA (18 mi)
- Martinez, CA (19 mi)
- Rio Vista, CA (19 mi)
- Concord, CA (20 mi)
- Pleasant Hill, CA (21 mi)
- Hercules, CA (22 mi)
- Contra Costa Centre, CA (23 mi)
- Sonoma, CA (23 mi)
- Antioch, CA (23 mi)
- Pinole, CA (24 mi)
- El Sobrante, CA (25 mi)
- Walnut Creek, CA (25 mi)
Frequently asked questions
Is fiber internet available in Fairfield?
Yes, in part. About 17% of residential locations in Fairfield can get fiber, 99% can get cable, and about 99% can get gigabit-class speeds, per FCC data. Availability depends on your exact address.
Which internet provider has the widest coverage in Fairfield?
Xfinity reports service to about 99% of residential locations in Fairfield, the most of any provider, per FCC data. Availability still depends on your address.
How many internet providers serve Fairfield?
5 providers report service to at least 2% of locations in Fairfield, and 4 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 Fairfield?
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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