Internet providers in Sunnyvale, CA
Sunnyvale is a city in California with about 153,455 residents and roughly 72,297 residential locations that internet providers can report on. The table below compares the providers that report service here.
Compare internet providers in Sunnyvale, CA
Share of residential locations in Sunnyvale 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 | 97% | |
| 2 | Etheric Communications | Fixed wireless | 91% | |
| 3 | AT&T | Fiber, DSL, Fixed wireless | 78% | Check availability |
| 4 | Ridge Wireless | Fixed wireless | 76% | |
| 5 | T-Mobile Home Internet | Fixed wireless | 63% | |
| 6 | Verizon | Fiber, Fixed wireless | 57% | Check availability |
| 7 | Tekify | Fixed wireless | 26% | |
| 8 | California Internet | Fixed wireless | 15% | |
| 9 | Sail Internet Holdings | Fixed wireless | 6% |
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 Sunnyvale
Xfinity reports service to the most residential locations in Sunnyvale, about 97%. 6 providers report coverage of at least half of locations (Xfinity, Etheric Communications, AT&T, Ridge Wireless, T-Mobile Home Internet, and Verizon), so the market looks competitive. Etheric Communications, Ridge Wireless, T-Mobile Home Internet, and Tekify offer fixed wireless home internet, an option if you prefer no cable or fiber installation.
What technologies are available in Sunnyvale?
Fiber reaches about 35% of locations in Sunnyvale, so it is available in parts of the area but not everywhere. Gigabit-class service (1,000 Mbps down) is reported for about 67% of locations. DSL is still reported for about 42% of locations, which can be a fallback where fiber and cable do not reach. Fixed wireless home internet is reported for about 99% of locations.
FCC National Broadband Map, data as of December 31, 2025: share of residential locations in Sunnyvale that providers report they can serve. City-level figures, not your address.
Sunnyvale at a glance
About 97% of households in Sunnyvale have a broadband subscription, 4 points above the California average of 92%.
Source: U.S. Census Bureau, American Community Survey 5-year estimates (2023).
Internet providers in places near Sunnyvale
- Mountain View, CA (3 mi)
- Santa Clara, CA (4 mi)
- Los Altos, CA (4 mi)
- Cupertino, CA (5 mi)
- Palo Alto, CA (6 mi)
- Milpitas, CA (8 mi)
- Saratoga, CA (8 mi)
- East Palo Alto, CA (8 mi)
- Newark, CA (8 mi)
- Campbell, CA (8 mi)
- Fremont, CA (9 mi)
- Menlo Park, CA (9 mi)
- Los Gatos, CA (11 mi)
- San Jose, CA (13 mi)
- Redwood City, CA (14 mi)
- Union City, CA (15 mi)
- San Carlos, CA (15 mi)
- Belmont, CA (17 mi)
- Hayward, CA (17 mi)
- Foster City, CA (17 mi)
Frequently asked questions
Is fiber internet available in Sunnyvale?
Yes, in part. About 35% of residential locations in Sunnyvale can get fiber, 95% can get cable, and about 67% can get gigabit-class speeds, per FCC data. Availability depends on your exact address.
Which internet provider has the widest coverage in Sunnyvale?
Xfinity reports service to about 97% of residential locations in Sunnyvale, the most of any provider, per FCC data. Availability still depends on your address.
How many internet providers serve Sunnyvale?
9 providers report service to at least 2% of locations in Sunnyvale, and 6 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 Sunnyvale?
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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