Sunnyvale, CA · population 156,792 · FCC data as of December 31, 2025
Internet providers in Sunnyvale, CA
Coverage in Sunnyvale
- Homes in Sunnyvale that can get 100/20 Mbps or faster over wired service
- 97.7%
- Homes in Sunnyvale that can get fiber
- 35.3%
- Homes in Sunnyvale that can get 1,000/100 Mbps or faster
- 66.9%
- Homes in Sunnyvale that can get cable
- 95.3%
- Homes in Sunnyvale that can get 100/20 Mbps or faster, counting fixed wireless
- 99.4%
By technology and speed
Share of homes in Sunnyvale that can get each technology at each speed tier from at least one provider.
| Technology | Any speed | 25/3 Mbps+ | 100/20 Mbps+ | 1,000/100 Mbps+ |
|---|---|---|---|---|
| Fiber | 35.3% | 35.3% | 35.3% | 34.9% |
| Cable | 95.3% | 95.3% | 95.3% | 37.9% |
| DSL (copper) | 50.8% | 42% | 12.5% | 1.2% |
| Fixed wireless | 99.4% | 99.2% | 95.7% | 14.5% |
| Satellite | 100% | 100% | 100% | 0% |
| Any technology | 100% | 100% | 100% | 66.9% |
Best for, by rule
Each pick is computed from the data with the rule shown on the card. No provider pays for placement.
Fastest fiber
Fiber, up to 5,000 Mbps down, 5,000 Mbps up
Rule: Highest advertised fiber download among providers whose fiber reaches at least 20% of the area.
Widest coverage
Cable, up to 2,000 Mbps down, 2,000 Mbps up, 97.3% of homes
Rule: Largest share of homes covered, satellite excluded.
Fixed wireless option
Fixed wireless, up to 250 Mbps down, 100 Mbps up, 90.5% of homes
Rule: Provider whose main technology here is fixed wireless, covering the largest share of homes.
9 wired and fixed wireless providers in Sunnyvale
Grouped by each provider's main technology here (the one reaching most of its service area), then ranked by share covered, with speeds for the fastest tier.
Mainly cable (1)
Coaxial cable network.
| Provider | Technologies here | Max download | Max upload | Homes covered |
|---|---|---|---|---|
| Xfinity | Fiber, Cable | 2,000 Mbps (cable) | 2,000 Mbps (cable) | 97.3% |
Mainly DSL (1)
Telephone copper lines (DSL).
| Provider | Technologies here | Max download | Max upload | Homes covered |
|---|---|---|---|---|
| AT&T Internet | Fiber, DSL (copper), Fixed wireless | 5,000 Mbps (fiber) | 5,000 Mbps (fiber) | 78% |
Mainly fixed wireless (7)
Radio link to an antenna at the location, including licensed 5G and LTE home internet.
| Provider | Technologies here | Max download | Max upload | Homes covered |
|---|---|---|---|---|
| Etheric Networks | Fixed wireless | 250 Mbps | 100 Mbps | 90.5% |
| Ridge Wireless Inc | Fixed wireless | 100 Mbps | 60 Mbps | 76.4% |
| T-Mobile Home Internet | Fixed wireless | 100 Mbps | 20 Mbps | 62.9% |
| Verizon 5G Home Internet | Fixed wireless | 1,000 Mbps | 75 Mbps | 57.4% |
| Tekify Fiber & Wireless | Fixed wireless | 2,000 Mbps | 2,000 Mbps | 26.4% |
| GeoLinks | Fixed wireless | 1,000 Mbps | 1,000 Mbps | 14.5% |
| Sail Internet | Fiber, DSL (copper), Fixed wireless | 1,000 Mbps (fiber) | 1,000 Mbps (fiber) | 6.4% |
Satellite (3)
Satellite providers report service to nearly every home, so they are listed separately and left out of the ranking and the picks above.
Check your address
Coverage varies street by street. See exactly what is offered at your address in Sunnyvale.
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Internet outage in Sunnyvale?
We do not track outages. If your service is down in Sunnyvale, the provider's own status page or support line is the fastest place to confirm it.
For other providers, contact the provider directly.
To report a service problem the provider has not fixed, you can file a complaint with the FCC at consumercomplaints.fcc.gov.
More cities in California
Questions about internet in Sunnyvale, CA
What internet providers serve Sunnyvale, CA?
FCC Broadband Data Collection data as of December 31, 2025 lists 9 wired or fixed wireless home internet providers in Sunnyvale, CA. By share of homes covered: Xfinity (97.3%), Etheric Networks (90.5%), AT&T Internet (78%), Ridge Wireless Inc (76.4%), T-Mobile Home Internet (62.9%), Verizon 5G Home Internet (57.4%), Tekify Fiber & Wireless (26.4%), GeoLinks (14.5%) and Sail Internet (6.4%). Satellite service from HughesNet, Starlink and Viasat is also reported.
Is fiber internet available in Sunnyvale, CA?
Yes. 35.3% of homes in Sunnyvale, CA can get fiber from at least one provider, according to FCC Broadband Data Collection data as of December 31, 2025. Providers reporting fiber here: Xfinity, AT&T Internet and Sail Internet.
What is the fastest internet speed available in Sunnyvale, CA?
The highest advertised download speed is 5,000 Mbps (5,000 Mbps upload), from AT&T Internet over fiber. Advertised maximums are not guaranteed speeds, and not every address can get them.
Can I get gigabit internet in Sunnyvale, CA?
66.9% of homes in Sunnyvale, CA can get at least 1,000 Mbps download and 100 Mbps upload from at least one provider, according to FCC Broadband Data Collection data as of December 31, 2025.
How much of Sunnyvale, CA can get 100 Mbps internet?
97.7% of homes in Sunnyvale, CA can get at least 100 Mbps download and 20 Mbps upload over wired service (fiber, cable or DSL), and 99.4% when fixed wireless is included, according to FCC Broadband Data Collection data as of December 31, 2025.
Which internet provider covers the most of Sunnyvale, CA?
Leaving out satellite, Xfinity covers the largest share: 97.3% of homes.
Is satellite internet available in Sunnyvale, CA?
Yes. HughesNet (100%), Starlink (100%) and Viasat (100%) report satellite service to homes in Sunnyvale, CA.
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.