San Diego, CA · population 1,404,452 · FCC data as of December 31, 2025
Internet providers in San Diego, CA
Coverage in San Diego
- Homes in San Diego that can get 100/20 Mbps or faster over wired service
- 95.8%
- Homes in San Diego that can get fiber
- 40.2%
- Homes in San Diego that can get 1,000/100 Mbps or faster
- 68.2%
- Homes in San Diego that can get cable
- 89.7%
- Homes in San Diego that can get 100/20 Mbps or faster, counting fixed wireless
- 98%
By technology and speed
Share of homes in San Diego 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 | 40.2% | 40.2% | 40.2% | 37.7% |
| Cable | 89.7% | 89.7% | 89.7% | 46.9% |
| DSL (copper) | 63.8% | 52.5% | 16.8% | 0% |
| Fixed wireless | 88.2% | 81.9% | 65.5% | 4.4% |
| Satellite | 100% | 100% | 100% | 0% |
| Any technology | 100% | 100% | 100% | 68.2% |
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
DSL (copper), up to 5,000 Mbps down, 5,000 Mbps up, 84.9% of homes
Rule: Largest share of homes covered, satellite excluded.
Fixed wireless option
Fixed wireless, up to 100 Mbps down, 20 Mbps up, 71% of homes
Rule: Provider whose main technology here is fixed wireless, covering the largest share of homes.
8 wired and fixed wireless providers in San Diego
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 (2)
Coaxial cable network.
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) | 84.9% |
Mainly fixed wireless (5)
Radio link to an antenna at the location, including licensed 5G and LTE home internet.
| Provider | Technologies here | Max download | Max upload | Homes covered |
|---|---|---|---|---|
| T-Mobile Home Internet | Fixed wireless | 100 Mbps | 20 Mbps | 71% |
| Verizon 5G Home Internet | Fixed wireless | 1,000 Mbps | 75 Mbps | 57.7% |
| San Diego Broadband | Fixed wireless | 500 Mbps | 100 Mbps | 18.7% |
| GeoLinks | Fixed wireless | 1,000 Mbps | 1,000 Mbps | 9.1% |
| GFiber | Fixed wireless | 1,000 Mbps | 1,000 Mbps | 4.1% |
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 San Diego.
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Internet outage in San Diego?
We do not track outages. If your service is down in San Diego, the provider's own status page or support line is the fastest place to confirm it.
- AT&T Internet service status
- Verizon 5G Home Internet service status
- Cox service status
- Spectrum service status
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 San Diego, CA
What internet providers serve San Diego, CA?
FCC Broadband Data Collection data as of December 31, 2025 lists 8 wired or fixed wireless home internet providers in San Diego, CA. By share of homes covered: AT&T Internet (84.9%), T-Mobile Home Internet (71%), Verizon 5G Home Internet (57.7%), Cox (48.7%), Spectrum (46.1%), San Diego Broadband (18.7%), GeoLinks (9.1%) and GFiber (4.1%). Satellite service from HughesNet, Starlink and Viasat is also reported.
Is fiber internet available in San Diego, CA?
Yes. 40.2% of homes in San Diego, 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: AT&T Internet, Cox and Spectrum.
What is the fastest internet speed available in San Diego, 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 San Diego, CA?
68.2% of homes in San Diego, 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 San Diego, CA can get 100 Mbps internet?
95.8% of homes in San Diego, CA can get at least 100 Mbps download and 20 Mbps upload over wired service (fiber, cable or DSL), and 98% when fixed wireless is included, according to FCC Broadband Data Collection data as of December 31, 2025.
Which internet provider covers the most of San Diego, CA?
Leaving out satellite, AT&T Internet covers the largest share: 84.9% of homes.
Is satellite internet available in San Diego, CA?
Yes. HughesNet (100%), Starlink (100%) and Viasat (100%) report satellite service to homes in San Diego, 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.