Internet Providers in San Diego, CA
Which providers serve San Diego, what technology they use and how fast it is, from the FCC National Broadband Map (data as of December 31, 2025).
- Providers covering 25%+
- 6
- Homes with fiber
- 40.2%
- Fastest download
- 5 Gbps
- Homes with 100 Mbps+
- 98%
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10 providers reach at least 0.5% of San Diego's 294,633 homes and buildings; most coverage first.
| Provider | Top download | Coverage |
|---|---|---|
| AT&TDSLFiberFixed wireless (licensed) | 5 Gbps | 90.7% |
| T-MobileFixed wireless (licensed) | 100 Mbps | 72.7% |
| VerizonFixed wireless (licensed) | 1 Gbps | 60.4% |
| SpectrumCableFiber | 1 Gbps | 50.7% |
| Cox CommunicationsCableFiber | 2 Gbps | 46.6% |
| San Diego BroadbandFixed wireless (unlicensed) | 500 Mbps | 26.5% |
| GeoLinksFixed wireless (licensed) | 1 Gbps | 1.5% |
| HughesNetSatellite | 50 Mbps | 100% |
| StarlinkLow-orbit satellite | 280 Mbps | 100% |
| Viasat IncSatellite | 150 Mbps | 100% |
Coverage is the share of the city’s homes and buildings where the provider reports service. Speeds are the fastest advertised plan.
Coverage in San Diego
Share of homes that can get each type of connection, and at what speed.
By technology
- Fiber40.2%
- Cable89.7%
- Fixed wireless (5G home internet and similar)77.4%
- DSL52.6%
- Satellite100%
By speed, wired or fixed wireless
- 25 Mbps down / 3 up98.9%
- 100 Mbps down / 20 up98%
- 250 Mbps down / 25 up95.8%
- 1 Gbps down / 100 up68.2%
Moving to San Diego?
Questions people ask
How many internet providers are in San Diego?
21 providers report home internet service somewhere in San Diego. 6 of them reach at least a quarter of the city with a wired or fixed wireless connection: T-Mobile, AT&T, Verizon, Spectrum, Cox Communications, San Diego Broadband. Satellite service is available almost everywhere (FCC, December 31, 2025).
Is fiber internet available in San Diego?
Yes, for 40.2% of homes. Fiber providers include AT&T. Check your exact address with the provider, since coverage varies street by street.
What is the fastest internet in San Diego?
The fastest advertised plan in San Diego is 5 Gbps download from AT&T. 68.2% of homes can get gigabit speeds (1,000 Mbps down, 100 up) from a wired or fixed wireless provider.
How accurate is this coverage data?
It is what providers report to the FCC's National Broadband Map for each home and building, as of December 31, 2025. Providers sometimes overstate coverage, and the FCC corrects it through challenges, so confirm availability at your address before you sign up.
Sources and method
Provider coverage counts the FCC's broadband serviceable locations (homes and buildings) inside San Diego's 2020 census blocks where each provider reports residential service, out of 294,633 locations. Technology coverage and speed tiers are the FCC's own place summary, counted in residential units. 11 providers reaching under 0.5% of locations aren't listed.
- FCC National Broadband Map, fixed broadband availability (data as of December 31, 2025, released 2026-09-29)
- Census Bureau, 2020 Census Block Assignment Files (block to place)
Data compiled October 13, 2026. How we calculate