Internet in San Antonio at a glance
San Antonio, Texas has 650,002 residential broadband-serviceable locations. Fiber reaches 71.7% of them at 100/20 Mbps or faster; cable reaches 93.5%. Gigabit service is available to 85.5% across all technologies.
- San Antonio has 650,002 residential broadband-serviceable locations, per FCC filings as of December 31, 2025.
- It ranks #8 of 29 markets FiberNear tracks for fiber availability, against a median of 64.2%.
- Cable reaches 21.9% more of San Antonio than fiber does — the gap most people are surprised by.
- Over fiber specifically, gigabit reaches 71.7%; across all technologies it reaches 85.5%.
- FiberNear tracks 2 fiber networks operating in San Antonio, alongside 1 major non-fiber provider, and coverage varies street by street — a citywide figure will not tell you what reaches a specific address.
Source: FCC Broadband Data Collection, residential fixed broadband, as of December 31, 2025. Figures are advertised availability self-reported by providers, not measured speeds.
Availability figures: FCC Broadband Data Collection, as of December 31, 2025. Page updated August 15, 2026.
San Antonio, Texas is a large South Texas market with broad fiber coverage and multiple competing gigabit networks. Because fiber is built out street by street, the useful question isn't "who offers service in San Antonio?" — it's "who can actually install it at my address?" That is what FiberNear checks for you.
What's actually available in San Antonio
Each figure is the share of San Antonio's residential broadband-serviceable locations where at least one provider reports service at that speed or better. Read down a column to compare technologies at the same speed tier.
| Technology | 25/3 Mbps | 100/20 Mbps | 250/25 Mbps | 1 Gbps |
|---|---|---|---|---|
| Fiber to the home | 71.7% | 71.7% | 71.7% | 71.7% |
| Cable | 93.5% | 93.5% | 93.5% | 20.4% |
| Fixed wireless | 83.3% | 71.1% | 32.9% | 0.1% |
| DSL / copper | 23.2% | 4.9% | 0.0% | 0.0% |
| Any technology | 100.0% | 100.0% | 100.0% | 85.5% |
Source: FCC Broadband Data Collection, residential fixed broadband, as of December 31, 2025. Figures are advertised availability self-reported by providers, not measured speeds.
How San Antonio compares
Across the 29 metros FiberNear tracks, the median fiber availability is 64.2% at 100/20 Mbps. San Antonio sits at 71.7%, which ranks #8 of 29 — San Antonio has better fiber coverage than a typical market in this set.
Internet providers in San Antonio
These are the major networks active in and around San Antonio — fiber first, plus the cable and wireless operators that reach a large share of the market. Each card names the connection type, because that is the difference that actually matters. Coverage varies by neighborhood and address, so use the checker to confirm which of them reach your home.
Which providers operate in each market is FiberNear's own editorial assessment, not an FCC figure. The FCC's public filings report how much fiber reaches a city, but not which brand it belongs to.
AT&T Fiber
100% fiber-optic; plans commonly range from 300 Mbps up to 5 Gbps where available. Known for symmetrical speeds and no annual contract on most fiber plans.
Google Fiber
Fiber-to-the-home; plans commonly range from 1 Gbps up to 8 Gbps where available. Known for simple plans, no contracts, and some of the highest residential tiers available.
Spectrum
Hybrid fiber-coaxial cable, with fiber run to some business and new-build addresses; plans commonly range from 100 Mbps up to 1 Gbps where available. Known for very wide availability and no data caps on residential plans.
See if fiber is available at your address
Enter your address and we'll compare the fiber providers that actually serve your home — free and no obligation.
Check My San Antonio Address →Fiber vs cable in San Antonio
Cable currently reaches more of San Antonio than fiber does — 93.5% of locations versus 71.7% at 100/20 Mbps. But coverage and quality are different questions. The gap shows up at the top of the range: 71.7% of San Antonio can get gigabit over fiber, compared with 20.4% over cable.
Where it is available, fiber generally outperforms cable and DSL on speed consistency, upload performance and latency — which matters most for video calls, cloud backups, and a household with several people online at once. Actual speeds, pricing and availability are set and confirmed by each provider. How fiber availability works →
Looking for business internet in San Antonio?
Everything above is the residential figure. The FCC reports business availability separately, and in San Antonio fiber reaches 59.3% of business locations against 71.7% of homes — so a street with fiber in it does not settle the question for a commercial premises. Business fiber in San Antonio →
Common questions about internet in San Antonio
Is fiber internet available in San Antonio?
What percentage of San Antonio can get gigabit internet?
Is cable or fiber more widely available in San Antonio?
How do I find out which internet providers serve my exact address in San Antonio?
Is FiberNear an internet provider?
Other cities
Internet in Austin · Internet in Charlotte · Internet in Denver · Internet in Phoenix · Internet in Boston · Internet in New York · Internet in Philadelphia · Internet in Washington · Internet in Nashville · Internet in Columbus · Internet in Raleigh · Internet in Tampa · Internet in Sacramento · Internet in Salt Lake City · Internet in Los Angeles · Internet in Chicago · Internet in Houston · Internet in Dallas · Internet in San Diego · Internet in Jacksonville · Internet in San Francisco · Internet in Indianapolis · Internet in Fort Worth · Internet in Seattle · Internet in San Jose · Internet in Portland · Internet in Oklahoma City · Internet in Detroit
Compare providers: AT&T Fiber · Frontier Fiber · Google Fiber · Verizon Fios · Quantum Fiber · Metronet · Ziply Fiber · Brightspeed · Kinetic · T-Mobile Fiber · Hotwire Communications · Ting Internet · Point Broadband · Conexon Connect · TDS Fiber · Spectrum · Xfinity · Cox Communications · Optimum · WOW! Internet · Astound Broadband · CenturyLink · T-Mobile 5G Home Internet · Verizon 5G Home Internet · Starlink · EarthLink