In the San Antonio area there are 3 residential Cable providers covering 89.51% of the city. The average home can get speeds up to 1,040 Mbps. Note that we may have a financial relationship with some of the providers below. This does not influence rankings, and helps us provide high-quality detailed information for free.
This page contains all Cable internet providers in San Antonio, TX.
To see availability maps for all providers including fiber, cable, DSL, and more in San Antonio, TX please click below.
San Antonio, TX Availability Maps
Cable Internet Service Providers in San Antonio
Data updated 11/14/2025, based on FCC data from 12/31/2024. This is the most current data available as of .
To avoid wasting your time, providers with less than 1% coverage in the San Antonio area are not shown.
San Antonio Satellite TV & Internet Providers
DISH Satellite TV
DIRECTV Satellite TV
Not sure whether to choose Dish or DIRECTV? For most people most of the time we recommend DISH. But click here to learn more.
Viasat Satellite Internet
Where in the San Antonio area is cable internet available?
Cable Internet Availability Key
Cable is available in 89.51% of the San Antonio area. Areas in green have cable internet service, where areas in yellow or red may not. The most widely available provider is Spectrum. Call one of the companies with service in the San Antonio area above to see who has service at your home.
How fast is cable internet in the San Antonio area?
The map below shows maximum cable internet speeds by area in the San Antonio area.
Cable Internet Speed Key
The average San Antonio home can get up to 1,040 Mbps on their cable internet plan. The fastest cable download speed in the city is 1,500 Mbps, which 8.18% of residents can get. Some homes and apartments do not have access to these speeds. On the slower end, for example, less than 1% of homes can only purchase plans up to 100 Mbps. See the internet provider details below for info about their speed and coverage in the San Antonio area.
Cable internet speeds tend to be faster in the central parts of the San Antonio area, and slower in the northwest areas of the city.
Is cable the fastest internet I can get in the San Antonio area?
The fastest internet for you may vary based on where in the San Antonio area you live. In general, fiber competes most often with cable in the city.
- Fiber is the fastest internet type for 86.68% of San Antonio homes.
- Cable is fastest for 9.12% of the city.
- DSL is fastest for less than 1%.
- Fixed wireless is fastest for 2.88%.
- Satellite internet may be the only option for 1.30% of San Antonio homes.
Cable Providers in Depth
Below you'll find which TV and internet providers offer service in the San Antonio area, along with details on where in the San Antonio area and at what speeds.
Spectrum Cable in San Antonio, TX
Spectrum cable coverage
About 88.89%, or 2,273,970 people, have Spectrum cable internet available to them in the city. The company covers the entire San Antonio area. Spectrum is one of the largest internet service providers internet service providers in the US, with internet service available in most of the San Antonio area.
Spectrum cable download speeds
Spectrum is average when comparing download speeds to all other internet providers in the San Antonio area. Versus other cable providers in the area, Spectrum cable is above average. There are no different maximum speeds throughout the San Antonio area. The fastest plan anyone in the San Antonio area can order from Spectrum goes up to 1,000 Mbps, and all San Antonio customers can get this speed.
Show all download speeds
- 100.0% up to 1,000.0 Mbps
Spectrum cable upload speeds
In the San Antonio area download speeds tend to be faster than than upload speeds for Spectrum cable. Compared to other ISPs, Spectrum is below average where upload speeds are concerned, and above average compared to other San Antonio cable providers. Spectrum offers 2 different upload speeds across the city, so your internet plan's upload speed may vary by neighborhood . The fastest upload speed available to anyone from this ISP in the San Antonio area is up to 1,000 Mbps. Some customers have slower plan choices, which only go up to 35 Mbps. On average, Spectrum customers can get speeds up to 42 Mbps.
Show all upload speeds
- 0.7% up to 1,000.0 Mbps
- 99.3% up to 35.0 Mbps
Astound Broadband Cable in San Antonio, TX
Astound Broadband cable coverage
About 8.18%, or 209,228 people, have Astound Broadband cable internet available to them in the city. The company covers the entire San Antonio area. Astound Broadband is one of the largest internet service providers internet service providers in the US, with internet service available in a very small piece of the San Antonio area.
Astound Broadband cable download speeds
Astound Broadband is above average when comparing download speeds to all other internet providers in the San Antonio area. Versus other cable providers in the area, Astound Broadband cable is the fastest. There are no different maximum speeds throughout the San Antonio area. The fastest plan anyone in the San Antonio area can order from Astound Broadband goes up to 1,500 Mbps, and all San Antonio customers can get this speed.
Show all download speeds
- 100.0% up to 1,500.0 Mbps
Astound Broadband cable upload speeds
In the San Antonio area download speeds tend to be faster than than upload speeds for Astound Broadband cable. Compared to other ISPs, Astound Broadband is below average where upload speeds are concerned, and the fastest compared to other San Antonio cable providers. Astound Broadband offers no different upload speeds across the city. The fastest upload speed available to anyone from this ISP in the San Antonio area is up to 50 Mbps, which is available to everyone covered.
Show all upload speeds
- 100.0% up to 50.0 Mbps
San Antonio Cable by Area
This information is most helpful to those looking for homes or considering moving to the San Antonio area or any of the areas nearby.
How does cable internet in the San Antonio area compare to the rest of Texas?
Cable internet speeds in the San Antonio area are much faster versus the average speeds in Texas: 0.00 Mbps in Texas versus 1,040 Mbps in the city. The state has similar cable availability compared to the city. Average cable coverage in Texas is 0.00% versus 89.51% in the San Antonio area.
What zip codes have cable internet?
Cable internet coverage varies by zip code and neighborhood. Some examples in or around the San Antonio area are shown below. You can enter any zip code here to see TV and internet providers by zip code.
What does cable internet look like in other cities?
Below are cities nearby and with similar populations. This comparison can be useful if living somewhere with fast internet is important to you.
Nearby Cities
- Balcones Heights, TX: more cable coverage, faster speeds
- Castle Hills, TX: more cable coverage, faster speeds
- Olmos Park, TX: more cable coverage, faster speeds
- Leon Valley, TX: more cable coverage, slower speeds
- Alamo Heights, TX: more cable coverage, faster speeds
- Terrell Hills, TX: more cable coverage, faster speeds
- Shavano Park, TX: more cable coverage, slower speeds
- Hill Country Village, TX: more cable coverage, slower speeds
- Kirby, TX: more cable coverage, faster speeds
- Valley-Hi, TX: less cable coverage, slower speeds
Cities with Similar Populations
- Charlotte, NC: more cable coverage, slower speeds
- Portland, OR: more cable coverage, faster speeds
- Orlando, FL: more cable coverage, faster speeds
- Sacramento, CA: more cable coverage, faster speeds
- Pittsburgh, PA: more cable coverage, faster speeds
- St. Louis, MO: more cable coverage, slower speeds
- Austin, TX: more cable coverage, faster speeds
- Las Vegas, NV: more cable coverage, faster speeds
- Baltimore, MD: more cable coverage, faster speeds
- Cincinnati, OH: more cable coverage, slower speeds