In 79521 there are 2 residential Fiber providers covering 96.02% of the zip. The average home can get speeds up to 1,769 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 Fiber internet providers in 79521, TX.
To see availability maps for all providers including fiber, cable, DSL, and more in 79521, TX please click below.
Fiber Internet Service Providers in 79521
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 79521 are not shown.
79521 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 79521 is fiber internet available?

Fiber Internet Availability Key
Fiber is available in 96.02% of 79521. Areas in green have fiber internet service, where areas in yellow or red may not. The most widely available provider is Windstream. Call one of the companies with service in 79521 above to see who has service at your home.
How fast is fiber internet in 79521?
The map below shows maximum fiber internet speeds by area in 79521.

Fiber Internet Speed Key
The average 79521 home can get up to 1,769 Mbps on their fiber internet plan. The fastest fiber download speed in the zip is 2,000 Mbps, which 73.88% of residents can get. Some homes and apartments do not have access to these speeds. On the slower end, for example, 22.14% of homes can only purchase plans up to 1,000 Mbps. See the internet provider details below for info about their speed and coverage in 79521.
Fiber internet speeds tend to be faster in the east parts of 79521, and slower in the southeast areas of the zip.
Is fiber the fastest internet I can get in 79521?
The fastest internet for you may vary based on where in 79521 you live. In general, fixed wireless competes most often with fiber in the zip.
- Fiber is the fastest internet type for 96.02% of 79521 homes.
- Cable is fastest for less than 1% of the zip.
- DSL is fastest for less than 1%.
- Fixed wireless is fastest for 2.10%.
- Satellite internet may be the only option for 1.66% of 79521 homes.
Fiber Providers in Depth
Below you'll find which TV and internet providers offer service in 79521, along with details on where in 79521 and at what speeds.
Syntrio Fiber in 79521, TX

Syntrio fiber coverage
About 96.02%, or 3,521 people, have Syntrio fiber internet available to them in the zip. The company covers the entire 79521 area. Syntrio is a large internet service provider internet service providers in the US, with internet service available in most of 79521.
Syntrio fiber download speeds
Syntrio is above average when comparing download speeds to all other internet providers in 79521. Versus other fiber providers in the area, Syntrio fiber is the slowest. There are no different maximum speeds throughout 79521. The fastest plan anyone in 79521 can order from Syntrio goes up to 1,000 Mbps, and all 79521 customers can get this speed.
Show all download speeds
- 100.0% up to 1,000.0 Mbps
Syntrio fiber upload speeds
In 79521 download speeds tend to be equal to than upload speeds for Syntrio fiber. Compared to other ISPs, Syntrio is above average where upload speeds are concerned, and the slowest compared to other 79521 fiber providers. Syntrio offers no different upload speeds across the zip. The fastest upload speed available to anyone from this ISP in 79521 is up to 1,000 Mbps, which is available to everyone covered.
Show all upload speeds
- 100.0% up to 1,000.0 Mbps
Windstream Fiber in 79521, TX

Windstream fiber coverage
About 74.86%, or 2,745 people, have Windstream fiber internet available to them in the zip. The company covers the northwest, central, west, north, east, southwest, and south 79521 area. Windstream is one of the largest internet service providers internet service providers in the US, with internet service available in much of 79521.
Windstream fiber download speeds
Windstream is the fastest when comparing download speeds to all other internet providers in 79521. Versus other fiber providers in the area, Windstream fiber is the fastest. There are 2 different maximum speeds throughout 79521. The fastest plan anyone in 79521 can order from Windstream goes up to 2,000 Mbps, the slowest package only goes up to 1,000 Mbps, and the zip-wide average maximum speed for 79521 customers is up to 1,987 Mbps.
Show all download speeds
- 98.7% up to 2,000.0 Mbps
- 1.3% up to 1,000.0 Mbps
Windstream fiber upload speeds
In 79521 download speeds tend to be equal to than upload speeds for Windstream fiber. Compared to other ISPs, Windstream is the fastest where upload speeds are concerned, and the fastest compared to other 79521 fiber providers. Windstream offers 2 different upload speeds across the zip, so your internet plan's upload speed may vary by neighborhood . The fastest upload speed available to anyone from this ISP in 79521 is up to 2,000 Mbps. Some customers have slower plan choices, which only go up to 1,000 Mbps. On average, Windstream customers can get speeds up to 1,987 Mbps.
Show all upload speeds
- 98.7% up to 2,000.0 Mbps
- 1.3% up to 1,000.0 Mbps
79521 Fiber by Area
This information is most helpful to those looking for homes or considering moving to 79521 or any of the areas nearby.
How does fiber internet in 79521 compare to the rest of Texas?
Fiber internet speeds in 79521 are much faster versus the average speeds in Texas: 0.00 Mbps in Texas versus 1,769 Mbps in the zip. The state has similar fiber availability compared to the zip. Average fiber coverage in Texas is 0.00% versus 96.02% in 79521.
What zip codes have fiber internet?
Fiber internet coverage varies by zip code and neighborhood. Some examples in or around 79521 are shown below. You can enter any zip code here to see TV and internet providers by zip code.
What does fiber internet look like in other zip codes?
Below are zip codes nearby and with similar populations. This comparison can be useful if living somewhere with fast internet is important to you.
Nearby Zip Codes
- 79547, TX: less fiber coverage, slower speeds
- 79548, TX: less fiber coverage, slower speeds
- 79540, TX: less fiber coverage, slower speeds
- 79502, TX: less fiber coverage, slower speeds
- 76483, TX: less fiber coverage, slower speeds
- 76491, TX: less fiber coverage, slower speeds
- 79528, TX: more fiber coverage, slower speeds
- 76372, TX: less fiber coverage, slower speeds
- 76450, TX: less fiber coverage, slower speeds
- 76460, TX: less fiber coverage, slower speeds
Zip Codes with Similar Populations
- 01929, MA: less fiber coverage, slower speeds
- 46773, IN: less fiber coverage, slower speeds
- 38915, MS: more fiber coverage, slower speeds
- 37755, TN: more fiber coverage, slower speeds
- 37362, TN: less fiber coverage, slower speeds
- 36351, AL: more fiber coverage, faster speeds
- 35648, AL: more fiber coverage, slower speeds
- 29570, SC: less fiber coverage, slower speeds
- 27019, NC: less fiber coverage, slower speeds
- 21750, MD: less fiber coverage, faster speeds


