In 78850 there is 1 residential DSL provider covering 93.92% of the zip. The average home can get speeds up to 44 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 DSL internet providers in 78850, TX.
To see availability maps for all providers including fiber, cable, DSL, and more in 78850, TX please click below.
DSL Internet Service Provider in 78850
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 78850 are not shown.
78850 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 78850 is DSL internet available?

DSL Internet Availability Key
DSL is available in 93.92% of 78850. Areas in green have DSL internet service, where areas in yellow or red may not. The most widely available provider is Southwest Texas Communications. Call one of the companies with service in 78850 above to see who has service at your home.
How fast is DSL internet in 78850?
The map below shows maximum DSL internet speeds by area in 78850.

DSL Internet Speed Key
The average 78850 home can get up to 44 Mbps on their DSL internet plan. The fastest DSL download speed in the zip is 50 Mbps, which 75.59% of residents can get. Some homes and apartments do not have access to these speeds. On the slower end, for example, 8.25% of homes can only purchase plans up to 10 Mbps. See the internet provider details below for info about their speed and coverage in 78850.
DSL internet speeds tend to be faster in the northwest parts of 78850, and slower in the south areas of the zip.
Is DSL the fastest internet I can get in 78850?
The fastest internet for you may vary based on where in 78850 you live. In general, fiber competes most often with DSL in the zip.
- Fiber is the fastest internet type for 81.75% of 78850 homes.
- Cable is fastest for less than 1% of the zip.
- DSL is fastest for less than 1%.
- Fixed wireless is fastest for 14.07%.
- Satellite internet may be the only option for 3.56% of 78850 homes.
DSL Providers in Depth
Below you'll find which TV and internet providers offer service in 78850, along with details on where in 78850 and at what speeds.
Southwest Texas Communications DSL in 78850, TX

Southwest Texas Communications DSL coverage
About 93.92%, or 1,081 people, have Southwest Texas Communications DSL internet available to them in the zip. The company covers the entire 78850 area. Southwest Texas Communications is a small internet service provider internet service providers in the US, with internet service available in most of 78850.
Southwest Texas Communications DSL download speeds
Southwest Texas Communications is below average when comparing download speeds to all other internet providers in 78850. Versus other DSL providers in the area, Southwest Texas Communications DSL is the fastest. There are 3 different maximum speeds throughout 78850. The fastest plan anyone in 78850 can order from Southwest Texas Communications goes up to 50 Mbps, the slowest package only goes up to 10 Mbps, and the zip-wide average maximum speed for 78850 customers is up to 44 Mbps.
Show all download speeds
- 80.5% up to 50.0 Mbps
- 10.7% up to 25.0 Mbps
- 8.8% up to 10.0 Mbps
Southwest Texas Communications DSL upload speeds
In 78850 download speeds tend to be faster than than upload speeds for Southwest Texas Communications DSL. Compared to other ISPs, Southwest Texas Communications is the slowest where upload speeds are concerned, and the fastest compared to other 78850 DSL providers. Southwest Texas Communications offers 3 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 78850 is up to 6.0 Mbps. Some customers have slower plan choices, which only go up to 1.0 Mbps. On average, Southwest Texas Communications customers can get speeds up to 5.2 Mbps.
Show all upload speeds
- 80.5% up to 6.0 Mbps
- 10.7% up to 3.0 Mbps
- 8.8% up to 1.0 Mbps
78850 DSL by Area
This information is most helpful to those looking for homes or considering moving to 78850 or any of the areas nearby.
How does DSL internet in 78850 compare to the rest of Texas?
DSL internet speeds in 78850 are much faster versus the average speeds in Texas: 0.00 Mbps in Texas versus 44 Mbps in the zip. The state has similar DSL availability compared to the zip. Average DSL coverage in Texas is 0.00% versus 93.92% in 78850.
What zip codes have DSL internet?
DSL internet coverage varies by zip code and neighborhood. Some examples in or around 78850 are shown below. You can enter any zip code here to see TV and internet providers by zip code.
What does DSL 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
- 78861, TX: less DSL coverage, slower speeds
- 78881, TX: less DSL coverage, slower speeds
- 78009, TX: less DSL coverage, slower speeds
- 78039, TX: less DSL coverage, slower speeds
- 78801, TX: less DSL coverage, slower speeds
- 78052, TX: less DSL coverage, slower speeds
- 78253, TX: less DSL coverage, faster speeds
- 78002, TX: less DSL coverage, slower speeds
- 78252, TX: less DSL coverage, faster speeds
- 78245, TX: less DSL coverage, faster speeds
Zip Codes with Similar Populations
- 04051, ME: less DSL coverage, slower speeds
- 04221, ME: less DSL coverage, slower speeds
- 04606, ME: less DSL coverage, slower speeds
- 05770, VT: less DSL coverage, slower speeds
- 56579, MN: less DSL coverage, slower speeds
- 52554, IA: less DSL coverage, faster speeds
- 54104, WI: less DSL coverage, faster speeds
- 56144, MN: less DSL coverage, slower speeds
- 56181, MN: less DSL coverage, slower speeds
- 56270, MN: less DSL coverage, slower speeds


