In 78155 there are 3 residential DSL providers covering 68.87% of the zip. The average home can get speeds up to 40 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 78155, TX.
To see availability maps for all providers including fiber, cable, DSL, and more in 78155, TX please click below.
DSL Internet Service Providers in 78155
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 78155 are not shown.
78155 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 78155 is DSL internet available?
DSL Internet Availability Key
DSL is available in 68.87% of 78155. Areas in green have DSL internet service, where areas in yellow or red may not. The most widely available provider is AT&T. Call one of the companies with service in 78155 above to see who has service at your home.
How fast is DSL internet in 78155?
The map below shows maximum DSL internet speeds by area in 78155.
DSL Internet Speed Key
The average 78155 home can get up to 40 Mbps on their DSL internet plan. The fastest DSL download speed in the zip is 100 Mbps, which 17.46% of residents can get. Some homes and apartments do not have access to these speeds. On the slower end, for example, 37.34% of homes can only purchase plans up to 10 Mbps. See the internet provider details below for info about their speed and coverage in 78155.
DSL internet speeds tend to be faster in the southeast parts of 78155, and slower in the central areas of the zip.
Is DSL the fastest internet I can get in 78155?
The fastest internet for you may vary based on where in 78155 you live. In general, fiber competes most often with DSL in the zip.
- Fiber is the fastest internet type for 74.83% of 78155 homes.
- Cable is fastest for 22.63% of the zip.
- DSL is fastest for less than 1%.
- Fixed wireless is fastest for 1.20%.
- Satellite internet may be the only option for 1.35% of 78155 homes.
DSL Providers in Depth
Below you'll find which TV and internet providers offer service in 78155, along with details on where in 78155 and at what speeds.
AT&T DSL in 78155, TX
AT&T DSL coverage
About 68.34%, or 35,397 people, have AT&T DSL internet available to them in the zip. The company covers the entire 78155 area. AT&T is one of the largest internet service providers internet service providers in the US, with internet service available in much of 78155.
AT&T DSL download speeds
AT&T is below average when comparing download speeds to all other internet providers in 78155. Versus other DSL providers in the area, AT&T DSL is one of the fastest. There are 5 different maximum speeds throughout 78155. The fastest plan anyone in 78155 can order from AT&T goes up to 100 Mbps, the slowest package only goes up to 10 Mbps, and the zip-wide average maximum speed for 78155 customers is up to 40 Mbps.
Show all download speeds
- 25.5% up to 100.0 Mbps
- 3.4% up to 75.0 Mbps
- 9.3% up to 50.0 Mbps
- 7.9% up to 25.0 Mbps
- 53.9% up to 10.0 Mbps
AT&T DSL upload speeds
In 78155 download speeds tend to be faster than than upload speeds for AT&T DSL. Compared to other ISPs, AT&T is below average where upload speeds are concerned, and one of the fastest compared to other 78155 DSL providers. AT&T offers 4 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 78155 is up to 20 Mbps. Some customers have slower plan choices, which only go up to 1.0 Mbps. On average, AT&T customers can get speeds up to 7.7 Mbps.
Show all upload speeds
- 29.0% up to 20.0 Mbps
- 9.3% up to 10.0 Mbps
- 7.9% up to 5.0 Mbps
- 53.9% up to 1.0 Mbps
EarthLink DSL in 78155, TX
EarthLink DSL coverage
About 68.34%, or 35,397 people, have EarthLink DSL internet available to them in the zip. The company covers the entire 78155 area. EarthLink is one of the largest internet service providers internet service providers in the US, with internet service available in much of 78155.
EarthLink DSL download speeds
EarthLink is below average when comparing download speeds to all other internet providers in 78155. Versus other DSL providers in the area, EarthLink DSL is one of the fastest. There are 5 different maximum speeds throughout 78155. The fastest plan anyone in 78155 can order from EarthLink goes up to 100 Mbps, the slowest package only goes up to 10 Mbps, and the zip-wide average maximum speed for 78155 customers is up to 40 Mbps.
Show all download speeds
- 25.5% up to 100.0 Mbps
- 3.4% up to 75.0 Mbps
- 9.3% up to 50.0 Mbps
- 7.9% up to 25.0 Mbps
- 53.9% up to 10.0 Mbps
EarthLink DSL upload speeds
In 78155 download speeds tend to be faster than than upload speeds for EarthLink DSL. Compared to other ISPs, EarthLink is below average where upload speeds are concerned, and one of the fastest compared to other 78155 DSL providers. EarthLink offers 4 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 78155 is up to 20 Mbps. Some customers have slower plan choices, which only go up to 1.0 Mbps. On average, EarthLink customers can get speeds up to 7.7 Mbps.
Show all upload speeds
- 29.0% up to 20.0 Mbps
- 9.3% up to 10.0 Mbps
- 7.9% up to 5.0 Mbps
- 53.9% up to 1.0 Mbps
GVTC DSL in 78155, TX
GVTC DSL coverage
About 3.15%, or 1,632 people, have GVTC DSL internet available to them in the zip. The company covers the southeast and northeast 78155 area. GVTC is a large internet service provider internet service providers in the US, with internet service available in a very small piece of 78155.
GVTC DSL download speeds
GVTC is the slowest when comparing download speeds to all other internet providers in 78155. Versus other DSL providers in the area, GVTC DSL is the slowest. There are no different maximum speeds throughout 78155. The fastest plan anyone in 78155 can order from GVTC goes up to 10 Mbps, and all 78155 customers can get this speed.
Show all download speeds
- 100.0% up to 10.0 Mbps
GVTC DSL upload speeds
In 78155 download speeds tend to be faster than than upload speeds for GVTC DSL. Compared to other ISPs, GVTC is the slowest where upload speeds are concerned, and the slowest compared to other 78155 DSL providers. GVTC offers no different upload speeds across the zip. The fastest upload speed available to anyone from this ISP in 78155 is up to 1.0 Mbps, which is available to everyone covered.
Show all upload speeds
- 100.0% up to 1.0 Mbps
78155 DSL by Area
This information is most helpful to those looking for homes or considering moving to 78155 or any of the areas nearby.
How does DSL internet in 78155 compare to the rest of Texas?
DSL internet speeds in 78155 are much faster versus the average speeds in Texas: 0.00 Mbps in Texas versus 40 Mbps in the zip. The state has similar DSL availability compared to the zip. Average DSL coverage in Texas is 0.00% versus 68.87% in 78155.
What zip codes have DSL internet?
DSL internet coverage varies by zip code and neighborhood. Some examples in or around 78155 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
- 78123, TX: more DSL coverage, slower speeds
- 78124, TX: less DSL coverage, slower speeds
- 78638, TX: less DSL coverage, slower speeds
- 78130, TX: more DSL coverage, faster speeds
- 78108, TX: less DSL coverage, faster speeds
- 78122, TX: more DSL coverage, slower speeds
- 78152, TX: more DSL coverage, slower speeds
- 78154, TX: less DSL coverage, faster speeds
- 78148, TX: more DSL coverage, faster speeds
- 78648, TX: less DSL coverage, slower speeds
Zip Codes with Similar Populations
- 33810, FL: less DSL coverage, slower speeds
- 98003, WA: more DSL coverage, faster speeds
- 45424, OH: more DSL coverage, faster speeds
- 98023, WA: more DSL coverage, faster speeds
- 40601, KY: less DSL coverage, slower speeds
- 40324, KY: less DSL coverage, slower speeds
- 38305, TN: less DSL coverage, slower speeds
- 37421, TN: more DSL coverage, faster speeds
- 37087, TN: more DSL coverage, faster speeds
- 36695, AL: more DSL coverage, faster speeds