In Williamson County there are 3 residential DSL providers covering 61.68% of the county. The average home can get speeds up to 68 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 Williamson County, TX.
To see availability maps for all providers including fiber, cable, DSL, and more in Williamson County, TX please click below.
Williamson County, TX Availability Maps
DSL Internet Service Providers in Williamson County
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 Williamson County are not shown.
Williamson County 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 Williamson County is DSL internet available?
DSL Internet Availability Key
DSL is available in 61.68% of Williamson County. 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 Williamson County above to see who has service at your home.
How fast is DSL internet in Williamson County?
The map below shows maximum DSL internet speeds by area in Williamson County.
DSL Internet Speed Key
The average Williamson County home can get up to 68 Mbps on their DSL internet plan. The fastest DSL download speed in the county is 100 Mbps, which 28.18% of residents can get. Some homes and apartments do not have access to these speeds. On the slower end, for example, 8.21% of homes can only purchase plans up to 10 Mbps. See the internet provider details below for info about their speed and coverage in Williamson County.
DSL internet speeds tend to be faster in the southwest parts of Williamson County, and slower in the northeast areas of the county.
Is DSL the fastest internet I can get in Williamson County?
The fastest internet for you may vary based on where in Williamson County you live. In general, fiber competes most often with DSL in the county.
- Fiber is the fastest internet type for 70.20% of Williamson County homes.
- Cable is fastest for 24.99% of the county.
- DSL is fastest for less than 1%.
- Fixed wireless is fastest for 4.50%.
- Satellite internet may be the only option for less than 1% of Williamson County homes.
DSL Providers in Depth
Below you'll find which TV and internet providers offer service in Williamson County, along with details on where in Williamson County and at what speeds.
EarthLink DSL in Williamson County, TX
EarthLink DSL coverage
About 55.45%, or 337,716 people, have EarthLink DSL internet available to them in the county. The company covers the southwest, south, west, central, southeast, east, northwest, and northeast Williamson County area. EarthLink is one of the largest internet service providers internet service providers in the US, with internet service available in a majority of Williamson County.
EarthLink DSL download speeds
EarthLink is below average when comparing download speeds to all other internet providers in Williamson County. Versus other DSL providers in the area, EarthLink DSL is one of the fastest. There are 5 different maximum speeds throughout Williamson County. The fastest plan anyone in Williamson County can order from EarthLink goes up to 100 Mbps, the slowest package only goes up to 10 Mbps, and the county-wide average maximum speed for Williamson County customers is up to 72 Mbps.
Show all download speeds
- 48.9% up to 100.0 Mbps
- 13.1% up to 75.0 Mbps
- 21.2% up to 50.0 Mbps
- 9.4% up to 25.0 Mbps
- 7.4% up to 10.0 Mbps
EarthLink DSL upload speeds
In Williamson County 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 Williamson County DSL providers. EarthLink offers 4 different upload speeds across the county, so your internet plan's upload speed may vary by neighborhood . The fastest upload speed available to anyone from this ISP in Williamson County 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 15 Mbps.
Show all upload speeds
- 62.0% up to 20.0 Mbps
- 21.2% up to 10.0 Mbps
- 9.4% up to 5.0 Mbps
- 7.4% up to 1.0 Mbps
AT&T DSL in Williamson County, TX
AT&T DSL coverage
About 55.45%, or 337,716 people, have AT&T DSL internet available to them in the county. The company covers the southwest, south, west, central, southeast, east, northwest, and northeast Williamson County area. AT&T is one of the largest internet service providers internet service providers in the US, with internet service available in a majority of Williamson County.
AT&T DSL download speeds
AT&T is below average when comparing download speeds to all other internet providers in Williamson County. Versus other DSL providers in the area, AT&T DSL is one of the fastest. There are 5 different maximum speeds throughout Williamson County. The fastest plan anyone in Williamson County can order from AT&T goes up to 100 Mbps, the slowest package only goes up to 10 Mbps, and the county-wide average maximum speed for Williamson County customers is up to 72 Mbps.
Show all download speeds
- 48.9% up to 100.0 Mbps
- 13.1% up to 75.0 Mbps
- 21.2% up to 50.0 Mbps
- 9.4% up to 25.0 Mbps
- 7.4% up to 10.0 Mbps
AT&T DSL upload speeds
In Williamson County 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 Williamson County DSL providers. AT&T offers 4 different upload speeds across the county, so your internet plan's upload speed may vary by neighborhood . The fastest upload speed available to anyone from this ISP in Williamson County 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 15 Mbps.
Show all upload speeds
- 62.0% up to 20.0 Mbps
- 21.2% up to 10.0 Mbps
- 9.4% up to 5.0 Mbps
- 7.4% up to 1.0 Mbps
Brightspeed DSL in Williamson County, TX
Brightspeed DSL coverage
About 6.41%, or 39,028 people, have Brightspeed DSL internet available to them in the county. The company covers the east, southeast, northwest, and north Williamson County area. Brightspeed is one of the largest internet service providers internet service providers in the US, with internet service available in a very small piece of Williamson County.
Brightspeed DSL download speeds
Brightspeed is the slowest when comparing download speeds to all other internet providers in Williamson County. Versus other DSL providers in the area, Brightspeed DSL is the slowest. There are 5 different maximum speeds throughout Williamson County. The fastest plan anyone in Williamson County can order from Brightspeed goes up to 100 Mbps, the slowest package only goes up to 10 Mbps, and the county-wide average maximum speed for Williamson County customers is up to 33 Mbps.
Show all download speeds
- 16.2% up to 100.0 Mbps
- 5.9% up to 80.0 Mbps
- 2.2% up to 60.0 Mbps
- 9.9% up to 40.0 Mbps
- 65.8% up to 10.0 Mbps
Brightspeed DSL upload speeds
In Williamson County download speeds tend to be faster than than upload speeds for Brightspeed DSL. Compared to other ISPs, Brightspeed is the slowest where upload speeds are concerned, and the slowest compared to other Williamson County DSL providers. Brightspeed offers 4 different upload speeds across the county, so your internet plan's upload speed may vary by neighborhood . The fastest upload speed available to anyone from this ISP in Williamson County is up to 10 Mbps. Some customers have slower plan choices, which only go up to 1.0 Mbps. On average, Brightspeed customers can get speeds up to 3.3 Mbps.
Show all upload speeds
- 22.1% up to 10.0 Mbps
- 2.2% up to 5.0 Mbps
- 9.9% up to 3.0 Mbps
- 65.8% up to 1.0 Mbps
Williamson County DSL by Area
This information is most helpful to those looking for homes or considering moving to Williamson County or any of the areas nearby.
How does DSL internet in Williamson County compare to the rest of Texas?
DSL internet speeds in Williamson County are much faster versus the average speeds in Texas: 0.00 Mbps in Texas versus 68 Mbps in the county. The state has similar DSL availability compared to the county. Average DSL coverage in Texas is 0.00% versus 61.68% in Williamson County.
What zip codes have DSL internet?
DSL internet coverage varies by zip code and neighborhood. Some examples in or around Williamson County 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 counties?
Below are counties nearby and with similar populations. This comparison can be useful if living somewhere with fast internet is important to you.
Nearby Counties
- Burnet County, TX: less DSL coverage, slower speeds
- Llano County, TX: less DSL coverage, slower speeds
- Burleson County, TX: less DSL coverage, slower speeds
- Brazos County, TX: less DSL coverage, slower speeds
- Grimes County, TX: more DSL coverage, slower speeds
- Kimble County, TX: less DSL coverage, slower speeds
- San Jacinto County, TX: less DSL coverage, slower speeds
- Sutton County, TX: less DSL coverage, slower speeds
- Newton County, TX: less DSL coverage, slower speeds
- Allen Parish, LA: more DSL coverage, slower speeds
Counties with Similar Populations
- Will County, IL: more DSL coverage, slower speeds
- Tulsa County, OK: more DSL coverage, faster speeds
- Adams County, CO: more DSL coverage, faster speeds
- Kent County, MI: more DSL coverage, faster speeds
- Johnson County, KS: more DSL coverage, slower speeds
- Jefferson County, AL: more DSL coverage, slower speeds
- Washington County, OR: less DSL coverage, slower speeds
- Douglas County, NE: more DSL coverage, slower speeds
- Delaware County, PA: less DSL coverage, slower speeds
- Dane County, WI: more DSL coverage, slower speeds