In Williamson County there are 3 residential DSL providers covering 66.37% of the county. The average home can get speeds up to 57 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, TN.
To see availability maps for all providers including fiber, cable, DSL, and more in Williamson County, TN please click below.
Williamson County, TN 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 66.37% 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 57 Mbps on their DSL internet plan. The fastest DSL download speed in the county is 100 Mbps, which 21.35% of residents can get. Some homes and apartments do not have access to these speeds. On the slower end, for example, 8.98% 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 north parts of Williamson County, and slower in the southeast 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 73.91% of Williamson County homes.
- Cable is fastest for 25.68% of the county.
- DSL is fastest for less than 1%.
- Fixed wireless is fastest for less than 1%.
- 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.
AT&T DSL in Williamson County, TN
AT&T DSL coverage
About 59.72%, or 147,935 people, have AT&T DSL internet available to them in the county. The company covers the entire 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 61 Mbps.
Show all download speeds
- 35.8% up to 100.0 Mbps
- 10.9% up to 75.0 Mbps
- 23.4% up to 50.0 Mbps
- 14.2% up to 25.0 Mbps
- 15.8% 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 13 Mbps.
Show all upload speeds
- 46.7% up to 20.0 Mbps
- 23.4% up to 10.0 Mbps
- 14.2% up to 5.0 Mbps
- 15.8% up to 1.0 Mbps
EarthLink DSL in Williamson County, TN
EarthLink DSL coverage
About 59.72%, or 147,935 people, have EarthLink DSL internet available to them in the county. The company covers the entire 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 61 Mbps.
Show all download speeds
- 35.8% up to 100.0 Mbps
- 10.9% up to 75.0 Mbps
- 23.4% up to 50.0 Mbps
- 14.2% up to 25.0 Mbps
- 15.8% 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 13 Mbps.
Show all upload speeds
- 46.7% up to 20.0 Mbps
- 23.4% up to 10.0 Mbps
- 14.2% up to 5.0 Mbps
- 15.8% up to 1.0 Mbps
United Communications DSL in Williamson County, TN
United Communications DSL coverage
About 8.16%, or 20,208 people, have United Communications DSL internet available to them in the county. The company covers the northeast, southeast, and east Williamson County area. United Communications is a large internet service provider internet service providers in the US, with internet service available in a very small piece of Williamson County.
United Communications DSL download speeds
United Communications is the slowest when comparing download speeds to all other internet providers in Williamson County. Versus other DSL providers in the area, United Communications DSL is the slowest. There are no different maximum speeds throughout Williamson County. The fastest plan anyone in Williamson County can order from United Communications goes up to 25 Mbps, and all Williamson County customers can get this speed.
Show all download speeds
- 100.0% up to 25.0 Mbps
United Communications DSL upload speeds
In Williamson County download speeds tend to be faster than than upload speeds for United Communications DSL. Compared to other ISPs, United Communications is the slowest where upload speeds are concerned, and the slowest compared to other Williamson County DSL providers. United Communications offers no different upload speeds across the county. The fastest upload speed available to anyone from this ISP in Williamson County is up to 3.0 Mbps, which is available to everyone covered.
Show all upload speeds
- 100.0% up to 3.0 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 Tennessee?
DSL internet speeds in Williamson County are much faster versus the average speeds in Tennessee: 0.00 Mbps in Tennessee versus 57 Mbps in the county. The state has similar DSL availability compared to the county. Average DSL coverage in Tennessee is 0.00% versus 66.37% 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
- Rutherford County, TN: more DSL coverage, slower speeds
- Hickman County, TN: less DSL coverage, slower speeds
- Humphreys County, TN: less DSL coverage, slower speeds
- DeKalb County, TN: less DSL coverage, slower speeds
- Benton County, TN: less DSL coverage, slower speeds
- White County, TN: less DSL coverage, slower speeds
- Carroll County, TN: less DSL coverage, slower speeds
- Cumberland County, TN: more DSL coverage, slower speeds
- Gibson County, TN: more DSL coverage, slower speeds
- Morgan County, TN: less DSL coverage, slower speeds
Counties with Similar Populations
- Buncombe County, NC: more DSL coverage, faster speeds
- Weber County, UT: more DSL coverage, faster speeds
- Cass County, ND: more DSL coverage, slower speeds
- Champaign County, IL: more DSL coverage, faster speeds
- Charlotte County, FL: more DSL coverage, faster speeds
- Chatham County, GA: less DSL coverage, slower speeds
- Chesapeake City, VA: less DSL coverage, slower speeds
- Trumbull County, OH: more DSL coverage, slower speeds
- Clay County, FL: more DSL coverage, faster speeds
- Clay County, MO: more DSL coverage, faster speeds