In Rock County there are 4 residential DSL providers covering 82.94% of the county. The average home can get speeds up to 61 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 Rock County, WI.
To see availability maps for all providers including fiber, cable, DSL, and more in Rock County, WI please click below.
Rock County, WI Availability Maps
DSL Internet Service Providers in Rock 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 Rock County are not shown.
Rock 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 Rock County is DSL internet available?
DSL Internet Availability Key
DSL is available in 82.94% of Rock 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 Rock County above to see who has service at your home.
How fast is DSL internet in Rock County?
The map below shows maximum DSL internet speeds by area in Rock County.
DSL Internet Speed Key
The average Rock County home can get up to 61 Mbps on their DSL internet plan. The fastest DSL download speed in the county is 115 Mbps, which 1.22% of residents can get. Some homes and apartments do not have access to these speeds. On the slower end, for example, 20.96% of homes can only purchase plans up to 10 Mbps. See the internet provider details below for info about their speed and coverage in Rock County.
DSL internet speeds tend to be faster in the east parts of Rock County, and slower in the northwest areas of the county.
Is DSL the fastest internet I can get in Rock County?
The fastest internet for you may vary based on where in Rock County you live. In general, fiber competes most often with DSL in the county.
- Fiber is the fastest internet type for 54.40% of Rock County homes.
- Cable is fastest for 42.85% of the county.
- DSL is fastest for less than 1%.
- Fixed wireless is fastest for 2.00%.
- Satellite internet may be the only option for less than 1% of Rock County homes.
DSL Providers in Depth
Below you'll find which TV and internet providers offer service in Rock County, along with details on where in Rock County and at what speeds.
EarthLink DSL in Rock County, WI
EarthLink DSL coverage
About 68.70%, or 112,456 people, have EarthLink DSL internet available to them in the county. The company covers the entire Rock County area. EarthLink is one of the largest internet service providers internet service providers in the US, with internet service available in much of Rock County.
EarthLink DSL download speeds
EarthLink is below average when comparing download speeds to all other internet providers in Rock County. Versus other DSL providers in the area, EarthLink DSL is above average. There are 5 different maximum speeds throughout Rock County. The fastest plan anyone in Rock 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 Rock County customers is up to 66 Mbps.
Show all download speeds
- 40.3% up to 100.0 Mbps
- 14.9% up to 75.0 Mbps
- 22.9% up to 50.0 Mbps
- 5.3% up to 25.0 Mbps
- 16.7% up to 10.0 Mbps
EarthLink DSL upload speeds
In Rock 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 Rock 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 Rock 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 14 Mbps.
Show all upload speeds
- 55.1% up to 20.0 Mbps
- 22.9% up to 10.0 Mbps
- 5.3% up to 5.0 Mbps
- 16.7% up to 1.0 Mbps
AT&T DSL in Rock County, WI
AT&T DSL coverage
About 68.70%, or 112,456 people, have AT&T DSL internet available to them in the county. The company covers the entire Rock County area. AT&T is one of the largest internet service providers internet service providers in the US, with internet service available in much of Rock County.
AT&T DSL download speeds
AT&T is below average when comparing download speeds to all other internet providers in Rock County. Versus other DSL providers in the area, AT&T DSL is above average. There are 5 different maximum speeds throughout Rock County. The fastest plan anyone in Rock 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 Rock County customers is up to 66 Mbps.
Show all download speeds
- 40.3% up to 100.0 Mbps
- 14.9% up to 75.0 Mbps
- 22.9% up to 50.0 Mbps
- 5.3% up to 25.0 Mbps
- 16.7% up to 10.0 Mbps
AT&T DSL upload speeds
In Rock 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 Rock 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 Rock 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 14 Mbps.
Show all upload speeds
- 55.1% up to 20.0 Mbps
- 22.9% up to 10.0 Mbps
- 5.3% up to 5.0 Mbps
- 16.7% up to 1.0 Mbps
Brightspeed DSL in Rock County, WI
Brightspeed DSL coverage
About 9.17%, or 15,002 people, have Brightspeed DSL internet available to them in the county. The company covers the northeast, west, north, northwest, and east Rock 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 Rock County.
Brightspeed DSL download speeds
Brightspeed is the slowest when comparing download speeds to all other internet providers in Rock County. Versus other DSL providers in the area, Brightspeed DSL is the slowest. There are 5 different maximum speeds throughout Rock County. The fastest plan anyone in Rock 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 Rock County customers is up to 25 Mbps.
Show all download speeds
- 11.8% up to 100.0 Mbps
- 2.6% up to 80.0 Mbps
- 0.6% up to 60.0 Mbps
- 6.5% up to 40.0 Mbps
- 78.5% up to 10.0 Mbps
Brightspeed DSL upload speeds
In Rock 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 Rock 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 Rock 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 2.4 Mbps.
Show all upload speeds
- 14.4% up to 10.0 Mbps
- 0.6% up to 5.0 Mbps
- 6.5% up to 3.0 Mbps
- 78.5% up to 1.0 Mbps
Frontier Communications DSL in Rock County, WI
Frontier DSL coverage
About 6.30%, or 10,310 people, have Frontier DSL internet available to them in the county. The company covers the northwest, west, southwest, north, northeast, and southeast Rock County area. Frontier is one of the largest internet service providers internet service providers in the US, with internet service available in a very small piece of Rock County.
Frontier Communications DSL download speeds
Frontier is below average when comparing download speeds to all other internet providers in Rock County. Versus other DSL providers in the area, Frontier DSL is average. There are 5 different maximum speeds throughout Rock County. The fastest plan anyone in Rock County can order from Frontier goes up to 115 Mbps, the slowest package only goes up to 10 Mbps, and the county-wide average maximum speed for Rock County customers is up to 47 Mbps.
Show all download speeds
- 19.4% up to 115.0 Mbps
- 13.9% up to 90.0 Mbps
- 6.6% up to 70.0 Mbps
- 5.8% up to 45.0 Mbps
- 54.3% up to 10.0 Mbps
Frontier Communications DSL upload speeds
In Rock County download speeds tend to be faster than than upload speeds for Frontier DSL. Compared to other ISPs, Frontier is below average where upload speeds are concerned, and below average compared to other Rock County DSL providers. Frontier 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 Rock County is up to 7.0 Mbps. Some customers have slower plan choices, which only go up to 1.0 Mbps. On average, Frontier customers can get speeds up to 3.0 Mbps.
Show all upload speeds
- 19.4% up to 7.0 Mbps
- 13.9% up to 5.0 Mbps
- 12.4% up to 3.0 Mbps
- 54.3% up to 1.0 Mbps
Rock County DSL by Area
This information is most helpful to those looking for homes or considering moving to Rock County or any of the areas nearby.
How does DSL internet in Rock County compare to the rest of Wisconsin?
DSL internet speeds in Rock County are much faster versus the average speeds in Wisconsin: 0.00 Mbps in Wisconsin versus 61 Mbps in the county. The state has similar DSL availability compared to the county. Average DSL coverage in Wisconsin is 0.00% versus 82.94% in Rock County.
What zip codes have DSL internet?
DSL internet coverage varies by zip code and neighborhood. Some examples in or around Rock 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
- Walworth County, WI: less DSL coverage, slower speeds
- Green County, WI: less DSL coverage, faster speeds
- Lafayette County, WI: less DSL coverage, slower speeds
- Racine County, WI: more DSL coverage, faster speeds
- Kenosha County, WI: less DSL coverage, faster speeds
- Allegan County, MI: less DSL coverage, slower speeds
- Bremer County, IA: less DSL coverage, slower speeds
- Barry County, MI: less DSL coverage, slower speeds
- Butler County, IA: less DSL coverage, slower speeds
- Franklin County, IA: more DSL coverage, slower speeds
Counties with Similar Populations
- Porter County, IN: less DSL coverage, slower speeds
- Johnson County, IN: more DSL coverage, faster speeds
- Kenosha County, WI: less DSL coverage, faster speeds
- Aiken County, SC: less DSL coverage, slower speeds
- Kootenai County, ID: less DSL coverage, slower speeds
- Midland County, TX: less DSL coverage, faster speeds
- Monroe County, MI: less DSL coverage, slower speeds
- Monroe County, PA: less DSL coverage, slower speeds
- Olmsted County, MN: more DSL coverage, faster speeds
- Ouachita Parish, LA: less DSL coverage, slower speeds