In Clayton County there are 3 residential DSL providers covering 23.32% of the county. The average home can get speeds up to 93 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 Clayton County, IA.
To see availability maps for all providers including fiber, cable, DSL, and more in Clayton County, IA please click below.
Clayton County, IA Availability Maps
DSL Internet Service Providers in Clayton 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 Clayton County are not shown.
Clayton 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 Clayton County is DSL internet available?

DSL Internet Availability Key
DSL is available in 23.32% of Clayton County. Areas in green have DSL internet service, where areas in yellow or red may not. The most widely available provider is Windstream. Call one of the companies with service in Clayton County above to see who has service at your home.
How fast is DSL internet in Clayton County?
The map below shows maximum DSL internet speeds by area in Clayton County.

DSL Internet Speed Key
The average Clayton County home can get up to 93 Mbps on their DSL internet plan. The fastest DSL download speed in the county is 200 Mbps, which 6.85% of residents can get. Some homes and apartments do not have access to these speeds. On the slower end, for example, 6.58% of homes can only purchase plans up to 10 Mbps. See the internet provider details below for info about their speed and coverage in Clayton County.
DSL internet speeds tend to be faster in the west parts of Clayton County, and slower in the east areas of the county.
Is DSL the fastest internet I can get in Clayton County?
The fastest internet for you may vary based on where in Clayton County you live. In general, fiber competes most often with DSL in the county.
- Fiber is the fastest internet type for 59.89% of Clayton County homes.
- Cable is fastest for 32.00% of the county.
- DSL is fastest for less than 1%.
- Fixed wireless is fastest for 7.80%.
- Satellite internet may be the only option for less than 1% of Clayton County homes.
DSL Providers in Depth
Below you'll find which TV and internet providers offer service in Clayton County, along with details on where in Clayton County and at what speeds.
Windstream DSL in Clayton County, IA

Windstream DSL coverage
About 18.93%, or 3,227 people, have Windstream DSL internet available to them in the county. The company covers the southwest, south, southeast, and west Clayton County area. Windstream is one of the largest internet service providers internet service providers in the US, with internet service available in a small portion of Clayton County.
Windstream DSL download speeds
Windstream is below average when comparing download speeds to all other internet providers in Clayton County. Versus other DSL providers in the area, Windstream DSL is the fastest. There are 5 different maximum speeds throughout Clayton County. The fastest plan anyone in Clayton County can order from Windstream goes up to 200 Mbps, the slowest package only goes up to 10 Mbps, and the county-wide average maximum speed for Clayton County customers is up to 107 Mbps.
Show all download speeds
- 36.2% up to 200.0 Mbps
- 27.1% up to 100.0 Mbps
- 9.4% up to 50.0 Mbps
- 2.1% up to 25.0 Mbps
- 25.2% up to 10.0 Mbps
Windstream DSL upload speeds
In Clayton County download speeds tend to be faster than than upload speeds for Windstream DSL. Compared to other ISPs, Windstream is below average where upload speeds are concerned, and the fastest compared to other Clayton County DSL providers. Windstream offers 8 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 Clayton County is up to 52 Mbps. Some customers have slower plan choices, which only go up to 1.0 Mbps. On average, Windstream customers can get speeds up to 28 Mbps.
Show all upload speeds
- 42.2% up to 52.0 Mbps
- 0.4% up to 50.0 Mbps
- 6.5% up to 32.0 Mbps
- 3.8% up to 23.0 Mbps
- 10.3% up to 17.0 Mbps
- 3.8% up to 12.0 Mbps
- 7.7% up to 3.0 Mbps
- 25.2% up to 1.0 Mbps
Centurylink DSL in Clayton County, IA

Centurylink DSL coverage
About 2.94%, or 501 people, have Centurylink DSL internet available to them in the county. The company covers the northwest and southeast Clayton County area. Centurylink is one of the largest internet service providers internet service providers in the US, with internet service available in a very small piece of Clayton County.
Centurylink DSL download speeds
Centurylink is below average when comparing download speeds to all other internet providers in Clayton County. Versus other DSL providers in the area, Centurylink DSL is below average. There are 3 different maximum speeds throughout Clayton County. The fastest plan anyone in Clayton County can order from Centurylink goes up to 60 Mbps, the slowest package only goes up to 10 Mbps, and the county-wide average maximum speed for Clayton County customers is up to 33 Mbps.
Show all download speeds
- 23.4% up to 60.0 Mbps
- 37.3% up to 40.0 Mbps
- 39.3% up to 10.0 Mbps
Centurylink DSL upload speeds
In Clayton County download speeds tend to be faster than than upload speeds for Centurylink DSL. Compared to other ISPs, Centurylink is below average where upload speeds are concerned, and the slowest compared to other Clayton County DSL providers. Centurylink offers 3 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 Clayton County is up to 5.0 Mbps. Some customers have slower plan choices, which only go up to 1.0 Mbps. On average, Centurylink customers can get speeds up to 2.7 Mbps.
Show all upload speeds
- 23.4% up to 5.0 Mbps
- 37.3% up to 3.0 Mbps
- 39.3% up to 1.0 Mbps
Alpine Communications DSL in Clayton County, IA

Alpine Communications DSL coverage
About 1.44%, or 246 people, have Alpine Communications DSL internet available to them in the county. The company covers the east, central, and northeast Clayton County area. Alpine Communications is a large internet service provider internet service providers in the US, with internet service available in a very small piece of Clayton County.
Alpine Communications DSL download speeds
Alpine Communications is below average when comparing download speeds to all other internet providers in Clayton County. Versus other DSL providers in the area, Alpine Communications DSL is the slowest. There are 2 different maximum speeds throughout Clayton County. The fastest plan anyone in Clayton County can order from Alpine Communications goes up to 50 Mbps, the slowest package only goes up to 10 Mbps, and the county-wide average maximum speed for Clayton County customers is up to 32 Mbps.
Show all download speeds
- 54.1% up to 50.0 Mbps
- 45.9% up to 10.0 Mbps
Alpine Communications DSL upload speeds
In Clayton County download speeds tend to be faster than than upload speeds for Alpine Communications DSL. Compared to other ISPs, Alpine Communications is below average where upload speeds are concerned, and below average compared to other Clayton County DSL providers. Alpine Communications offers 2 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 Clayton County is up to 10 Mbps. Some customers have slower plan choices, which only go up to 1.0 Mbps. On average, Alpine Communications customers can get speeds up to 5.9 Mbps.
Show all upload speeds
- 54.1% up to 10.0 Mbps
- 45.9% up to 1.0 Mbps
Clayton County DSL by Area
This information is most helpful to those looking for homes or considering moving to Clayton County or any of the areas nearby.
How does DSL internet in Clayton County compare to the rest of Iowa?
DSL internet speeds in Clayton County are much faster versus the average speeds in Iowa: 0.00 Mbps in Iowa versus 93 Mbps in the county. The state has similar DSL availability compared to the county. Average DSL coverage in Iowa is 0.00% versus 23.32% in Clayton County.
What zip codes have DSL internet?
DSL internet coverage varies by zip code and neighborhood. Some examples in or around Clayton 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
- Fayette County, IA: more DSL coverage, slower speeds
- Grant County, WI: more DSL coverage, slower speeds
- Bremer County, IA: more DSL coverage, slower speeds
- Iowa County, WI: more DSL coverage, slower speeds
- Butler County, IA: more DSL coverage, slower speeds
- Franklin County, IA: more DSL coverage, slower speeds
- Wright County, IA: more DSL coverage, slower speeds
- Humboldt County, IA: more DSL coverage, slower speeds
- Pocahontas County, IA: more DSL coverage, slower speeds
- Racine County, WI: more DSL coverage, slower speeds
Counties with Similar Populations
- Hamilton County, IA: more DSL coverage, slower speeds
- Shoshone County, ID: more DSL coverage, slower speeds
- Grundy County, TN: less DSL coverage, slower speeds
- Guanica Municipio, PR: more DSL coverage, slower speeds
- Guayanilla Municipio, PR: more DSL coverage, slower speeds
- Gulf County, FL: more DSL coverage, slower speeds
- Gunnison County, CO: more DSL coverage, slower speeds
- Guthrie County, IA: more DSL coverage, slower speeds
- Hale County, AL: more DSL coverage, slower speeds
- Hamilton County, FL: more DSL coverage, faster speeds


