In Adams County there are 2 residential DSL providers covering 58.72% of the county. The average home can get speeds up to 29 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 Adams County, IA.
To see availability maps for all providers including fiber, cable, DSL, and more in Adams County, IA please click below.
Adams County, IA Availability Maps
DSL Internet Service Providers in Adams 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 Adams County are not shown.
Adams 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 Adams County is DSL internet available?
DSL Internet Availability Key
DSL is available in 58.72% of Adams 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 Adams County above to see who has service at your home.
How fast is DSL internet in Adams County?
The map below shows maximum DSL internet speeds by area in Adams County.
DSL Internet Speed Key
The average Adams County home can get up to 29 Mbps on their DSL internet plan. The fastest DSL download speed in the county is 200 Mbps, which 4.59% of residents can get. Some homes and apartments do not have access to these speeds. On the slower end, for example, 50.65% of homes can only purchase plans up to 10 Mbps. See the internet provider details below for info about their speed and coverage in Adams County.
DSL internet speeds tend to be faster in the east parts of Adams County, and slower in the west areas of the county.
Is DSL the fastest internet I can get in Adams County?
The fastest internet for you may vary based on where in Adams County you live. In general, cable competes most often with DSL in the county.
- Fiber is the fastest internet type for 18.68% of Adams County homes.
- Cable is fastest for 38.12% of the county.
- DSL is fastest for 8.96%.
- Fixed wireless is fastest for 29.51%.
- Satellite internet may be the only option for 4.72% of Adams County homes.
DSL Providers in Depth
Below you'll find which TV and internet providers offer service in Adams County, along with details on where in Adams County and at what speeds.
Frontier Communications DSL in Adams County, IA
Frontier DSL coverage
About 47.38%, or 1,755 people, have Frontier DSL internet available to them in the county. The company covers the central, west, southwest, southeast, south, northwest, east, and north Adams County area. Frontier is one of the largest internet service providers internet service providers in the US, with internet service available in some of Adams County.
Frontier Communications DSL download speeds
Frontier is the slowest when comparing download speeds to all other internet providers in Adams County. Versus other DSL providers in the area, Frontier DSL is the slowest. There are 4 different maximum speeds throughout Adams County. The fastest plan anyone in Adams 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 Adams County customers is up to 12 Mbps.
Show all download speeds
- 0.2% up to 115.0 Mbps
- 1.8% up to 90.0 Mbps
- 0.7% up to 70.0 Mbps
- 97.3% up to 10.0 Mbps
Frontier Communications DSL upload speeds
In Adams County download speeds tend to be faster than than upload speeds for Frontier DSL. Compared to other ISPs, Frontier is the slowest where upload speeds are concerned, and the slowest compared to other Adams 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 Adams 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 1.1 Mbps.
Show all upload speeds
- 0.2% up to 7.0 Mbps
- 1.8% up to 5.0 Mbps
- 0.7% up to 3.0 Mbps
- 97.3% up to 1.0 Mbps
Windstream DSL in Adams County, IA
Windstream DSL coverage
About 11.53%, or 427 people, have Windstream DSL internet available to them in the county. The company covers the northeast, east, southeast, north, and central Adams County area. Windstream is one of the largest internet service providers internet service providers in the US, with internet service available in a very small piece of Adams County.
Windstream DSL download speeds
Windstream is below average when comparing download speeds to all other internet providers in Adams County. Versus other DSL providers in the area, Windstream DSL is the fastest. There are 5 different maximum speeds throughout Adams County. The fastest plan anyone in Adams 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 Adams County customers is up to 98 Mbps.
Show all download speeds
- 39.8% up to 200.0 Mbps
- 10.1% up to 100.0 Mbps
- 6.3% up to 50.0 Mbps
- 4.2% up to 25.0 Mbps
- 39.6% up to 10.0 Mbps
Windstream DSL upload speeds
In Adams 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 Adams County DSL providers. Windstream 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 Adams 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 27 Mbps.
Show all upload speeds
- 49.9% up to 52.0 Mbps
- 5.2% up to 12.0 Mbps
- 5.4% up to 3.0 Mbps
- 39.6% up to 1.0 Mbps
Adams County DSL by Area
This information is most helpful to those looking for homes or considering moving to Adams County or any of the areas nearby.
How does DSL internet in Adams County compare to the rest of Iowa?
DSL internet speeds in Adams County are much faster versus the average speeds in Iowa: 0.00 Mbps in Iowa versus 29 Mbps in the county. The state has similar DSL availability compared to the county. Average DSL coverage in Iowa is 0.00% versus 58.72% in Adams County.
What zip codes have DSL internet?
DSL internet coverage varies by zip code and neighborhood. Some examples in or around Adams 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
- Union County, IA: more DSL coverage, faster speeds
- Montgomery County, IA: less DSL coverage, slower speeds
- Clarke County, IA: more DSL coverage, faster speeds
- Mills County, IA: more DSL coverage, faster speeds
- Sarpy County, NE: more DSL coverage, faster speeds
- Cass County, NE: more DSL coverage, faster speeds
- Lucas County, IA: more DSL coverage, faster speeds
- Saunders County, NE: more DSL coverage, faster speeds
- Monroe County, IA: more DSL coverage, faster speeds
- Wapello County, IA: more DSL coverage, faster speeds
Counties with Similar Populations
- Culebra Municipio, PR: more DSL coverage, slower speeds
- Lemhi County, ID: more DSL coverage, slower speeds
- Vieques Municipio, PR: less DSL coverage, slower speeds
- Cook County, MN: more DSL coverage, faster speeds
- Presidio County, TX: less DSL coverage, slower speeds
- Rosebud County, MT: more DSL coverage, slower speeds
- Modoc County, CA: less DSL coverage, faster speeds
- Culberson County, TX: more DSL coverage, faster speeds
- Swift County, MN: less DSL coverage, faster speeds
- Grant County, SD: more DSL coverage, slower speeds