In Iowa there are 3 residential DSL providers covering 79.34% of the state. The average home can get speeds up to 64 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 Iowa.
To see availability maps for all providers including fiber, cable, DSL, and more in Iowa please click below.
DSL Internet Service Providers in Iowa
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 Iowa are not shown.
Iowa 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 Iowa is DSL internet available?
DSL Internet Availability Key
DSL is available in 79.34% of Iowa. Areas in green have DSL internet service, where areas in yellow or red may not. The most widely available provider is Centurylink. Call one of the companies with service in Iowa above to see who has service at your home.
How fast is DSL internet in Iowa?
The map below shows maximum DSL internet speeds by area in Iowa.
DSL Internet Speed Key
The average Iowa home can get up to 64 Mbps on their DSL internet plan. The fastest DSL download speed in the state is 300 Mbps, which less than 1% of residents can get. Some homes and apartments do not have access to these speeds. On the slower end, for example, 30.55% of homes can only purchase plans up to 10 Mbps. See the internet provider details below for info about their speed and coverage in Iowa.
DSL internet speeds tend to be faster in the south parts of Iowa, and slower in the north areas of the state.
Is DSL the fastest internet I can get in Iowa?
The fastest internet for you may vary based on where in Iowa you live. In general, fiber competes most often with DSL in the state.
- Fiber is the fastest internet type for 76.45% of Iowa homes.
- Cable is fastest for 13.54% of the state.
- DSL is fastest for less than 1%.
- Fixed wireless is fastest for 8.13%.
- Satellite internet may be the only option for 1.20% of Iowa homes.
DSL Providers in Depth
Below you'll find which TV and internet providers offer service in Iowa, along with details on where in Iowa and at what speeds.
Centurylink DSL in Iowa
Centurylink DSL coverage
About 61.59%, or 1,964,972 people, have Centurylink DSL internet available to them in the state. The company covers the entire Iowa area. Centurylink is one of the largest internet service providers internet service providers in the US, with internet service available in a majority of Iowa.
Centurylink DSL download speeds
Centurylink is below average when comparing download speeds to all other internet providers in Iowa. Versus other DSL providers in the area, Centurylink DSL is above average. There are 7 different maximum speeds throughout Iowa. The fastest plan anyone in Iowa can order from Centurylink goes up to 140 Mbps, the slowest package only goes up to 10 Mbps, and the state-wide average maximum speed for Iowa customers is up to 56 Mbps.
Show all download speeds
- 8.8% up to 140.0 Mbps
- 0.1% up to 120.0 Mbps
- 24.4% up to 100.0 Mbps
- 11.1% up to 80.0 Mbps
- 3.1% up to 60.0 Mbps
- 11.3% up to 40.0 Mbps
- 41.2% up to 10.0 Mbps
Centurylink DSL upload speeds
In Iowa 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 average compared to other Iowa DSL providers. Centurylink offers 8 different upload speeds across the state, so your internet plan's upload speed may vary by neighborhood . The fastest upload speed available to anyone from this ISP in Iowa is up to 100 Mbps. Some customers have slower plan choices, which only go up to 1.0 Mbps. On average, Centurylink customers can get speeds up to 7.2 Mbps.
Show all upload speeds
- 0.5% up to 100.0 Mbps
- 0.1% up to 50.0 Mbps
- 1.5% up to 40.0 Mbps
- 8.7% up to 20.0 Mbps
- 33.5% up to 10.0 Mbps
- 3.3% up to 5.0 Mbps
- 11.1% up to 3.0 Mbps
- 41.2% up to 1.0 Mbps
Windstream DSL in Iowa
Windstream DSL coverage
About 14.57%, or 464,901 people, have Windstream DSL internet available to them in the state. The company covers the entire Iowa 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 Iowa.
Windstream DSL download speeds
Windstream is below average when comparing download speeds to all other internet providers in Iowa. Versus other DSL providers in the area, Windstream DSL is above average. There are 6 different maximum speeds throughout Iowa. The fastest plan anyone in Iowa can order from Windstream goes up to 300 Mbps, the slowest package only goes up to 10 Mbps, and the state-wide average maximum speed for Iowa customers is up to 100 Mbps.
Show all download speeds
- 1.9% up to 300.0 Mbps
- 26.7% up to 200.0 Mbps
- 33.0% up to 100.0 Mbps
- 10.4% up to 50.0 Mbps
- 1.6% up to 25.0 Mbps
- 26.5% up to 10.0 Mbps
Windstream DSL upload speeds
In Iowa 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 above average compared to other Iowa DSL providers. Windstream offers 20 different upload speeds across the state, so your internet plan's upload speed may vary by neighborhood . The fastest upload speed available to anyone from this ISP in Iowa is up to 83 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
- 2.6% up to 83.0 Mbps
- 0.0% up to 80.0 Mbps
- 0.5% up to 69.0 Mbps
- 0.0% up to 60.0 Mbps
- 33.7% up to 52.0 Mbps
- 0.6% up to 50.0 Mbps
- 0.1% up to 40.0 Mbps
- 8.6% up to 32.0 Mbps
- 0.0% up to 30.0 Mbps
- 8.4% up to 23.0 Mbps
- 0.0% up to 22.0 Mbps
- 0.4% up to 20.0 Mbps
- 6.3% up to 17.0 Mbps
- 0.3% up to 15.0 Mbps
- 5.5% up to 12.0 Mbps
- 0.2% up to 10.0 Mbps
- 0.0% up to 9.0 Mbps
- 0.0% up to 6.0 Mbps
- 6.3% up to 3.0 Mbps
- 26.5% up to 1.0 Mbps
Frontier Communications DSL in Iowa
Frontier DSL coverage
About 2.26%, or 72,070 people, have Frontier DSL internet available to them in the state. The company covers the northwest, north, west, southwest, central, and northeast Iowa 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 Iowa.
Frontier Communications DSL download speeds
Frontier is below average when comparing download speeds to all other internet providers in Iowa. Versus other DSL providers in the area, Frontier DSL is average. There are 5 different maximum speeds throughout Iowa. The fastest plan anyone in Iowa can order from Frontier goes up to 115 Mbps, the slowest package only goes up to 10 Mbps, and the state-wide average maximum speed for Iowa customers is up to 32 Mbps.
Show all download speeds
- 8.3% up to 115.0 Mbps
- 7.9% up to 90.0 Mbps
- 4.5% up to 70.0 Mbps
- 13.0% up to 45.0 Mbps
- 66.3% up to 10.0 Mbps
Frontier Communications DSL upload speeds
In Iowa 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 Iowa DSL providers. Frontier offers 4 different upload speeds across the state, so your internet plan's upload speed may vary by neighborhood . The fastest upload speed available to anyone from this ISP in Iowa 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 2.2 Mbps.
Show all upload speeds
- 8.3% up to 7.0 Mbps
- 7.9% up to 5.0 Mbps
- 17.5% up to 3.0 Mbps
- 66.3% up to 1.0 Mbps
Iowa DSL by Area
This information is most helpful to those looking for homes or considering moving to Iowa or any of the areas nearby.
How does DSL internet in Iowa compare to the rest of the United States?
DSL internet speeds in Iowa are much faster versus the average speeds in the United States: 0.00 Mbps in the United States versus 64 Mbps in the state. The nation has similar DSL availability compared to the state. Average DSL coverage in the United States is 0.00% versus 79.34% in Iowa.
What zip codes have DSL internet?
DSL internet coverage varies by zip code and neighborhood. Some examples in or around Iowa 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 states?
Below are states nearby and with similar populations. This comparison can be useful if living somewhere with fast internet is important to you.
Nearby States
- Wisconsin: less DSL coverage, slower speeds
- Minnesota: more DSL coverage, faster speeds
- Illinois: more DSL coverage, faster speeds
- Missouri: less DSL coverage, slower speeds
- Nebraska: more DSL coverage, faster speeds
- South Dakota: less DSL coverage, slower speeds
- Kansas: less DSL coverage, slower speeds
- Indiana: less DSL coverage, slower speeds
- Michigan: less DSL coverage, slower speeds
- Kentucky: less DSL coverage, faster speeds
States with Similar Populations
- Mississippi: less DSL coverage, slower speeds
- Montana: more DSL coverage, slower speeds
- Nevada: more DSL coverage, slower speeds
- New Hampshire: less DSL coverage, slower speeds
- New Mexico: more DSL coverage, faster speeds
- Ohio: less DSL coverage, slower speeds
- Oklahoma: less DSL coverage, slower speeds
- Puerto Rico: less DSL coverage, slower speeds
- Alaska: more DSL coverage, slower speeds
- South Carolina: less DSL coverage, slower speeds