In Union County there is 1 residential DSL provider covering 83.61% of the county. The average home can get speeds up to 66 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 Union County, IA.
To see availability maps for all providers including fiber, cable, DSL, and more in Union County, IA please click below.
Union County, IA Availability Maps
DSL Internet Service Provider in Union 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 Union County are not shown.
Union 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 Union County is DSL internet available?
DSL Internet Availability Key
DSL is available in 83.61% of Union 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 Union County above to see who has service at your home.
How fast is DSL internet in Union County?
The map below shows maximum DSL internet speeds by area in Union County.
DSL Internet Speed Key
The average Union County home can get up to 66 Mbps on their DSL internet plan. The fastest DSL download speed in the county is 300 Mbps, which 1.10% of residents can get. Some homes and apartments do not have access to these speeds. On the slower end, for example, 36.07% of homes can only purchase plans up to 10 Mbps. See the internet provider details below for info about their speed and coverage in Union County.
DSL internet speeds tend to be faster in the east parts of Union County, and slower in the northeast areas of the county.
Is DSL the fastest internet I can get in Union County?
The fastest internet for you may vary based on where in Union County you live. In general, fiber competes most often with DSL in the county.
- Fiber is the fastest internet type for 49.39% of Union County homes.
- Cable is fastest for 31.62% of the county.
- DSL is fastest for 2.50%.
- Fixed wireless is fastest for 14.51%.
- Satellite internet may be the only option for 1.99% of Union County homes.
DSL Providers in Depth
Below you'll find which TV and internet providers offer service in Union County, along with details on where in Union County and at what speeds.
Windstream DSL in Union County, IA
Windstream DSL coverage
About 83.61%, or 10,149 people, have Windstream DSL internet available to them in the county. The company covers the entire Union County area. Windstream is one of the largest internet service providers internet service providers in the US, with internet service available in much of Union County.
Windstream DSL download speeds
Windstream is below average when comparing download speeds to all other internet providers in Union County. Versus other DSL providers in the area, Windstream DSL is the fastest. There are 6 different maximum speeds throughout Union County. The fastest plan anyone in Union County can order from Windstream goes up to 300 Mbps, the slowest package only goes up to 10 Mbps, and the county-wide average maximum speed for Union County customers is up to 66 Mbps.
Show all download speeds
- 1.3% up to 300.0 Mbps
- 10.8% up to 200.0 Mbps
- 28.5% up to 100.0 Mbps
- 14.4% up to 50.0 Mbps
- 1.9% up to 25.0 Mbps
- 43.1% up to 10.0 Mbps
Windstream DSL upload speeds
In Union 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 Union County DSL providers. Windstream offers 12 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 Union County 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 16 Mbps.
Show all upload speeds
- 1.3% up to 83.0 Mbps
- 14.6% up to 52.0 Mbps
- 0.2% up to 50.0 Mbps
- 7.2% up to 32.0 Mbps
- 10.1% up to 23.0 Mbps
- 6.9% up to 17.0 Mbps
- 0.2% up to 15.0 Mbps
- 7.3% up to 12.0 Mbps
- 0.2% up to 10.0 Mbps
- 0.1% up to 6.0 Mbps
- 8.7% up to 3.0 Mbps
- 43.1% up to 1.0 Mbps
Union County DSL by Area
This information is most helpful to those looking for homes or considering moving to Union County or any of the areas nearby.
How does DSL internet in Union County compare to the rest of Iowa?
DSL internet speeds in Union County are much faster versus the average speeds in Iowa: 0.00 Mbps in Iowa versus 66 Mbps in the county. The state has similar DSL availability compared to the county. Average DSL coverage in Iowa is 0.00% versus 83.61% in Union County.
What zip codes have DSL internet?
DSL internet coverage varies by zip code and neighborhood. Some examples in or around Union 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
- Adams County, IA: less DSL coverage, slower speeds
- Clarke County, IA: less DSL coverage, faster speeds
- Montgomery County, IA: less DSL coverage, slower speeds
- Lucas County, IA: less DSL coverage, faster speeds
- Mills County, IA: more DSL coverage, slower speeds
- Monroe County, IA: more DSL coverage, faster speeds
- Sarpy County, NE: more DSL coverage, faster speeds
- Cass County, NE: more DSL coverage, faster speeds
- Wapello County, IA: more DSL coverage, slower speeds
- Saunders County, NE: less DSL coverage, faster speeds
Counties with Similar Populations
- Prince Edward County, VA: less DSL coverage, slower speeds
- Johnson County, WY: more DSL coverage, slower speeds
- Johnston County, OK: less DSL coverage, slower speeds
- Jones County, IA: less DSL coverage, slower speeds
- Jones County, NC: more DSL coverage, slower speeds
- Jones County, TX: less DSL coverage, slower speeds
- Juab County, UT: more DSL coverage, slower speeds
- Kalkaska County, MI: less DSL coverage, slower speeds
- Kanabec County, MN: more DSL coverage, slower speeds
- Kane County, UT: less DSL coverage, slower speeds