In Iroquois there is 1 residential DSL provider covering 5.29% of the city. The average home can get speeds up to 45 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 Iroquois, SD.
To see availability maps for all providers including fiber, cable, DSL, and more in Iroquois, SD please click below.
Iroquois, SD Availability Maps
DSL Internet Service Provider in Iroquois
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 Iroquois are not shown.
Iroquois 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 Iroquois is DSL internet available?

DSL Internet Availability Key
DSL is available in 5.29% of Iroquois. 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 Iroquois above to see who has service at your home.
How fast is DSL internet in Iroquois?
The map below shows maximum DSL internet speeds by area in Iroquois.

DSL Internet Speed Key
The average Iroquois home can get up to 45 Mbps on their DSL internet plan. The fastest DSL download speed in the city is 60 Mbps, which 2.20% of residents can get. Some homes and apartments do not have access to these speeds. On the slower end, for example, less than 1% of homes can only purchase plans up to 10 Mbps. See the internet provider details below for info about their speed and coverage in Iroquois.
DSL internet speeds tend to be faster in the southeast parts of Iroquois, and slower in the east areas of the city.
Is DSL the fastest internet I can get in Iroquois?
The fastest internet for you may vary based on where in Iroquois you live. In general, fiber competes most often with DSL in the city.
- Fiber is the fastest internet type for 98.90% of Iroquois homes.
- Cable is fastest for less than 1% of the city.
- DSL is fastest for less than 1%.
- Fixed wireless is fastest for less than 1%.
- Satellite internet may be the only option for less than 1% of Iroquois homes.
DSL Providers in Depth
Below you'll find which TV and internet providers offer service in Iroquois, along with details on where in Iroquois and at what speeds.
Centurylink DSL in Iroquois, SD

Centurylink DSL coverage
About 5.29%, or 24 people, have Centurylink DSL internet available to them in the city. The company covers the northeast, southeast, and east Iroquois 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 Iroquois.
Centurylink DSL download speeds
Centurylink is the slowest when comparing download speeds to all other internet providers in Iroquois. Versus other DSL providers in the area, Centurylink DSL is the fastest. There are 3 different maximum speeds throughout Iroquois. The fastest plan anyone in Iroquois can order from Centurylink goes up to 60 Mbps, the slowest package only goes up to 10 Mbps, and the city-wide average maximum speed for Iroquois customers is up to 45 Mbps.
Show all download speeds
- 41.7% up to 60.0 Mbps
- 45.8% up to 40.0 Mbps
- 12.5% up to 10.0 Mbps
Centurylink DSL upload speeds
In Iroquois download speeds tend to be faster than than upload speeds for Centurylink DSL. Compared to other ISPs, Centurylink is the slowest where upload speeds are concerned, and the fastest compared to other Iroquois DSL providers. Centurylink offers 3 different upload speeds across the city, so your internet plan's upload speed may vary by neighborhood . The fastest upload speed available to anyone from this ISP in Iroquois 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 3.6 Mbps.
Show all upload speeds
- 41.7% up to 5.0 Mbps
- 45.8% up to 3.0 Mbps
- 12.5% up to 1.0 Mbps
Iroquois DSL by Area
This information is most helpful to those looking for homes or considering moving to Iroquois or any of the areas nearby.
How does DSL internet in Iroquois compare to the rest of South Dakota?
DSL internet speeds in Iroquois are much faster versus the average speeds in South Dakota: 0.00 Mbps in South Dakota versus 45 Mbps in the city. The state has similar DSL availability compared to the city. Average DSL coverage in South Dakota is 0.00% versus 5.29% in Iroquois.
What zip codes have DSL internet?
DSL internet coverage varies by zip code and neighborhood. Some examples in or around Iroquois 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 cities?
Below are cities nearby and with similar populations. This comparison can be useful if living somewhere with fast internet is important to you.
Nearby Cities
- Cavour, SD: more DSL coverage, slower speeds
- Bancroft, SD: more DSL coverage, slower speeds
- Yale, SD: more DSL coverage, slower speeds
- DeSmet, SD: more DSL coverage, slower speeds
- Riverside Colony, SD: more DSL coverage, slower speeds
- Morningside, SD: more DSL coverage, slower speeds
- Cloverleaf Colony, SD: more DSL coverage, slower speeds
- Huron, SD: more DSL coverage, slower speeds
- Erwin, SD: more DSL coverage, slower speeds
- Lake Preston, SD: more DSL coverage, slower speeds
Cities with Similar Populations
- Burlington, TX: more DSL coverage, faster speeds
- Cedarcreek, MO: more DSL coverage, faster speeds
- Cedar Springs, VA: more DSL coverage, slower speeds
- Carolina, WV: more DSL coverage, slower speeds
- Carlisle, MS: more DSL coverage, slower speeds
- Campo Seco, CA: more DSL coverage, slower speeds
- Camden, MO: more DSL coverage, slower speeds
- Bynum, NC: more DSL coverage, faster speeds
- Burna, KY: more DSL coverage, faster speeds
- Centerville, MO: more DSL coverage, faster speeds


