In Casselton there is 1 residential DSL provider covering 99.03% of the city. The average home can get speeds up to 11 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 Casselton, ND.
To see availability maps for all providers including fiber, cable, DSL, and more in Casselton, ND please click below.
Casselton, ND Availability Maps
DSL Internet Service Provider in Casselton
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 Casselton are not shown.
Casselton 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 Casselton is DSL internet available?

DSL Internet Availability Key
DSL is available in 99.03% of Casselton. 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 Casselton above to see who has service at your home.
How fast is DSL internet in Casselton?
The map below shows maximum DSL internet speeds by area in Casselton.

DSL Internet Speed Key
The average Casselton home can get up to 11 Mbps on their DSL internet plan. The fastest DSL download speed in the city is 100 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, 97.52% of homes can only purchase plans up to 10 Mbps. See the internet provider details below for info about their speed and coverage in Casselton.
DSL internet speeds tend to be faster in the southwest parts of Casselton, and slower in the southeast areas of the city.
Is DSL the fastest internet I can get in Casselton?
The fastest internet for you may vary based on where in Casselton you live. In general, fiber competes most often with DSL in the city.
- Fiber is the fastest internet type for 96.75% of Casselton homes.
- Cable is fastest for less than 1% of the city.
- DSL is fastest for less than 1%.
- Fixed wireless is fastest for 2.98%.
- Satellite internet may be the only option for less than 1% of Casselton homes.
DSL Providers in Depth
Below you'll find which TV and internet providers offer service in Casselton, along with details on where in Casselton and at what speeds.
Centurylink DSL in Casselton, ND

Centurylink DSL coverage
About 99.03%, or 2,560 people, have Centurylink DSL internet available to them in the city. The company covers the entire Casselton area. Centurylink is one of the largest internet service providers internet service providers in the US, with internet service available in most of Casselton.
Centurylink DSL download speeds
Centurylink is the slowest when comparing download speeds to all other internet providers in Casselton. Versus other DSL providers in the area, Centurylink DSL is the fastest. There are 3 different maximum speeds throughout Casselton. The fastest plan anyone in Casselton can order from Centurylink goes up to 100 Mbps, the slowest package only goes up to 10 Mbps, and the city-wide average maximum speed for Casselton customers is up to 11 Mbps.
Show all download speeds
- 0.7% up to 100.0 Mbps
- 0.8% up to 60.0 Mbps
- 98.5% up to 10.0 Mbps
Centurylink DSL upload speeds
In Casselton 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 Casselton 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 Casselton is up to 10 Mbps. Some customers have slower plan choices, which only go up to 1.0 Mbps. On average, Centurylink customers can get speeds up to 1.1 Mbps.
Show all upload speeds
- 0.7% up to 10.0 Mbps
- 0.8% up to 5.0 Mbps
- 98.5% up to 1.0 Mbps
Casselton DSL by Area
This information is most helpful to those looking for homes or considering moving to Casselton or any of the areas nearby.
How does DSL internet in Casselton compare to the rest of North Dakota?
DSL internet speeds in Casselton are much faster versus the average speeds in North Dakota: 0.00 Mbps in North Dakota versus 11 Mbps in the city. The state has similar DSL availability compared to the city. Average DSL coverage in North Dakota is 0.00% versus 99.03% in Casselton.
What zip codes have DSL internet?
DSL internet coverage varies by zip code and neighborhood. Some examples in or around Casselton 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
- Mapleton, ND: less DSL coverage, faster speeds
- Wheatland, ND: less DSL coverage, faster speeds
- Amenia, ND: less DSL coverage, faster speeds
- Lynchburg, ND: less DSL coverage, faster speeds
- Prosper, ND: less DSL coverage, faster speeds
- Absaraka, ND: less DSL coverage, slower speeds
- Chaffee, ND: less DSL coverage, faster speeds
- Davenport, ND: less DSL coverage, faster speeds
- Arthur, ND: less DSL coverage, slower speeds
- West Fargo, ND: less DSL coverage, faster speeds
Cities with Similar Populations
- Candor, NC: less DSL coverage, faster speeds
- Battle Lake, MN: less DSL coverage, faster speeds
- Yemassee, SC: less DSL coverage, faster speeds
- Whites Crossing, PA: less DSL coverage, slower speeds
- Westworth Village, TX: less DSL coverage, faster speeds
- Tilton, IL: less DSL coverage, faster speeds
- Springwater, NY: less DSL coverage, faster speeds
- Pocono Lake, PA: less DSL coverage, faster speeds
- Markesan, WI: less DSL coverage, faster speeds
- Lyndon Station, WI: less DSL coverage, faster speeds


