In Coleharbor there is 1 residential DSL provider covering 12.50% of the city. The average home can get speeds up to 78 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 Coleharbor, ND.
To see availability maps for all providers including fiber, cable, DSL, and more in Coleharbor, ND please click below.
Coleharbor, ND Availability Maps
DSL Internet Service Provider in Coleharbor
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 Coleharbor are not shown.
Coleharbor 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 Coleharbor is DSL internet available?

DSL Internet Availability Key
DSL is available in 12.50% of Coleharbor. Areas in green have DSL internet service, where areas in yellow or red may not. The most widely available provider is RTC Networks. Call one of the companies with service in Coleharbor above to see who has service at your home.
How fast is DSL internet in Coleharbor?
The map below shows maximum DSL internet speeds by area in Coleharbor.

DSL Internet Speed Key
The average Coleharbor home can get up to 78 Mbps on their DSL internet plan. The fastest DSL download speed in the city is 100 Mbps, which 8.85% of residents can get. Some homes and apartments do not have access to these speeds. On the slower end, for example, 3.65% of homes can only purchase plans up to 25 Mbps. See the internet provider details below for info about their speed and coverage in Coleharbor.
DSL internet speeds tend to be faster in the northwest parts of Coleharbor, and slower in the west areas of the city.
Is DSL the fastest internet I can get in Coleharbor?
The fastest internet for you may vary based on where in Coleharbor you live. In general, fiber competes most often with DSL in the city.
- Fiber is the fastest internet type for 88.80% of Coleharbor homes.
- Cable is fastest for less than 1% of the city.
- DSL is fastest for 3.65%.
- Fixed wireless is fastest for less than 1%.
- Satellite internet may be the only option for 7.55% of Coleharbor homes.
DSL Providers in Depth
Below you'll find which TV and internet providers offer service in Coleharbor, along with details on where in Coleharbor and at what speeds.
RTC Networks DSL in Coleharbor, ND

RTC Networks DSL coverage
About 12.50%, or 48 people, have RTC Networks DSL internet available to them in the city. The company covers the northwest and west Coleharbor area. RTC Networks is an average-sized internet service provider internet service providers in the US, with internet service available in a very small piece of Coleharbor.
RTC Networks DSL download speeds
RTC Networks is below average when comparing download speeds to all other internet providers in Coleharbor. Versus other DSL providers in the area, RTC Networks DSL is the fastest. There are 2 different maximum speeds throughout Coleharbor. The fastest plan anyone in Coleharbor can order from RTC Networks goes up to 100 Mbps, the slowest package only goes up to 25 Mbps, and the city-wide average maximum speed for Coleharbor customers is up to 78 Mbps.
Show all download speeds
- 70.8% up to 100.0 Mbps
- 29.2% up to 25.0 Mbps
RTC Networks DSL upload speeds
In Coleharbor download speeds tend to be faster than than upload speeds for RTC Networks DSL. Compared to other ISPs, RTC Networks is below average where upload speeds are concerned, and the fastest compared to other Coleharbor DSL providers. RTC Networks offers 2 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 Coleharbor is up to 60 Mbps. Some customers have slower plan choices, which only go up to 3.0 Mbps. On average, RTC Networks customers can get speeds up to 43 Mbps.
Show all upload speeds
- 70.8% up to 60.0 Mbps
- 29.2% up to 3.0 Mbps
Coleharbor DSL by Area
This information is most helpful to those looking for homes or considering moving to Coleharbor or any of the areas nearby.
How does DSL internet in Coleharbor compare to the rest of North Dakota?
DSL internet speeds in Coleharbor are much faster versus the average speeds in North Dakota: 0.00 Mbps in North Dakota versus 78 Mbps in the city. The state has similar DSL availability compared to the city. Average DSL coverage in North Dakota is 0.00% versus 12.50% in Coleharbor.
What zip codes have DSL internet?
DSL internet coverage varies by zip code and neighborhood. Some examples in or around Coleharbor 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
- riverdale-nd: less DSL coverage, slower speeds
- underwood-nd: less DSL coverage, slower speeds
- ruso-nd: less DSL coverage, slower speeds
- garrison-nd: less DSL coverage, slower speeds
- turtle-lake-nd: less DSL coverage, slower speeds
- benedict-nd: less DSL coverage, slower speeds
- max-nd: less DSL coverage, slower speeds
- pick-city-nd: less DSL coverage, slower speeds
- mercer-nd: less DSL coverage, slower speeds
- stanton-nd: less DSL coverage, slower speeds
Cities with Similar Populations
- Red Bird, MO: more DSL coverage, slower speeds
- Wealthy, TX: more DSL coverage, faster speeds
- McFall, MO: more DSL coverage, slower speeds
- Waverly, WA: more DSL coverage, slower speeds
- McKinneysburg, KY: less DSL coverage, slower speeds
- Swift Falls, MN: less DSL coverage, slower speeds
- Klein, AL: more DSL coverage, faster speeds
- Remus, MS: more DSL coverage, slower speeds
- Kirk, KY: more DSL coverage, slower speeds
- Kirby, WV: more DSL coverage, slower speeds


