In Challis there is 1 residential DSL provider covering 15.23% of the city. The average home can get speeds up to 21 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 Challis, ID.
To see availability maps for all providers including fiber, cable, DSL, and more in Challis, ID please click below.
DSL Internet Service Provider in Challis
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 Challis are not shown.
Challis 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 Challis is DSL internet available?
DSL Internet Availability Key
DSL is available in 15.23% of Challis. Areas in green have DSL internet service, where areas in yellow or red may not. The most widely available provider is Custer. Call one of the companies with service in Challis above to see who has service at your home.
How fast is DSL internet in Challis?
The map below shows maximum DSL internet speeds by area in Challis.
DSL Internet Speed Key
The average Challis home can get up to 21 Mbps on their DSL internet plan. The fastest DSL download speed in the city is 25 Mbps, which 10.95% of residents can get. Some homes and apartments do not have access to these speeds. On the slower end, for example, 4.28% of homes can only purchase plans up to 10 Mbps. See the internet provider details below for info about their speed and coverage in Challis.
DSL internet speeds tend to be faster in the south parts of Challis, and slower in the northwest areas of the city.
Is DSL the fastest internet I can get in Challis?
The fastest internet for you may vary based on where in Challis you live. In general, fiber competes most often with DSL in the city.
- Fiber is the fastest internet type for 94.47% of Challis homes.
- Cable is fastest for less than 1% of the city.
- DSL is fastest for 2.71%.
- Fixed wireless is fastest for 2.33%.
- Satellite internet may be the only option for less than 1% of Challis homes.
DSL Providers in Depth
Below you'll find which TV and internet providers offer service in Challis, along with details on where in Challis and at what speeds.
Custer Telephone Cooperative DSL in Challis, ID
Custer DSL coverage
About 15.23%, or 281 people, have Custer DSL internet available to them in the city. The company covers the southeast, northwest, northeast, southwest, and south Challis area. Custer is a small internet service provider internet service providers in the US, with internet service available in a small portion of Challis.
Custer Telephone Cooperative DSL download speeds
Custer is the slowest when comparing download speeds to all other internet providers in Challis. Versus other DSL providers in the area, Custer DSL is the fastest. There are 2 different maximum speeds throughout Challis. The fastest plan anyone in Challis can order from Custer goes up to 25 Mbps, the slowest package only goes up to 10 Mbps, and the city-wide average maximum speed for Challis customers is up to 21 Mbps.
Show all download speeds
- 71.9% up to 25.0 Mbps
- 28.1% up to 10.0 Mbps
Custer Telephone Cooperative DSL upload speeds
In Challis download speeds tend to be faster than than upload speeds for Custer DSL. Compared to other ISPs, Custer is the slowest where upload speeds are concerned, and the fastest compared to other Challis DSL providers. Custer 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 Challis is up to 3.0 Mbps. Some customers have slower plan choices, which only go up to 1.0 Mbps. On average, Custer customers can get speeds up to 2.4 Mbps.
Show all upload speeds
- 71.9% up to 3.0 Mbps
- 28.1% up to 1.0 Mbps
Challis DSL by Area
This information is most helpful to those looking for homes or considering moving to Challis or any of the areas nearby.
How does DSL internet in Challis compare to the rest of Idaho?
DSL internet speeds in Challis are much faster versus the average speeds in Idaho: 0.00 Mbps in Idaho versus 21 Mbps in the city. The state has similar DSL availability compared to the city. Average DSL coverage in Idaho is 0.00% versus 15.23% in Challis.
What zip codes have DSL internet?
DSL internet coverage varies by zip code and neighborhood. Some examples in or around Challis 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
- Ellis, ID: more DSL coverage, faster speeds
- Clayton, ID: more DSL coverage, faster speeds
- Patterson, ID: more DSL coverage, slower speeds
- Torreys, ID: more DSL coverage, faster speeds
- Sunbeam, ID: more DSL coverage, faster speeds
- Cobalt, ID: more DSL coverage, slower speeds
- Lemhi, ID: more DSL coverage, slower speeds
- Tendoy, ID: more DSL coverage, slower speeds
- Stanley, ID: more DSL coverage, faster speeds
- Leadore, ID: more DSL coverage, slower speeds
Cities with Similar Populations
- Bearden, AR: more DSL coverage, faster speeds
- Beverly, OH: more DSL coverage, faster speeds
- Winslow, AR: more DSL coverage, slower speeds
- Wilton, WI: more DSL coverage, faster speeds
- Rumney, NH: more DSL coverage, faster speeds
- Lewiston, MN: more DSL coverage, faster speeds
- Rocheport, MO: more DSL coverage, faster speeds
- Republic, OH: less DSL coverage, faster speeds
- Port Orford, OR: more DSL coverage, slower speeds
- Ocean Ridge, FL: more DSL coverage, faster speeds