In Cobalt there are 2 residential DSL providers covering 83.96% of the city. The average home can get speeds up to 16 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 Cobalt, ID.
To see availability maps for all providers including fiber, cable, DSL, and more in Cobalt, ID please click below.
DSL Internet Service Providers in Cobalt
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 Cobalt are not shown.
Cobalt 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 Cobalt is DSL internet available?

DSL Internet Availability Key
DSL is available in 83.96% of Cobalt. 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 Cobalt above to see who has service at your home.
How fast is DSL internet in Cobalt?
The map below shows maximum DSL internet speeds by area in Cobalt.

DSL Internet Speed Key
The average Cobalt home can get up to 16 Mbps on their DSL internet plan. The fastest DSL download speed in the city is 40 Mbps, which 12.89% of residents can get. Some homes and apartments do not have access to these speeds. On the slower end, for example, 61.32% of homes can only purchase plans up to 10 Mbps. See the internet provider details below for info about their speed and coverage in Cobalt.
DSL internet speeds tend to be faster in the central parts of Cobalt, and slower in the north areas of the city.
Is DSL the fastest internet I can get in Cobalt?
The fastest internet for you may vary based on where in Cobalt you live. In general, fiber competes most often with DSL in the city.
- Fiber is the fastest internet type for 84.28% of Cobalt homes.
- Cable is fastest for less than 1% of the city.
- DSL is fastest for less than 1%.
- Fixed wireless is fastest for 11.64%.
- Satellite internet may be the only option for 4.09% of Cobalt homes.
DSL Providers in Depth
Below you'll find which TV and internet providers offer service in Cobalt, along with details on where in Cobalt and at what speeds.
Centurylink DSL in Cobalt, ID

Centurylink DSL coverage
About 74.21%, or 236 people, have Centurylink DSL internet available to them in the city. The company covers the north, northeast, central, and northwest Cobalt area. Centurylink is one of the largest internet service providers internet service providers in the US, with internet service available in much of Cobalt.
Centurylink DSL download speeds
Centurylink is the slowest when comparing download speeds to all other internet providers in Cobalt. Versus other DSL providers in the area, Centurylink DSL is the slowest. There are 2 different maximum speeds throughout Cobalt. The fastest plan anyone in Cobalt can order from Centurylink goes up to 40 Mbps, the slowest package only goes up to 10 Mbps, and the city-wide average maximum speed for Cobalt customers is up to 15 Mbps.
Show all download speeds
- 17.4% up to 40.0 Mbps
- 82.6% up to 10.0 Mbps
Centurylink DSL upload speeds
In Cobalt 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 slowest compared to other Cobalt DSL providers. Centurylink 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 Cobalt is up to 3.0 Mbps. Some customers have slower plan choices, which only go up to 1.0 Mbps. On average, Centurylink customers can get speeds up to 1.3 Mbps.
Show all upload speeds
- 17.4% up to 3.0 Mbps
- 82.6% up to 1.0 Mbps
Custer Telephone Cooperative DSL in Cobalt, ID

Custer DSL coverage
About 9.75%, or 31 people, have Custer DSL internet available to them in the city. The company covers the south Cobalt area. Custer is a small internet service provider internet service providers in the US, with internet service available in a very small piece of Cobalt.
Custer Telephone Cooperative DSL download speeds
Custer is below average when comparing download speeds to all other internet providers in Cobalt. Versus other DSL providers in the area, Custer DSL is the fastest. There are no different maximum speeds throughout Cobalt. The fastest plan anyone in Cobalt can order from Custer goes up to 25 Mbps, and all Cobalt customers can get this speed.
Show all download speeds
- 100.0% up to 25.0 Mbps
Custer Telephone Cooperative DSL upload speeds
In Cobalt download speeds tend to be faster than than upload speeds for Custer DSL. Compared to other ISPs, Custer is below average where upload speeds are concerned, and the fastest compared to other Cobalt DSL providers. Custer offers no different upload speeds across the city. The fastest upload speed available to anyone from this ISP in Cobalt is up to 3.0 Mbps, which is available to everyone covered.
Show all upload speeds
- 100.0% up to 3.0 Mbps
Cobalt DSL by Area
This information is most helpful to those looking for homes or considering moving to Cobalt or any of the areas nearby.
How does DSL internet in Cobalt compare to the rest of Idaho?
DSL internet speeds in Cobalt are much faster versus the average speeds in Idaho: 0.00 Mbps in Idaho versus 16 Mbps in the city. The state has similar DSL availability compared to the city. Average DSL coverage in Idaho is 0.00% versus 83.96% in Cobalt.
What zip codes have DSL internet?
DSL internet coverage varies by zip code and neighborhood. Some examples in or around Cobalt 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
- Tendoy, ID: more DSL coverage, faster speeds
- Salmon, ID: more DSL coverage, slower speeds
- Carmen, ID: more DSL coverage, faster speeds
- Lemhi, ID: less DSL coverage, slower speeds
- North Fork, ID: more DSL coverage, faster speeds
- Ellis, ID: less DSL coverage, faster speeds
- Leadore, ID: less DSL coverage, slower speeds
- Gibbonsville, ID: more DSL coverage, faster speeds
- Challis, ID: less DSL coverage, faster speeds
- Patterson, ID: less DSL coverage, slower speeds
Cities with Similar Populations
- Jimtown, CA: less DSL coverage, slower speeds
- Empire, OH: less DSL coverage, slower speeds
- English, KY: more DSL coverage, slower speeds
- Ericson, NE: less DSL coverage, faster speeds
- Evanston, TN: less DSL coverage, slower speeds
- Fallriver, TN: less DSL coverage, slower speeds
- Festus, FL: less DSL coverage, faster speeds
- Fields Landing, CA: less DSL coverage, slower speeds
- Fifty Lakes, MN: less DSL coverage, faster speeds
- Fillmore, OK: less DSL coverage, slower speeds


