In Adams County there are 2 residential DSL providers covering 64.12% of the county. The average home can get speeds up to 39 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 Adams County, ID.
To see availability maps for all providers including fiber, cable, DSL, and more in Adams County, ID please click below.
Adams County, ID Availability Maps
DSL Internet Service Providers in Adams County
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 Adams County are not shown.
Adams County 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 Adams County is DSL internet available?

DSL Internet Availability Key
DSL is available in 64.12% of Adams County. Areas in green have DSL internet service, where areas in yellow or red may not. The most widely available provider is Ziply. Call one of the companies with service in Adams County above to see who has service at your home.
How fast is DSL internet in Adams County?
The map below shows maximum DSL internet speeds by area in Adams County.

DSL Internet Speed Key
The average Adams County home can get up to 39 Mbps on their DSL internet plan. The fastest DSL download speed in the county is 115 Mbps, which 5.69% of residents can get. Some homes and apartments do not have access to these speeds. On the slower end, for example, 28.77% of homes can only purchase plans up to 10 Mbps. See the internet provider details below for info about their speed and coverage in Adams County.
DSL internet speeds tend to be faster in the north parts of Adams County, and slower in the central areas of the county.
Is DSL the fastest internet I can get in Adams County?
The fastest internet for you may vary based on where in Adams County you live. In general, fixed wireless competes most often with DSL in the county.
- Fiber is the fastest internet type for 30.67% of Adams County homes.
- Cable is fastest for 11.81% of the county.
- DSL is fastest for 16.65%.
- Fixed wireless is fastest for 36.61%.
- Satellite internet may be the only option for 4.27% of Adams County homes.
DSL Providers in Depth
Below you'll find which TV and internet providers offer service in Adams County, along with details on where in Adams County and at what speeds.
CTC Telecom DSL in Adams County, ID

CTC DSL coverage
About 32.93%, or 1,442 people, have CTC DSL internet available to them in the county. The company covers the south, southwest, and west Adams County area. CTC is a large internet service provider internet service providers in the US, with internet service available in a small portion of Adams County.
CTC Telecom DSL download speeds
CTC is the slowest when comparing download speeds to all other internet providers in Adams County. Versus other DSL providers in the area, CTC DSL is the slowest. There are 3 different maximum speeds throughout Adams County. The fastest plan anyone in Adams County can order from CTC goes up to 50 Mbps, the slowest package only goes up to 10 Mbps, and the county-wide average maximum speed for Adams County customers is up to 28 Mbps.
Show all download speeds
- 38.4% up to 50.0 Mbps
- 19.1% up to 25.0 Mbps
- 42.4% up to 10.0 Mbps
CTC Telecom DSL upload speeds
In Adams County download speeds tend to be faster than than upload speeds for CTC DSL. Compared to other ISPs, CTC is the slowest where upload speeds are concerned, and the slowest compared to other Adams County DSL providers. CTC offers 3 different upload speeds across the county, so your internet plan's upload speed may vary by neighborhood . The fastest upload speed available to anyone from this ISP in Adams County is up to 5.0 Mbps. Some customers have slower plan choices, which only go up to 1.0 Mbps. On average, CTC customers can get speeds up to 2.9 Mbps.
Show all upload speeds
- 38.4% up to 5.0 Mbps
- 19.1% up to 3.0 Mbps
- 42.4% up to 1.0 Mbps
Ziply DSL in Adams County, ID

Ziply DSL coverage
About 31.19%, or 1,366 people, have Ziply DSL internet available to them in the county. The company covers the northeast, east, north, and central Adams County area. Ziply is one of the largest internet service providers internet service providers in the US, with internet service available in a small portion of Adams County.
Ziply DSL download speeds
Ziply is below average when comparing download speeds to all other internet providers in Adams County. Versus other DSL providers in the area, Ziply DSL is the fastest. There are 6 different maximum speeds throughout Adams County. The fastest plan anyone in Adams County can order from Ziply goes up to 115 Mbps, the slowest package only goes up to 10 Mbps, and the county-wide average maximum speed for Adams County customers is up to 50 Mbps.
Show all download speeds
- 18.2% up to 115.0 Mbps
- 18.0% up to 90.0 Mbps
- 4.9% up to 70.0 Mbps
- 0.9% up to 45.0 Mbps
- 10.5% up to 40.0 Mbps
- 47.4% up to 10.0 Mbps
Ziply DSL upload speeds
In Adams County download speeds tend to be faster than than upload speeds for Ziply DSL. Compared to other ISPs, Ziply is below average where upload speeds are concerned, and the fastest compared to other Adams County DSL providers. Ziply offers 5 different upload speeds across the county, so your internet plan's upload speed may vary by neighborhood . The fastest upload speed available to anyone from this ISP in Adams County is up to 10 Mbps. Some customers have slower plan choices, which only go up to 1.0 Mbps. On average, Ziply customers can get speeds up to 3.9 Mbps.
Show all upload speeds
- 10.5% up to 10.0 Mbps
- 18.2% up to 7.0 Mbps
- 18.0% up to 5.0 Mbps
- 5.8% up to 3.0 Mbps
- 47.4% up to 1.0 Mbps
Adams County DSL by Area
This information is most helpful to those looking for homes or considering moving to Adams County or any of the areas nearby.
How does DSL internet in Adams County compare to the rest of Idaho?
DSL internet speeds in Adams County are much faster versus the average speeds in Idaho: 0.00 Mbps in Idaho versus 39 Mbps in the county. The state has similar DSL availability compared to the county. Average DSL coverage in Idaho is 0.00% versus 64.12% in Adams County.
What zip codes have DSL internet?
DSL internet coverage varies by zip code and neighborhood. Some examples in or around Adams County 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 counties?
Below are counties nearby and with similar populations. This comparison can be useful if living somewhere with fast internet is important to you.
Nearby Counties
- Valley County, ID: more DSL coverage, slower speeds
- Baker County, OR: more DSL coverage, slower speeds
- Wheeler County, OR: less DSL coverage, slower speeds
- Marion County, OR: more DSL coverage, faster speeds
- Polk County, OR: more DSL coverage, faster speeds
- Lincoln County, OR: more DSL coverage, faster speeds
- Sheridan County, WY: more DSL coverage, slower speeds
- Spink County, SD: less DSL coverage, slower speeds
- Codington County, SD: more DSL coverage, slower speeds
- Deuel County, SD: less DSL coverage, slower speeds
Counties with Similar Populations
- Culebra Municipio, PR: more DSL coverage, slower speeds
- Presidio County, TX: less DSL coverage, slower speeds
- Rich County, UT: more DSL coverage, slower speeds
- Beaverhead County, MT: more DSL coverage, slower speeds
- Vieques Municipio, PR: less DSL coverage, slower speeds
- Culberson County, TX: more DSL coverage, faster speeds
- Grant County, SD: less DSL coverage, slower speeds
- Swift County, MN: less DSL coverage, slower speeds
- Cook County, MN: more DSL coverage, faster speeds
- Grant County, OR: less DSL coverage, faster speeds


