In Adams County there is 1 residential DSL provider covering 85.74% of the county. The average home can get speeds up to 95 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, CO.
To see availability maps for all providers including fiber, cable, DSL, and more in Adams County, CO please click below.
Adams County, CO Availability Maps
DSL Internet Service Provider 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 85.74% of Adams County. 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 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 95 Mbps on their DSL internet plan. The fastest DSL download speed in the county is 140 Mbps, which 27.01% of residents can get. Some homes and apartments do not have access to these speeds. On the slower end, for example, 7.08% 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 east parts of Adams County, and slower in the south 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, cable competes most often with DSL in the county.
- Fiber is the fastest internet type for 43.26% of Adams County homes.
- Cable is fastest for 55.38% of the county.
- DSL is fastest for less than 1%.
- Fixed wireless is fastest for 1.14%.
- Satellite internet may be the only option for less than 1% 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.
Centurylink DSL in Adams County, CO
Centurylink DSL coverage
About 84.47%, or 438,861 people, have Centurylink DSL internet available to them in the county. The company covers the entire Adams County area. Centurylink is one of the largest internet service providers internet service providers in the US, with internet service available in much of Adams County.
Centurylink DSL download speeds
Centurylink is below average when comparing download speeds to all other internet providers in Adams County. Versus other DSL providers in the area, Centurylink DSL is the fastest. There are 7 different maximum speeds throughout Adams County. The fastest plan anyone in Adams County can order from Centurylink goes up to 140 Mbps, the slowest package only goes up to 10 Mbps, and the county-wide average maximum speed for Adams County customers is up to 95 Mbps.
Show all download speeds
- 32.0% up to 140.0 Mbps
- 0.7% up to 120.0 Mbps
- 31.1% up to 100.0 Mbps
- 13.4% up to 80.0 Mbps
- 6.8% up to 60.0 Mbps
- 7.7% up to 40.0 Mbps
- 8.3% up to 10.0 Mbps
Centurylink DSL upload speeds
In Adams County download speeds tend to be faster than than upload speeds for Centurylink DSL. Compared to other ISPs, Centurylink is below average where upload speeds are concerned, and below average compared to other Adams County DSL providers. Centurylink offers 7 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 100 Mbps. Some customers have slower plan choices, which only go up to 1.0 Mbps. On average, Centurylink customers can get speeds up to 12 Mbps.
Show all upload speeds
- 0.0% up to 100.0 Mbps
- 2.8% up to 40.0 Mbps
- 31.9% up to 20.0 Mbps
- 42.4% up to 10.0 Mbps
- 7.2% up to 5.0 Mbps
- 7.2% up to 3.0 Mbps
- 8.3% 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 Colorado?
DSL internet speeds in Adams County are much faster versus the average speeds in Colorado: 0.00 Mbps in Colorado versus 95 Mbps in the county. The state has similar DSL availability compared to the county. Average DSL coverage in Colorado is 0.00% versus 85.74% 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
- Broomfield County, CO: more DSL coverage, slower speeds
- Denver County, CO: less DSL coverage, slower speeds
- Jefferson County, CO: more DSL coverage, slower speeds
- Gilpin County, CO: more DSL coverage, slower speeds
- Clear Creek County, CO: more DSL coverage, slower speeds
- Decatur County, KS: less DSL coverage, slower speeds
- Norton County, KS: less DSL coverage, slower speeds
- Phillips County, KS: less DSL coverage, slower speeds
- Smith County, KS: less DSL coverage, slower speeds
- Juab County, UT: more DSL coverage, slower speeds
Counties with Similar Populations
- Monterey County, CA: more DSL coverage, slower speeds
- Santa Barbara County, CA: less DSL coverage, slower speeds
- Pinal County, AZ: less DSL coverage, slower speeds
- Tulare County, CA: less DSL coverage, slower speeds
- Cameron County, TX: less DSL coverage, slower speeds
- Sonoma County, CA: more DSL coverage, slower speeds
- Washoe County, NV: less DSL coverage, slower speeds
- Solano County, CA: less DSL coverage, slower speeds
- Hillsborough County, NH: less DSL coverage, slower speeds
- Ada County, ID: more DSL coverage, slower speeds