In Denver County there is 1 residential DSL provider covering 74.30% of the county. The average home can get speeds up to 82 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 Denver County, CO.
To see availability maps for all providers including fiber, cable, DSL, and more in Denver County, CO please click below.
Denver County, CO Availability Maps
DSL Internet Service Provider in Denver 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 Denver County are not shown.
Denver 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 Denver County is DSL internet available?

DSL Internet Availability Key
DSL is available in 74.30% of Denver 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 Denver County above to see who has service at your home.
How fast is DSL internet in Denver County?
The map below shows maximum DSL internet speeds by area in Denver County.

DSL Internet Speed Key
The average Denver County home can get up to 82 Mbps on their DSL internet plan. The fastest DSL download speed in the county is 140 Mbps, which 11.30% of residents can get. Some homes and apartments do not have access to these speeds. On the slower end, for example, 11.36% of homes can only purchase plans up to 10 Mbps. See the internet provider details below for info about their speed and coverage in Denver County.
DSL internet speeds tend to be faster in the southeast parts of Denver County, and slower in the west areas of the county.
Is DSL the fastest internet I can get in Denver County?
The fastest internet for you may vary based on where in Denver County you live. In general, fiber competes most often with DSL in the county.
- Fiber is the fastest internet type for 62.71% of Denver County homes.
- Cable is fastest for 35.84% of the county.
- DSL is fastest for less than 1%.
- Fixed wireless is fastest for less than 1%.
- Satellite internet may be the only option for 1.08% of Denver County homes.
DSL Providers in Depth
Below you'll find which TV and internet providers offer service in Denver County, along with details on where in Denver County and at what speeds.
Centurylink DSL in Denver County, CO

Centurylink DSL coverage
About 74.30%, or 531,602 people, have Centurylink DSL internet available to them in the county. The company covers the entire Denver County area. Centurylink is one of the largest internet service providers internet service providers in the US, with internet service available in much of Denver County.
Centurylink DSL download speeds
Centurylink is below average when comparing download speeds to all other internet providers in Denver County. Versus other DSL providers in the area, Centurylink DSL is the fastest. There are 7 different maximum speeds throughout Denver County. The fastest plan anyone in Denver 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 Denver County customers is up to 82 Mbps.
Show all download speeds
- 15.2% up to 140.0 Mbps
- 0.2% up to 120.0 Mbps
- 40.4% up to 100.0 Mbps
- 15.0% up to 80.0 Mbps
- 4.9% up to 60.0 Mbps
- 8.9% up to 40.0 Mbps
- 15.3% up to 10.0 Mbps
Centurylink DSL upload speeds
In Denver 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 the fastest compared to other Denver County DSL providers. Centurylink offers 9 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 Denver 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 11 Mbps.
Show all upload speeds
- 1.5% up to 100.0 Mbps
- 0.2% up to 60.0 Mbps
- 0.2% up to 50.0 Mbps
- 1.4% up to 40.0 Mbps
- 15.3% up to 20.0 Mbps
- 52.8% up to 10.0 Mbps
- 5.6% up to 5.0 Mbps
- 7.9% up to 3.0 Mbps
- 15.3% up to 1.0 Mbps
Denver County DSL by Area
This information is most helpful to those looking for homes or considering moving to Denver County or any of the areas nearby.
How does DSL internet in Denver County compare to the rest of Colorado?
DSL internet speeds in Denver County are much faster versus the average speeds in Colorado: 0.00 Mbps in Colorado versus 82 Mbps in the county. The state has similar DSL availability compared to the county. Average DSL coverage in Colorado is 0.00% versus 74.30% in Denver County.
What zip codes have DSL internet?
DSL internet coverage varies by zip code and neighborhood. Some examples in or around Denver 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
- Arapahoe County, CO: more DSL coverage, faster speeds
- Jefferson County, CO: more DSL coverage, faster speeds
- Adams County, CO: more DSL coverage, faster speeds
- Gilpin County, CO: more DSL coverage, slower speeds
- Clear Creek County, CO: more DSL coverage, slower speeds
- Eagle 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
- Carbon County, UT: less DSL coverage, slower speeds
Counties with Similar Populations
- San Mateo County, CA: more DSL coverage, faster speeds
- San Joaquin County, CA: less DSL coverage, slower speeds
- Cobb County, GA: more DSL coverage, slower speeds
- Davidson County, TN: more DSL coverage, slower speeds
- El Paso County, CO: more DSL coverage, faster speeds
- Jefferson County, KY: more DSL coverage, slower speeds
- Monroe County, NY: less DSL coverage, slower speeds
- Lee County, FL: more DSL coverage, slower speeds
- Will County, IL: more DSL coverage, slower speeds
- Utah County, UT: more DSL coverage, slower speeds


