In Denver County there are 3 residential Fiber providers covering 78.54% of the county. The average home can get speeds up to 2,659 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 Fiber 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
Fiber Internet Service Providers 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 fiber internet available?
Fiber Internet Availability Key
Fiber is available in 78.54% of Denver County. Areas in green have fiber internet service, where areas in yellow or red may not. The most widely available provider is Quantum Fiber. Call one of the companies with service in Denver County above to see who has service at your home.
How fast is fiber internet in Denver County?
The map below shows maximum fiber internet speeds by area in Denver County.
Fiber Internet Speed Key
The average Denver County home can get up to 2,659 Mbps on their fiber internet plan. The fastest fiber download speed in the county is 8,000 Mbps, which 10.91% of residents can get. Some homes and apartments do not have access to these speeds. On the slower end, for example, less than 1% of homes can only purchase plans up to 80 Mbps. See the internet provider details below for info about their speed and coverage in Denver County.
Fiber internet speeds tend to be faster in the northeast parts of Denver County, and slower in the central areas of the county.
Is fiber 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, cable competes most often with fiber 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.
Fiber 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.
Quantum Fiber Fiber in Denver County, CO
Quantum Fiber fiber coverage
About 75.64%, or 541,220 people, have Quantum Fiber fiber internet available to them in the county. The company covers the entire Denver County area. Quantum Fiber is one of the largest internet service providers internet service providers in the US, with internet service available in much of Denver County.
Quantum Fiber fiber download speeds
Quantum Fiber is the fastest when comparing download speeds to all other internet providers in Denver County. Versus other fiber providers in the area, Quantum Fiber fiber is the fastest. There are 4 different maximum speeds throughout Denver County. The fastest plan anyone in Denver County can order from Quantum Fiber goes up to 8,000 Mbps, the slowest package only goes up to 940 Mbps, and the county-wide average maximum speed for Denver County customers is up to 2,700 Mbps.
Show all download speeds
- 14.4% up to 8,000.0 Mbps
- 69.8% up to 2,000.0 Mbps
- 2.4% up to 1,000.0 Mbps
- 13.4% up to 940.0 Mbps
Quantum Fiber fiber upload speeds
In Denver County download speeds tend to be faster than than upload speeds for Quantum Fiber fiber. Compared to other ISPs, Quantum Fiber is the fastest where upload speeds are concerned, and the fastest compared to other Denver County fiber providers. Quantum Fiber 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 Denver County is up to 8,000 Mbps. Some customers have slower plan choices, which only go up to 940 Mbps. On average, Quantum Fiber customers can get speeds up to 2,002 Mbps.
Show all upload speeds
- 14.4% up to 8,000.0 Mbps
- 72.2% up to 1,000.0 Mbps
- 13.4% up to 940.0 Mbps
Centurylink Fiber in Denver County, CO
Centurylink fiber coverage
About 63.16%, or 451,897 people, have Centurylink fiber 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 a majority of Denver County.
Centurylink fiber download speeds
Centurylink is above average when comparing download speeds to all other internet providers in Denver County. Versus other fiber providers in the area, Centurylink fiber is below average. There are 9 different maximum speeds throughout Denver County. The fastest plan anyone in Denver County can order from Centurylink goes up to 2,000 Mbps, the slowest package only goes up to 10 Mbps, and the county-wide average maximum speed for Denver County customers is up to 956 Mbps.
Show all download speeds
- 0.1% up to 2,000.0 Mbps
- 60.1% up to 1,000.0 Mbps
- 37.2% up to 940.0 Mbps
- 0.2% up to 500.0 Mbps
- 0.9% up to 200.0 Mbps
- 0.8% up to 100.0 Mbps
- 0.1% up to 80.0 Mbps
- 0.4% up to 40.0 Mbps
- 0.2% up to 10.0 Mbps
Centurylink fiber upload speeds
In Denver County download speeds tend to be faster than than upload speeds for Centurylink fiber. Compared to other ISPs, Centurylink is above average where upload speeds are concerned, and above average compared to other Denver County fiber providers. Centurylink offers 12 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 1,000 Mbps. Some customers have slower plan choices, which only go up to 1.0 Mbps. On average, Centurylink customers can get speeds up to 907 Mbps.
Show all upload speeds
- 60.2% up to 1,000.0 Mbps
- 30.7% up to 940.0 Mbps
- 0.1% up to 500.0 Mbps
- 7.3% up to 200.0 Mbps
- 0.6% up to 100.0 Mbps
- 0.2% up to 50.0 Mbps
- 0.0% up to 40.0 Mbps
- 0.1% up to 20.0 Mbps
- 0.2% up to 10.0 Mbps
- 0.3% up to 5.0 Mbps
- 0.0% up to 3.0 Mbps
- 0.2% up to 1.0 Mbps
XFINITY from Comcast Fiber in Denver County, CO
XFINITY fiber coverage
About 4.45%, or 31,844 people, have XFINITY fiber internet available to them in the county. The company covers the entire Denver County area. XFINITY is one of the largest internet service providers internet service providers in the US, with internet service available in a very small piece of Denver County.
XFINITY from Comcast fiber download speeds
XFINITY is above average when comparing download speeds to all other internet providers in Denver County. Versus other fiber providers in the area, XFINITY fiber is above average. There are 3 different maximum speeds throughout Denver County. The fastest plan anyone in Denver County can order from XFINITY goes up to 2,000 Mbps, the slowest package only goes up to 1,000 Mbps, and the county-wide average maximum speed for Denver County customers is up to 1,534 Mbps.
Show all download speeds
- 43.8% up to 2,000.0 Mbps
- 47.9% up to 1,200.0 Mbps
- 8.3% up to 1,000.0 Mbps
XFINITY from Comcast fiber upload speeds
In Denver County download speeds tend to be faster than than upload speeds for XFINITY fiber. Compared to other ISPs, XFINITY is above average where upload speeds are concerned, and below average compared to other Denver County fiber providers. XFINITY offers 4 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 2,000 Mbps. Some customers have slower plan choices, which only go up to 35 Mbps. On average, XFINITY customers can get speeds up to 352 Mbps.
Show all upload speeds
- 4.2% up to 2,000.0 Mbps
- 16.5% up to 1,000.0 Mbps
- 34.8% up to 250.0 Mbps
- 44.5% up to 35.0 Mbps
Denver County Fiber 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 fiber internet in Denver County compare to the rest of Colorado?
Fiber internet speeds in Denver County are much faster versus the average speeds in Colorado: 0.00 Mbps in Colorado versus 2,659 Mbps in the county. The state has similar fiber availability compared to the county. Average fiber coverage in Colorado is 0.00% versus 78.54% in Denver County.
What zip codes have fiber internet?
Fiber 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 fiber 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: less fiber coverage, faster speeds
- Jefferson County, CO: less fiber coverage, faster speeds
- Adams County, CO: less fiber coverage, faster speeds
- Gilpin County, CO: less fiber coverage, slower speeds
- Clear Creek County, CO: less fiber coverage, faster speeds
- Eagle County, CO: less fiber coverage, slower speeds
- Cheyenne County, KS: less fiber coverage, slower speeds
- Rawlins County, KS: less fiber coverage, slower speeds
- Decatur County, KS: less fiber coverage, slower speeds
- Norton County, KS: more fiber coverage, slower speeds
Counties with Similar Populations
- San Mateo County, CA: more fiber coverage, faster speeds
- San Joaquin County, CA: less fiber coverage, faster speeds
- Essex County, MA: less fiber coverage, slower speeds
- Cobb County, GA: less fiber coverage, faster speeds
- Davidson County, TN: more fiber coverage, faster speeds
- Suffolk County, MA: less fiber coverage, slower speeds
- El Paso County, CO: less fiber coverage, faster speeds
- Jefferson County, KY: more fiber coverage, faster speeds
- Norfolk County, MA: less fiber coverage, slower speeds
- Monroe County, NY: less fiber coverage, faster speeds