In the Denver area there are 7 residential Fiber providers covering 58.20% of the city. The average home can get speeds up to 3,538 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, CO.
To see availability maps for all providers including fiber, cable, DSL, and more in Denver, CO please click below.
Fiber Internet Service Providers in Denver
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 the Denver area are not shown.
Denver 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 the Denver area is fiber internet available?
Fiber Internet Availability Key
Fiber is available in 58.20% of the Denver area. 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 the Denver area above to see who has service at your home.
How fast is fiber internet in the Denver area?
The map below shows maximum fiber internet speeds by area in the Denver area.
Fiber Internet Speed Key
The average Denver home can get up to 3,538 Mbps on their fiber internet plan. The fastest fiber download speed in the city is 10,000 Mbps, which less than 1% 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 25 Mbps. See the internet provider details below for info about their speed and coverage in the Denver area.
Fiber internet speeds tend to be faster in the southwest parts of the Denver area, and slower in the central areas of the city.
Is fiber the fastest internet I can get in the Denver area?
The fastest internet for you may vary based on where in the Denver area you live. In general, cable competes most often with fiber in the city.
- Fiber is the fastest internet type for 45.28% of Denver homes.
- Cable is fastest for 51.58% of the city.
- DSL is fastest for less than 1%.
- Fixed wireless is fastest for 2.49%.
- Satellite internet may be the only option for less than 1% of Denver homes.
Fiber Providers in Depth
Below you'll find which TV and internet providers offer service in the Denver area, along with details on where in the Denver area and at what speeds.
Quantum Fiber Fiber in Denver, CO
Quantum Fiber fiber coverage
About 47.99%, or 1,422,349 people, have Quantum Fiber fiber internet available to them in the city. The company covers the entire Denver area. Quantum Fiber is one of the largest internet service providers internet service providers in the US, with internet service available in some of the Denver area.
Quantum Fiber fiber download speeds
Quantum Fiber is above average when comparing download speeds to all other internet providers in the Denver area. Versus other fiber providers in the area, Quantum Fiber fiber is above average. There are 4 different maximum speeds throughout the Denver area. The fastest plan anyone in the Denver area can order from Quantum Fiber goes up to 8,000 Mbps, the slowest package only goes up to 940 Mbps, and the city-wide average maximum speed for Denver customers is up to 3,367 Mbps.
Show all download speeds
- 25.7% up to 8,000.0 Mbps
- 57.7% up to 2,000.0 Mbps
- 3.4% up to 1,000.0 Mbps
- 13.2% up to 940.0 Mbps
Quantum Fiber fiber upload speeds
In the Denver area download speeds tend to be faster than than upload speeds for Quantum Fiber fiber. Compared to other ISPs, Quantum Fiber is above average where upload speeds are concerned, and above average compared to other Denver fiber providers. Quantum Fiber offers 3 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 the Denver area 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 2,791 Mbps.
Show all upload speeds
- 25.7% up to 8,000.0 Mbps
- 61.1% up to 1,000.0 Mbps
- 13.2% up to 940.0 Mbps
Centurylink Fiber in Denver, CO
Centurylink fiber coverage
About 32.78%, or 971,576 people, have Centurylink fiber internet available to them in the city. The company covers the entire Denver area. Centurylink is one of the largest internet service providers internet service providers in the US, with internet service available in a small portion of the Denver area.
Centurylink fiber download speeds
Centurylink is average when comparing download speeds to all other internet providers in the Denver area. Versus other fiber providers in the area, Centurylink fiber is below average. There are 11 different maximum speeds throughout the Denver area. The fastest plan anyone in the Denver area can order from Centurylink goes up to 8,000 Mbps, the slowest package only goes up to 10 Mbps, and the city-wide average maximum speed for Denver customers is up to 1,040 Mbps.
Show all download speeds
- 1.3% up to 8,000.0 Mbps
- 0.1% up to 2,000.0 Mbps
- 50.1% up to 1,000.0 Mbps
- 45.1% up to 940.0 Mbps
- 0.3% up to 500.0 Mbps
- 1.2% up to 200.0 Mbps
- 1.1% up to 100.0 Mbps
- 0.1% up to 80.0 Mbps
- 0.0% up to 60.0 Mbps
- 0.4% up to 40.0 Mbps
- 0.2% up to 10.0 Mbps
Centurylink fiber upload speeds
In the Denver area 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 below average compared to other Denver fiber providers. Centurylink offers 15 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 the Denver area is up to 8,000 Mbps. Some customers have slower plan choices, which only go up to 1.0 Mbps. On average, Centurylink customers can get speeds up to 987 Mbps.
Show all upload speeds
- 1.3% up to 8,000.0 Mbps
- 50.2% up to 1,000.0 Mbps
- 38.1% up to 940.0 Mbps
- 0.0% up to 750.0 Mbps
- 0.3% up to 500.0 Mbps
- 8.1% up to 200.0 Mbps
- 0.9% up to 100.0 Mbps
- 0.0% up to 60.0 Mbps
- 0.1% up to 50.0 Mbps
- 0.1% up to 40.0 Mbps
- 0.1% up to 20.0 Mbps
- 0.2% up to 10.0 Mbps
- 0.2% 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, CO
XFINITY fiber coverage
About 2.19%, or 64,891 people, have XFINITY fiber internet available to them in the city. The company covers the entire Denver 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 the Denver area.
XFINITY from Comcast fiber download speeds
XFINITY is above average when comparing download speeds to all other internet providers in the Denver area. Versus other fiber providers in the area, XFINITY fiber is below average. There are 3 different maximum speeds throughout the Denver area. The fastest plan anyone in the Denver area can order from XFINITY goes up to 2,000 Mbps, the slowest package only goes up to 1,000 Mbps, and the city-wide average maximum speed for Denver customers is up to 1,468 Mbps.
Show all download speeds
- 35.9% up to 2,000.0 Mbps
- 54.5% up to 1,200.0 Mbps
- 9.6% up to 1,000.0 Mbps
XFINITY from Comcast fiber upload speeds
In the Denver area download speeds tend to be faster than than upload speeds for XFINITY fiber. Compared to other ISPs, XFINITY is below average where upload speeds are concerned, and below average compared to other Denver fiber providers. XFINITY offers 4 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 the Denver area 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 359 Mbps.
Show all upload speeds
- 4.7% up to 2,000.0 Mbps
- 17.5% up to 1,000.0 Mbps
- 28.7% up to 250.0 Mbps
- 49.0% up to 35.0 Mbps
Denver Fiber by Area
This information is most helpful to those looking for homes or considering moving to the Denver area or any of the areas nearby.
How does fiber internet in the Denver area compare to the rest of Colorado?
Fiber internet speeds in the Denver area are much faster versus the average speeds in Colorado: 0.00 Mbps in Colorado versus 3,538 Mbps in the city. The state has similar fiber availability compared to the city. Average fiber coverage in Colorado is 0.00% versus 58.20% in the Denver area.
What zip codes have fiber internet?
Fiber internet coverage varies by zip code and neighborhood. Some examples in or around the Denver area 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 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
- Glendale, CO: less fiber coverage, slower speeds
- North Washington, CO: less fiber coverage, faster speeds
- Cherry Hills Village, CO: less fiber coverage, slower speeds
- Edgewater, CO: more fiber coverage, faster speeds
- Mountain View, CO: more fiber coverage, slower speeds
- Sheridan, CO: more fiber coverage, faster speeds
- Berkley, CO: more fiber coverage, slower speeds
- Derby, CO: more fiber coverage, slower speeds
- Englewood, CO: more fiber coverage, slower speeds
- Sherrelwood, CO: more fiber coverage, slower speeds
Cities with Similar Populations
- San Diego, CA: less fiber coverage, faster speeds
- Tampa, FL: more fiber coverage, faster speeds
- Baltimore, MD: more fiber coverage, slower speeds
- Minneapolis, MN: more fiber coverage, faster speeds
- St. Louis, MO: more fiber coverage, faster speeds
- Orlando, FL: more fiber coverage, faster speeds
- Charlotte, NC: more fiber coverage, faster speeds
- San Antonio, TX: more fiber coverage, faster speeds
- Portland, OR: more fiber coverage, slower speeds
- Seattle, WA: more fiber coverage, faster speeds