In 80021 there are 3 residential Fiber providers covering 21.79% of the zip. The average home can get speeds up to 1,189 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 80021, CO.
To see availability maps for all providers including fiber, cable, DSL, and more in 80021, CO please click below.
Fiber Internet Service Providers in 80021
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 80021 are not shown.
80021 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 80021 is fiber internet available?
Fiber Internet Availability Key
Fiber is available in 21.79% of 80021. 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 80021 above to see who has service at your home.
How fast is fiber internet in 80021?
The map below shows maximum fiber internet speeds by area in 80021.
Fiber Internet Speed Key
The average 80021 home can get up to 1,189 Mbps on their fiber internet plan. The fastest fiber download speed in the zip is 2,000 Mbps, which 4.39% 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 200 Mbps. See the internet provider details below for info about their speed and coverage in 80021.
Fiber internet speeds tend to be faster in the southwest parts of 80021, and slower in the southeast areas of the zip.
Is fiber the fastest internet I can get in 80021?
The fastest internet for you may vary based on where in 80021 you live. In general, cable competes most often with fiber in the zip.
- Fiber is the fastest internet type for 4.39% of 80021 homes.
- Cable is fastest for 95.46% of the zip.
- DSL is fastest for less than 1%.
- Fixed wireless is fastest for less than 1%.
- Satellite internet may be the only option for less than 1% of 80021 homes.
Fiber Providers in Depth
Below you'll find which TV and internet providers offer service in 80021, along with details on where in 80021 and at what speeds.
Quantum Fiber Fiber in 80021, CO
Quantum Fiber fiber coverage
About 21.34%, or 7,715 people, have Quantum Fiber fiber internet available to them in the zip. The company covers the northwest, northeast, north, southwest, central, west, and east 80021 area. Quantum Fiber is one of the largest internet service providers internet service providers in the US, with internet service available in a small portion of 80021.
Quantum Fiber fiber download speeds
Quantum Fiber is above average when comparing download speeds to all other internet providers in 80021. Versus other fiber providers in the area, Quantum Fiber fiber is above average. There are 3 different maximum speeds throughout 80021. The fastest plan anyone in 80021 can order from Quantum Fiber goes up to 2,000 Mbps, the slowest package only goes up to 940 Mbps, and the zip-wide average maximum speed for 80021 customers is up to 1,177 Mbps.
Show all download speeds
- 20.6% up to 2,000.0 Mbps
- 31.2% up to 1,000.0 Mbps
- 48.2% up to 940.0 Mbps
Quantum Fiber fiber upload speeds
In 80021 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 80021 fiber providers. Quantum Fiber offers 2 different upload speeds across the zip, so your internet plan's upload speed may vary by neighborhood . The fastest upload speed available to anyone from this ISP in 80021 is up to 1,000 Mbps. Some customers have slower plan choices, which only go up to 940 Mbps. On average, Quantum Fiber customers can get speeds up to 971 Mbps.
Show all upload speeds
- 51.8% up to 1,000.0 Mbps
- 48.2% up to 940.0 Mbps
Centurylink Fiber in 80021, CO
Centurylink fiber coverage
About 20.26%, or 7,328 people, have Centurylink fiber internet available to them in the zip. The company covers the entire 80021 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 80021.
Centurylink fiber download speeds
Centurylink is above average when comparing download speeds to all other internet providers in 80021. Versus other fiber providers in the area, Centurylink fiber is the slowest. There are 4 different maximum speeds throughout 80021. The fastest plan anyone in 80021 can order from Centurylink goes up to 1,000 Mbps, the slowest package only goes up to 100 Mbps, and the zip-wide average maximum speed for 80021 customers is up to 944 Mbps.
Show all download speeds
- 70.1% up to 1,000.0 Mbps
- 24.8% up to 940.0 Mbps
- 4.6% up to 200.0 Mbps
- 0.5% up to 100.0 Mbps
Centurylink fiber upload speeds
In 80021 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 80021 fiber providers. Centurylink offers 4 different upload speeds across the zip, so your internet plan's upload speed may vary by neighborhood . The fastest upload speed available to anyone from this ISP in 80021 is up to 1,000 Mbps. Some customers have slower plan choices, which only go up to 100 Mbps. On average, Centurylink customers can get speeds up to 873 Mbps.
Show all upload speeds
- 70.1% up to 1,000.0 Mbps
- 15.2% up to 940.0 Mbps
- 14.2% up to 200.0 Mbps
- 0.5% up to 100.0 Mbps
XFINITY from Comcast Fiber in 80021, CO
XFINITY fiber coverage
About 3.52%, or 1,274 people, have XFINITY fiber internet available to them in the zip. The company covers the northwest 80021 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 80021.
XFINITY from Comcast fiber download speeds
XFINITY is above average when comparing download speeds to all other internet providers in 80021. Versus other fiber providers in the area, XFINITY fiber is the fastest. There are no different maximum speeds throughout 80021. The fastest plan anyone in 80021 can order from XFINITY goes up to 1,200 Mbps, and all 80021 customers can get this speed.
Show all download speeds
- 100.0% up to 1,200.0 Mbps
XFINITY from Comcast fiber upload speeds
In 80021 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 the slowest compared to other 80021 fiber providers. XFINITY offers no different upload speeds across the zip. The fastest upload speed available to anyone from this ISP in 80021 is up to 35 Mbps, which is available to everyone covered.
Show all upload speeds
- 100.0% up to 35.0 Mbps
80021 Fiber by Area
This information is most helpful to those looking for homes or considering moving to 80021 or any of the areas nearby.
How does fiber internet in 80021 compare to the rest of Colorado?
Fiber internet speeds in 80021 are much faster versus the average speeds in Colorado: 0.00 Mbps in Colorado versus 1,189 Mbps in the zip. The state has similar fiber availability compared to the zip. Average fiber coverage in Colorado is 0.00% versus 21.79% in 80021.
What zip codes have fiber internet?
Fiber internet coverage varies by zip code and neighborhood. Some examples in or around 80021 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 zip codes?
Below are zip codes nearby and with similar populations. This comparison can be useful if living somewhere with fast internet is important to you.
Nearby Zip Codes
- 80005, CO: more fiber coverage, faster speeds
- 80031, CO: more fiber coverage, faster speeds
- 80020, CO: more fiber coverage, faster speeds
- 80003, CO: more fiber coverage, faster speeds
- 80004, CO: more fiber coverage, faster speeds
- 80030, CO: more fiber coverage, faster speeds
- 80260, CO: more fiber coverage, faster speeds
- 80234, CO: more fiber coverage, faster speeds
- 80007, CO: more fiber coverage, faster speeds
- 80027, CO: more fiber coverage, faster speeds
Zip Codes with Similar Populations
- 89102, NV: more fiber coverage, faster speeds
- 32607, FL: more fiber coverage, faster speeds
- 32707, FL: more fiber coverage, faster speeds
- 32810, FL: more fiber coverage, faster speeds
- 32832, FL: more fiber coverage, faster speeds
- 32904, FL: more fiber coverage, faster speeds
- 32909, FL: more fiber coverage, faster speeds
- 38018, TN: more fiber coverage, faster speeds
- 85043, AZ: less fiber coverage, faster speeds
- 85745, AZ: more fiber coverage, faster speeds