In 80521 there are 3 residential Fiber providers covering 70.39% of the zip. The average home can get speeds up to 9,509 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 80521, CO.
To see availability maps for all providers including fiber, cable, DSL, and more in 80521, CO please click below.
Fiber Internet Service Providers in 80521
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 80521 are not shown.
80521 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 80521 is fiber internet available?

Fiber Internet Availability Key
Fiber is available in 70.39% of 80521. Areas in green have fiber internet service, where areas in yellow or red may not. The most widely available provider is Fort Collins Connexion. Call one of the companies with service in 80521 above to see who has service at your home.
How fast is fiber internet in 80521?
The map below shows maximum fiber internet speeds by area in 80521.

Fiber Internet Speed Key
The average 80521 home can get up to 9,509 Mbps on their fiber internet plan. The fastest fiber download speed in the zip is 10,000 Mbps, which 66.53% 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 940 Mbps. See the internet provider details below for info about their speed and coverage in 80521.
Fiber internet speeds tend to be faster in the southwest parts of 80521, and slower in the northwest areas of the zip.
Is fiber the fastest internet I can get in 80521?
The fastest internet for you may vary based on where in 80521 you live. In general, cable competes most often with fiber in the zip.
- Fiber is the fastest internet type for 67.08% of 80521 homes.
- Cable is fastest for 16.71% of the zip.
- DSL is fastest for less than 1%.
- Fixed wireless is fastest for 3.76%.
- Satellite internet may be the only option for 12.44% of 80521 homes.
Fiber Providers in Depth
Below you'll find which TV and internet providers offer service in 80521, along with details on where in 80521 and at what speeds.
Fort Collins Connexion Fiber in 80521, CO

Fort Collins Connexion fiber coverage
About 66.53%, or 24,298 people, have Fort Collins Connexion fiber internet available to them in the zip. The company covers the entire 80521 area. Fort Collins Connexion is a large internet service provider internet service providers in the US, with internet service available in much of 80521.
Fort Collins Connexion fiber download speeds
Fort Collins Connexion is the fastest when comparing download speeds to all other internet providers in 80521. Versus other fiber providers in the area, Fort Collins Connexion fiber is the fastest. There are no different maximum speeds throughout 80521. The fastest plan anyone in 80521 can order from Fort Collins Connexion goes up to 10,000 Mbps, and all 80521 customers can get this speed.
Show all download speeds
- 100.0% up to 10,000.0 Mbps
Fort Collins Connexion fiber upload speeds
In 80521 download speeds tend to be equal to than upload speeds for Fort Collins Connexion fiber. Compared to other ISPs, Fort Collins Connexion is the fastest where upload speeds are concerned, and the fastest compared to other 80521 fiber providers. Fort Collins Connexion offers no different upload speeds across the zip. The fastest upload speed available to anyone from this ISP in 80521 is up to 10,000 Mbps, which is available to everyone covered.
Show all upload speeds
- 100.0% up to 10,000.0 Mbps
Quantum Fiber Fiber in 80521, CO

Quantum Fiber fiber coverage
About 22.87%, or 8,352 people, have Quantum Fiber fiber internet available to them in the zip. The company covers the south, central, west, southeast, east, northwest, and southwest 80521 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 80521.
Quantum Fiber fiber download speeds
Quantum Fiber is above average when comparing download speeds to all other internet providers in 80521. Versus other fiber providers in the area, Quantum Fiber fiber is below average. There are 2 different maximum speeds throughout 80521. The fastest plan anyone in 80521 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 80521 customers is up to 1,401 Mbps.
Show all download speeds
- 43.5% up to 2,000.0 Mbps
- 56.5% up to 940.0 Mbps
Quantum Fiber fiber upload speeds
In 80521 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 below average compared to other 80521 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 80521 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 966 Mbps.
Show all upload speeds
- 43.5% up to 1,000.0 Mbps
- 56.5% up to 940.0 Mbps
Centurylink Fiber in 80521, CO

Centurylink fiber coverage
About 18.45%, or 6,740 people, have Centurylink fiber internet available to them in the zip. The company covers the south, central, southeast, east, southwest, northwest, west, and north 80521 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 80521.
Centurylink fiber download speeds
Centurylink is below average when comparing download speeds to all other internet providers in 80521. Versus other fiber providers in the area, Centurylink fiber is below average. There are 5 different maximum speeds throughout 80521. The fastest plan anyone in 80521 can order from Centurylink goes up to 1,000 Mbps, the slowest package only goes up to 40 Mbps, and the zip-wide average maximum speed for 80521 customers is up to 901 Mbps.
Show all download speeds
- 72.3% up to 1,000.0 Mbps
- 17.4% up to 940.0 Mbps
- 5.4% up to 200.0 Mbps
- 2.9% up to 100.0 Mbps
- 2.0% up to 40.0 Mbps
Centurylink fiber upload speeds
In 80521 download speeds tend to be faster than than upload speeds for Centurylink fiber. Compared to other ISPs, Centurylink is below average where upload speeds are concerned, and below average compared to other 80521 fiber providers. Centurylink offers 6 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 80521 is up to 1,000 Mbps. Some customers have slower plan choices, which only go up to 5.0 Mbps. On average, Centurylink customers can get speeds up to 862 Mbps.
Show all upload speeds
- 72.3% up to 1,000.0 Mbps
- 12.2% up to 940.0 Mbps
- 10.5% up to 200.0 Mbps
- 2.9% up to 100.0 Mbps
- 1.7% up to 20.0 Mbps
- 0.3% up to 5.0 Mbps
80521 Fiber by Area
This information is most helpful to those looking for homes or considering moving to 80521 or any of the areas nearby.
How does fiber internet in 80521 compare to the rest of Colorado?
Fiber internet speeds in 80521 are much faster versus the average speeds in Colorado: 0.00 Mbps in Colorado versus 9,509 Mbps in the zip. The state has similar fiber availability compared to the zip. Average fiber coverage in Colorado is 0.00% versus 70.39% in 80521.
What zip codes have fiber internet?
Fiber internet coverage varies by zip code and neighborhood. Some examples in or around 80521 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
- 80526, CO: more fiber coverage, faster speeds
- 80524, CO: less fiber coverage, faster speeds
- 80525, CO: more fiber coverage, faster speeds
- 80528, CO: more fiber coverage, faster speeds
- 80547, CO: more fiber coverage, slower speeds
- 80538, CO: more fiber coverage, faster speeds
- 80550, CO: less fiber coverage, slower speeds
- 80546, CO: more fiber coverage, slower speeds
- 80515, CO: less fiber coverage, faster speeds
- 80650, CO: less fiber coverage, slower speeds
Zip Codes with Similar Populations
- 89102, NV: less fiber coverage, slower speeds
- 73120, OK: more fiber coverage, slower speeds
- 29456, SC: more fiber coverage, slower speeds
- 90621, CA: less fiber coverage, slower speeds
- 91001, CA: more fiber coverage, slower speeds
- 97526, OR: more fiber coverage, slower speeds
- 00739, PR: more fiber coverage, slower speeds
- 01810, MA: more fiber coverage, slower speeds
- 94061, CA: more fiber coverage, slower speeds
- 89523, NV: less fiber coverage, slower speeds


