In 80305 there are 2 residential Fiber providers covering 68.56% of the zip. The average home can get speeds up to 2,000 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 80305, CO.
To see availability maps for all providers including fiber, cable, DSL, and more in 80305, CO please click below.
Fiber Internet Service Providers in 80305
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 80305 are not shown.
80305 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 80305 is fiber internet available?

Fiber Internet Availability Key
Fiber is available in 68.56% of 80305. 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 80305 above to see who has service at your home.
How fast is fiber internet in 80305?
The map below shows maximum fiber internet speeds by area in 80305.

Fiber Internet Speed Key
The average 80305 home can get up to 2,000 Mbps on their fiber internet plan. The fastest fiber download speed in the zip is 2,000 Mbps, which 68.56% of residents can get.
Is fiber the fastest internet I can get in 80305?
The fastest internet for you may vary based on where in 80305 you live. In general, cable competes most often with fiber in the zip.
- Fiber is the fastest internet type for 68.56% of 80305 homes.
- Cable is fastest for 31.35% 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 80305 homes.
Fiber Providers in Depth
Below you'll find which TV and internet providers offer service in 80305, along with details on where in 80305 and at what speeds.
Quantum Fiber Fiber in 80305, CO

Quantum Fiber fiber coverage
About 68.56%, or 11,863 people, have Quantum Fiber fiber internet available to them in the zip. The company covers the entire 80305 area. Quantum Fiber is one of the largest internet service providers internet service providers in the US, with internet service available in much of 80305.
Quantum Fiber fiber download speeds
Quantum Fiber is the fastest when comparing download speeds to all other internet providers in 80305. Versus other fiber providers in the area, Quantum Fiber fiber is the fastest. There are no different maximum speeds throughout 80305. The fastest plan anyone in 80305 can order from Quantum Fiber goes up to 2,000 Mbps, and all 80305 customers can get this speed.
Show all download speeds
- 100.0% up to 2,000.0 Mbps
Quantum Fiber fiber upload speeds
In 80305 download speeds tend to be faster than than upload speeds for Quantum Fiber fiber. Compared to other ISPs, Quantum Fiber is one of the fastest where upload speeds are concerned, and the fastest compared to other 80305 fiber providers. Quantum Fiber offers no different upload speeds across the zip. The fastest upload speed available to anyone from this ISP in 80305 is up to 1,000 Mbps, which is available to everyone covered.
Show all upload speeds
- 100.0% up to 1,000.0 Mbps
Centurylink Fiber in 80305, CO

Centurylink fiber coverage
About 68.40%, or 11,835 people, have Centurylink fiber internet available to them in the zip. The company covers the entire 80305 area. Centurylink is one of the largest internet service providers internet service providers in the US, with internet service available in much of 80305.
Centurylink fiber download speeds
Centurylink is above average when comparing download speeds to all other internet providers in 80305. Versus other fiber providers in the area, Centurylink fiber is the slowest. There are 4 different maximum speeds throughout 80305. The fastest plan anyone in 80305 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 80305 customers is up to 958 Mbps.
Show all download speeds
- 57.4% up to 1,000.0 Mbps
- 40.7% up to 940.0 Mbps
- 0.4% up to 200.0 Mbps
- 1.6% up to 100.0 Mbps
Centurylink fiber upload speeds
In 80305 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 the slowest compared to other 80305 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 80305 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 946 Mbps.
Show all upload speeds
- 57.4% up to 1,000.0 Mbps
- 39.1% up to 940.0 Mbps
- 2.0% up to 200.0 Mbps
- 1.6% up to 100.0 Mbps
80305 Fiber by Area
This information is most helpful to those looking for homes or considering moving to 80305 or any of the areas nearby.
How does fiber internet in 80305 compare to the rest of Colorado?
Fiber internet speeds in 80305 are much faster versus the average speeds in Colorado: 0.00 Mbps in Colorado versus 2,000 Mbps in the zip. The state has similar fiber availability compared to the zip. Average fiber coverage in Colorado is 0.00% versus 68.56% in 80305.
What zip codes have fiber internet?
Fiber internet coverage varies by zip code and neighborhood. Some examples in or around 80305 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
- 80303, CO: less fiber coverage, slower speeds
- 80302, CO: less fiber coverage, slower speeds
- 80304, CO: less fiber coverage, slower speeds
- 80301, CO: less fiber coverage, slower speeds
- 80027, CO: less fiber coverage, slower speeds
- 80026, CO: less fiber coverage, slower speeds
- 80007, CO: less fiber coverage, slower speeds
- 80021, CO: less fiber coverage, slower speeds
- 80020, CO: less fiber coverage, slower speeds
- 80516, CO: less fiber coverage, faster speeds
Zip Codes with Similar Populations
- 70535, LA: more fiber coverage, faster speeds
- 35016, AL: more fiber coverage, slower speeds
- 35071, AL: more fiber coverage, faster speeds
- 35903, AL: less fiber coverage, faster speeds
- 38108, TN: less fiber coverage, faster speeds
- 47112, IN: less fiber coverage, slower speeds
- 48202, MI: less fiber coverage, faster speeds
- 49829, MI: more fiber coverage, slower speeds
- 56073, MN: more fiber coverage, slower speeds
- 59803, MT: less fiber coverage, slower speeds


