In 80903 there are 6 residential Fiber providers covering 89.97% of the zip. The average home can get speeds up to 8,751 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 80903, CO.
To see availability maps for all providers including fiber, cable, DSL, and more in 80903, CO please click below.
Fiber Internet Service Providers in 80903
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 80903 are not shown.
80903 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 80903 is fiber internet available?

Fiber Internet Availability Key
Fiber is available in 89.97% of 80903. Areas in green have fiber internet service, where areas in yellow or red may not. The most widely available provider is StratusIQ. Call one of the companies with service in 80903 above to see who has service at your home.
How fast is fiber internet in 80903?
The map below shows maximum fiber internet speeds by area in 80903.

Fiber Internet Speed Key
The average 80903 home can get up to 8,751 Mbps on their fiber internet plan. The fastest fiber download speed in the zip is 10,000 Mbps, which 74.11% of residents can get. Some homes and apartments do not have access to these speeds. On the slower end, for example, 8.82% of homes can only purchase plans up to 1,000 Mbps. See the internet provider details below for info about their speed and coverage in 80903.
Fiber internet speeds tend to be faster in the north parts of 80903, and slower in the southwest areas of the zip.
Is fiber the fastest internet I can get in 80903?
The fastest internet for you may vary based on where in 80903 you live. In general, satellite competes most often with fiber in the zip.
- Fiber is the fastest internet type for 81.15% of 80903 homes.
- Cable is fastest for 9.31% 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 9.46% of 80903 homes.
Fiber Providers in Depth
Below you'll find which TV and internet providers offer service in 80903, along with details on where in 80903 and at what speeds.
Underline Fiber in 80903, CO

Underline fiber coverage
About 86.46%, or 13,648 people, have Underline fiber internet available to them in the zip. The company covers the entire 80903 area. Underline is a large internet service provider internet service providers in the US, with internet service available in most of 80903.
Underline fiber download speeds
Underline is below average when comparing download speeds to all other internet providers in 80903. Versus other fiber providers in the area, Underline fiber is below average. There are no different maximum speeds throughout 80903. The fastest plan anyone in 80903 can order from Underline goes up to 1,000 Mbps, and all 80903 customers can get this speed.
Show all download speeds
- 100.0% up to 1,000.0 Mbps
Underline fiber upload speeds
In 80903 download speeds tend to be equal to than upload speeds for Underline fiber. Compared to other ISPs, Underline is below average where upload speeds are concerned, and below average compared to other 80903 fiber providers. Underline offers no different upload speeds across the zip. The fastest upload speed available to anyone from this ISP in 80903 is up to 1,000 Mbps, which is available to everyone covered.
Show all upload speeds
- 100.0% up to 1,000.0 Mbps
Quantum Fiber Fiber in 80903, CO

Quantum Fiber fiber coverage
About 76.56%, or 12,086 people, have Quantum Fiber fiber internet available to them in the zip. The company covers the entire 80903 area. Quantum Fiber is one of the largest internet service providers internet service providers in the US, with internet service available in much of 80903.
Quantum Fiber fiber download speeds
Quantum Fiber is above average when comparing download speeds to all other internet providers in 80903. Versus other fiber providers in the area, Quantum Fiber fiber is above average. There are 4 different maximum speeds throughout 80903. The fastest plan anyone in 80903 can order from Quantum Fiber goes up to 8,000 Mbps, the slowest package only goes up to 940 Mbps, and the zip-wide average maximum speed for 80903 customers is up to 3,114 Mbps.
Show all download speeds
- 19.4% up to 8,000.0 Mbps
- 76.1% up to 2,000.0 Mbps
- 0.1% up to 1,000.0 Mbps
- 4.4% up to 940.0 Mbps
Quantum Fiber fiber upload speeds
In 80903 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 80903 fiber providers. Quantum Fiber offers 3 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 80903 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 2,353 Mbps.
Show all upload speeds
- 19.4% up to 8,000.0 Mbps
- 76.2% up to 1,000.0 Mbps
- 4.4% up to 940.0 Mbps
StratusIQ Fiber in 80903, CO

StratusIQ fiber coverage
About 74.11%, or 11,699 people, have StratusIQ fiber internet available to them in the zip. The company covers the north, central, northeast, east, northwest, south, southeast, and west 80903 area. StratusIQ is a large internet service provider internet service providers in the US, with internet service available in much of 80903.
StratusIQ fiber download speeds
StratusIQ is the fastest when comparing download speeds to all other internet providers in 80903. Versus other fiber providers in the area, StratusIQ fiber is the fastest. There are no different maximum speeds throughout 80903. The fastest plan anyone in 80903 can order from StratusIQ goes up to 10,000 Mbps, and all 80903 customers can get this speed.
Show all download speeds
- 100.0% up to 10,000.0 Mbps
StratusIQ fiber upload speeds
In 80903 download speeds tend to be equal to than upload speeds for StratusIQ fiber. Compared to other ISPs, StratusIQ is the fastest where upload speeds are concerned, and the fastest compared to other 80903 fiber providers. StratusIQ offers no different upload speeds across the zip. The fastest upload speed available to anyone from this ISP in 80903 is up to 10,000 Mbps, which is available to everyone covered.
Show all upload speeds
- 100.0% up to 10,000.0 Mbps
Centurylink Fiber in 80903, CO

Centurylink fiber coverage
About 45.86%, or 7,240 people, have Centurylink fiber internet available to them in the zip. The company covers the entire 80903 area. Centurylink is one of the largest internet service providers internet service providers in the US, with internet service available in some of 80903.
Centurylink fiber download speeds
Centurylink is below average when comparing download speeds to all other internet providers in 80903. Versus other fiber providers in the area, Centurylink fiber is the slowest. There are 6 different maximum speeds throughout 80903. The fastest plan anyone in 80903 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 80903 customers is up to 908 Mbps.
Show all download speeds
- 47.4% up to 1,000.0 Mbps
- 45.0% up to 940.0 Mbps
- 4.6% up to 200.0 Mbps
- 2.3% up to 100.0 Mbps
- 0.4% up to 80.0 Mbps
- 0.4% up to 40.0 Mbps
Centurylink fiber upload speeds
In 80903 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 80903 fiber providers. Centurylink offers 7 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 80903 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 830 Mbps.
Show all upload speeds
- 47.4% up to 1,000.0 Mbps
- 34.4% up to 940.0 Mbps
- 15.1% up to 200.0 Mbps
- 1.8% up to 100.0 Mbps
- 0.5% up to 50.0 Mbps
- 0.4% up to 10.0 Mbps
- 0.4% up to 5.0 Mbps
Secom Fiber in 80903, CO

Secom fiber coverage
About 18.20%, or 2,873 people, have Secom fiber internet available to them in the zip. The company covers the south, central, east, southwest, southeast, and west 80903 area. Secom is a large internet service provider internet service providers in the US, with internet service available in a small portion of 80903.
Secom fiber download speeds
Secom is below average when comparing download speeds to all other internet providers in 80903. Versus other fiber providers in the area, Secom fiber is below average. There are no different maximum speeds throughout 80903. The fastest plan anyone in 80903 can order from Secom goes up to 1,000 Mbps, and all 80903 customers can get this speed.
Show all download speeds
- 100.0% up to 1,000.0 Mbps
Secom fiber upload speeds
In 80903 download speeds tend to be equal to than upload speeds for Secom fiber. Compared to other ISPs, Secom is below average where upload speeds are concerned, and below average compared to other 80903 fiber providers. Secom offers no different upload speeds across the zip. The fastest upload speed available to anyone from this ISP in 80903 is up to 1,000 Mbps, which is available to everyone covered.
Show all upload speeds
- 100.0% up to 1,000.0 Mbps
XFINITY from Comcast Fiber in 80903, CO

XFINITY fiber coverage
About 1.22%, or 192 people, have XFINITY fiber internet available to them in the zip. The company covers the central and southwest 80903 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 80903.
XFINITY from Comcast fiber download speeds
XFINITY is below average when comparing download speeds to all other internet providers in 80903. Versus other fiber providers in the area, XFINITY fiber is below average. There are 2 different maximum speeds throughout 80903. The fastest plan anyone in 80903 can order from XFINITY goes up to 2,000 Mbps, the slowest package only goes up to 1,200 Mbps, and the zip-wide average maximum speed for 80903 customers is up to 1,250 Mbps.
Show all download speeds
- 6.3% up to 2,000.0 Mbps
- 93.8% up to 1,200.0 Mbps
XFINITY from Comcast fiber upload speeds
In 80903 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 80903 fiber providers. XFINITY 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 80903 is up to 250 Mbps. Some customers have slower plan choices, which only go up to 35 Mbps. On average, XFINITY customers can get speeds up to 48 Mbps.
Show all upload speeds
- 6.3% up to 250.0 Mbps
- 93.8% up to 35.0 Mbps
80903 Fiber by Area
This information is most helpful to those looking for homes or considering moving to 80903 or any of the areas nearby.
How does fiber internet in 80903 compare to the rest of Colorado?
Fiber internet speeds in 80903 are much faster versus the average speeds in Colorado: 0.00 Mbps in Colorado versus 8,751 Mbps in the zip. The state has similar fiber availability compared to the zip. Average fiber coverage in Colorado is 0.00% versus 89.97% in 80903.
What zip codes have fiber internet?
Fiber internet coverage varies by zip code and neighborhood. Some examples in or around 80903 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
- 80905, CO: more fiber coverage, slower speeds
- 80909, CO: more fiber coverage, slower speeds
- 80904, CO: less fiber coverage, slower speeds
- 80907, CO: less fiber coverage, slower speeds
- 80910, CO: less fiber coverage, faster speeds
- 80906, CO: less fiber coverage, slower speeds
- 80916, CO: less fiber coverage, slower speeds
- 80829, CO: less fiber coverage, slower speeds
- 80917, CO: less fiber coverage, slower speeds
- 80915, CO: less fiber coverage, slower speeds
Zip Codes with Similar Populations
- 48225, MI: less fiber coverage, slower speeds
- 68108, NE: less fiber coverage, slower speeds
- 67005, KS: less fiber coverage, slower speeds
- 62629, IL: less fiber coverage, slower speeds
- 60447, IL: less fiber coverage, slower speeds
- 60070, IL: less fiber coverage, slower speeds
- 55391, MN: less fiber coverage, slower speeds
- 54868, WI: less fiber coverage, slower speeds
- 53073, WI: less fiber coverage, slower speeds
- 71923, AR: less fiber coverage, slower speeds


