In Welby there are 2 residential Fiber providers covering 68.35% of the city. The average home can get speeds up to 4,260 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 Welby, CO.
To see availability maps for all providers including fiber, cable, DSL, and more in Welby, CO please click below.
Fiber Internet Service Providers in Welby
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 Welby are not shown.
Welby 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 Welby is fiber internet available?

Fiber Internet Availability Key
Fiber is available in 68.35% of Welby. 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 Welby above to see who has service at your home.
How fast is fiber internet in Welby?
The map below shows maximum fiber internet speeds by area in Welby.

Fiber Internet Speed Key
The average Welby home can get up to 4,260 Mbps on their fiber internet plan. The fastest fiber download speed in the city is 8,000 Mbps, which 26.62% of residents can get. Some homes and apartments do not have access to these speeds. On the slower end, for example, 5.25% 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 Welby.
Fiber internet speeds tend to be faster in the south parts of Welby, and slower in the west areas of the city.
Is fiber the fastest internet I can get in Welby?
The fastest internet for you may vary based on where in Welby you live. In general, cable competes most often with fiber in the city.
- Fiber is the fastest internet type for 32.46% of Welby homes.
- Cable is fastest for 67.13% of the city.
- 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 Welby homes.
Fiber Providers in Depth
Below you'll find which TV and internet providers offer service in Welby, along with details on where in Welby and at what speeds.
Quantum Fiber Fiber in Welby, CO

Quantum Fiber fiber coverage
About 63.09%, or 9,813 people, have Quantum Fiber fiber internet available to them in the city. The company covers the entire Welby area. Quantum Fiber is one of the largest internet service providers internet service providers in the US, with internet service available in a majority of Welby.
Quantum Fiber fiber download speeds
Quantum Fiber is the fastest when comparing download speeds to all other internet providers in Welby. Versus other fiber providers in the area, Quantum Fiber fiber is the fastest. There are 2 different maximum speeds throughout Welby. The fastest plan anyone in Welby can order from Quantum Fiber goes up to 8,000 Mbps, the slowest package only goes up to 2,000 Mbps, and the city-wide average maximum speed for Welby customers is up to 4,531 Mbps.
Show all download speeds
- 42.2% up to 8,000.0 Mbps
- 57.8% up to 2,000.0 Mbps
Quantum Fiber fiber upload speeds
In Welby 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 Welby fiber providers. Quantum Fiber offers 2 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 Welby is up to 8,000 Mbps. Some customers have slower plan choices, which only go up to 1,000 Mbps. On average, Quantum Fiber customers can get speeds up to 3,953 Mbps.
Show all upload speeds
- 42.2% up to 8,000.0 Mbps
- 57.8% up to 1,000.0 Mbps
Centurylink Fiber in Welby, CO

Centurylink fiber coverage
About 30.61%, or 4,760 people, have Centurylink fiber internet available to them in the city. The company covers the north, west, northeast, southwest, south, east, central, and northwest Welby 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 Welby.
Centurylink fiber download speeds
Centurylink is above average when comparing download speeds to all other internet providers in Welby. Versus other fiber providers in the area, Centurylink fiber is the slowest. There are 3 different maximum speeds throughout Welby. The fastest plan anyone in Welby can order from Centurylink goes up to 1,000 Mbps, the slowest package only goes up to 200 Mbps, and the city-wide average maximum speed for Welby customers is up to 940 Mbps.
Show all download speeds
- 42.4% up to 1,000.0 Mbps
- 54.2% up to 940.0 Mbps
- 3.5% up to 200.0 Mbps
Centurylink fiber upload speeds
In Welby 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 Welby fiber providers. Centurylink 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 Welby is up to 1,000 Mbps. Some customers have slower plan choices, which only go up to 200 Mbps. On average, Centurylink customers can get speeds up to 904 Mbps.
Show all upload speeds
- 42.4% up to 1,000.0 Mbps
- 49.3% up to 940.0 Mbps
- 8.4% up to 200.0 Mbps
Welby Fiber by Area
This information is most helpful to those looking for homes or considering moving to Welby or any of the areas nearby.
How does fiber internet in Welby compare to the rest of Colorado?
Fiber internet speeds in Welby are much faster versus the average speeds in Colorado: 0.00 Mbps in Colorado versus 4,260 Mbps in the city. The state has similar fiber availability compared to the city. Average fiber coverage in Colorado is 0.00% versus 68.35% in Welby.
What zip codes have fiber internet?
Fiber internet coverage varies by zip code and neighborhood. Some examples in or around Welby 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
- Sherrelwood, CO: more fiber coverage, slower speeds
- Derby, CO: more fiber coverage, slower speeds
- North Washington, CO: less fiber coverage, faster speeds
- Federal Heights, CO: less fiber coverage, faster speeds
- Thornton, CO: less fiber coverage, slower speeds
- Northglenn, CO: less fiber coverage, faster speeds
- Westminster, CO: less fiber coverage, slower speeds
- Berkley, CO: more fiber coverage, slower speeds
- Henderson, CO: less fiber coverage, faster speeds
- Mountain View, CO: more fiber coverage, slower speeds
Cities with Similar Populations
- Burley, ID: more fiber coverage, faster speeds
- Vermilion, OH: more fiber coverage, slower speeds
- Verona, NJ: more fiber coverage, slower speeds
- Vidalia, GA: more fiber coverage, slower speeds
- Adelphi, MD: more fiber coverage, slower speeds
- West Haven, UT: more fiber coverage, faster speeds
- Carmel, NY: more fiber coverage, slower speeds
- Cape May Court House, NJ: more fiber coverage, slower speeds
- Canton, NC: less fiber coverage, slower speeds
- Camby, IN: more fiber coverage, slower speeds


