In Colby there is 1 residential DSL provider covering 97.85% of the city. The average home can get speeds up to 38 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 DSL internet providers in Colby, WI.
To see availability maps for all providers including fiber, cable, DSL, and more in Colby, WI please click below.
DSL Internet Service Provider in Colby
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 Colby are not shown.
Colby 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 Colby is DSL internet available?

DSL Internet Availability Key
DSL is available in 97.85% of Colby. Areas in green have DSL internet service, where areas in yellow or red may not. The most widely available provider is Frontier. Call one of the companies with service in Colby above to see who has service at your home.
How fast is DSL internet in Colby?
The map below shows maximum DSL internet speeds by area in Colby.

DSL Internet Speed Key
The average Colby home can get up to 38 Mbps on their DSL internet plan. The fastest DSL download speed in the city is 115 Mbps, which 17.34% of residents can get. Some homes and apartments do not have access to these speeds. On the slower end, for example, 65.28% of homes can only purchase plans up to 10 Mbps. See the internet provider details below for info about their speed and coverage in Colby.
DSL internet speeds tend to be faster in the east parts of Colby, and slower in the south areas of the city.
Is DSL the fastest internet I can get in Colby?
The fastest internet for you may vary based on where in Colby you live. In general, cable competes most often with DSL in the city.
- Fiber is the fastest internet type for 34.02% of Colby homes.
- Cable is fastest for 59.14% of the city.
- DSL is fastest for 2.12%.
- Fixed wireless is fastest for 4.72%.
- Satellite internet may be the only option for less than 1% of Colby homes.
DSL Providers in Depth
Below you'll find which TV and internet providers offer service in Colby, along with details on where in Colby and at what speeds.
Frontier Communications DSL in Colby, WI

Frontier DSL coverage
About 97.85%, or 3,233 people, have Frontier DSL internet available to them in the city. The company covers the entire Colby area. Frontier is one of the largest internet service providers internet service providers in the US, with internet service available in most of Colby.
Frontier Communications DSL download speeds
Frontier is below average when comparing download speeds to all other internet providers in Colby. Versus other DSL providers in the area, Frontier DSL is the fastest. There are 5 different maximum speeds throughout Colby. The fastest plan anyone in Colby can order from Frontier goes up to 115 Mbps, the slowest package only goes up to 10 Mbps, and the city-wide average maximum speed for Colby customers is up to 38 Mbps.
Show all download speeds
- 17.7% up to 115.0 Mbps
- 3.5% up to 90.0 Mbps
- 7.5% up to 70.0 Mbps
- 4.5% up to 45.0 Mbps
- 66.7% up to 10.0 Mbps
Frontier Communications DSL upload speeds
In Colby download speeds tend to be faster than than upload speeds for Frontier DSL. Compared to other ISPs, Frontier is below average where upload speeds are concerned, and the fastest compared to other Colby DSL providers. Frontier offers 4 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 Colby is up to 7.0 Mbps. Some customers have slower plan choices, which only go up to 1.0 Mbps. On average, Frontier customers can get speeds up to 2.4 Mbps.
Show all upload speeds
- 17.7% up to 7.0 Mbps
- 3.5% up to 5.0 Mbps
- 12.1% up to 3.0 Mbps
- 66.7% up to 1.0 Mbps
Colby DSL by Area
This information is most helpful to those looking for homes or considering moving to Colby or any of the areas nearby.
How does DSL internet in Colby compare to the rest of Wisconsin?
DSL internet speeds in Colby are much faster versus the average speeds in Wisconsin: 0.00 Mbps in Wisconsin versus 38 Mbps in the city. The state has similar DSL availability compared to the city. Average DSL coverage in Wisconsin is 0.00% versus 97.85% in Colby.
What zip codes have DSL internet?
DSL internet coverage varies by zip code and neighborhood. Some examples in or around Colby are shown below. You can enter any zip code here to see TV and internet providers by zip code.
What does DSL 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
- Abbotsford, WI: less DSL coverage, faster speeds
- Unity, WI: less DSL coverage, faster speeds
- Milan, WI: less DSL coverage, faster speeds
- Dorchester, WI: more DSL coverage, faster speeds
- Riplinger, WI: more DSL coverage, faster speeds
- Curtiss, WI: less DSL coverage, faster speeds
- Spencer, WI: less DSL coverage, faster speeds
- Stetsonville, WI: less DSL coverage, faster speeds
- Corinth, WI: more DSL coverage, faster speeds
- Owen, WI: less DSL coverage, faster speeds
Cities with Similar Populations
- Petersburg, AK: less DSL coverage, faster speeds
- Port Allegany, PA: less DSL coverage, slower speeds
- Wray, CO: less DSL coverage, slower speeds
- Dulce, NM: less DSL coverage, faster speeds
- Guin, AL: less DSL coverage, slower speeds
- North Waterboro, ME: less DSL coverage, slower speeds
- New Waterford, OH: less DSL coverage, slower speeds
- Sharpsburg, PA: less DSL coverage, slower speeds
- Spencer, NY: less DSL coverage, faster speeds
- Big Sky, MT: less DSL coverage, slower speeds


