In 54166 there are 2 residential DSL providers covering 68.84% of the zip. 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 54166, WI.
To see availability maps for all providers including fiber, cable, DSL, and more in 54166, WI please click below.
DSL Internet Service Providers in 54166
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 54166 are not shown.
54166 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 54166 is DSL internet available?

DSL Internet Availability Key
DSL is available in 68.84% of 54166. 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 54166 above to see who has service at your home.
How fast is DSL internet in 54166?
The map below shows maximum DSL internet speeds by area in 54166.

DSL Internet Speed Key
The average 54166 home can get up to 38 Mbps on their DSL internet plan. The fastest DSL download speed in the zip is 115 Mbps, which 6.27% of residents can get. Some homes and apartments do not have access to these speeds. On the slower end, for example, 43.94% of homes can only purchase plans up to 10 Mbps. See the internet provider details below for info about their speed and coverage in 54166.
DSL internet speeds tend to be faster in the southeast parts of 54166, and slower in the north areas of the zip.
Is DSL the fastest internet I can get in 54166?
The fastest internet for you may vary based on where in 54166 you live. In general, fiber competes most often with DSL in the zip.
- Fiber is the fastest internet type for 83.50% of 54166 homes.
- Cable is fastest for 13.90% of the zip.
- DSL is fastest for less than 1%.
- Fixed wireless is fastest for 1.98%.
- Satellite internet may be the only option for less than 1% of 54166 homes.
DSL Providers in Depth
Below you'll find which TV and internet providers offer service in 54166, along with details on where in 54166 and at what speeds.
Frontier Communications DSL in 54166, WI

Frontier DSL coverage
About 68.28%, or 11,426 people, have Frontier DSL internet available to them in the zip. The company covers the entire 54166 area. Frontier is one of the largest internet service providers internet service providers in the US, with internet service available in much of 54166.
Frontier Communications DSL download speeds
Frontier is below average when comparing download speeds to all other internet providers in 54166. Versus other DSL providers in the area, Frontier DSL is the slowest. There are 5 different maximum speeds throughout 54166. The fastest plan anyone in 54166 can order from Frontier goes up to 115 Mbps, the slowest package only goes up to 10 Mbps, and the zip-wide average maximum speed for 54166 customers is up to 38 Mbps.
Show all download speeds
- 9.2% up to 115.0 Mbps
- 17.7% up to 90.0 Mbps
- 2.7% up to 70.0 Mbps
- 6.0% up to 45.0 Mbps
- 64.4% up to 10.0 Mbps
Frontier Communications DSL upload speeds
In 54166 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 slowest compared to other 54166 DSL providers. Frontier 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 54166 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
- 9.2% up to 7.0 Mbps
- 17.7% up to 5.0 Mbps
- 8.7% up to 3.0 Mbps
- 64.4% up to 1.0 Mbps
TDS DSL in 54166, WI

TDS DSL coverage
About 1.57%, or 262 people, have TDS DSL internet available to them in the zip. The company covers the southeast 54166 area. TDS is a large internet service provider internet service providers in the US, with internet service available in a very small piece of 54166.
TDS DSL download speeds
TDS is below average when comparing download speeds to all other internet providers in 54166. Versus other DSL providers in the area, TDS DSL is the fastest. There are 4 different maximum speeds throughout 54166. The fastest plan anyone in 54166 can order from TDS goes up to 100 Mbps, the slowest package only goes up to 10 Mbps, and the zip-wide average maximum speed for 54166 customers is up to 38 Mbps.
Show all download speeds
- 19.1% up to 100.0 Mbps
- 16.4% up to 50.0 Mbps
- 30.5% up to 25.0 Mbps
- 34.0% up to 10.0 Mbps
TDS DSL upload speeds
In 54166 download speeds tend to be faster than than upload speeds for TDS DSL. Compared to other ISPs, TDS is below average where upload speeds are concerned, and the fastest compared to other 54166 DSL providers. TDS 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 54166 is up to 15 Mbps. Some customers have slower plan choices, which only go up to 1.0 Mbps. On average, TDS customers can get speeds up to 6.4 Mbps.
Show all upload speeds
- 19.1% up to 15.0 Mbps
- 16.4% up to 10.0 Mbps
- 30.5% up to 5.0 Mbps
- 34.0% up to 1.0 Mbps
54166 DSL by Area
This information is most helpful to those looking for homes or considering moving to 54166 or any of the areas nearby.
How does DSL internet in 54166 compare to the rest of Wisconsin?
DSL internet speeds in 54166 are much faster versus the average speeds in Wisconsin: 0.00 Mbps in Wisconsin versus 38 Mbps in the zip. The state has similar DSL availability compared to the zip. Average DSL coverage in Wisconsin is 0.00% versus 68.84% in 54166.
What zip codes have DSL internet?
DSL internet coverage varies by zip code and neighborhood. Some examples in or around 54166 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 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
- 54135, WI: less DSL coverage, slower speeds
- 54107, WI: more DSL coverage, faster speeds
- 54111, WI: more DSL coverage, faster speeds
- 54933, WI: more DSL coverage, slower speeds
- 54128, WI: more DSL coverage, faster speeds
- 54929, WI: more DSL coverage, slower speeds
- 54948, WI: more DSL coverage, faster speeds
- 54124, WI: more DSL coverage, faster speeds
- 54978, WI: more DSL coverage, faster speeds
- 54928, WI: more DSL coverage, faster speeds
Zip Codes with Similar Populations
- 50316, IA: more DSL coverage, faster speeds
- 77868, TX: more DSL coverage, slower speeds
- 30824, GA: less DSL coverage, slower speeds
- 78642, TX: less DSL coverage, slower speeds
- 88021, NM: more DSL coverage, faster speeds
- 28307, NC: less DSL coverage, slower speeds
- 89403, NV: less DSL coverage, slower speeds
- 19512, PA: more DSL coverage, faster speeds
- 06483, CT: more DSL coverage, faster speeds
- 17070, PA: less DSL coverage, slower speeds


