In 54421 there are 11 residential internet providers covering 100.00% of the zip. The average home can get speeds up to 915 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.
Jump to Availability Maps
11 Internet Service Providers in 54421
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 54421 are not shown.
54421 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
Availability maps for all providers in 54421
Using the dropdown below, please select a provider. Green indicates nearly all homes have service, red indicates few homes have service, and blank indicates no service.
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Internet service is available in 100.00% of 54421. Using our interactive availability map, you can compare service areas for different providers, we include fiber, cable, DSL, or fixed wireless internet service for all providers who offer it. You will notice that some providers might be listed multiple times for each service. If you find no providers cover the location you're looking at, you can opt for satellite service. The most widely available provider is Spectrum. Now you can call companies in 54421 with more confidence that they might be available.
How fast are internet speeds in 54421?
The map below shows maximum internet speeds by area in 54421.
Internet Speed Key
The average 54421 home can get up to 915 Mbps on their internet plan. For most people, the fastest download speed in the zip is 1,000 Mbps, which 89.44% of residents can get. Some homes and apartments do not have access to these speeds. On the slower end, for example, 3.84% of homes can only purchase plans up to 100 Mbps. See the internet provider details below for info about their speed and coverage in 54421.
Internet speeds tend to be faster in the central parts of 54421, and slower in the northwest areas of the zip.
What type of internet should I choose in 54421?
The fastest internet for you may vary based on where in 54421 you live. If speed is your main concern, cable will be the fastest internet in the zip.
- Fiber is the fastest internet type for 33.38% of 54421 homes.
- Cable is fastest for 56.06% of the zip.
- DSL is fastest for 1.95%.
- Fixed wireless is fastest for 8.62%.
- Satellite internet may be the only option for less than 1% of 54421 homes.
Internet Market Health in 54421
Internet Competition Key
The map shows how competitive the 54421 internet service market is. Areas in green have more alternatives, areas in yellow have a few choices, and areas in red may have only one provider. More competition usually means faster speeds and better prices for you, the customer.
Below are quick facts on internet competition and market health in 54421 based on what connections the average home has availabile:
- Average number of internet service providers to a home: 5.1 (healthy)
- Average types of service (fiber, cable, DSL, etc): 2.9 (healthy)
- Average providers with broadband (25 Mbps+) speeds: 4.2 (unhealthy)
Overall, competition is healthy.
54421 internet customers have the ability to buy internet service from 2 to 8 different providers, depending on where they live. For different types of service, 54421 homes have between 1 and 4 options. The type(s) of service available are fixed wireless, dsl, cable, and fiber, though these may vary depending on the region within the zip.
When it comes to broadband download speeds faster than 25 Mbps, the situation is worse. 54421 internet customers who want faster speeds have between 1 and 8 choices of companies offering speeds up to or over 25 Mbps.
More internet companies with faster speeds means fewer monopolies and better prices for customers. In promoting a free market for internet, 54421 is doing better than most.
TV & Internet Providers in Depth
Below you'll find which TV and internet providers offer service in 54421, along with details on where in 54421 and at what speeds.
Frontier Communications DSL in 54421, WI
Frontier DSL coverage
About 97.69%, or 3,515 people, have Frontier DSL internet available to them in the zip. The company covers the entire 54421 area. Frontier is one of the largest internet service providers internet service providers in the US, with internet service available in most of 54421.
Frontier Communications DSL download speeds
Frontier is below average when comparing download speeds to all other internet providers in 54421. Versus other DSL providers in the area, Frontier DSL is the fastest. There are 5 different maximum speeds throughout 54421. The fastest plan anyone in 54421 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 54421 customers is up to 40 Mbps.
Show all download speeds
- 19.7% up to 115.0 Mbps
- 5.4% up to 90.0 Mbps
- 6.7% up to 70.0 Mbps
- 4.1% up to 45.0 Mbps
- 64.2% up to 10.0 Mbps
Frontier Communications DSL upload speeds
In 54421 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 54421 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 54421 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 2.6 Mbps.
Show all upload speeds
- 19.7% up to 7.0 Mbps
- 5.4% up to 5.0 Mbps
- 10.7% up to 3.0 Mbps
- 64.2% up to 1.0 Mbps
Spectrum Cable in 54421, WI
Spectrum cable coverage
About 60.31%, or 2,170 people, have Spectrum cable internet available to them in the zip. The company covers the entire 54421 area. Spectrum is one of the largest internet service providers internet service providers in the US, with internet service available in a majority of 54421.
Spectrum cable download speeds
Spectrum is one of the fastest when comparing download speeds to all other internet providers in 54421. Versus other cable providers in the area, Spectrum cable is the fastest. There are no different maximum speeds throughout 54421. The fastest plan anyone in 54421 can order from Spectrum goes up to 1,000 Mbps, and all 54421 customers can get this speed.
Show all download speeds
- 100.0% up to 1,000.0 Mbps
Spectrum cable upload speeds
In 54421 download speeds tend to be faster than than upload speeds for Spectrum cable. Compared to other ISPs, Spectrum is below average where upload speeds are concerned, and the fastest compared to other 54421 cable providers. Spectrum offers no different upload speeds across the zip. The fastest upload speed available to anyone from this ISP in 54421 is up to 35 Mbps, which is available to everyone covered.
Show all upload speeds
- 100.0% up to 35.0 Mbps
Spectrum Fiber in 54421, WI
Spectrum fiber coverage
About 33.38%, or 1,201 people, have Spectrum fiber internet available to them in the zip. The company covers the southwest, southeast, northeast, and east 54421 area. Spectrum is one of the largest internet service providers internet service providers in the US, with internet service available in a small portion of 54421.
Spectrum fiber download speeds
Spectrum is one of the fastest when comparing download speeds to all other internet providers in 54421. Versus other fiber providers in the area, Spectrum fiber is the fastest. There are no different maximum speeds throughout 54421. The fastest plan anyone in 54421 can order from Spectrum goes up to 1,000 Mbps, and all 54421 customers can get this speed.
Show all download speeds
- 100.0% up to 1,000.0 Mbps
Spectrum fiber upload speeds
In 54421 download speeds tend to be faster than than upload speeds for Spectrum fiber. Compared to other ISPs, Spectrum is the fastest where upload speeds are concerned, and the fastest compared to other 54421 fiber providers. Spectrum 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 54421 is up to 500 Mbps. Some customers have slower plan choices, which only go up to 35 Mbps. On average, Spectrum customers can get speeds up to 433 Mbps.
Show all upload speeds
- 85.5% up to 500.0 Mbps
- 14.5% up to 35.0 Mbps
Country Wireless Fixed Wireless in 54421, WI
Country Wireless fixed wireless coverage
About 100.00%, or 3,598 people, have Country Wireless fixed wireless internet available to them in the zip. The company covers the entire 54421 area. Country Wireless is a large internet service provider internet service providers in the US, with internet service available in every corner of 54421.
Country Wireless fixed wireless download speeds
Country Wireless is below average when comparing download speeds to all other internet providers in 54421. Versus other fixed wireless providers in the area, Country Wireless fixed wireless is above average. There are no different maximum speeds throughout 54421. The fastest plan anyone in 54421 can order from Country Wireless goes up to 100 Mbps, and all 54421 customers can get this speed.
Show all download speeds
- 100.0% up to 100.0 Mbps
Country Wireless fixed wireless upload speeds
In 54421 download speeds tend to be equal to than upload speeds for Country Wireless fixed wireless. Compared to other ISPs, Country Wireless is above average where upload speeds are concerned, and the fastest compared to other 54421 fixed wireless providers. Country Wireless offers no different upload speeds across the zip. The fastest upload speed available to anyone from this ISP in 54421 is up to 100 Mbps, which is available to everyone covered.
Show all upload speeds
- 100.0% up to 100.0 Mbps
EarthLink Fixed Wireless in 54421, WI
EarthLink fixed wireless coverage
About 66.68%, or 2,399 people, have EarthLink fixed wireless internet available to them in the zip. The company covers the north, southwest, southeast, northwest, central, west, northeast, and east 54421 area. EarthLink is one of the largest internet service providers internet service providers in the US, with internet service available in much of 54421.
EarthLink fixed wireless download speeds
EarthLink is below average when comparing download speeds to all other internet providers in 54421. Versus other fixed wireless providers in the area, EarthLink fixed wireless is below average. There are 2 different maximum speeds throughout 54421. The fastest plan anyone in 54421 can order from EarthLink goes up to 100 Mbps, the slowest package only goes up to 25 Mbps, and the zip-wide average maximum speed for 54421 customers is up to 27 Mbps.
Show all download speeds
- 3.3% up to 100.0 Mbps
- 96.7% up to 25.0 Mbps
EarthLink fixed wireless upload speeds
In 54421 download speeds tend to be faster than than upload speeds for EarthLink fixed wireless. Compared to other ISPs, EarthLink is below average where upload speeds are concerned, and below average compared to other 54421 fixed wireless providers. EarthLink 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 54421 is up to 20 Mbps. Some customers have slower plan choices, which only go up to 3.0 Mbps. On average, EarthLink customers can get speeds up to 3.6 Mbps.
Show all upload speeds
- 3.3% up to 20.0 Mbps
- 96.7% up to 3.0 Mbps
AT&T Fixed Wireless in 54421, WI
AT&T fixed wireless coverage
About 66.68%, or 2,399 people, have AT&T fixed wireless internet available to them in the zip. The company covers the north, southwest, southeast, northwest, central, west, northeast, and east 54421 area. AT&T is one of the largest internet service providers internet service providers in the US, with internet service available in much of 54421.
AT&T fixed wireless download speeds
AT&T is below average when comparing download speeds to all other internet providers in 54421. Versus other fixed wireless providers in the area, AT&T fixed wireless is below average. There are 2 different maximum speeds throughout 54421. The fastest plan anyone in 54421 can order from AT&T goes up to 100 Mbps, the slowest package only goes up to 25 Mbps, and the zip-wide average maximum speed for 54421 customers is up to 27 Mbps.
Show all download speeds
- 3.3% up to 100.0 Mbps
- 96.7% up to 25.0 Mbps
AT&T fixed wireless upload speeds
In 54421 download speeds tend to be faster than than upload speeds for AT&T fixed wireless. Compared to other ISPs, AT&T is below average where upload speeds are concerned, and below average compared to other 54421 fixed wireless providers. AT&T 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 54421 is up to 20 Mbps. Some customers have slower plan choices, which only go up to 3.0 Mbps. On average, AT&T customers can get speeds up to 3.6 Mbps.
Show all upload speeds
- 3.3% up to 20.0 Mbps
- 96.7% up to 3.0 Mbps
US Cellular Fixed Wireless in 54421, WI
US Cellular fixed wireless coverage
About 39.69%, or 1,428 people, have US Cellular fixed wireless internet available to them in the zip. The company covers the north, southeast, central, northeast, east, and south 54421 area. US Cellular is one of the largest internet service providers internet service providers in the US, with internet service available in some of 54421.
US Cellular fixed wireless download speeds
US Cellular is the slowest when comparing download speeds to all other internet providers in 54421. Versus other fixed wireless providers in the area, US Cellular fixed wireless is the slowest. There are 2 different maximum speeds throughout 54421. The fastest plan anyone in 54421 can order from US Cellular goes up to 25 Mbps, the slowest package only goes up to 10 Mbps, and the zip-wide average maximum speed for 54421 customers is up to 18 Mbps.
Show all download speeds
- 52.5% up to 25.0 Mbps
- 47.5% up to 10.0 Mbps
US Cellular fixed wireless upload speeds
In 54421 download speeds tend to be faster than than upload speeds for US Cellular fixed wireless. Compared to other ISPs, US Cellular is the slowest where upload speeds are concerned, and the slowest compared to other 54421 fixed wireless providers. US Cellular 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 54421 is up to 3.0 Mbps. Some customers have slower plan choices, which only go up to 1.0 Mbps. On average, US Cellular customers can get speeds up to 2.1 Mbps.
Show all upload speeds
- 52.5% up to 3.0 Mbps
- 47.5% up to 1.0 Mbps
Verizon Fixed Wireless in 54421, WI
Verizon fixed wireless coverage
About 19.51%, or 702 people, have Verizon fixed wireless internet available to them in the zip. The company covers the northwest, central, north, west, east, southwest, south, and northeast 54421 area. Verizon is one of the largest internet service providers internet service providers in the US, with internet service available in a small portion of 54421.
Verizon fixed wireless download speeds
Verizon is average when comparing download speeds to all other internet providers in 54421. Versus other fixed wireless providers in the area, Verizon fixed wireless is the fastest. There are no different maximum speeds throughout 54421. The fastest plan anyone in 54421 can order from Verizon goes up to 300 Mbps, and all 54421 customers can get this speed.
Show all download speeds
- 100.0% up to 300.0 Mbps
Verizon fixed wireless upload speeds
In 54421 download speeds tend to be faster than than upload speeds for Verizon fixed wireless. Compared to other ISPs, Verizon is below average where upload speeds are concerned, and average compared to other 54421 fixed wireless providers. Verizon offers no different upload speeds across the zip. The fastest upload speed available to anyone from this ISP in 54421 is up to 20 Mbps, which is available to everyone covered.
Show all upload speeds
- 100.0% up to 20.0 Mbps
T-Mobile Home Internet Fixed Wireless in 54421, WI
T-Mobile Home Internet fixed wireless coverage
About 18.09%, or 651 people, have T-Mobile Home Internet fixed wireless internet available to them in the zip. The company covers the southeast, west, northwest, central, east, northeast, and southwest 54421 area. T-Mobile Home Internet is one of the largest internet service providers internet service providers in the US, with internet service available in a small portion of 54421.
T-Mobile Home Internet fixed wireless download speeds
T-Mobile Home Internet is below average when comparing download speeds to all other internet providers in 54421. Versus other fixed wireless providers in the area, T-Mobile Home Internet fixed wireless is below average. There are 2 different maximum speeds throughout 54421. The fastest plan anyone in 54421 can order from T-Mobile Home Internet goes up to 100 Mbps, the slowest package only goes up to 25 Mbps, and the zip-wide average maximum speed for 54421 customers is up to 27 Mbps.
Show all download speeds
- 3.1% up to 100.0 Mbps
- 96.9% up to 25.0 Mbps
T-Mobile Home Internet fixed wireless upload speeds
In 54421 download speeds tend to be faster than than upload speeds for T-Mobile Home Internet fixed wireless. Compared to other ISPs, T-Mobile Home Internet is below average where upload speeds are concerned, and below average compared to other 54421 fixed wireless providers. T-Mobile Home Internet 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 54421 is up to 20 Mbps. Some customers have slower plan choices, which only go up to 3.0 Mbps. On average, T-Mobile Home Internet customers can get speeds up to 3.5 Mbps.
Show all upload speeds
- 3.1% up to 20.0 Mbps
- 96.9% up to 3.0 Mbps
Bug Tussel Wireless Fixed Wireless in 54421, WI
Bug Tussel Wireless fixed wireless coverage
About 3.06%, or 110 people, have Bug Tussel Wireless fixed wireless internet available to them in the zip. The company covers the northeast 54421 area. Bug Tussel Wireless is a large internet service provider internet service providers in the US, with internet service available in a very small piece of 54421.
Bug Tussel Wireless fixed wireless download speeds
Bug Tussel Wireless is below average when comparing download speeds to all other internet providers in 54421. Versus other fixed wireless providers in the area, Bug Tussel Wireless fixed wireless is below average. There are no different maximum speeds throughout 54421. The fastest plan anyone in 54421 can order from Bug Tussel Wireless goes up to 50 Mbps, and all 54421 customers can get this speed.
Show all download speeds
- 100.0% up to 50.0 Mbps
Bug Tussel Wireless fixed wireless upload speeds
In 54421 download speeds tend to be faster than than upload speeds for Bug Tussel Wireless fixed wireless. Compared to other ISPs, Bug Tussel Wireless is below average where upload speeds are concerned, and below average compared to other 54421 fixed wireless providers. Bug Tussel Wireless offers no different upload speeds across the zip. The fastest upload speed available to anyone from this ISP in 54421 is up to 8.0 Mbps, which is available to everyone covered.
Show all upload speeds
- 100.0% up to 8.0 Mbps
54421 Internet by Area
This information is most helpful to those looking for homes or considering moving to 54421 or any of the areas nearby.
How does internet in 54421 compare to the rest of Wisconsin?
Internet speeds in 54421 are slower versus the average speeds in Wisconsin: 2,751 Mbps in Wisconsin versus 915 Mbps in the zip. The state has similar internet availability compared to the zip. Average internet coverage in Wisconsin is 98.77% versus 100.00% in 54421.
What zip codes have widespread internet?
Internet coverage varies by zip code and neighborhood. Some examples in or around 54421 are shown below. You can enter any zip code here to see TV and internet providers by zip code.
What does internet service 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
- 54405, WI: less internet coverage, slower speeds
- 54488, WI: equal internet coverage, slower speeds
- 54425, WI: equal internet coverage, slower speeds
- 54422, WI: less internet coverage, slower speeds
- 54480, WI: equal internet coverage, slower speeds
- 54460, WI: less internet coverage, slower speeds
- 54498, WI: less internet coverage, slower speeds
- 54426, WI: equal internet coverage, slower speeds
- 54411, WI: less internet coverage, slower speeds
- 54448, WI: less internet coverage, faster speeds
Zip Codes with Similar Populations
- 38915, MS: less internet coverage, faster speeds
- 36351, AL: equal internet coverage, faster speeds
- 36879, AL: less internet coverage, faster speeds
- 37049, TN: less internet coverage, faster speeds
- 37183, TN: less internet coverage, faster speeds
- 37362, TN: less internet coverage, faster speeds
- 37387, TN: less internet coverage, faster speeds
- 37640, TN: less internet coverage, faster speeds
- 37755, TN: equal internet coverage, faster speeds
- 37891, TN: less internet coverage, faster speeds