In 53821 there are 2 residential Fiber providers covering 2.10% of the zip. The average home can get speeds up to 1,000 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 53821, WI.
To see availability maps for all providers including fiber, cable, DSL, and more in 53821, WI please click below.
Fiber Internet Service Providers in 53821
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 53821 are not shown.
53821 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 53821 is fiber internet available?
Fiber Internet Availability Key
Fiber is available in 2.10% of 53821. Areas in green have fiber internet service, where areas in yellow or red may not. The most widely available provider is Centurylink. Call one of the companies with service in 53821 above to see who has service at your home.
How fast is fiber internet in 53821?
The map below shows maximum fiber internet speeds by area in 53821.
Fiber Internet Speed Key
The average 53821 home can get up to 1,000 Mbps on their fiber internet plan. The fastest fiber download speed in the zip is 1,000 Mbps, which 2.10% of residents can get.
Is fiber the fastest internet I can get in 53821?
The fastest internet for you may vary based on where in 53821 you live. In general, cable competes most often with fiber in the zip.
- Fiber is the fastest internet type for 2.10% of 53821 homes.
- Cable is fastest for 79.42% of the zip.
- DSL is fastest for 9.47%.
- Fixed wireless is fastest for 2.64%.
- Satellite internet may be the only option for 6.37% of 53821 homes.
Fiber Providers in Depth
Below you'll find which TV and internet providers offer service in 53821, along with details on where in 53821 and at what speeds.
Centurylink Fiber in 53821, WI
Centurylink fiber coverage
About 2.10%, or 165 people, have Centurylink fiber internet available to them in the zip. The company covers the north and southeast 53821 area. Centurylink is one of the largest internet service providers internet service providers in the US, with internet service available in a very small piece of 53821.
Centurylink fiber download speeds
Centurylink is one of the fastest when comparing download speeds to all other internet providers in 53821. Versus other fiber providers in the area, Centurylink fiber is one of the fastest. There are no different maximum speeds throughout 53821. The fastest plan anyone in 53821 can order from Centurylink goes up to 1,000 Mbps, and all 53821 customers can get this speed.
Show all download speeds
- 100.0% up to 1,000.0 Mbps
Centurylink fiber upload speeds
In 53821 download speeds tend to be equal to than upload speeds for Centurylink fiber. Compared to other ISPs, Centurylink is one of the fastest where upload speeds are concerned, and one of the fastest compared to other 53821 fiber providers. Centurylink offers no different upload speeds across the zip. The fastest upload speed available to anyone from this ISP in 53821 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 53821, WI
Quantum Fiber fiber coverage
About 1.49%, or 117 people, have Quantum Fiber fiber internet available to them in the zip. The company covers the north 53821 area. Quantum Fiber is one of the largest internet service providers internet service providers in the US, with internet service available in a very small piece of 53821.
Quantum Fiber fiber download speeds
Quantum Fiber is one of the fastest when comparing download speeds to all other internet providers in 53821. Versus other fiber providers in the area, Quantum Fiber fiber is one of the fastest. There are no different maximum speeds throughout 53821. The fastest plan anyone in 53821 can order from Quantum Fiber goes up to 1,000 Mbps, and all 53821 customers can get this speed.
Show all download speeds
- 100.0% up to 1,000.0 Mbps
Quantum Fiber fiber upload speeds
In 53821 download speeds tend to be equal to than upload speeds for Quantum Fiber fiber. Compared to other ISPs, Quantum Fiber is one of the fastest where upload speeds are concerned, and one of the fastest compared to other 53821 fiber providers. Quantum Fiber offers no different upload speeds across the zip. The fastest upload speed available to anyone from this ISP in 53821 is up to 1,000 Mbps, which is available to everyone covered.
Show all upload speeds
- 100.0% up to 1,000.0 Mbps
53821 Fiber by Area
This information is most helpful to those looking for homes or considering moving to 53821 or any of the areas nearby.
How does fiber internet in 53821 compare to the rest of Wisconsin?
Fiber internet speeds in 53821 are much faster versus the average speeds in Wisconsin: 0.00 Mbps in Wisconsin versus 1,000 Mbps in the zip. The state has similar fiber availability compared to the zip. Average fiber coverage in Wisconsin is 0.00% versus 2.10% in 53821.
What zip codes have fiber internet?
Fiber internet coverage varies by zip code and neighborhood. Some examples in or around 53821 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
- 52158, IA: more fiber coverage, slower speeds
- 52157, IA: more fiber coverage, slower speeds
- 53801, WI: more fiber coverage, similar speeds
- 52146, IA: more fiber coverage, similar speeds
- 53817, WI: more fiber coverage, similar speeds
- 53826, WI: more fiber coverage, faster speeds
- 52159, IA: more fiber coverage, similar speeds
- 52047, IA: more fiber coverage, slower speeds
- 54657, WI: more fiber coverage, similar speeds
- 52072, IA: more fiber coverage, slower speeds
Zip Codes with Similar Populations
- 08558, NJ: more fiber coverage, faster speeds
- 01267, MA: more fiber coverage, similar speeds
- 01364, MA: more fiber coverage, similar speeds
- 01519, MA: more fiber coverage, faster speeds
- 02461, MA: more fiber coverage, slower speeds
- 02813, RI: more fiber coverage, slower speeds
- 03865, NH: more fiber coverage, faster speeds
- 04039, ME: more fiber coverage, faster speeds
- 04046, ME: more fiber coverage, faster speeds
- 05488, VT: more fiber coverage, faster speeds