In 53121 there are 3 residential Fiber providers covering 97.23% 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 53121, WI.
To see availability maps for all providers including fiber, cable, DSL, and more in 53121, WI please click below.
Fiber Internet Service Providers in 53121
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 53121 are not shown.
53121 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 53121 is fiber internet available?
Fiber Internet Availability Key
Fiber is available in 97.23% of 53121. Areas in green have fiber internet service, where areas in yellow or red may not. The most widely available provider is TDS. Call one of the companies with service in 53121 above to see who has service at your home.
How fast is fiber internet in 53121?
The map below shows maximum fiber internet speeds by area in 53121.
Fiber Internet Speed Key
The average 53121 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 97.23% of residents can get.
Is fiber the fastest internet I can get in 53121?
The fastest internet for you may vary based on where in 53121 you live. In general, cable competes most often with fiber in the zip.
- Fiber is the fastest internet type for 97.23% of 53121 homes.
- Cable is fastest for 2.40% of the zip.
- 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 53121 homes.
Fiber Providers in Depth
Below you'll find which TV and internet providers offer service in 53121, along with details on where in 53121 and at what speeds.
TDS Fiber in 53121, WI
TDS fiber coverage
About 76.80%, or 14,706 people, have TDS fiber internet available to them in the zip. The company covers the entire 53121 area. TDS is a large internet service provider internet service providers in the US, with internet service available in much of 53121.
TDS fiber download speeds
TDS is one of the fastest when comparing download speeds to all other internet providers in 53121. Versus other fiber providers in the area, TDS fiber is one of the fastest. There are no different maximum speeds throughout 53121. The fastest plan anyone in 53121 can order from TDS goes up to 1,000 Mbps, and all 53121 customers can get this speed.
Show all download speeds
- 100.0% up to 1,000.0 Mbps
TDS fiber upload speeds
In 53121 download speeds tend to be equal to than upload speeds for TDS fiber. Compared to other ISPs, TDS is one of the fastest where upload speeds are concerned, and one of the fastest compared to other 53121 fiber providers. TDS offers no different upload speeds across the zip. The fastest upload speed available to anyone from this ISP in 53121 is up to 1,000 Mbps, which is available to everyone covered.
Show all upload speeds
- 100.0% up to 1,000.0 Mbps
Edge Broadband Fiber in 53121, WI
Edge Broadband fiber coverage
About 52.20%, or 9,996 people, have Edge Broadband fiber internet available to them in the zip. The company covers the northwest, west, central, north, northeast, east, southwest, and southeast 53121 area. Edge Broadband is a large internet service provider internet service providers in the US, with internet service available in a majority of 53121.
Edge Broadband fiber download speeds
Edge Broadband is one of the fastest when comparing download speeds to all other internet providers in 53121. Versus other fiber providers in the area, Edge Broadband fiber is one of the fastest. There are no different maximum speeds throughout 53121. The fastest plan anyone in 53121 can order from Edge Broadband goes up to 1,000 Mbps, and all 53121 customers can get this speed.
Show all download speeds
- 100.0% up to 1,000.0 Mbps
Edge Broadband fiber upload speeds
In 53121 download speeds tend to be equal to than upload speeds for Edge Broadband fiber. Compared to other ISPs, Edge Broadband is one of the fastest where upload speeds are concerned, and one of the fastest compared to other 53121 fiber providers. Edge Broadband offers no different upload speeds across the zip. The fastest upload speed available to anyone from this ISP in 53121 is up to 1,000 Mbps, which is available to everyone covered.
Show all upload speeds
- 100.0% up to 1,000.0 Mbps
Spectrum Fiber in 53121, WI
Spectrum fiber coverage
About 22.95%, or 4,394 people, have Spectrum fiber internet available to them in the zip. The company covers the northwest, north, central, east, west, northeast, southeast, and southwest 53121 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 53121.
Spectrum fiber download speeds
Spectrum is one of the fastest when comparing download speeds to all other internet providers in 53121. Versus other fiber providers in the area, Spectrum fiber is one of the fastest. There are no different maximum speeds throughout 53121. The fastest plan anyone in 53121 can order from Spectrum goes up to 1,000 Mbps, and all 53121 customers can get this speed.
Show all download speeds
- 100.0% up to 1,000.0 Mbps
Spectrum fiber upload speeds
In 53121 download speeds tend to be faster than than upload speeds for Spectrum fiber. Compared to other ISPs, Spectrum is above average where upload speeds are concerned, and the slowest compared to other 53121 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 53121 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 499 Mbps.
Show all upload speeds
- 99.7% up to 500.0 Mbps
- 0.3% up to 35.0 Mbps
53121 Fiber by Area
This information is most helpful to those looking for homes or considering moving to 53121 or any of the areas nearby.
How does fiber internet in 53121 compare to the rest of Wisconsin?
Fiber internet speeds in 53121 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 97.23% in 53121.
What zip codes have fiber internet?
Fiber internet coverage varies by zip code and neighborhood. Some examples in or around 53121 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
- 53115, WI: less fiber coverage, slower speeds
- 53191, WI: less fiber coverage, similar speeds
- 53147, WI: less fiber coverage, faster speeds
- 53120, WI: less fiber coverage, slower speeds
- 53125, WI: less fiber coverage, similar speeds
- 53114, WI: less fiber coverage, slower speeds
- 53184, WI: less fiber coverage, slower speeds
- 53195, WI: less fiber coverage, similar speeds
- 53105, WI: less fiber coverage, faster speeds
- 53505, WI: less fiber coverage, similar speeds
Zip Codes with Similar Populations
- 10509, NY: less fiber coverage, slower speeds
- 22206, VA: less fiber coverage, faster speeds
- 20724, MD: less fiber coverage, faster speeds
- 20187, VA: less fiber coverage, faster speeds
- 19440, PA: more fiber coverage, faster speeds
- 19027, PA: more fiber coverage, faster speeds
- 14468, NY: less fiber coverage, faster speeds
- 12189, NY: less fiber coverage, slower speeds
- 11428, NY: more fiber coverage, faster speeds
- 11021, NY: more fiber coverage, faster speeds