In Sun Prairie there are 6 residential Fiber providers covering 92.52% of the city. The average home can get speeds up to 7,590 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 Sun Prairie, WI.
To see availability maps for all providers including fiber, cable, DSL, and more in Sun Prairie, WI please click below.
Sun Prairie, WI Availability Maps
Fiber Internet Service Providers in Sun Prairie
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 Sun Prairie are not shown.
Sun Prairie 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 Sun Prairie is fiber internet available?
Fiber Internet Availability Key
Fiber is available in 92.52% of Sun Prairie. 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 Sun Prairie above to see who has service at your home.
How fast is fiber internet in Sun Prairie?
The map below shows maximum fiber internet speeds by area in Sun Prairie.
Fiber Internet Speed Key
The average Sun Prairie home can get up to 7,590 Mbps on their fiber internet plan. The fastest fiber download speed in the city is 8,000 Mbps, which 86.22% of residents can get. Some homes and apartments do not have access to these speeds. On the slower end, for example, 4.76% of homes can only purchase plans up to 1,000 Mbps. See the internet provider details below for info about their speed and coverage in Sun Prairie.
Fiber internet speeds tend to be faster in the central parts of Sun Prairie, and slower in the southeast areas of the city.
Is fiber the fastest internet I can get in Sun Prairie?
The fastest internet for you may vary based on where in Sun Prairie you live. In general, cable competes most often with fiber in the city.
- Fiber is the fastest internet type for 92.52% of Sun Prairie homes.
- Cable is fastest for 6.92% of the city.
- 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 Sun Prairie homes.
Fiber Providers in Depth
Below you'll find which TV and internet providers offer service in Sun Prairie, along with details on where in Sun Prairie and at what speeds.
TDS Fiber in Sun Prairie, WI
TDS fiber coverage
About 88.37%, or 38,594 people, have TDS fiber internet available to them in the city. The company covers the entire Sun Prairie area. TDS is a large internet service provider internet service providers in the US, with internet service available in most of Sun Prairie.
TDS fiber download speeds
TDS is the fastest when comparing download speeds to all other internet providers in Sun Prairie. Versus other fiber providers in the area, TDS fiber is the fastest. There are 2 different maximum speeds throughout Sun Prairie. The fastest plan anyone in Sun Prairie can order from TDS goes up to 8,000 Mbps, the slowest package only goes up to 1,000 Mbps, and the city-wide average maximum speed for Sun Prairie customers is up to 7,829 Mbps.
Show all download speeds
- 97.6% up to 8,000.0 Mbps
- 2.4% up to 1,000.0 Mbps
TDS fiber upload speeds
In Sun Prairie download speeds tend to be equal to than upload speeds for TDS fiber. Compared to other ISPs, TDS is the fastest where upload speeds are concerned, and the fastest compared to other Sun Prairie fiber providers. TDS offers 2 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 Sun Prairie is up to 8,000 Mbps. Some customers have slower plan choices, which only go up to 1,000 Mbps. On average, TDS customers can get speeds up to 7,829 Mbps.
Show all upload speeds
- 97.6% up to 8,000.0 Mbps
- 2.4% up to 1,000.0 Mbps
Frontier Communications Fiber in Sun Prairie, WI
Frontier fiber coverage
About 9.25%, or 4,038 people, have Frontier fiber internet available to them in the city. The company covers the northeast, north, southeast, east, and central Sun Prairie area. Frontier is one of the largest internet service providers internet service providers in the US, with internet service available in a very small piece of Sun Prairie.
Frontier Communications fiber download speeds
Frontier is above average when comparing download speeds to all other internet providers in Sun Prairie. Versus other fiber providers in the area, Frontier fiber is above average. There are no different maximum speeds throughout Sun Prairie. The fastest plan anyone in Sun Prairie can order from Frontier goes up to 7,000 Mbps, and all Sun Prairie customers can get this speed.
Show all download speeds
- 100.0% up to 7,000.0 Mbps
Frontier Communications fiber upload speeds
In Sun Prairie download speeds tend to be equal to than upload speeds for Frontier fiber. Compared to other ISPs, Frontier is above average where upload speeds are concerned, and above average compared to other Sun Prairie fiber providers. Frontier offers no different upload speeds across the city. The fastest upload speed available to anyone from this ISP in Sun Prairie is up to 7,000 Mbps, which is available to everyone covered.
Show all upload speeds
- 100.0% up to 7,000.0 Mbps
Spectrum Fiber in Sun Prairie, WI
Spectrum fiber coverage
About 5.52%, or 2,409 people, have Spectrum fiber internet available to them in the city. The company covers the northeast, southeast, southwest, south, north, west, northwest, and east Sun Prairie area. Spectrum is one of the largest internet service providers internet service providers in the US, with internet service available in a very small piece of Sun Prairie.
Spectrum fiber download speeds
Spectrum is below average when comparing download speeds to all other internet providers in Sun Prairie. Versus other fiber providers in the area, Spectrum fiber is one of the slowest. There are no different maximum speeds throughout Sun Prairie. The fastest plan anyone in Sun Prairie can order from Spectrum goes up to 1,000 Mbps, and all Sun Prairie customers can get this speed.
Show all download speeds
- 100.0% up to 1,000.0 Mbps
Spectrum fiber upload speeds
In Sun Prairie download speeds tend to be faster than than upload speeds for Spectrum fiber. Compared to other ISPs, Spectrum is below average where upload speeds are concerned, and the slowest compared to other Sun Prairie fiber providers. Spectrum offers 2 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 Sun Prairie 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 233 Mbps.
Show all upload speeds
- 42.7% up to 500.0 Mbps
- 57.3% up to 35.0 Mbps
EarthLink Fiber in Sun Prairie, WI
EarthLink fiber coverage
About 1.55%, or 677 people, have EarthLink fiber internet available to them in the city. The company covers the southwest Sun Prairie area. EarthLink is one of the largest internet service providers internet service providers in the US, with internet service available in a very small piece of Sun Prairie.
EarthLink fiber download speeds
EarthLink is above average when comparing download speeds to all other internet providers in Sun Prairie. Versus other fiber providers in the area, EarthLink fiber is above average. There are no different maximum speeds throughout Sun Prairie. The fastest plan anyone in Sun Prairie can order from EarthLink goes up to 5,000 Mbps, and all Sun Prairie customers can get this speed.
Show all download speeds
- 100.0% up to 5,000.0 Mbps
EarthLink fiber upload speeds
In Sun Prairie download speeds tend to be equal to than upload speeds for EarthLink fiber. Compared to other ISPs, EarthLink is above average where upload speeds are concerned, and above average compared to other Sun Prairie fiber providers. EarthLink offers no different upload speeds across the city. The fastest upload speed available to anyone from this ISP in Sun Prairie is up to 5,000 Mbps, which is available to everyone covered.
Show all upload speeds
- 100.0% up to 5,000.0 Mbps
AT&T Fiber in Sun Prairie, WI
AT&T fiber coverage
About 1.55%, or 677 people, have AT&T fiber internet available to them in the city. The company covers the southwest Sun Prairie area. AT&T is one of the largest internet service providers internet service providers in the US, with internet service available in a very small piece of Sun Prairie.
AT&T fiber download speeds
AT&T is above average when comparing download speeds to all other internet providers in Sun Prairie. Versus other fiber providers in the area, AT&T fiber is above average. There are no different maximum speeds throughout Sun Prairie. The fastest plan anyone in Sun Prairie can order from AT&T goes up to 5,000 Mbps, and all Sun Prairie customers can get this speed.
Show all download speeds
- 100.0% up to 5,000.0 Mbps
AT&T fiber upload speeds
In Sun Prairie download speeds tend to be equal to than upload speeds for AT&T fiber. Compared to other ISPs, AT&T is above average where upload speeds are concerned, and above average compared to other Sun Prairie fiber providers. AT&T offers no different upload speeds across the city. The fastest upload speed available to anyone from this ISP in Sun Prairie is up to 5,000 Mbps, which is available to everyone covered.
Show all upload speeds
- 100.0% up to 5,000.0 Mbps
UpNet WI Fiber in Sun Prairie, WI
UpNet WI fiber coverage
About 1.44%, or 631 people, have UpNet WI fiber internet available to them in the city. The company covers the southeast, northeast, north, and south Sun Prairie area. UpNet WI is a large internet service provider internet service providers in the US, with internet service available in a very small piece of Sun Prairie.
UpNet WI fiber download speeds
UpNet WI is below average when comparing download speeds to all other internet providers in Sun Prairie. Versus other fiber providers in the area, UpNet WI fiber is one of the slowest. There are no different maximum speeds throughout Sun Prairie. The fastest plan anyone in Sun Prairie can order from UpNet WI goes up to 1,000 Mbps, and all Sun Prairie customers can get this speed.
Show all download speeds
- 100.0% up to 1,000.0 Mbps
UpNet WI fiber upload speeds
In Sun Prairie download speeds tend to be faster than than upload speeds for UpNet WI fiber. Compared to other ISPs, UpNet WI is below average where upload speeds are concerned, and below average compared to other Sun Prairie fiber providers. UpNet WI offers no different upload speeds across the city. The fastest upload speed available to anyone from this ISP in Sun Prairie is up to 400 Mbps, which is available to everyone covered.
Show all upload speeds
- 100.0% up to 400.0 Mbps
Sun Prairie Fiber by Area
This information is most helpful to those looking for homes or considering moving to Sun Prairie or any of the areas nearby.
How does fiber internet in Sun Prairie compare to the rest of Wisconsin?
Fiber internet speeds in Sun Prairie are much faster versus the average speeds in Wisconsin: 0.00 Mbps in Wisconsin versus 7,590 Mbps in the city. The state has similar fiber availability compared to the city. Average fiber coverage in Wisconsin is 0.00% versus 92.52% in Sun Prairie.
What zip codes have fiber internet?
Fiber internet coverage varies by zip code and neighborhood. Some examples in or around Sun Prairie 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 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
- Windsor, WI: more fiber coverage, slower speeds
- DeForest, WI: more fiber coverage, slower speeds
- North Bristol, WI: less fiber coverage, slower speeds
- Cottage Grove, WI: more fiber coverage, slower speeds
- Marshall, WI: less fiber coverage, slower speeds
- Morrisonville, WI: less fiber coverage, slower speeds
- Maple Bluff, WI: more fiber coverage, slower speeds
- York Center, WI: more fiber coverage, slower speeds
- Nora, WI: more fiber coverage, slower speeds
- Norway Grove, WI: less fiber coverage, slower speeds
Cities with Similar Populations
- Belleville, MI: less fiber coverage, slower speeds
- Buda, TX: less fiber coverage, slower speeds
- Bullhead City, AZ: less fiber coverage, slower speeds
- Burlington, VT: less fiber coverage, slower speeds
- Chatsworth, CA: less fiber coverage, slower speeds
- Clifton Park, NY: less fiber coverage, slower speeds
- Clovis, NM: more fiber coverage, slower speeds
- Eagle Mountain, UT: more fiber coverage, slower speeds
- Egg Harbor Township, NJ: less fiber coverage, slower speeds
- Stanton, CA: less fiber coverage, slower speeds