In Grellton there are 2 residential Fiber providers covering 81.21% of the city. 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 Grellton, WI.
To see availability maps for all providers including fiber, cable, DSL, and more in Grellton, WI please click below.
Grellton, WI Availability Maps
Fiber Internet Service Providers in Grellton
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 Grellton are not shown.
Grellton 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 Grellton is fiber internet available?

Fiber Internet Availability Key
Fiber is available in 81.21% of Grellton. Areas in green have fiber internet service, where areas in yellow or red may not. The most widely available provider is Spectrum. Call one of the companies with service in Grellton above to see who has service at your home.
How fast is fiber internet in Grellton?
The map below shows maximum fiber internet speeds by area in Grellton.

Fiber Internet Speed Key
The average Grellton home can get up to 1,000 Mbps on their fiber internet plan. The fastest fiber download speed in the city is 1,000 Mbps, which 81.21% of residents can get.
Is fiber the fastest internet I can get in Grellton?
The fastest internet for you may vary based on where in Grellton you live. In general, fixed wireless competes most often with fiber in the city.
- Fiber is the fastest internet type for 81.21% of Grellton homes.
- Cable is fastest for 4.50% of the city.
- DSL is fastest for less than 1%.
- Fixed wireless is fastest for 14.13%.
- Satellite internet may be the only option for less than 1% of Grellton homes.
Fiber Providers in Depth
Below you'll find which TV and internet providers offer service in Grellton, along with details on where in Grellton and at what speeds.
Spectrum Fiber in Grellton, WI

Spectrum fiber coverage
About 57.92%, or 373 people, have Spectrum fiber internet available to them in the city. The company covers the entire Grellton area. Spectrum is one of the largest internet service providers internet service providers in the US, with internet service available in a majority of Grellton.
Spectrum fiber download speeds
Spectrum is one of the fastest when comparing download speeds to all other internet providers in Grellton. Versus other fiber providers in the area, Spectrum fiber is one of the fastest. There are no different maximum speeds throughout Grellton. The fastest plan anyone in Grellton can order from Spectrum goes up to 1,000 Mbps, and all Grellton customers can get this speed.
Show all download speeds
- 100.0% up to 1,000.0 Mbps
Spectrum fiber upload speeds
In Grellton 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 Grellton fiber providers. Spectrum offers no different upload speeds across the city. The fastest upload speed available to anyone from this ISP in Grellton is up to 500 Mbps, which is available to everyone covered.
Show all upload speeds
- 100.0% up to 500.0 Mbps
TDS Fiber in Grellton, WI

TDS fiber coverage
About 23.29%, or 150 people, have TDS fiber internet available to them in the city. The company covers the southeast Grellton area. TDS is a large internet service provider internet service providers in the US, with internet service available in a small portion of Grellton.
TDS fiber download speeds
TDS is one of the fastest when comparing download speeds to all other internet providers in Grellton. Versus other fiber providers in the area, TDS fiber is one of the fastest. There are no different maximum speeds throughout Grellton. The fastest plan anyone in Grellton can order from TDS goes up to 1,000 Mbps, and all Grellton customers can get this speed.
Show all download speeds
- 100.0% up to 1,000.0 Mbps
TDS fiber upload speeds
In Grellton 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 Grellton fiber providers. TDS offers no different upload speeds across the city. The fastest upload speed available to anyone from this ISP in Grellton is up to 1,000 Mbps, which is available to everyone covered.
Show all upload speeds
- 100.0% up to 1,000.0 Mbps
Grellton Fiber by Area
This information is most helpful to those looking for homes or considering moving to Grellton or any of the areas nearby.
How does fiber internet in Grellton compare to the rest of Wisconsin?
Fiber internet speeds in Grellton are much faster versus the average speeds in Wisconsin: 0.00 Mbps in Wisconsin versus 1,000 Mbps in the city. The state has similar fiber availability compared to the city. Average fiber coverage in Wisconsin is 0.00% versus 81.21% in Grellton.
What zip codes have fiber internet?
Fiber internet coverage varies by zip code and neighborhood. Some examples in or around Grellton 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
- Old Lebanon, WI: more fiber coverage, faster speeds
- Johnson Creek, WI: less fiber coverage, similar speeds
- Watertown, WI: less fiber coverage, faster speeds
- Lake Mills, WI: less fiber coverage, similar speeds
- Pipersville, WI: more fiber coverage, similar speeds
- Milford, WI: more fiber coverage, similar speeds
- Jefferson Junction, WI: less fiber coverage, similar speeds
- Portland, WI: less fiber coverage, similar speeds
- Waterloo, WI: less fiber coverage, similar speeds
- Jefferson, WI: less fiber coverage, faster speeds
Cities with Similar Populations
- Poy Sippi, WI: less fiber coverage, similar speeds
- Port Hudson, LA: less fiber coverage, faster speeds
- Pleasant Ridge, TX: less fiber coverage, similar speeds
- Pea Ridge, AL: more fiber coverage, similar speeds
- Paxton, NE: more fiber coverage, slower speeds
- Partridge, KS: less fiber coverage, faster speeds
- Parkersburg, NC: more fiber coverage, similar speeds
- Palmetto, LA: less fiber coverage, similar speeds
- Preemption, IL: less fiber coverage, similar speeds
- Norman, AR: less fiber coverage, similar speeds


