In Grantsburg there are 12 residential internet providers covering 100.00% of the city. The average home can get speeds up to 3,601 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.
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12 Internet Service Providers in Grantsburg
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 Grantsburg are not shown.
Grantsburg 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 Grantsburg
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 Grantsburg. 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 ProTek Communications. Now you can call companies in Grantsburg with more confidence that they might be available.
How fast are internet speeds in Grantsburg?
The map below shows maximum internet speeds by area in Grantsburg.
Internet Speed Key
The average Grantsburg home can get up to 3,601 Mbps on their internet plan. For most people, the fastest download speed in the city is 10,000 Mbps, which 19.84% of residents can get. Some homes and apartments do not have access to these speeds. On the slower end, for example, 1.57% of homes can only purchase plans up to 25 Mbps. See the internet provider details below for info about their speed and coverage in Grantsburg.
Internet speeds tend to be faster in the southwest parts of Grantsburg, and slower in the east areas of the city.
What type of internet should I choose in Grantsburg?
The fastest internet for you may vary based on where in Grantsburg you live. If speed is your main concern, fiber will be the fastest internet in the city.
- Fiber is the fastest internet type for 74.93% of Grantsburg homes.
- Cable is fastest for less than 1% of the city.
- DSL is fastest for less than 1%.
- Fixed wireless is fastest for 25.07%.
- Satellite internet may be the only option for less than 1% of Grantsburg homes.
Internet Market Health in Grantsburg
Internet Competition Key
The map shows how competitive the Grantsburg 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 Grantsburg based on what connections the average home has availabile:
- Average number of internet service providers to a home: 4.4 (unhealthy)
- Average types of service (fiber, cable, DSL, etc): 2.1 (unhealthy)
- Average providers with broadband (25 Mbps+) speeds: 4.2 (healthy)
Overall, competition is unhealthy.
Grantsburg internet customers have the ability to buy internet service from 1 to 7 different providers, depending on where they live. For different types of service, Grantsburg homes have between 1 and 3 options. The type(s) of service available are fixed wireless, fiber, and dsl, though these may vary depending on the region within the city.
When it comes to broadband download speeds faster than 25 Mbps, the situation is worse. Grantsburg internet customers who want faster speeds have between 1 and 7 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, Grantsburg needs improvement.
TV & Internet Providers in Depth
Below you'll find which TV and internet providers offer service in Grantsburg, along with details on where in Grantsburg and at what speeds.
Shawnee Communications Fiber in Grantsburg, IL
Shawnee Communications fiber coverage
About 40.99%, or 157 people, have Shawnee Communications fiber internet available to them in the city. The company covers the central, northeast, east, and southeast Grantsburg area. Shawnee Communications is a large internet service provider internet service providers in the US, with internet service available in some of Grantsburg.
Shawnee Communications fiber download speeds
Shawnee Communications is below average when comparing download speeds to all other internet providers in Grantsburg. Versus other fiber providers in the area, Shawnee Communications fiber is the slowest. There are 2 different maximum speeds throughout Grantsburg. The fastest plan anyone in Grantsburg can order from Shawnee Communications goes up to 1,000 Mbps, the slowest package only goes up to 500 Mbps, and the city-wide average maximum speed for Grantsburg customers is up to 532 Mbps.
Show all download speeds
- 6.4% up to 1,000.0 Mbps
- 93.6% up to 500.0 Mbps
Shawnee Communications fiber upload speeds
In Grantsburg download speeds tend to be faster than than upload speeds for Shawnee Communications fiber. Compared to other ISPs, Shawnee Communications is below average where upload speeds are concerned, and the slowest compared to other Grantsburg fiber providers. Shawnee Communications offers no different upload speeds across the city. The fastest upload speed available to anyone from this ISP in Grantsburg is up to 500 Mbps, which is available to everyone covered.
Show all upload speeds
- 100.0% up to 500.0 Mbps
Frontier Communications DSL in Grantsburg, IL
Frontier DSL coverage
About 40.47%, or 155 people, have Frontier DSL internet available to them in the city. The company covers the north, southwest, central, and south Grantsburg area. Frontier is one of the largest internet service providers internet service providers in the US, with internet service available in some of Grantsburg.
Frontier Communications DSL download speeds
Frontier is below average when comparing download speeds to all other internet providers in Grantsburg. Versus other DSL providers in the area, Frontier DSL is the fastest. There are 3 different maximum speeds throughout Grantsburg. The fastest plan anyone in Grantsburg can order from Frontier goes up to 115 Mbps, the slowest package only goes up to 10 Mbps, and the city-wide average maximum speed for Grantsburg customers is up to 60 Mbps.
Show all download speeds
- 29.7% up to 115.0 Mbps
- 23.2% up to 90.0 Mbps
- 47.1% up to 10.0 Mbps
Frontier Communications DSL upload speeds
In Grantsburg 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 Grantsburg DSL providers. Frontier offers 4 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 Grantsburg is up to 8.0 Mbps. Some customers have slower plan choices, which only go up to 1.0 Mbps. On average, Frontier customers can get speeds up to 3.8 Mbps.
Show all upload speeds
- 4.5% up to 8.0 Mbps
- 29.7% up to 7.0 Mbps
- 18.7% up to 5.0 Mbps
- 47.1% up to 1.0 Mbps
Frontier Communications Fiber in Grantsburg, IL
Frontier fiber coverage
About 36.81%, or 141 people, have Frontier fiber internet available to them in the city. The company covers the north, northeast, west, southwest, and northwest Grantsburg area. Frontier is one of the largest internet service providers internet service providers in the US, with internet service available in some of Grantsburg.
Frontier Communications fiber download speeds
Frontier is above average when comparing download speeds to all other internet providers in Grantsburg. Versus other fiber providers in the area, Frontier fiber is below average. There are no different maximum speeds throughout Grantsburg. The fastest plan anyone in Grantsburg can order from Frontier goes up to 5,000 Mbps, and all Grantsburg customers can get this speed.
Show all download speeds
- 100.0% up to 5,000.0 Mbps
Frontier Communications fiber upload speeds
In Grantsburg 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 below average compared to other Grantsburg fiber providers. Frontier offers no different upload speeds across the city. The fastest upload speed available to anyone from this ISP in Grantsburg is up to 5,000 Mbps, which is available to everyone covered.
Show all upload speeds
- 100.0% up to 5,000.0 Mbps
ProTek Communications Fiber in Grantsburg, IL
ProTek Communications fiber coverage
About 19.84%, or 76 people, have ProTek Communications fiber internet available to them in the city. The company covers the southwest, west, and south Grantsburg area. ProTek Communications is an average-sized internet service provider internet service providers in the US, with internet service available in a small portion of Grantsburg.
ProTek Communications fiber download speeds
ProTek Communications is the fastest when comparing download speeds to all other internet providers in Grantsburg. Versus other fiber providers in the area, ProTek Communications fiber is the fastest. There are no different maximum speeds throughout Grantsburg. The fastest plan anyone in Grantsburg can order from ProTek Communications goes up to 10,000 Mbps, and all Grantsburg customers can get this speed.
Show all download speeds
- 100.0% up to 10,000.0 Mbps
ProTek Communications fiber upload speeds
In Grantsburg download speeds tend to be equal to than upload speeds for ProTek Communications fiber. Compared to other ISPs, ProTek Communications is the fastest where upload speeds are concerned, and the fastest compared to other Grantsburg fiber providers. ProTek Communications offers no different upload speeds across the city. The fastest upload speed available to anyone from this ISP in Grantsburg is up to 10,000 Mbps, which is available to everyone covered.
Show all upload speeds
- 100.0% up to 10,000.0 Mbps
Sparklight Fiber in Grantsburg, IL
Sparklight fiber coverage
About 10.44%, or 40 people, have Sparklight fiber internet available to them in the city. The company covers the southwest and south Grantsburg area. Sparklight is one of the largest internet service providers internet service providers in the US, with internet service available in a very small piece of Grantsburg.
Sparklight fiber download speeds
Sparklight is above average when comparing download speeds to all other internet providers in Grantsburg. Versus other fiber providers in the area, Sparklight fiber is above average. There are no different maximum speeds throughout Grantsburg. The fastest plan anyone in Grantsburg can order from Sparklight goes up to 7,000 Mbps, and all Grantsburg customers can get this speed.
Show all download speeds
- 100.0% up to 7,000.0 Mbps
Sparklight fiber upload speeds
In Grantsburg download speeds tend to be equal to than upload speeds for Sparklight fiber. Compared to other ISPs, Sparklight is above average where upload speeds are concerned, and above average compared to other Grantsburg fiber providers. Sparklight offers no different upload speeds across the city. The fastest upload speed available to anyone from this ISP in Grantsburg is up to 7,000 Mbps, which is available to everyone covered.
Show all upload speeds
- 100.0% up to 7,000.0 Mbps
T-Mobile Home Internet Fixed Wireless in Grantsburg, IL
T-Mobile Home Internet fixed wireless coverage
About 73.37%, or 281 people, have T-Mobile Home Internet fixed wireless internet available to them in the city. The company covers the north, northeast, southwest, central, west, and northwest Grantsburg area. T-Mobile Home Internet is one of the largest internet service providers internet service providers in the US, with internet service available in much of Grantsburg.
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 Grantsburg. Versus other fixed wireless providers in the area, T-Mobile Home Internet fixed wireless is below average. There are 2 different maximum speeds throughout Grantsburg. The fastest plan anyone in Grantsburg can order from T-Mobile Home Internet goes up to 100 Mbps, the slowest package only goes up to 25 Mbps, and the city-wide average maximum speed for Grantsburg customers is up to 31 Mbps.
Show all download speeds
- 7.8% up to 100.0 Mbps
- 92.2% up to 25.0 Mbps
T-Mobile Home Internet fixed wireless upload speeds
In Grantsburg 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 Grantsburg fixed wireless providers. T-Mobile Home Internet 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 Grantsburg 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 4.3 Mbps.
Show all upload speeds
- 7.8% up to 20.0 Mbps
- 92.2% up to 3.0 Mbps
Wisper Internet Fixed Wireless in Grantsburg, IL
Wisper Internet fixed wireless coverage
About 61.36%, or 235 people, have Wisper Internet fixed wireless internet available to them in the city. The company covers the north, northeast, west, southwest, south, and northwest Grantsburg area. Wisper Internet is a large internet service provider internet service providers in the US, with internet service available in a majority of Grantsburg.
Wisper Internet fixed wireless download speeds
Wisper Internet is below average when comparing download speeds to all other internet providers in Grantsburg. Versus other fixed wireless providers in the area, Wisper Internet fixed wireless is the fastest. There are no different maximum speeds throughout Grantsburg. The fastest plan anyone in Grantsburg can order from Wisper Internet goes up to 400 Mbps, and all Grantsburg customers can get this speed.
Show all download speeds
- 100.0% up to 400.0 Mbps
Wisper Internet fixed wireless upload speeds
In Grantsburg download speeds tend to be faster than than upload speeds for Wisper Internet fixed wireless. Compared to other ISPs, Wisper Internet is below average where upload speeds are concerned, and the fastest compared to other Grantsburg fixed wireless providers. Wisper Internet offers no different upload speeds across the city. The fastest upload speed available to anyone from this ISP in Grantsburg is up to 30 Mbps, which is available to everyone covered.
Show all upload speeds
- 100.0% up to 30.0 Mbps
EarthLink Fixed Wireless in Grantsburg, IL
EarthLink fixed wireless coverage
About 60.84%, or 233 people, have EarthLink fixed wireless internet available to them in the city. The company covers the north, northeast, central, and west Grantsburg area. EarthLink is one of the largest internet service providers internet service providers in the US, with internet service available in a majority of Grantsburg.
EarthLink fixed wireless download speeds
EarthLink is one of the slowest when comparing download speeds to all other internet providers in Grantsburg. Versus other fixed wireless providers in the area, EarthLink fixed wireless is one of the slowest. There are no different maximum speeds throughout Grantsburg. The fastest plan anyone in Grantsburg can order from EarthLink goes up to 25 Mbps, and all Grantsburg customers can get this speed.
Show all download speeds
- 100.0% up to 25.0 Mbps
EarthLink fixed wireless upload speeds
In Grantsburg download speeds tend to be faster than than upload speeds for EarthLink fixed wireless. Compared to other ISPs, EarthLink is one of the slowest where upload speeds are concerned, and one of the slowest compared to other Grantsburg fixed wireless providers. EarthLink offers no different upload speeds across the city. The fastest upload speed available to anyone from this ISP in Grantsburg is up to 3.0 Mbps, which is available to everyone covered.
Show all upload speeds
- 100.0% up to 3.0 Mbps
AT&T Fixed Wireless in Grantsburg, IL
AT&T fixed wireless coverage
About 60.84%, or 233 people, have AT&T fixed wireless internet available to them in the city. The company covers the north, northeast, central, and west Grantsburg area. AT&T is one of the largest internet service providers internet service providers in the US, with internet service available in a majority of Grantsburg.
AT&T fixed wireless download speeds
AT&T is one of the slowest when comparing download speeds to all other internet providers in Grantsburg. Versus other fixed wireless providers in the area, AT&T fixed wireless is one of the slowest. There are no different maximum speeds throughout Grantsburg. The fastest plan anyone in Grantsburg can order from AT&T goes up to 25 Mbps, and all Grantsburg customers can get this speed.
Show all download speeds
- 100.0% up to 25.0 Mbps
AT&T fixed wireless upload speeds
In Grantsburg download speeds tend to be faster than than upload speeds for AT&T fixed wireless. Compared to other ISPs, AT&T is one of the slowest where upload speeds are concerned, and one of the slowest compared to other Grantsburg fixed wireless providers. AT&T offers no different upload speeds across the city. The fastest upload speed available to anyone from this ISP in Grantsburg is up to 3.0 Mbps, which is available to everyone covered.
Show all upload speeds
- 100.0% up to 3.0 Mbps
Southern Illinois Wireless Internet Fixed Wireless in Grantsburg, IL
4SIWI fixed wireless coverage
About 24.02%, or 92 people, have 4SIWI fixed wireless internet available to them in the city. The company covers the northeast, east, and southeast Grantsburg area. 4SIWI is a large internet service provider internet service providers in the US, with internet service available in a small portion of Grantsburg.
Southern Illinois Wireless Internet fixed wireless download speeds
4SIWI is below average when comparing download speeds to all other internet providers in Grantsburg. Versus other fixed wireless providers in the area, 4SIWI fixed wireless is below average. There are no different maximum speeds throughout Grantsburg. The fastest plan anyone in Grantsburg can order from 4SIWI goes up to 100 Mbps, and all Grantsburg customers can get this speed.
Show all download speeds
- 100.0% up to 100.0 Mbps
Southern Illinois Wireless Internet fixed wireless upload speeds
In Grantsburg download speeds tend to be faster than than upload speeds for 4SIWI fixed wireless. Compared to other ISPs, 4SIWI is below average where upload speeds are concerned, and above average compared to other Grantsburg fixed wireless providers. 4SIWI offers no different upload speeds across the city. The fastest upload speed available to anyone from this ISP in Grantsburg is up to 20 Mbps, which is available to everyone covered.
Show all upload speeds
- 100.0% up to 20.0 Mbps
Verizon Fixed Wireless in Grantsburg, IL
Verizon fixed wireless coverage
About 12.27%, or 47 people, have Verizon fixed wireless internet available to them in the city. The company covers the north and northwest Grantsburg area. Verizon is one of the largest internet service providers internet service providers in the US, with internet service available in a very small piece of Grantsburg.
Verizon fixed wireless download speeds
Verizon is below average when comparing download speeds to all other internet providers in Grantsburg. Versus other fixed wireless providers in the area, Verizon fixed wireless is above average. There are no different maximum speeds throughout Grantsburg. The fastest plan anyone in Grantsburg can order from Verizon goes up to 300 Mbps, and all Grantsburg customers can get this speed.
Show all download speeds
- 100.0% up to 300.0 Mbps
Verizon fixed wireless upload speeds
In Grantsburg 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 above average compared to other Grantsburg fixed wireless providers. Verizon offers no different upload speeds across the city. The fastest upload speed available to anyone from this ISP in Grantsburg is up to 20 Mbps, which is available to everyone covered.
Show all upload speeds
- 100.0% up to 20.0 Mbps
Grantsburg Internet by Area
This information is most helpful to those looking for homes or considering moving to Grantsburg or any of the areas nearby.
How does internet in Grantsburg compare to the rest of Illinois?
Internet speeds in Grantsburg are faster versus the average speeds in Illinois: 2,791 Mbps in Illinois versus 3,601 Mbps in the city. The state has similar internet availability compared to the city. Average internet coverage in Illinois is 99.02% versus 100.00% in Grantsburg.
What zip codes have widespread internet?
Internet coverage varies by zip code and neighborhood. Some examples in or around Grantsburg 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 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
- Ganntown, IL: equal internet coverage, faster speeds
- Reevesville, IL: equal internet coverage, faster speeds
- Wartrace, IL: equal internet coverage, slower speeds
- Crossroads, IL: equal internet coverage, faster speeds
- New Columbia, IL: equal internet coverage, faster speeds
- Grinnell, IL: equal internet coverage, faster speeds
- Simpson, IL: equal internet coverage, slower speeds
- Brownfield, IL: equal internet coverage, faster speeds
- Rock, IL: equal internet coverage, faster speeds
- Belknap, IL: less internet coverage, faster speeds
Cities with Similar Populations
- Chittum, TN: equal internet coverage, slower speeds
- West Unity, NH: equal internet coverage, slower speeds
- West Springs, SC: equal internet coverage, slower speeds
- West Grove, IA: less internet coverage, slower speeds
- Upshaw, VA: equal internet coverage, slower speeds
- Unionville, LA: equal internet coverage, slower speeds
- Tisch Mills, WI: equal internet coverage, slower speeds
- Timberon, NM: less internet coverage, slower speeds
- Thurston, NY: equal internet coverage, slower speeds
- Cooper Heights, GA: equal internet coverage, slower speeds