10 Best Internet Providers in Grantsburg, IL
Find internet availability by address in Grantsburg, IL
Jump to: Best Internet Provider | Availability Maps | Customer Reviews | Grantsburg ISP Report Card | Business Internet in Grantsburg
| Grantsburg ISP Report Card | B- | |
| Download Speed for Most Households | 3,601 Mbps | |
| Number of Internet Service Providers | 10 | |
| Real Grantsburg Customer Ratings | 0 |
This page reflects the most recent FCC update from January 06, 2026, based on the Broadband Data Collection as of June 30, 2025.
This page reflects the most recent FCC update from January 06, 2026, based on the Broadband Data Collection as of June 30, 2025.
Grantsburg has 10 internet service providers, they are sorted by coverage, available speed, and customer rating from our unbiased internet provider report. Fiber, DSL, and Fixed Wireless internet are available in the city. Reviews are grouped by provider and the type of service they offer, covering all 3 available internet technologies in Grantsburg.
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Grantsburg has 10 internet service providers, they are sorted by coverage, available speed, and customer rating from our unbiased internet provider report. Fiber, DSL, and Fixed Wireless internet are available in the city. Reviews are grouped by provider and the type of service they offer, covering all 3 available internet technologies in Grantsburg.
Compare Providers Ranked by Coverage, Speed, and Customer Ratings
Shawnee Communications
Connection
Customer Rating
Fiber
Frontier
Connection
Customer Rating
Fiber
DSL
ProTek Communications
Connection
Customer Rating
Fiber
Sparklight
Connection
Customer Rating
Fiber
Above are the top 4 providers in Grantsburg, IL for most people based on high speed internet coverage, speeds, and customer reviews. Click below to see all providers in your city.
Speed and technology may vary by address for all providers. Please note we may have a financial relationship with some of the providers above, which does not impact the customer ratings displayed. Customer ratings listed above are national ratings, local Grantsburg ratings may vary and are shown below.
Who is the Best Internet Provider in Grantsburg, IL?
ProTek Communications is the highest-rated internet provider in Grantsburg based on 83 Illinois customer reviews, and ProTek Communications has the highest rating nationwide. The provider information above and the information immediately below can help you decide. Compare provider ratings and review counts above. The chart and table below show average customer ratings from customers in Grantsburg, Illinois, and customers throughout the country.
Top Rated Internet Providers in Grantsburg
Local, State, and National Ratings for all Grantsburg Internet Providers
| ISP / Tech Type | Grantsburg Overall | Illinois Overall | National Overall | For Service | ||
|---|---|---|---|---|---|---|
| Verizon | (0) | (10) | (723) | View Plans | ||
| T-Mobile Home Internet | (0) | (14) | (284) | View Plans | ||
| AT&T | (0) | (47) | (924) | View Plans | ||
| Sparklight | (0) | (5) | (73) | View Plans | ||
| ProTek Communications | (0) | (1) | (1) | View Plans | ||
| Frontier | (0) | (4) | (143) | View Plans | ||
| Wisper Internet | (0) | (1) | (2) | View Plans | ||
| Viasat | (0) | (1) | (11) | View Plans | ||
| EarthLink | (0) | (0) | (12) | View Plans | ||
| HughesNet | (0) | (0) | (18) | View Plans | ||
| 4SIWI | (0) | (0) | (0) | View Plans | ||
| Shawnee Communications | (0) | (0) | (0) | View Plans |
Based on 83 reviews from Illinois internet customers, ProTek Communications is the best internet service provider for Grantsburg residents. ProTek Communications was rated at an average of 3.00 out of 5 in our report for overall customer satisfaction. Verizon wins for second-place in Illinois, with 4.10 out of 5 stars and 12.3% coverage in Grantsburg.
At a national level, based on 2191 national reviews for any of the providers listed above, ProTek Communications is rated higher than any other provider, with a rating of 3.00 out of 5.
Which Providers are Available at my Home in Grantsburg?
a different provider.

Internet Availability Key
Speeds and coverage vary within the city, and sometimes even from block to block. The map shows speeds per provider and where each provider is available.
Who is the Fastest Internet Provider in Grantsburg?
Based on both FCC data and unbiased customer ratings in Grantsburg, the fastest internet in the city comes from ProTek Communications.
Data Reported to FCC by ISPs: Average Maximum Available in Grantsburg
| ISP / Tech Type | Max Advertised Speed | ||
|---|---|---|---|
| ProTek Communications | 10,000 Mbps | ||
| Sparklight | 7,000 Mbps | ||
| Frontier Communications | 5,000 Mbps | ||
| Shawnee Communications | 1,000 Mbps | ||
| Wisper Internet | 400 Mbps | ||
| Verizon | 300 Mbps | ||
| Southern Illinois Wireless Internet | 100 Mbps | ||
| T-Mobile Home Internet | 100 Mbps | ||
| Viasat | 100 Mbps | ||
| AT&T | 25 Mbps | ||
| EarthLink | 25 Mbps | ||
| HughesNet | 25 Mbps |
Customer Ratings for Internet Provider Speeds in Grantsburg
| ISP / Tech Type | Grantsburg Speed | Illinois Speed | National Speed | For Service | ||
|---|---|---|---|---|---|---|
| T-Mobile Home Internet | (0) | (14) | (284) | View Plans | ||
| Verizon | (0) | (10) | (723) | View Plans | ||
| Sparklight | (0) | (5) | (73) | View Plans | ||
| AT&T | (0) | (47) | (924) | View Plans | ||
| Frontier | (0) | (4) | (143) | View Plans | ||
| Wisper Internet | (0) | (1) | (2) | View Plans | ||
| Viasat | (0) | (1) | (11) | View Plans | ||
| ProTek Communications | (0) | (1) | (1) | View Plans | ||
| EarthLink | (0) | (0) | (12) | View Plans | ||
| HughesNet | (0) | (0) | (18) | View Plans | ||
| 4SIWI | (0) | (0) | (0) | View Plans | ||
| Shawnee Communications | (0) | (0) | (0) | View Plans |
Based on data reported by Grantsburg ISPs to the FCC, the fastest speeds in the city are available through ProTek Communications. The company offers speeds up to 10,000 Mbps in Grantsburg. Therefore, the average customer can get up to 10,000 Mbps if they're willing to purchase the fastest subscription tier available at their homes.
However, actual customers in the city rated their satisfaction with internet speed highest with ProTek Communications. This indicates ProTek Communications reliably delivers speeds expected by the customer based on the plan they are paying for.
Who is the Cheapest Internet Provider in Grantsburg?
Illinois customers rate ProTek Communications as the cheapest internet service provider in state. Data comes from customers in the state rating their satisfaction with pricing. This feedback is valuable because it considers price changes and whether the speeds paid for are worth it.
ProTek Communications received a local rating of 2.00 out of 5, which is much lower than the average across all internet providers in the country. Verizon is rated in second place for affordability by the company’s Grantsburg customers with an average price rating of 4.00 out of 5.
The chart and graph below show how customers in Grantsburg, Illinois, and the United States rated the affordability of their internet service.
Rated Affordability in Grantsburg
| ISP / Tech Type | Grantsburg Affordability | Illinois Affordability | National Affordability | For Service | ||
|---|---|---|---|---|---|---|
| Frontier | (0) | (4) | (143) | View Plans | ||
| Verizon | (0) | (10) | (723) | View Plans | ||
| T-Mobile Home Internet | (0) | (14) | (284) | View Plans | ||
| AT&T | (0) | (47) | (924) | View Plans | ||
| Sparklight | (0) | (5) | (73) | View Plans | ||
| Wisper Internet | (0) | (1) | (2) | View Plans | ||
| ProTek Communications | (0) | (1) | (1) | View Plans | ||
| Viasat | (0) | (1) | (11) | View Plans | ||
| EarthLink | (0) | (0) | (12) | View Plans | ||
| HughesNet | (0) | (0) | (18) | View Plans | ||
| 4SIWI | (0) | (0) | (0) | View Plans | ||
| Shawnee Communications | (0) | (0) | (0) | View Plans |
Grantsburg Internet Health Assessment
ISP Reports evaluates the technological infrastructure across the United States. This includes assessing a grade for ISP providers and infrastructure in the city and setting an index number for the digital connectivity of its residents. You can view the ISP Report Card and the Digital Connectivity Index for Grantsburg below, including the metrics used and how Grantsburg compares to the rest of Illinois and nation.
| Metric
(hover for details)
|
Grantsburg | Illinois | USA | ||
|---|---|---|---|---|---|
| Fiber Availability Percent The percentage of households in Grantsburg that have a Fiber internet connection available to their home. | 74.93% | 44.05% | 67.25% | ||
| Average Download SpeedThe maximum download speed most households can get on average. This is measured by availability in a block group and weighted by the population in that area. | 3,601 Mbps | 2,791 Mbps | 3,293 Mbps | ||
| Provider CountThe number of providers available for most people. This is a weighted average by block rather than a total for Grantsburg. | 4.4 | 7.1 | 6.8 |
| Average Household SizeA larger household size in a city indicates that there will be a greater need for bandwidth due to simultaneous usage, multiple devices, and network congestion. | 2.8 | 2.6 | 2.7 | ||
| Work From Home PercentA higher percent of the population working from home indicates bandwidth requirements being more widely needed rather than consolidated to commercial portions of the city. | 10% | 14% | 14% | ||
| Households with DevicesA higher percentage of households with computing devices in the home indicates a higher level of infrastructure needed to support those households. | 92% | 95% | 95% | ||
| Households with InternetA higher percentage of households with internet indicates a higher need for usage and connectivity in people’s daily lives. | 83% | 90% | 90% | ||
| Households with BroadbandA higher percentage of households with a broadband connection (defined as speeds above 25 Mbps) indicates heavier usage needs within these households. | 19% | 74% | 75% | ||
| Broadband Usage vs. AvailabilityThis measures what percentage of households who have a broadband connection to their home actually have an active subscription to that service. | 19% | 75% | 76% |
Our demographic data is sourced from the latest 5-year release of the American Community Survey by the US Census Bureau.
Grantsburg ISP Report Card & Digital Connectivity Index
The ISP Report Card in Grantsburg is B-, which is much worse than other cities. The local demand for broadband internet connectivity in Grantsburg is high with a score of 34 / 100 in our Digital Connectivity Index. This means that internet service providers operating in Grantsburg have done a poor job meeting the needs of its residents.
The Grantsburg ISP Report Card evaluates the city on availability and speed metrics compared to other cities in the United States. ISP Infrastructure can vary greatly and on its own isn’t a perfect measure of what a city needs. Please see our ISP Report Card along with the Digital Connectivity Index above to evaluate how well the connectivity demand is met by the existing infrastructure.
83% of Grantsburg households have an internet connection despite having 100.00% availability. 19% of households have fiber, cable, or DSL, 5% have satellite, 0% are still on dial-up, and 1% of households have internet but don’t pay for a subscription because it’s subsidized by the Affordable Connectivity Program.
As you can see in the table above, while 19% of households have a broadband connection such as fiber, cable or DSL available to their home, 19% subscribe to it. A very low number of Grantsburg residents are taking advantage of the available internet infrastructure.
For more details, please visit our ISP Report Card and Digital Connectivity Index pages.
How do Neighboring Cities Compare to Grantsburg?
- ISP Report Card: B+
- Digital Connectivity Index: 32 / 100
- ISP Report Card: B+
- Digital Connectivity Index: 32 / 100
- ISP Report Card: D-
- Digital Connectivity Index: 27 / 100
- ISP Report Card: A
- Digital Connectivity Index: 32 / 100
- ISP Report Card: A
- Digital Connectivity Index: 34 / 100
- ISP Report Card: B+
- Digital Connectivity Index: 34 / 100
- ISP Report Card: B-
- Digital Connectivity Index: 37 / 100
- ISP Report Card: B+
- Digital Connectivity Index: 33 / 100
- ISP Report Card: B
- Digital Connectivity Index: 55 / 100
How Much Speed does a Grantsburg Household Need?
Higher speed is typically preferred, but that comes at a higher price. The average size of a household in Grantsburg is 2.8, which is larger than the Illinois average of 2.6 and larger than the national average of 2.7. Grantsburg's average household income is $42,928 which is much lower than the Illinois average of $93,298 and much lower than the national average of $90,606. Homes with more people living in them and with lower incomes tend to indicate a fairly average device usage pattern.
Grantsburg also has 12% of its population enrolled in school between the 6th grade and college level, this is lower than the Illinois average of 16%. Additionally, 10% of residents work from home, which is lower than the 14% of residents in Illinois who work from home. This and other factors you can see above show us that the community of Grantsburg has a low need for internet connectivity and speeds.
Compared to the rest of the country, Grantsburg households are about average when it comes to technological engagement. 92% of households have some sort of computing device, 69% have desktops or laptops in the home, and 84% have smartphones. To see what speeds you are currently getting, please visit our internet speed test tool.
Which Fiber Internet Providers are Available in Grantsburg?
Shawnee Communications Fiber in Grantsburg, IL
Shawnee Communications offers Fiber service to 41.0% of Grantsburg homes. Across the city, Shawnee Communications Fiber is the only type of service available from the company, with speeds up to 532 Mbps, with speeds from 500 Mpbs up to 1,000 Mbps depending on the address. Upload speeds differ from download speeds, and are as low 500 and as high as 500, with an average of 500 Mbps throughout the city.
Frontier Fiber in Grantsburg, IL
Frontier Communications offers Fiber service to 36.8% of Grantsburg homes. Across the city, Frontier Fiber has speeds up to 5,000 Mbps
ProTek Communications Fiber in Grantsburg, IL
ProTek Communications offers Fiber service to 19.8% of Grantsburg homes. Across the city, ProTek Communications Fiber is the only type of service available from the company, with speeds up to 10,000 Mbps
Sparklight Fiber in Grantsburg, IL
Sparklight offers Fiber service to 10.4% of Grantsburg homes. Across the city, Sparklight Fiber is the only type of service available from the company, with speeds up to 7,000 Mbps
Which Cable Internet Providers are Available in Grantsburg?
According to the most recently submitted data by internet service providers to the FCC, there are currently no cable providers available in Grantsburg, IL.
Which DSL Internet Providers are Available in Grantsburg?
Frontier DSL in Grantsburg, IL
Frontier Communications offers DSL service to 40.5% of Grantsburg homes. Across the city, Frontier DSL has speeds up to 60 Mbps, with speeds from 10 Mpbs up to 115 Mbps depending on the address. Upload speeds differ from download speeds, and are as low 1.0 and as high as 8.0, with an average of 3.8 Mbps throughout the city. Frontier DSL is rated lower than other types of internet service available in Grantsburg from Frontier in terms of customer satisfaction.
Which Fixed Wireless and LTE Internet Providers are Available in Grantsburg?
T-Mobile Home Internet Fixed Wireless in Grantsburg, IL
T-Mobile Home Internet offers Fixed Wireless service to 73.4% of Grantsburg homes. Across the city, T-Mobile Home Internet Fixed Wireless is the only type of service available from the company, with speeds up to 31 Mbps, with speeds from 25 Mpbs up to 100 Mbps depending on the address. Upload speeds differ from download speeds, and are as low 3.0 and as high as 20, with an average of 4.3 Mbps throughout the city.
Wisper Internet Fixed Wireless in Grantsburg, IL
Wisper Internet offers Fixed Wireless service to 61.4% of Grantsburg homes. Across the city, Wisper Internet Fixed Wireless is the only type of service available from the company, with speeds up to 400 Mbps
EarthLink Fixed Wireless in Grantsburg, IL
EarthLink offers Fixed Wireless service to 60.8% of Grantsburg homes. Across the city, EarthLink Fixed Wireless is the only type of service available from the company, with speeds up to 25 Mbps
AT&T Fixed Wireless in Grantsburg, IL
AT&T offers Fixed Wireless service to 60.8% of Grantsburg homes. Across the city, AT&T Fixed Wireless is the only type of service available from the company, with speeds up to 25 Mbps
4SIWI Fixed Wireless in Grantsburg, IL
Southern Illinois Wireless Internet offers Fixed Wireless service to 24.0% of Grantsburg homes. Across the city, 4SIWI Fixed Wireless is the only type of service available from the company, with speeds up to 100 Mbps
Verizon Fixed Wireless in Grantsburg, IL
Verizon offers Fixed Wireless service to 12.3% of Grantsburg homes. Across the city, Verizon Fixed Wireless is the only type of service available from the company, with speeds up to 300 Mbps
Which ISP Should You Choose in Grantsburg?
The right ISP for you depends upon your needs, but in general we can make the following suggestions:
- The best all-around internet service provider in Grantsburg is ProTek Communications.
- The fastest internet provider should be ProTek Communications. Considering speed for the money and reliability in speeds, ProTek Communications may be a better choice based on real-world local customer feedback.
- The most affordable internet provider in Grantsburg is ProTek Communications.
- Viasat, T-Mobile Home Internet, and HughesNet has the broadest coverage in Grantsburg, and is most likely to cover your home. To find out exactly what's available at your home, please use our address search tool.
How does Grantsburg compare to other cities with a similar population?
To see how Grantsburg stacks up on the national level, it's useful to look at some other cities with similarly sized populations. Below you can see a list of these cities and how they compare to Grantsburg's B- ISP Report Card and 34 / 100 Digital Connectivity Index.
- ISP Report Card: A-
- Digital Connectivity Index: 41 / 100
- ISP Report Card: B+
- Digital Connectivity Index: 53 / 100
- ISP Report Card: C
- Digital Connectivity Index: 34 / 100
- ISP Report Card: C+
- Digital Connectivity Index: 32 / 100
- ISP Report Card: C
- Digital Connectivity Index: 35 / 100
- ISP Report Card: D+
- Digital Connectivity Index: 20 / 100
- ISP Report Card: C+
- Digital Connectivity Index: 32 / 100
- ISP Report Card: D-
- Digital Connectivity Index: 82 / 100
- ISP Report Card: D
- Digital Connectivity Index: 32 / 100
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