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5 Best Internet Providers in Grenville, SD

Find internet availability by address in Grenville, SD

Jump to: Best Internet Provider | Availability Maps | Customer Reviews | Grenville ISP Report Card | Business Internet in Grenville

Grenville ISP Report at a Glance
ISP grade Grenville ISP Report Card C
Average speed Download Speed for Most Households 1,000 Mbps
ISP count Number of Internet Service Providers 5
Customer review count Real Grenville Customer Ratings 1

This page reflects the most recent FCC update from January 06, 2026, based on the Broadband Data Collection as of June 30, 2025.

Data update information

This page reflects the most recent FCC update from January 06, 2026, based on the Broadband Data Collection as of June 30, 2025.

Grenville has 5 internet service providers, they are sorted by coverage, available speed, and customer rating from our unbiased internet provider report. Fiber and Fixed Wireless internet are available in the city. Reviews are grouped by provider and the type of service they offer, covering all 2 available internet technologies in Grenville.

Grenville overview

Grenville has 5 internet service providers, they are sorted by coverage, available speed, and customer rating from our unbiased internet provider report. Fiber and Fixed Wireless internet are available in the city. Reviews are grouped by provider and the type of service they offer, covering all 2 available internet technologies in Grenville.

Compare Providers Ranked by Coverage, Speed, and Customer Ratings

venture communications

venture communications logo

Availability:

62.9%

Customer Rating:

4.0 of 5 stars

(1)

View Plans

Price: Starting at $68.95 / mo.

Connection

Availability

Avg. Download Speed InfoThe highest download speed available in Grenville.

Max Download Speed InfoCalculated from the maximum speeds available to most Grenville residents, weighted by user distribution.

Customer Rating

Fiber

62.9%

1,000 Mbps

1,000 Mbps

Fiber: 4.0 of 5 stars

(1)

ITC

ITC logo

Availability:

47.6%

Customer Rating:

4.5 of 5 stars

(6)

View Plans

Price: Starting at $64.95 / mo.

Connection

Availability

Avg. Download Speed InfoThe highest download speed available in Grenville.

Max Download Speed InfoCalculated from the maximum speeds available to most Grenville residents, weighted by user distribution.

Customer Rating

Fiber

47.6%

1,000 Mbps

1,000 Mbps

Fiber: 4.5 of 5 stars

(4)

EarthLink

EarthLink logo

Availability:

9.8%

Customer Rating:

3.8 of 5 stars

(13)

View Plans

1-877-418-2092 Price: Starting at $54.95 / mo.

Connection

Availability

Avg. Download Speed InfoThe highest download speed available in Grenville.

Max Download Speed InfoCalculated from the maximum speeds available to most Grenville residents, weighted by user distribution.

Customer Rating

Fixed Wireless

9.8%

25 Mbps

25 Mbps

Wireless: 0.0 of 5 stars

(0)

T-Mobile Home Internet

T-Mobile Home Internet logo

Availability:

11.6%

Customer Rating:

4.0 of 5 stars

(341)

View Plans

1-833-601-2935 Price: $55.00 - $105.00 / mo.

Connection

Availability

Avg. Download Speed InfoThe highest download speed available in Grenville.

Max Download Speed InfoCalculated from the maximum speeds available to most Grenville residents, weighted by user distribution.

Customer Rating

Fixed Wireless

11.6%

63 Mbps

100 Mbps

Wireless: 3.9 of 5 stars

(204)

Above are the top 4 providers in Grenville, SD for most people based on high speed internet coverage, speeds, and customer reviews. Click below to see all providers in your city.


AT&T

AT&T logo

Availability:

9.8%

Customer Rating:

3.7 of 5 stars

(1,051)

View Plans

1-877-610-1219 Price: $65.00 - $90.00 / mo.

Connection

Availability

Avg. Download Speed InfoThe highest download speed available in Grenville.

Max Download Speed InfoCalculated from the maximum speeds available to most Grenville residents, weighted by user distribution.

Customer Rating

Fixed Wireless

9.8%

25 Mbps

25 Mbps

Wireless: 3.6 of 5 stars

(164)

Providers with less than 1% coverage in this city are excluded from the list. To see if one of these providers is available at your home, please use the address search above.

Satellite providers, which generally offer 100% coverage across the United States, are available for Grenville residents as well. Some of the top satellite options include Dish Network, DirecTV, HughesNet, Viasat, and Starlink. These providers offer varied services and pricing, giving residents flexibility in choosing the best option for their location and needs.

Dish

Dish logo

Availability:

100%

Customer Rating:

3.6923 of 5 stars

(13)

View Plans

1-866-252-1910 Price: {{isp_price_range}}


DirecTV

DirecTV logo

Availability:

100%

Customer Rating:

4.3333 of 5 stars

(9)

View Plans

1-844-294-9501 Price: {{isp_price_range}}


Viasat

Viasat logo

Availability:

100%

Customer Rating:

1.7273 of 5 stars

(11)

View Plans

1-833-875-1370 Price: {{isp_price_range}}


HughesNet

HughesNet logo

Availability:

100%

Customer Rating:

2.4286 of 5 stars

(21)

View Plans

1-833-684-9249 Price: {{isp_price_range}}


Starlink

Starlink logo

Availability:

100%

Customer Rating:

3.9836 of 5 stars

(61)

View Plans

Price: {{isp_price_range}}

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 Grenville ratings may vary and are shown below.

Who is the Best Internet Provider in Grenville, SD?

AT&T is the best internet provider in Grenville based on South Dakota customer satisfaction ratings and reviews. Based on our extensive and unbiased survey, AT&T had the best reviews at the local, state, and national levels versus all available providers in Grenville, making it a solid recommendation among providers with reviews. Unfortunately, AT&T is an option for 9.78% of the city.

AT&T logo

Click here to get AT&T

or call 1-877-610-1219

The chart and table below show average customer ratings from customers in Grenville, South Dakota, and customers throughout the country.

Top Rated Internet Providers in Grenville


ITC4.504.40
AT&T4.673.66
venture communications4.004.00
HughesNet2.002.29
  • City Rating
  • State Rating
  • National Rating

Local, State, and National Ratings for all Grenville Internet Providers

ISP / Tech TypeGrenville OverallSouth Dakota OverallNational OverallFor Service
ITC (1) (6) (6)View Plans
AT&T (0) (3) (924)View Plans
venture communications (0) (1) (1)View Plans
HughesNet (0) (1) (18)View Plans
T-Mobile Home Internet (0) (0) (284)View Plans
EarthLink (0) (0) (12)View Plans
Viasat (0) (0) (11)View Plans

Based on 11 reviews from South Dakota internet customers, AT&T is the best internet service provider for Grenville residents. AT&T was rated at an average of 4.67 out of 5 in our report for overall customer satisfaction. Interstate Telecommunications Cooperative wins for second-place in South Dakota, with 4.50 out of 5 stars and 47.6% coverage in Grenville.

At a national level, based on 1256 national reviews for any of the providers listed above, venture communications is rated higher than any other provider, with a rating of 4.00 out of 5.

Which Providers are Available at my Home in Grenville?

The map shows speeds per provider and where each provider is available. Click the drop-down menu to choose
a different provider.

Grenville, SD map of internet availability

Internet Availability Key

0%
10%
50%
100%

 

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 Grenville?

According to unbiased feedback from real internet customers in the city, they reported being happiest with speeds provided by venture communications. On the other hand, based on data provided by the internet providers to the FCC, venture communications and Interstate Telecommunications Cooperative should have faster speeds at a local level. While we typically put more weight on real-world customer ratings, we display both satisfaction and technical maximum information for customers to decide for themselves.

Data Reported to FCC by ISPs: Average Maximum Available in Grenville

Max Advertised Speed in Grenville, SD


ISP / Tech TypeMax Advertised Speed
Interstate Telecommunications Cooperative1,000 Mbps
venture communications1,000 Mbps
T-Mobile Home Internet100 Mbps
Viasat100 Mbps
AT&T25 Mbps
EarthLink25 Mbps
HughesNet25 Mbps

Customer Ratings for Internet Provider Speeds in Grenville


ITC4.334.37
venture communications5.005.00
AT&T4.673.75
HughesNet2.002.25
  • City Rating
  • State Rating
  • National Rating

ISP / Tech TypeGrenville SpeedSouth Dakota SpeedNational SpeedFor Service
ITC (1) (6) (6)View Plans
venture communications (0) (1) (1)View Plans
AT&T (0) (3) (924)View Plans
HughesNet (0) (1) (18)View Plans
T-Mobile Home Internet (0) (0) (284)View Plans
EarthLink (0) (0) (12)View Plans
Viasat (0) (0) (11)View Plans

Based on data reported by Grenville ISPs to the FCC, the fastest speeds in the city are available through venture communications and Interstate Telecommunications Cooperative. These internet providers offer speeds up to 1,000 Mbps in Grenville. Therefore, the average customer can get up to 1,000 Mbps if they're willing to purchase the fastest subscription tier available at their homes.

Additionally, actual customers in the city rated their satisfaction with internet speed highest with venture communications. This indicates venture communications reliably delivers speeds expected by the customer based on the plan they are paying for.

Who is the Cheapest Internet Provider in Grenville?

South Dakota customers rate AT&T 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.

AT&T received a local rating of 4.00 out of 5, which is lower than the average across all internet providers in the country. venture communications is rated in second place for affordability by the company’s Grenville customers with an average price rating of 4.00 out of 5.

The chart and graph below show how customers in Grenville, South Dakota, and the United States rated the affordability of their internet service.

Rated Affordability in Grenville


ITC3.503.31
AT&T4.003.51
venture communications4.004.00
HughesNet2.002.56
  • City Rating
  • State Rating
  • National Rating

ISP / Tech TypeGrenville AffordabilitySouth Dakota AffordabilityNational AffordabilityFor Service
ITC (1) (6) (6)View Plans
venture communications (0) (1) (1)View Plans
AT&T (0) (3) (924)View Plans
HughesNet (0) (1) (18)View Plans
T-Mobile Home Internet (0) (0) (284)View Plans
EarthLink (0) (0) (12)View Plans
Viasat (0) (0) (11)View Plans

Grenville 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 Grenville below, including the metrics used and how Grenville compares to the rest of South Dakota and nation.

Grenville ISP Report Card: C
Metric

(hover for details)
Grenville South Dakota USA
100.00% 60.99% 67.25%
1,000 Mbps 1,953 Mbps 3,293 Mbps
1.4 5.3 6.8

 

Grenville Digital Connectivity Index: 44 / 100
Metric

(hover for details)
Grenville South Dakota USA
2.5 2.5 2.7
17% 10% 14%
84% 94% 95%
77% 89% 90%
64% 75% 75%
64% 76% 76%

Our demographic data is sourced from the latest 5-year release of the American Community Survey by the US Census Bureau.

Grenville ISP Report Card & Digital Connectivity Index

The ISP Report Card in Grenville is C, which is comparable to other cities. The local demand for broadband internet connectivity in Grenville is high with a score of 44 / 100 in our Digital Connectivity Index. This means that internet service providers operating in Grenville have done a average job meeting the needs of its residents.

The Grenville 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.

77% of Grenville households have an internet connection despite having 100.00% availability. 64% of households have fiber, cable, or DSL, 4% have satellite, 0% are still on dial-up, and 6% 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 64% of households have a broadband connection such as fiber, cable or DSL available to their home, 64% subscribe to it. A moderate amount of Grenville 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 Grenville?

Waubay, SD

  • ISP Report Card: C+
  • Digital Connectivity Index: 37 / 100
Roslyn, SD

  • ISP Report Card: C+
  • Digital Connectivity Index: 53 / 100
Ortley, SD

  • ISP Report Card: C+
  • Digital Connectivity Index: 45 / 100
Eden, SD

  • ISP Report Card: C
  • Digital Connectivity Index: 59 / 100
Webster, SD

  • ISP Report Card: C+
  • Digital Connectivity Index: 37 / 100
Peever, SD

  • ISP Report Card: C
  • Digital Connectivity Index: 43 / 100
Lake City, SD

  • ISP Report Card: C
  • Digital Connectivity Index: 61 / 100
Summit, SD

  • ISP Report Card: C+
  • Digital Connectivity Index: 43 / 100
Sisseton, SD

  • ISP Report Card: C
  • Digital Connectivity Index: 50 / 100

How Much Speed does a Grenville Household Need?

Higher speed is typically preferred, but that comes at a higher price. The average size of a household in Grenville is 2.5, which is smaller than the South Dakota average of 2.5 and smaller than the national average of 2.7. Grenville's average household income is $59,493 which is lower than the South Dakota average of $76,929 and lower than the national average of $90,606. Homes with fewer people living in them and with lower incomes tend to indicate fewer devices being used less often.

Grenville also has 16% of its population enrolled in school between the 6th grade and college level, this is higher than the South Dakota average of 15%. Additionally, 17% of residents work from home, which is higher than the 10% of residents in South Dakota who work from home. This and other factors you can see above show us that the community of Grenville has an average need for internet connectivity and speeds.

Compared to the rest of the country, Grenville households are much more technology-disengaged. 84% of households have some sort of computing device, 73% have desktops or laptops in the home, and 80% have smartphones. To see what speeds you are currently getting, please visit our internet speed test tool.

Which Fiber Internet Providers are Available in Grenville?

venture communications Fiber in Grenville, SD

venture communications logo

Availability:

62.9%

Customer Rating:

4.0 of 5 stars

(1)

Avg. Download Speed

1,000 Mbps

venture communications offers Fiber service to 62.9% of Grenville homes. Across the city, venture communications Fiber is the only type of service available from the company, with speeds up to 1,000 Mbps, with speeds from 1,000 Mpbs up to 1,000 Mbps depending on the address. Upload speeds are symmetrical, meaning they are exactly the same as download speeds for venture communications Fiber. venture communications Fiber is rated the same as other types of internet service available in Grenville from venture communications in terms of customer satisfaction.

ITC Fiber in Grenville, SD

ITC logo

Availability:

47.6%

Customer Rating:

4.5 of 5 stars

(4)

Avg. Download Speed

1,000 Mbps

Interstate Telecommunications Cooperative offers Fiber service to 47.6% of Grenville homes. Across the city, ITC Fiber is the only type of service available from the company, with speeds up to 1,000 Mbps, with speeds from 1,000 Mpbs up to 1,000 Mbps depending on the address. Upload speeds are symmetrical, meaning they are exactly the same as download speeds for ITC Fiber. ITC Fiber is rated the same as other types of internet service available in Grenville from ITC in terms of customer satisfaction.

Which Cable Internet Providers are Available in Grenville?

According to the most recently submitted data by internet service providers to the FCC, there are currently no cable providers available in Grenville, SD.

Which DSL Internet Providers are Available in Grenville?

According to the most recently submitted data by internet service providers to the FCC, there are currently no DSL providers available in Grenville, SD.

Which Fixed Wireless and LTE Internet Providers are Available in Grenville?

T-Mobile Home Internet Fixed Wireless in Grenville, SD

T-Mobile Home Internet logo

Availability:

11.6%

Customer Rating:

 of 5 stars

(0)

Avg. Download Speed

63 Mbps

T-Mobile Home Internet offers Fixed Wireless service to 11.6% of Grenville homes. Across the city, T-Mobile Home Internet Fixed Wireless is the only type of service available from the company, with speeds up to 63 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 12 Mbps throughout the city. T-Mobile Home Internet Fixed Wireless is rated other types of internet service available in Grenville from T-Mobile Home Internet in terms of customer satisfaction.

EarthLink Fixed Wireless in Grenville, SD

EarthLink logo

Availability:

9.8%

Customer Rating:

 of 5 stars

(0)

Avg. Download Speed

25 Mbps

EarthLink offers Fixed Wireless service to 9.8% of Grenville homes. Across the city, EarthLink Fixed Wireless is the only type of service available from the company, with speeds up to 25 Mbps, with speeds from 25 Mpbs up to 25 Mbps depending on the address. Upload speeds differ from download speeds, and are as low 3.0 and as high as 3.0, with an average of 3.0 Mbps throughout the city. EarthLink Fixed Wireless is rated other types of internet service available in Grenville from EarthLink in terms of customer satisfaction.

AT&T Fixed Wireless in Grenville, SD

AT&T logo

Availability:

9.8%

Customer Rating:

 of 5 stars

(0)

Avg. Download Speed

25 Mbps

AT&T offers Fixed Wireless service to 9.8% of Grenville homes. Across the city, AT&T Fixed Wireless is the only type of service available from the company, with speeds up to 25 Mbps, with speeds from 25 Mpbs up to 25 Mbps depending on the address. Upload speeds differ from download speeds, and are as low 3.0 and as high as 3.0, with an average of 3.0 Mbps throughout the city. AT&T Fixed Wireless is rated other types of internet service available in Grenville from AT&T in terms of customer satisfaction.

Which ISP Should You Choose in Grenville?

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 Grenville is AT&T.
  • The fastest internet provider should be venture communications and Interstate Telecommunications Cooperative. Considering speed for the money and reliability in speeds, venture communications may be a better choice based on real-world local customer feedback.
  • The most affordable internet provider in Grenville is AT&T.
  • venture communications, Viasat, and HughesNet has the broadest coverage in Grenville, 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 Grenville compare to other cities with a similar population?

To see how Grenville 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 Grenville's C ISP Report Card and 44 / 100 Digital Connectivity Index.

Moclips, WA

  • ISP Report Card: F
  • Digital Connectivity Index: 49 / 100
Pollard, TN

  • ISP Report Card: C+
  • Digital Connectivity Index: 36 / 100
Pointer, KY

  • ISP Report Card: C
  • Digital Connectivity Index: 24 / 100
Point Nipigon, MI

  • ISP Report Card: C+
  • Digital Connectivity Index: 40 / 100
New Canton, TN

  • ISP Report Card: B+
  • Digital Connectivity Index: 63 / 100
Murray City, OH

  • ISP Report Card: D-
  • Digital Connectivity Index: 53 / 100
Murphytown, WV

  • ISP Report Card: A
  • Digital Connectivity Index: 52 / 100
Murphysville, KY

  • ISP Report Card: B-
  • Digital Connectivity Index: 42 / 100
Mountain View, CO

  • ISP Report Card: A-
  • Digital Connectivity Index: 70 / 100

Customer Reviews

Customer Reviews for Internet Service Providers in South Dakota

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