In Grant County there are 10 residential internet providers covering 99.81% of the county. The average home can get speeds up to 1,165 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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10 Internet Service Providers in Grant County
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 Grant County are not shown.
Grant County 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 Grant County
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 99.81% of Grant County. 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 ITC. Now you can call companies in Grant County with more confidence that they might be available.
How fast are internet speeds in Grant County?
The map below shows maximum internet speeds by area in Grant County.

Internet Speed Key
The average Grant County home can get up to 1,165 Mbps on their internet plan. For most people, the fastest download speed in the county is 1,500 Mbps, which 6.06% of residents can get. Some homes and apartments do not have access to these speeds. On the slower end, for example, 39.85% 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 Grant County.
Internet speeds tend to be faster in the northwest parts of Grant County, and slower in the south areas of the county.
What type of internet should I choose in Grant County?
The fastest internet for you may vary based on where in Grant County you live. If speed is your main concern, cable will be the fastest internet in the county.
- Fiber is the fastest internet type for 45.91% of Grant County homes.
- Cable is fastest for 53.90% of the county.
- 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 Grant County homes.
Internet Market Health in Grant County

Internet Competition Key
The map shows how competitive the Grant County 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 Grant County based on what connections the average home has availabile:
- Average number of internet service providers to a home: 2.9 (very unhealthy)
- Average types of service (fiber, cable, DSL, etc): 2.7 (unhealthy)
- Average providers with broadband (25 Mbps+) speeds: 2.5 (very unhealthy)
Overall, competition is very unhealthy.
Grant County internet customers have the ability to buy internet service from 1 to 6 different providers, depending on where they live. For different types of service, Grant County homes have between 1 and 4 options. The type(s) of service available are fiber, dsl, fixed wireless, and cable, though these may vary depending on the region within the county.
When it comes to broadband download speeds faster than 25 Mbps, the situation is worse. Grant County internet customers who want faster speeds have between 1 and 6 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, Grant County badly needs improvement.
TV & Internet Providers in Depth
Below you'll find which TV and internet providers offer service in Grant County, along with details on where in Grant County and at what speeds.
Interstate Telecommunications Cooperative Fiber in Grant County, SD

ITC fiber coverage
About 90.70%, or 6,853 people, have ITC fiber internet available to them in the county. The company covers the entire Grant County area. ITC is a large internet service provider internet service providers in the US, with internet service available in most of Grant County.
Interstate Telecommunications Cooperative fiber download speeds
ITC is above average when comparing download speeds to all other internet providers in Grant County. Versus other fiber providers in the area, ITC fiber is above average. There are no different maximum speeds throughout Grant County. The fastest plan anyone in Grant County can order from ITC goes up to 1,000 Mbps, and all Grant County customers can get this speed.
Show all download speeds
- 100.0% up to 1,000.0 Mbps
Interstate Telecommunications Cooperative fiber upload speeds
In Grant County download speeds tend to be equal to than upload speeds for ITC fiber. Compared to other ISPs, ITC is above average where upload speeds are concerned, and above average compared to other Grant County fiber providers. ITC offers no different upload speeds across the county. The fastest upload speed available to anyone from this ISP in Grant County is up to 1,000 Mbps, which is available to everyone covered.
Show all upload speeds
- 100.0% up to 1,000.0 Mbps
Centurylink DSL in Grant County, SD

Centurylink DSL coverage
About 59.60%, or 4,503 people, have Centurylink DSL internet available to them in the county. The company covers the central, east, north, northeast, west, south, southwest, and southeast Grant County area. Centurylink is one of the largest internet service providers internet service providers in the US, with internet service available in a majority of Grant County.
Centurylink DSL download speeds
Centurylink is the slowest when comparing download speeds to all other internet providers in Grant County. Versus other DSL providers in the area, Centurylink DSL is the fastest. There are 3 different maximum speeds throughout Grant County. The fastest plan anyone in Grant County can order from Centurylink goes up to 60 Mbps, the slowest package only goes up to 10 Mbps, and the county-wide average maximum speed for Grant County customers is up to 22 Mbps.
Show all download speeds
- 5.8% up to 60.0 Mbps
- 29.5% up to 40.0 Mbps
- 64.7% up to 10.0 Mbps
Centurylink DSL upload speeds
In Grant County download speeds tend to be faster than than upload speeds for Centurylink DSL. Compared to other ISPs, Centurylink is the slowest where upload speeds are concerned, and the fastest compared to other Grant County DSL providers. Centurylink offers 3 different upload speeds across the county, so your internet plan's upload speed may vary by neighborhood . The fastest upload speed available to anyone from this ISP in Grant County is up to 5.0 Mbps. Some customers have slower plan choices, which only go up to 1.0 Mbps. On average, Centurylink customers can get speeds up to 1.8 Mbps.
Show all upload speeds
- 5.8% up to 5.0 Mbps
- 29.5% up to 3.0 Mbps
- 64.7% up to 1.0 Mbps
Midco Cable in Grant County, SD

Midco cable coverage
About 53.90%, or 4,073 people, have Midco cable internet available to them in the county. The company covers the central, east, northeast, and north Grant County area. Midco is a large internet service provider internet service providers in the US, with internet service available in a majority of Grant County.
Midco cable download speeds
Midco is above average when comparing download speeds to all other internet providers in Grant County. Versus other cable providers in the area, Midco cable is the fastest. There are no different maximum speeds throughout Grant County. The fastest plan anyone in Grant County can order from Midco goes up to 1,250 Mbps, and all Grant County customers can get this speed.
Show all download speeds
- 100.0% up to 1,250.0 Mbps
Midco cable upload speeds
In Grant County download speeds tend to be faster than than upload speeds for Midco cable. Compared to other ISPs, Midco is below average where upload speeds are concerned, and the fastest compared to other Grant County cable providers. Midco offers no different upload speeds across the county. The fastest upload speed available to anyone from this ISP in Grant County is up to 60 Mbps, which is available to everyone covered.
Show all upload speeds
- 100.0% up to 60.0 Mbps
RC Technologies Fiber in Grant County, SD

RC Technologies fiber coverage
About 6.06%, or 458 people, have RC Technologies fiber internet available to them in the county. The company covers the northwest, west, north, and northeast Grant County area. RC Technologies is a small internet service provider internet service providers in the US, with internet service available in a very small piece of Grant County.
RC Technologies fiber download speeds
RC Technologies is the fastest when comparing download speeds to all other internet providers in Grant County. Versus other fiber providers in the area, RC Technologies fiber is the fastest. There are no different maximum speeds throughout Grant County. The fastest plan anyone in Grant County can order from RC Technologies goes up to 1,500 Mbps, and all Grant County customers can get this speed.
Show all download speeds
- 100.0% up to 1,500.0 Mbps
RC Technologies fiber upload speeds
In Grant County download speeds tend to be equal to than upload speeds for RC Technologies fiber. Compared to other ISPs, RC Technologies is the fastest where upload speeds are concerned, and the fastest compared to other Grant County fiber providers. RC Technologies offers no different upload speeds across the county. The fastest upload speed available to anyone from this ISP in Grant County is up to 1,500 Mbps, which is available to everyone covered.
Show all upload speeds
- 100.0% up to 1,500.0 Mbps
Verizon Fixed Wireless in Grant County, SD

Verizon fixed wireless coverage
About 43.58%, or 3,293 people, have Verizon fixed wireless internet available to them in the county. The company covers the central, east, north, northeast, west, southeast, south, and southwest Grant County area. Verizon is one of the largest internet service providers internet service providers in the US, with internet service available in some of Grant County.
Verizon fixed wireless download speeds
Verizon is below average when comparing download speeds to all other internet providers in Grant County. Versus other fixed wireless providers in the area, Verizon fixed wireless is the fastest. There are no different maximum speeds throughout Grant County. The fastest plan anyone in Grant County can order from Verizon goes up to 300 Mbps, and all Grant County customers can get this speed.
Show all download speeds
- 100.0% up to 300.0 Mbps
Verizon fixed wireless upload speeds
In Grant County 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 average compared to other Grant County fixed wireless providers. Verizon offers no different upload speeds across the county. The fastest upload speed available to anyone from this ISP in Grant County is up to 20 Mbps, which is available to everyone covered.
Show all upload speeds
- 100.0% up to 20.0 Mbps
T-Mobile Home Internet Fixed Wireless in Grant County, SD

T-Mobile Home Internet fixed wireless coverage
About 11.33%, or 856 people, have T-Mobile Home Internet fixed wireless internet available to them in the county. The company covers the northeast, central, northwest, and west Grant County area. T-Mobile Home Internet is one of the largest internet service providers internet service providers in the US, with internet service available in a very small piece of Grant County.
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 Grant County. Versus other fixed wireless providers in the area, T-Mobile Home Internet fixed wireless is below average. There are 2 different maximum speeds throughout Grant County. The fastest plan anyone in Grant County can order from T-Mobile Home Internet goes up to 100 Mbps, the slowest package only goes up to 25 Mbps, and the county-wide average maximum speed for Grant County customers is up to 38 Mbps.
Show all download speeds
- 17.6% up to 100.0 Mbps
- 82.4% up to 25.0 Mbps
T-Mobile Home Internet fixed wireless upload speeds
In Grant County 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 Grant County fixed wireless providers. T-Mobile Home Internet offers 2 different upload speeds across the county, so your internet plan's upload speed may vary by neighborhood . The fastest upload speed available to anyone from this ISP in Grant County 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 6.0 Mbps.
Show all upload speeds
- 17.6% up to 20.0 Mbps
- 82.4% up to 3.0 Mbps
EarthLink Fixed Wireless in Grant County, SD

EarthLink fixed wireless coverage
About 8.83%, or 667 people, have EarthLink fixed wireless internet available to them in the county. The company covers the east, central, northeast, north, south, southeast, west, and southwest Grant County 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 Grant County.
EarthLink fixed wireless download speeds
EarthLink is below average when comparing download speeds to all other internet providers in Grant County. Versus other fixed wireless providers in the area, EarthLink fixed wireless is one of the slowest. There are 2 different maximum speeds throughout Grant County. The fastest plan anyone in Grant County can order from EarthLink goes up to 100 Mbps, the slowest package only goes up to 25 Mbps, and the county-wide average maximum speed for Grant County customers is up to 26 Mbps.
Show all download speeds
- 1.8% up to 100.0 Mbps
- 98.2% up to 25.0 Mbps
EarthLink fixed wireless upload speeds
In Grant County download speeds tend to be faster than than upload speeds for EarthLink fixed wireless. Compared to other ISPs, EarthLink is below average where upload speeds are concerned, and one of the slowest compared to other Grant County fixed wireless providers. EarthLink offers 2 different upload speeds across the county, so your internet plan's upload speed may vary by neighborhood . The fastest upload speed available to anyone from this ISP in Grant County is up to 20 Mbps. Some customers have slower plan choices, which only go up to 3.0 Mbps. On average, EarthLink customers can get speeds up to 3.3 Mbps.
Show all upload speeds
- 1.8% up to 20.0 Mbps
- 98.2% up to 3.0 Mbps
AT&T Fixed Wireless in Grant County, SD

AT&T fixed wireless coverage
About 8.83%, or 667 people, have AT&T fixed wireless internet available to them in the county. The company covers the east, central, northeast, north, south, southeast, west, and southwest Grant County 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 Grant County.
AT&T fixed wireless download speeds
AT&T is below average when comparing download speeds to all other internet providers in Grant County. Versus other fixed wireless providers in the area, AT&T fixed wireless is one of the slowest. There are 2 different maximum speeds throughout Grant County. The fastest plan anyone in Grant County can order from AT&T goes up to 100 Mbps, the slowest package only goes up to 25 Mbps, and the county-wide average maximum speed for Grant County customers is up to 26 Mbps.
Show all download speeds
- 1.8% up to 100.0 Mbps
- 98.2% up to 25.0 Mbps
AT&T fixed wireless upload speeds
In Grant County download speeds tend to be faster than than upload speeds for AT&T fixed wireless. Compared to other ISPs, AT&T is below average where upload speeds are concerned, and one of the slowest compared to other Grant County fixed wireless providers. AT&T offers 2 different upload speeds across the county, so your internet plan's upload speed may vary by neighborhood . The fastest upload speed available to anyone from this ISP in Grant County is up to 20 Mbps. Some customers have slower plan choices, which only go up to 3.0 Mbps. On average, AT&T customers can get speeds up to 3.3 Mbps.
Show all upload speeds
- 1.8% up to 20.0 Mbps
- 98.2% up to 3.0 Mbps
Midco Fixed Wireless in Grant County, SD

Midco fixed wireless coverage
About 3.48%, or 263 people, have Midco fixed wireless internet available to them in the county. The company covers the west, northwest, and southwest Grant County area. Midco is a large internet service provider internet service providers in the US, with internet service available in a very small piece of Grant County.
Midco fixed wireless download speeds
Midco is below average when comparing download speeds to all other internet providers in Grant County. Versus other fixed wireless providers in the area, Midco fixed wireless is average. There are no different maximum speeds throughout Grant County. The fastest plan anyone in Grant County can order from Midco goes up to 100 Mbps, and all Grant County customers can get this speed.
Show all download speeds
- 100.0% up to 100.0 Mbps
Midco fixed wireless upload speeds
In Grant County download speeds tend to be faster than than upload speeds for Midco fixed wireless. Compared to other ISPs, Midco is below average where upload speeds are concerned, and average compared to other Grant County fixed wireless providers. Midco offers no different upload speeds across the county. The fastest upload speed available to anyone from this ISP in Grant County is up to 20 Mbps, which is available to everyone covered.
Show all upload speeds
- 100.0% up to 20.0 Mbps
Grant County Internet by Area
This information is most helpful to those looking for homes or considering moving to Grant County or any of the areas nearby.
How does internet in Grant County compare to the rest of South Dakota?
Internet speeds in Grant County are slower versus the average speeds in South Dakota: 1,953 Mbps in South Dakota versus 1,165 Mbps in the county. The state has similar internet availability compared to the county. Average internet coverage in South Dakota is 98.12% versus 99.81% in Grant County.
What zip codes have widespread internet?
Internet coverage varies by zip code and neighborhood. Some examples in or around Grant County 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 counties?
Below are counties nearby and with similar populations. This comparison can be useful if living somewhere with fast internet is important to you.
Nearby Counties
- Big Stone County, MN: more internet coverage, slower speeds
- Lac qui Parle County, MN: more internet coverage, slower speeds
- Codington County, SD: less internet coverage, faster speeds
- Roberts County, SD: less internet coverage, slower speeds
- Deuel County, SD: less internet coverage, slower speeds
- Traverse County, MN: less internet coverage, slower speeds
- Day County, SD: less internet coverage, slower speeds
- Stevens County, MN: less internet coverage, slower speeds
- Swift County, MN: more internet coverage, faster speeds
- Yellow Medicine County, MN: less internet coverage, faster speeds
Counties with Similar Populations
- Garza County, TX: less internet coverage, faster speeds
- Franklin County, AR: less internet coverage, slower speeds
- Franklin County, FL: less internet coverage, slower speeds
- Franklin County, ID: less internet coverage, slower speeds
- Franklin County, MS: less internet coverage, faster speeds
- Franklin County, TX: less internet coverage, faster speeds
- Garfield County, MT: less internet coverage, slower speeds
- Garfield County, UT: less internet coverage, slower speeds
- Garrard County, KY: less internet coverage, faster speeds
- Franklin City, VA: less internet coverage, slower speeds


