In Buffalo County there are 7 residential internet providers covering 98.97% of the county. 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.
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7 Internet Service Providers in Buffalo 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 Buffalo County are not shown.
Buffalo 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 Buffalo 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.
Please note some providers will take longer to load than others
Internet service is available in 98.97% of Buffalo 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 Midstate Communications. Now you can call companies in Buffalo County with more confidence that they might be available.
How fast are internet speeds in Buffalo County?
The map below shows maximum internet speeds by area in Buffalo County.
Internet Speed Key
The average Buffalo County home can get up to 1,000 Mbps on their internet plan. For most people, the fastest download speed in the county is 1,000 Mbps, which 98.97% of residents can get.
What type of internet should I choose in Buffalo County?
The fastest internet for you may vary based on where in Buffalo County you live. If speed is your main concern, fiber will be the fastest internet in the county.
- Fiber is the fastest internet type for 98.97% of Buffalo County homes.
- Cable is fastest for less than 1% 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 1.03% of Buffalo County homes.
Internet Market Health in Buffalo County
Internet Competition Key
The map shows how competitive the Buffalo 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 Buffalo County based on what connections the average home has availabile:
- Average number of internet service providers to a home: 1.9 (very unhealthy)
- Average types of service (fiber, cable, DSL, etc): 1.4 (very unhealthy)
- Average providers with broadband (25 Mbps+) speeds: 1.9 (very unhealthy)
Overall, competition is very unhealthy.
Buffalo County internet customers have the ability to buy internet service from 1 to 5 different providers, depending on where they live. For different types of service, Buffalo County homes have between 1 and 2 options. The type(s) of service available are fiber and fixed wireless, 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 similar. Buffalo County internet customers who want faster speeds have between 1 and 5 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, Buffalo County badly needs improvement.
TV & Internet Providers in Depth
Below you'll find which TV and internet providers offer service in Buffalo County, along with details on where in Buffalo County and at what speeds.
Midstate Communications (South Dakota) Fiber in Buffalo County, SD
Midstate Communications fiber coverage
About 98.72%, or 1,923 people, have Midstate Communications fiber internet available to them in the county. The company covers the entire Buffalo County area. Midstate Communications is a small internet service provider internet service providers in the US, with internet service available in most of Buffalo County.
Midstate Communications (South Dakota) fiber download speeds
Midstate Communications is one of the fastest when comparing download speeds to all other internet providers in Buffalo County. Versus other fiber providers in the area, Midstate Communications fiber is one of the fastest. There are no different maximum speeds throughout Buffalo County. The fastest plan anyone in Buffalo County can order from Midstate Communications goes up to 1,000 Mbps, and all Buffalo County customers can get this speed.
Show all download speeds
- 100.0% up to 1,000.0 Mbps
Midstate Communications (South Dakota) fiber upload speeds
In Buffalo County download speeds tend to be equal to than upload speeds for Midstate Communications fiber. Compared to other ISPs, Midstate Communications is one of the fastest where upload speeds are concerned, and one of the fastest compared to other Buffalo County fiber providers. Midstate Communications offers no different upload speeds across the county. The fastest upload speed available to anyone from this ISP in Buffalo 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
venture communications Fiber in Buffalo County, SD
venture communications fiber coverage
About 2.46%, or 48 people, have venture communications fiber internet available to them in the county. The company covers the northwest and northeast Buffalo County area. venture communications is an average-sized internet service provider internet service providers in the US, with internet service available in a very small piece of Buffalo County.
venture communications fiber download speeds
venture communications is one of the fastest when comparing download speeds to all other internet providers in Buffalo County. Versus other fiber providers in the area, venture communications fiber is one of the fastest. There are no different maximum speeds throughout Buffalo County. The fastest plan anyone in Buffalo County can order from venture communications goes up to 1,000 Mbps, and all Buffalo County customers can get this speed.
Show all download speeds
- 100.0% up to 1,000.0 Mbps
venture communications fiber upload speeds
In Buffalo County download speeds tend to be equal to than upload speeds for venture communications fiber. Compared to other ISPs, venture communications is one of the fastest where upload speeds are concerned, and one of the fastest compared to other Buffalo County fiber providers. venture communications offers no different upload speeds across the county. The fastest upload speed available to anyone from this ISP in Buffalo 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
T-Mobile Home Internet Fixed Wireless in Buffalo County, SD
T-Mobile Home Internet fixed wireless coverage
About 37.32%, or 727 people, have T-Mobile Home Internet fixed wireless internet available to them in the county. The company covers the west, north, northwest, south, and northeast Buffalo 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 some of Buffalo 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 Buffalo County. Versus other fixed wireless providers in the area, T-Mobile Home Internet fixed wireless is the fastest. There are 2 different maximum speeds throughout Buffalo County. The fastest plan anyone in Buffalo 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 Buffalo County customers is up to 71 Mbps.
Show all download speeds
- 61.3% up to 100.0 Mbps
- 38.7% up to 25.0 Mbps
T-Mobile Home Internet fixed wireless upload speeds
In Buffalo 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 the fastest compared to other Buffalo 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 Buffalo 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 13 Mbps.
Show all upload speeds
- 61.3% up to 20.0 Mbps
- 38.7% up to 3.0 Mbps
EarthLink Fixed Wireless in Buffalo County, SD
EarthLink fixed wireless coverage
About 24.38%, or 475 people, have EarthLink fixed wireless internet available to them in the county. The company covers the west, north, south, and northwest Buffalo County area. EarthLink is one of the largest internet service providers internet service providers in the US, with internet service available in a small portion of Buffalo County.
EarthLink fixed wireless download speeds
EarthLink is one of the slowest when comparing download speeds to all other internet providers in Buffalo County. Versus other fixed wireless providers in the area, EarthLink fixed wireless is one of the slowest. There are no different maximum speeds throughout Buffalo County. The fastest plan anyone in Buffalo County can order from EarthLink goes up to 25 Mbps, and all Buffalo County customers can get this speed.
Show all download speeds
- 100.0% up to 25.0 Mbps
EarthLink fixed wireless upload speeds
In Buffalo County 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 Buffalo County fixed wireless providers. EarthLink offers no different upload speeds across the county. The fastest upload speed available to anyone from this ISP in Buffalo County 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 Buffalo County, SD
AT&T fixed wireless coverage
About 24.38%, or 475 people, have AT&T fixed wireless internet available to them in the county. The company covers the west, north, south, and northwest Buffalo County area. AT&T is one of the largest internet service providers internet service providers in the US, with internet service available in a small portion of Buffalo County.
AT&T fixed wireless download speeds
AT&T is one of the slowest when comparing download speeds to all other internet providers in Buffalo County. Versus other fixed wireless providers in the area, AT&T fixed wireless is one of the slowest. There are no different maximum speeds throughout Buffalo County. The fastest plan anyone in Buffalo County can order from AT&T goes up to 25 Mbps, and all Buffalo County customers can get this speed.
Show all download speeds
- 100.0% up to 25.0 Mbps
AT&T fixed wireless upload speeds
In Buffalo County 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 Buffalo County fixed wireless providers. AT&T offers no different upload speeds across the county. The fastest upload speed available to anyone from this ISP in Buffalo County is up to 3.0 Mbps, which is available to everyone covered.
Show all upload speeds
- 100.0% up to 3.0 Mbps
Buffalo County Internet by Area
This information is most helpful to those looking for homes or considering moving to Buffalo County or any of the areas nearby.
How does internet in Buffalo County compare to the rest of South Dakota?
Internet speeds in Buffalo County are slower versus the average speeds in South Dakota: 1,953 Mbps in South Dakota versus 1,000 Mbps in the county. The state has similar internet availability compared to the county. Average internet coverage in South Dakota is 98.12% versus 98.97% in Buffalo County.
What zip codes have widespread internet?
Internet coverage varies by zip code and neighborhood. Some examples in or around Buffalo 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
- Lyman County, SD: more internet coverage, slower speeds
- Jerauld County, SD: less internet coverage, similar speeds
- Sanborn County, SD: less internet coverage, similar speeds
- Miner County, SD: less internet coverage, similar speeds
- Haakon County, SD: less internet coverage, similar speeds
- Lake County, SD: less internet coverage, faster speeds
- Moody County, SD: more internet coverage, slower speeds
- Pipestone County, MN: more internet coverage, slower speeds
- Murray County, MN: more internet coverage, slower speeds
- Pennington County, SD: more internet coverage, faster speeds
Counties with Similar Populations
- Cameron Parish, LA: less internet coverage, slower speeds
- Crockett County, TX: less internet coverage, faster speeds
- Crane County, TX: less internet coverage, slower speeds
- Craig County, VA: more internet coverage, slower speeds
- Covington City, VA: more internet coverage, faster speeds
- Pendleton County, WV: less internet coverage, slower speeds
- Perkins County, NE: less internet coverage, slower speeds
- Cook County, MN: less internet coverage, slower speeds
- Powder River County, MT: less internet coverage, slower speeds
- Sierra County, CA: less internet coverage, faster speeds