In Sully County there is 1 residential Fiber provider covering 99.59% 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.
This page contains all Fiber internet providers in Sully County, SD.
To see availability maps for all providers including fiber, cable, DSL, and more in Sully County, SD please click below.
Sully County, SD Availability Maps
Fiber Internet Service Provider in Sully 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 Sully County are not shown.
Sully 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
Where in Sully County is fiber internet available?
Fiber Internet Availability Key
Fiber is available in 99.59% of Sully County. Areas in green have fiber internet service, where areas in yellow or red may not. The most widely available provider is venture communications. Call one of the companies with service in Sully County above to see who has service at your home.
How fast is fiber internet in Sully County?
The map below shows maximum fiber internet speeds by area in Sully County.
Fiber Internet Speed Key
The average Sully County home can get up to 1,000 Mbps on their fiber internet plan. The fastest fiber download speed in the county is 1,000 Mbps, which 99.59% of residents can get.
Is fiber the fastest internet I can get in Sully County?
The fastest internet for you may vary based on where in Sully County you live. In general, satellite competes most often with fiber in the county.
- Fiber is the fastest internet type for 99.59% of Sully 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 less than 1% of Sully County homes.
Fiber Providers in Depth
Below you'll find which TV and internet providers offer service in Sully County, along with details on where in Sully County and at what speeds.
venture communications Fiber in Sully County, SD
venture communications fiber coverage
About 99.59%, or 1,440 people, have venture communications fiber internet available to them in the county. The company covers the entire Sully County area. venture communications is an average-sized internet service provider internet service providers in the US, with internet service available in most of Sully County.
venture communications fiber download speeds
venture communications is the fastest when comparing download speeds to all other internet providers in Sully County. Versus other fiber providers in the area, venture communications fiber is the fastest. There are no different maximum speeds throughout Sully County. The fastest plan anyone in Sully County can order from venture communications goes up to 1,000 Mbps, and all Sully County customers can get this speed.
Show all download speeds
- 100.0% up to 1,000.0 Mbps
venture communications fiber upload speeds
In Sully County download speeds tend to be equal to than upload speeds for venture communications fiber. Compared to other ISPs, venture communications is the fastest where upload speeds are concerned, and the fastest compared to other Sully County fiber providers. venture communications offers no different upload speeds across the county. The fastest upload speed available to anyone from this ISP in Sully 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
Sully County Fiber by Area
This information is most helpful to those looking for homes or considering moving to Sully County or any of the areas nearby.
How does fiber internet in Sully County compare to the rest of South Dakota?
Fiber internet speeds in Sully County are much faster versus the average speeds in South Dakota: 0.00 Mbps in South Dakota versus 1,000 Mbps in the county. The state has similar fiber availability compared to the county. Average fiber coverage in South Dakota is 0.00% versus 99.59% in Sully County.
What zip codes have fiber internet?
Fiber internet coverage varies by zip code and neighborhood. Some examples in or around Sully County are shown below. You can enter any zip code here to see TV and internet providers by zip code.
What does fiber internet 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
- Clark County, SD: less fiber coverage, similar speeds
- Hamlin County, SD: more fiber coverage, similar speeds
- Deuel County, SD: more fiber coverage, faster speeds
- Butte County, SD: less fiber coverage, faster speeds
- Yellow Medicine County, MN: less fiber coverage, faster speeds
- Renville County, MN: less fiber coverage, similar speeds
- McLeod County, MN: less fiber coverage, faster speeds
- Carver County, MN: less fiber coverage, faster speeds
- Scott County, MN: less fiber coverage, faster speeds
- Sheridan County, WY: less fiber coverage, faster speeds
Counties with Similar Populations
- Butler County, NE: less fiber coverage, slower speeds
- Washita County, OK: less fiber coverage, faster speeds
- Washington County, NC: less fiber coverage, faster speeds
- Washington County, KS: less fiber coverage, faster speeds
- Washington County, ID: less fiber coverage, similar speeds
- Washington County, CO: less fiber coverage, similar speeds
- Washakie County, WY: less fiber coverage, similar speeds
- Warren County, IN: less fiber coverage, similar speeds
- Warren County, GA: less fiber coverage, faster speeds
- Walworth County, SD: less fiber coverage, similar speeds