In Ziebach County there are 2 residential Fiber providers covering 97.89% of the county. The average home can get speeds up to 329 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 Ziebach County, SD.
To see availability maps for all providers including fiber, cable, DSL, and more in Ziebach County, SD please click below.
Ziebach County, SD Availability Maps
Fiber Internet Service Providers in Ziebach 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 Ziebach County are not shown.
Ziebach 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 Ziebach County is fiber internet available?
Fiber Internet Availability Key
Fiber is available in 97.89% of Ziebach County. Areas in green have fiber internet service, where areas in yellow or red may not. The most widely available provider is CRST. Call one of the companies with service in Ziebach County above to see who has service at your home.
How fast is fiber internet in Ziebach County?
The map below shows maximum fiber internet speeds by area in Ziebach County.
Fiber Internet Speed Key
The average Ziebach County home can get up to 329 Mbps on their fiber internet plan. The fastest fiber download speed in the county is 1,000 Mbps, which 10.36% of residents can get. Some homes and apartments do not have access to these speeds. On the slower end, for example, 87.53% of homes can only purchase plans up to 250 Mbps. See the internet provider details below for info about their speed and coverage in Ziebach County.
Fiber internet speeds tend to be faster in the west parts of Ziebach County, and slower in the east areas of the county.
Is fiber the fastest internet I can get in Ziebach County?
The fastest internet for you may vary based on where in Ziebach County you live. In general, satellite competes most often with fiber in the county.
- Fiber is the fastest internet type for 96.73% of Ziebach County homes.
- Cable is fastest for less than 1% of the county.
- DSL is fastest for less than 1%.
- Fixed wireless is fastest for 1.16%.
- Satellite internet may be the only option for 2.11% of Ziebach County homes.
Fiber Providers in Depth
Below you'll find which TV and internet providers offer service in Ziebach County, along with details on where in Ziebach County and at what speeds.
Cheyenne River Sioux Tribe Telephone Authority (CRST) Fiber in Ziebach County, SD
CRST fiber coverage
About 94.82%, or 2,288 people, have CRST fiber internet available to them in the county. The company covers the entire Ziebach County area. CRST is a small internet service provider internet service providers in the US, with internet service available in most of Ziebach County.
Cheyenne River Sioux Tribe Telephone Authority (CRST) fiber download speeds
CRST is one of the slowest when comparing download speeds to all other internet providers in Ziebach County. Versus other fiber providers in the area, CRST fiber is one of the slowest. There are no different maximum speeds throughout Ziebach County. The fastest plan anyone in Ziebach County can order from CRST goes up to 250 Mbps, and all Ziebach County customers can get this speed.
Show all download speeds
- 100.0% up to 250.0 Mbps
Cheyenne River Sioux Tribe Telephone Authority (CRST) fiber upload speeds
In Ziebach County download speeds tend to be faster than than upload speeds for CRST fiber. Compared to other ISPs, CRST is below average where upload speeds are concerned, and the slowest compared to other Ziebach County fiber providers. CRST offers no different upload speeds across the county. The fastest upload speed available to anyone from this ISP in Ziebach County is up to 100 Mbps, which is available to everyone covered.
Show all upload speeds
- 100.0% up to 100.0 Mbps
Golden West Telecommunications Fiber in Ziebach County, SD
Golden West Telecommunications fiber coverage
About 10.36%, or 250 people, have Golden West Telecommunications fiber internet available to them in the county. The company covers the northwest, southwest, and west Ziebach County area. Golden West Telecommunications is a large internet service provider internet service providers in the US, with internet service available in a very small piece of Ziebach County.
Golden West Telecommunications fiber download speeds
Golden West Telecommunications is the fastest when comparing download speeds to all other internet providers in Ziebach County. Versus other fiber providers in the area, Golden West Telecommunications fiber is the fastest. There are no different maximum speeds throughout Ziebach County. The fastest plan anyone in Ziebach County can order from Golden West Telecommunications goes up to 1,000 Mbps, and all Ziebach County customers can get this speed.
Show all download speeds
- 100.0% up to 1,000.0 Mbps
Golden West Telecommunications fiber upload speeds
In Ziebach County download speeds tend to be equal to than upload speeds for Golden West Telecommunications fiber. Compared to other ISPs, Golden West Telecommunications is the fastest where upload speeds are concerned, and the fastest compared to other Ziebach County fiber providers. Golden West Telecommunications offers no different upload speeds across the county. The fastest upload speed available to anyone from this ISP in Ziebach 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
Ziebach County Fiber by Area
This information is most helpful to those looking for homes or considering moving to Ziebach County or any of the areas nearby.
How does fiber internet in Ziebach County compare to the rest of South Dakota?
Fiber internet speeds in Ziebach County are much faster versus the average speeds in South Dakota: 0.00 Mbps in South Dakota versus 329 Mbps in the county. The state has similar fiber availability compared to the county. Average fiber coverage in South Dakota is 0.00% versus 97.89% in Ziebach County.
What zip codes have fiber internet?
Fiber internet coverage varies by zip code and neighborhood. Some examples in or around Ziebach 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
- Potter County, SD: less fiber coverage, faster speeds
- Faulk County, SD: less fiber coverage, faster speeds
- Spink County, SD: less fiber coverage, faster speeds
- Clark County, SD: less fiber coverage, faster speeds
- Codington County, SD: less fiber coverage, faster speeds
- Lac qui Parle County, MN: more fiber coverage, faster speeds
- Chippewa County, MN: less fiber coverage, faster speeds
- McLeod County, MN: less fiber coverage, faster speeds
- Carver County, MN: less fiber coverage, faster speeds
- Hennepin County, MN: less fiber coverage, faster speeds
Counties with Similar Populations
- Pierce County, NE: less fiber coverage, faster speeds
- Madison County, MT: less fiber coverage, faster speeds
- Madison Parish, LA: less fiber coverage, faster speeds
- Mahnomen County, MN: less fiber coverage, faster speeds
- Major County, OK: less fiber coverage, faster speeds
- Perkins County, NE: less fiber coverage, faster speeds
- Perkins County, SD: less fiber coverage, faster speeds
- Perry County, AR: more fiber coverage, faster speeds
- Petersburg Census Area, AK: less fiber coverage, faster speeds
- Petroleum County, MT: less fiber coverage, faster speeds