In Ziebach County there are 5 residential internet providers covering 97.89% of the county. The average home can get speeds up to 330 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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5 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
Availability maps for all providers in Ziebach 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 97.89% of Ziebach 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 CRST. Now you can call companies in Ziebach County with more confidence that they might be available.
How fast are internet speeds in Ziebach County?
The map below shows maximum internet speeds by area in Ziebach County.

Internet Speed Key
The average Ziebach County home can get up to 330 Mbps on their internet plan. For most people, the fastest 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, 86.37% 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.
Internet speeds tend to be faster in the west parts of Ziebach County, and slower in the southeast areas of the county.
What type of internet should I choose in Ziebach County?
The fastest internet for you may vary based on where in Ziebach 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 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.
Internet Market Health in Ziebach County

Internet Competition Key
The map shows how competitive the Ziebach 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 Ziebach County based on what connections the average home has availabile:
- Average number of internet service providers to a home: 1.1 (very unhealthy)
- Average types of service (fiber, cable, DSL, etc): 1.0 (very unhealthy)
- Average providers with broadband (25 Mbps+) speeds: 1.1 (very unhealthy)
Overall, competition is very unhealthy.
Ziebach County internet customers have the ability to buy internet service from 1 to 2 different providers, depending on where they live. For different types of service, Ziebach 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. Ziebach County internet customers who want faster speeds have between 1 and 2 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, Ziebach County badly needs improvement.
TV & Internet 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
Verizon Fixed Wireless in Ziebach County, SD

Verizon fixed wireless coverage
About 1.20%, or 29 people, have Verizon fixed wireless internet available to them in the county. The company covers the east, northeast, central, and west Ziebach County area. Verizon is one of the largest internet service providers internet service providers in the US, with internet service available in a very small piece of Ziebach County.
Verizon fixed wireless download speeds
Verizon is below average when comparing download speeds to all other internet providers in Ziebach County. Versus other fixed wireless providers in the area, Verizon fixed wireless is the fastest. There are no different maximum speeds throughout Ziebach County. The fastest plan anyone in Ziebach County can order from Verizon goes up to 300 Mbps, and all Ziebach County customers can get this speed.
Show all download speeds
- 100.0% up to 300.0 Mbps
Verizon fixed wireless upload speeds
In Ziebach County download speeds tend to be faster than than upload speeds for Verizon fixed wireless. Compared to other ISPs, Verizon is the slowest where upload speeds are concerned, and the fastest compared to other Ziebach County fixed wireless providers. Verizon offers no different upload speeds across the county. The fastest upload speed available to anyone from this ISP in Ziebach County is up to 20 Mbps, which is available to everyone covered.
Show all upload speeds
- 100.0% up to 20.0 Mbps
Ziebach County Internet 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 internet in Ziebach County compare to the rest of South Dakota?
Internet speeds in Ziebach County are slower versus the average speeds in South Dakota: 1,953 Mbps in South Dakota versus 330 Mbps in the county. The state has similar internet availability compared to the county. Average internet coverage in South Dakota is 98.12% versus 97.89% in Ziebach County.
What zip codes have widespread internet?
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 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
- Potter County, SD: less internet coverage, faster speeds
- Faulk County, SD: more internet coverage, faster speeds
- Spink County, SD: more internet coverage, faster speeds
- Clark County, SD: less internet coverage, faster speeds
- Codington County, SD: more internet coverage, faster speeds
- Lac qui Parle County, MN: more internet coverage, faster speeds
- Chippewa County, MN: more internet coverage, faster speeds
- McLeod County, MN: more internet coverage, faster speeds
- Carver County, MN: more internet coverage, faster speeds
- Hennepin County, MN: more internet coverage, faster speeds
Counties with Similar Populations
- Pierce County, NE: more internet coverage, faster speeds
- Madison County, MT: more internet coverage, faster speeds
- Madison Parish, LA: less internet coverage, faster speeds
- Mahnomen County, MN: less internet coverage, faster speeds
- Major County, OK: more internet coverage, faster speeds
- Perkins County, NE: more internet coverage, faster speeds
- Perkins County, SD: less internet coverage, faster speeds
- Perry County, AR: more internet coverage, faster speeds
- Petersburg Census Area, AK: less internet coverage, faster speeds
- Petroleum County, MT: less internet coverage, faster speeds


