In Lyman County there are 10 residential internet providers covering 99.09% of the county. The average home can get speeds up to 999 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 Lyman 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 Lyman County are not shown.
Lyman 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 Lyman 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 99.09% of Lyman 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 Golden West Telecommunications. Now you can call companies in Lyman County with more confidence that they might be available.
How fast are internet speeds in Lyman County?
The map below shows maximum internet speeds by area in Lyman County.

Internet Speed Key
The average Lyman County home can get up to 999 Mbps on their internet plan. For most people, the fastest download speed in the county is 1,000 Mbps, which 99.00% of residents can get. Some homes and apartments do not have access to these speeds. On the slower end, for example, less than 1% of homes can only purchase plans up to 25 Mbps. See the internet provider details below for info about their speed and coverage in Lyman County.
Internet speeds tend to be faster in the northeast parts of Lyman County, and slower in the northwest areas of the county.
What type of internet should I choose in Lyman County?
The fastest internet for you may vary based on where in Lyman 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 99.00% of Lyman 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 Lyman County homes.
Internet Market Health in Lyman County

Internet Competition Key
The map shows how competitive the Lyman 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 Lyman County based on what connections the average home has availabile:
- Average number of internet service providers to a home: 2.1 (very unhealthy)
- Average types of service (fiber, cable, DSL, etc): 1.7 (very unhealthy)
- Average providers with broadband (25 Mbps+) speeds: 2.1 (very unhealthy)
Overall, competition is very unhealthy.
Lyman 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, Lyman County homes have between 1 and 3 options. The type(s) of service available are fiber, fixed wireless, and dsl, 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. Lyman 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, Lyman County badly needs improvement.
TV & Internet Providers in Depth
Below you'll find which TV and internet providers offer service in Lyman County, along with details on where in Lyman County and at what speeds.
Golden West Telecommunications Fiber in Lyman County, SD

Golden West Telecommunications fiber coverage
About 57.72%, or 2,146 people, have Golden West Telecommunications fiber internet available to them in the county. The company covers the entire Lyman County area. Golden West Telecommunications is a large internet service provider internet service providers in the US, with internet service available in a majority of Lyman County.
Golden West Telecommunications fiber download speeds
Golden West Telecommunications is one of the fastest when comparing download speeds to all other internet providers in Lyman County. Versus other fiber providers in the area, Golden West Telecommunications fiber is one of the fastest. There are no different maximum speeds throughout Lyman County. The fastest plan anyone in Lyman County can order from Golden West Telecommunications goes up to 1,000 Mbps, and all Lyman 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 Lyman County download speeds tend to be equal to than upload speeds for Golden West Telecommunications fiber. Compared to other ISPs, Golden West Telecommunications is one of the fastest where upload speeds are concerned, and one of the fastest compared to other Lyman 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 Lyman 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
Kennebec Telephone Company Fiber in Lyman County, SD

Kennebec Telephone Company fiber coverage
About 32.71%, or 1,216 people, have Kennebec Telephone Company fiber internet available to them in the county. The company covers the west, central, northeast, southwest, north, south, and northwest Lyman County area. Kennebec Telephone Company is one of the smallest internet service providers internet service providers in the US, with internet service available in a small portion of Lyman County.
Kennebec Telephone Company fiber download speeds
Kennebec Telephone Company is one of the fastest when comparing download speeds to all other internet providers in Lyman County. Versus other fiber providers in the area, Kennebec Telephone Company fiber is one of the fastest. There are no different maximum speeds throughout Lyman County. The fastest plan anyone in Lyman County can order from Kennebec Telephone Company goes up to 1,000 Mbps, and all Lyman County customers can get this speed.
Show all download speeds
- 100.0% up to 1,000.0 Mbps
Kennebec Telephone Company fiber upload speeds
In Lyman County download speeds tend to be equal to than upload speeds for Kennebec Telephone Company fiber. Compared to other ISPs, Kennebec Telephone Company is one of the fastest where upload speeds are concerned, and one of the fastest compared to other Lyman County fiber providers. Kennebec Telephone Company offers no different upload speeds across the county. The fastest upload speed available to anyone from this ISP in Lyman 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
Midstate Communications (South Dakota) Fiber in Lyman County, SD

Midstate Communications fiber coverage
About 13.21%, or 491 people, have Midstate Communications fiber internet available to them in the county. The company covers the southeast, east, and northeast Lyman County area. Midstate Communications is a small internet service provider internet service providers in the US, with internet service available in a very small piece of Lyman 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 Lyman County. Versus other fiber providers in the area, Midstate Communications fiber is one of the fastest. There are no different maximum speeds throughout Lyman County. The fastest plan anyone in Lyman County can order from Midstate Communications goes up to 1,000 Mbps, and all Lyman 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 Lyman 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 Lyman County fiber providers. Midstate Communications offers no different upload speeds across the county. The fastest upload speed available to anyone from this ISP in Lyman 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 Lyman County, SD

Centurylink DSL coverage
About 8.96%, or 333 people, have Centurylink DSL internet available to them in the county. The company covers the southeast and east Lyman County area. Centurylink is one of the largest internet service providers internet service providers in the US, with internet service available in a very small piece of Lyman County.
Centurylink DSL download speeds
Centurylink is below average when comparing download speeds to all other internet providers in Lyman County. Versus other DSL providers in the area, Centurylink DSL is the fastest. There are 2 different maximum speeds throughout Lyman County. The fastest plan anyone in Lyman County can order from Centurylink goes up to 40 Mbps, the slowest package only goes up to 10 Mbps, and the county-wide average maximum speed for Lyman County customers is up to 33 Mbps.
Show all download speeds
- 76.0% up to 40.0 Mbps
- 24.0% up to 10.0 Mbps
Centurylink DSL upload speeds
In Lyman 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 Lyman County DSL providers. Centurylink 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 Lyman County is up to 3.0 Mbps. Some customers have slower plan choices, which only go up to 1.0 Mbps. On average, Centurylink customers can get speeds up to 2.5 Mbps.
Show all upload speeds
- 76.0% up to 3.0 Mbps
- 24.0% up to 1.0 Mbps
T-Mobile Home Internet Fixed Wireless in Lyman County, SD

T-Mobile Home Internet fixed wireless coverage
About 37.55%, or 1,396 people, have T-Mobile Home Internet fixed wireless internet available to them in the county. The company covers the entire Lyman 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 Lyman 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 Lyman 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 Lyman County. The fastest plan anyone in Lyman 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 Lyman County customers is up to 62 Mbps.
Show all download speeds
- 49.4% up to 100.0 Mbps
- 50.6% up to 25.0 Mbps
T-Mobile Home Internet fixed wireless upload speeds
In Lyman 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 above average compared to other Lyman 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 Lyman 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 11 Mbps.
Show all upload speeds
- 49.4% up to 20.0 Mbps
- 50.6% up to 3.0 Mbps
Verizon Fixed Wireless in Lyman County, SD

Verizon fixed wireless coverage
About 36.87%, or 1,371 people, have Verizon fixed wireless internet available to them in the county. The company covers the entire Lyman County area. Verizon is one of the largest internet service providers internet service providers in the US, with internet service available in some of Lyman County.
Verizon fixed wireless download speeds
Verizon is below average when comparing download speeds to all other internet providers in Lyman County. Versus other fixed wireless providers in the area, Verizon fixed wireless is the fastest. There are no different maximum speeds throughout Lyman County. The fastest plan anyone in Lyman County can order from Verizon goes up to 300 Mbps, and all Lyman County customers can get this speed.
Show all download speeds
- 100.0% up to 300.0 Mbps
Verizon fixed wireless upload speeds
In Lyman 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 the fastest compared to other Lyman County fixed wireless providers. Verizon offers no different upload speeds across the county. The fastest upload speed available to anyone from this ISP in Lyman County is up to 20 Mbps, which is available to everyone covered.
Show all upload speeds
- 100.0% up to 20.0 Mbps
EarthLink Fixed Wireless in Lyman County, SD

EarthLink fixed wireless coverage
About 11.59%, or 431 people, have EarthLink fixed wireless internet available to them in the county. The company covers the southeast, east, west, northwest, central, north, northeast, and south Lyman 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 Lyman County.
EarthLink fixed wireless download speeds
EarthLink is one of the slowest when comparing download speeds to all other internet providers in Lyman County. Versus other fixed wireless providers in the area, EarthLink fixed wireless is one of the slowest. There are no different maximum speeds throughout Lyman County. The fastest plan anyone in Lyman County can order from EarthLink goes up to 25 Mbps, and all Lyman County customers can get this speed.
Show all download speeds
- 100.0% up to 25.0 Mbps
EarthLink fixed wireless upload speeds
In Lyman 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 Lyman County fixed wireless providers. EarthLink offers no different upload speeds across the county. The fastest upload speed available to anyone from this ISP in Lyman 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 Lyman County, SD

AT&T fixed wireless coverage
About 11.59%, or 431 people, have AT&T fixed wireless internet available to them in the county. The company covers the southeast, east, west, northwest, central, north, northeast, and south Lyman 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 Lyman County.
AT&T fixed wireless download speeds
AT&T is one of the slowest when comparing download speeds to all other internet providers in Lyman 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 Lyman County. The fastest plan anyone in Lyman County can order from AT&T goes up to 25 Mbps, and all Lyman County customers can get this speed.
Show all download speeds
- 100.0% up to 25.0 Mbps
AT&T fixed wireless upload speeds
In Lyman 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 Lyman 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 Lyman County is up to 3.0 Mbps, which is available to everyone covered.
Show all upload speeds
- 100.0% up to 3.0 Mbps
Lyman County Internet by Area
This information is most helpful to those looking for homes or considering moving to Lyman County or any of the areas nearby.
How does internet in Lyman County compare to the rest of South Dakota?
Internet speeds in Lyman County are slower versus the average speeds in South Dakota: 1,953 Mbps in South Dakota versus 999 Mbps in the county. The state has similar internet availability compared to the county. Average internet coverage in South Dakota is 98.12% versus 99.09% in Lyman County.
What zip codes have widespread internet?
Internet coverage varies by zip code and neighborhood. Some examples in or around Lyman 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
- Buffalo County, SD: less internet coverage, faster speeds
- Jones County, SD: more internet coverage, faster speeds
- Jerauld County, SD: less internet coverage, faster speeds
- Sanborn County, SD: less internet coverage, faster speeds
- Miner County, SD: less internet coverage, faster 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
- Pennington County, SD: more internet coverage, faster speeds
- Murray County, MN: more internet coverage, slower speeds
Counties with Similar Populations
- Cochran County, TX: less internet coverage, faster speeds
- Todd County, KY: more internet coverage, faster speeds
- Tillman County, OK: more internet coverage, slower speeds
- Thurston County, NE: less internet coverage, slower speeds
- Throckmorton County, TX: less internet coverage, slower speeds
- Thomas County, NE: less internet coverage, slower speeds
- Comanche County, KS: less internet coverage, slower speeds
- Collingsworth County, TX: less internet coverage, faster speeds
- Coke County, TX: less internet coverage, faster speeds
- Todd County, SD: less internet coverage, slower speeds


