Click if you were looking for Sully County cell phone providers and coverage instead.
In Sully County there are 5 residential Fixed Wireless providers covering 75.10% of the county. The average home can get speeds up to 101 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 Fixed Wireless 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
Fixed Wireless Internet Service Providers 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 fixed wireless internet available?
Fixed Wireless Internet Availability Key
Fixed Wireless is available in 75.10% of Sully County. Areas in green have fixed wireless internet service, where areas in yellow or red may not. The most widely available provider is T-Mobile Home Internet. Call one of the companies with service in Sully County above to see who has service at your home.
How fast is fixed wireless internet in Sully County?
The map below shows maximum fixed wireless internet speeds by area in Sully County.
Fixed Wireless Internet Speed Key
The average Sully County home can get up to 101 Mbps on their fixed wireless internet plan. The fastest fixed wireless download speed in the county is 300 Mbps, which 6.09% of residents can get. Some homes and apartments do not have access to these speeds. On the slower end, for example, 12.24% of homes can only purchase plans up to 25 Mbps. See the internet provider details below for info about their speed and coverage in Sully County.
Fixed Wireless internet speeds tend to be faster in the southwest parts of Sully County, and slower in the northwest areas of the county.
Is fixed wireless 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, fiber competes most often with fixed wireless 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.
Fixed Wireless 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.
wispwest.net Fixed Wireless in Sully County, SD
wispwest.net fixed wireless coverage
About 64.25%, or 929 people, have wispwest.net fixed wireless internet available to them in the county. The company covers the central, southwest, north, northeast, west, east, south, and northwest Sully County area. wispwest.net is a large internet service provider internet service providers in the US, with internet service available in a majority of Sully County.
wispwest.net fixed wireless download speeds
wispwest.net is below average when comparing download speeds to all other internet providers in Sully County. Versus other fixed wireless providers in the area, wispwest.net fixed wireless is below average. There are 3 different maximum speeds throughout Sully County. The fastest plan anyone in Sully County can order from wispwest.net goes up to 100 Mbps, the slowest package only goes up to 25 Mbps, and the county-wide average maximum speed for Sully County customers is up to 53 Mbps.
Show all download speeds
- 6.9% up to 100.0 Mbps
- 90.2% up to 50.0 Mbps
- 2.9% up to 25.0 Mbps
wispwest.net fixed wireless upload speeds
In Sully County download speeds tend to be faster than than upload speeds for wispwest.net fixed wireless. Compared to other ISPs, wispwest.net is below average where upload speeds are concerned, and average compared to other Sully County fixed wireless providers. wispwest.net offers 3 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 Sully County is up to 20 Mbps. Some customers have slower plan choices, which only go up to 8.0 Mbps. On average, wispwest.net customers can get speeds up to 11 Mbps.
Show all upload speeds
- 6.9% up to 20.0 Mbps
- 90.2% up to 10.0 Mbps
- 2.9% up to 8.0 Mbps
T-Mobile Home Internet Fixed Wireless in Sully County, SD
T-Mobile Home Internet fixed wireless coverage
About 56.43%, or 816 people, have T-Mobile Home Internet fixed wireless internet available to them in the county. The company covers the central, west, north, northeast, east, northwest, and south Sully 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 a majority of Sully 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 Sully County. Versus other fixed wireless providers in the area, T-Mobile Home Internet fixed wireless is average. There are 2 different maximum speeds throughout Sully County. The fastest plan anyone in Sully 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 Sully County customers is up to 94 Mbps.
Show all download speeds
- 92.2% up to 100.0 Mbps
- 7.8% up to 25.0 Mbps
T-Mobile Home Internet fixed wireless upload speeds
In Sully 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 Sully 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 Sully 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 19 Mbps.
Show all upload speeds
- 92.2% up to 20.0 Mbps
- 7.8% up to 3.0 Mbps
EarthLink Fixed Wireless in Sully County, SD
EarthLink fixed wireless coverage
About 8.64%, or 125 people, have EarthLink fixed wireless internet available to them in the county. The company covers the northwest and north Sully 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 Sully County.
EarthLink fixed wireless download speeds
EarthLink is one of the slowest when comparing download speeds to all other internet providers in Sully County. Versus other fixed wireless providers in the area, EarthLink fixed wireless is one of the slowest. There are no different maximum speeds throughout Sully County. The fastest plan anyone in Sully County can order from EarthLink goes up to 25 Mbps, and all Sully County customers can get this speed.
Show all download speeds
- 100.0% up to 25.0 Mbps
EarthLink fixed wireless upload speeds
In Sully 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 Sully County fixed wireless providers. EarthLink offers no different upload speeds across the county. The fastest upload speed available to anyone from this ISP in Sully 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 Sully County, SD
AT&T fixed wireless coverage
About 8.64%, or 125 people, have AT&T fixed wireless internet available to them in the county. The company covers the northwest and north Sully 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 Sully County.
AT&T fixed wireless download speeds
AT&T is one of the slowest when comparing download speeds to all other internet providers in Sully 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 Sully County. The fastest plan anyone in Sully County can order from AT&T goes up to 25 Mbps, and all Sully County customers can get this speed.
Show all download speeds
- 100.0% up to 25.0 Mbps
AT&T fixed wireless upload speeds
In Sully 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 Sully 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 Sully County is up to 3.0 Mbps, which is available to everyone covered.
Show all upload speeds
- 100.0% up to 3.0 Mbps
Verizon Fixed Wireless in Sully County, SD
Verizon fixed wireless coverage
About 6.09%, or 88 people, have Verizon fixed wireless internet available to them in the county. The company covers the southwest Sully 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 Sully County.
Verizon fixed wireless download speeds
Verizon is above average when comparing download speeds to all other internet providers in Sully County. Versus other fixed wireless providers in the area, Verizon fixed wireless is the fastest. There are no different maximum speeds throughout Sully County. The fastest plan anyone in Sully County can order from Verizon goes up to 300 Mbps, and all Sully County customers can get this speed.
Show all download speeds
- 100.0% up to 300.0 Mbps
Verizon fixed wireless upload speeds
In Sully 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 Sully County fixed wireless providers. Verizon offers no different upload speeds across the county. The fastest upload speed available to anyone from this ISP in Sully County is up to 20 Mbps, which is available to everyone covered.
Show all upload speeds
- 100.0% up to 20.0 Mbps
Sully County Fixed Wireless 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 fixed wireless internet in Sully County compare to the rest of South Dakota?
Fixed Wireless internet speeds in Sully County are much faster versus the average speeds in South Dakota: 0.00 Mbps in South Dakota versus 101 Mbps in the county. The state has similar fixed wireless availability compared to the county. Average fixed wireless coverage in South Dakota is 0.00% versus 75.10% in Sully County.
What zip codes have fixed wireless internet?
Fixed Wireless 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 fixed wireless 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 fixed wireless coverage, faster speeds
- Hamlin County, SD: more fixed wireless coverage, faster speeds
- Deuel County, SD: more fixed wireless coverage, faster speeds
- Butte County, SD: more fixed wireless coverage, slower speeds
- Yellow Medicine County, MN: more fixed wireless coverage, slower speeds
- Renville County, MN: more fixed wireless coverage, faster speeds
- McLeod County, MN: more fixed wireless coverage, faster speeds
- Carver County, MN: more fixed wireless coverage, faster speeds
- Scott County, MN: more fixed wireless coverage, faster speeds
- Sheridan County, WY: more fixed wireless coverage, faster speeds
Counties with Similar Populations
- Butler County, NE: more fixed wireless coverage, faster speeds
- Washita County, OK: more fixed wireless coverage, faster speeds
- Washington County, NC: more fixed wireless coverage, slower speeds
- Washington County, KS: more fixed wireless coverage, faster speeds
- Washington County, ID: more fixed wireless coverage, faster speeds
- Washington County, CO: more fixed wireless coverage, faster speeds
- Washakie County, WY: more fixed wireless coverage, faster speeds
- Warren County, IN: more fixed wireless coverage, slower speeds
- Warren County, GA: less fixed wireless coverage, slower speeds
- Walworth County, SD: more fixed wireless coverage, slower speeds