In St. Charles there are 7 residential internet providers covering 92.02% of the city. The average home can get speeds up to 955 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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7 Internet Service Providers in St. Charles
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 St. Charles are not shown.
St. Charles 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 St. Charles
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 92.02% of St. Charles. 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 St. Charles with more confidence that they might be available.
How fast are internet speeds in St. Charles?
The map below shows maximum internet speeds by area in St. Charles.
Internet Speed Key
The average St. Charles home can get up to 955 Mbps on their internet plan. For most people, the fastest download speed in the city is 1,000 Mbps, which 87.12% of residents can get. Some homes and apartments do not have access to these speeds. On the slower end, for example, 2.45% of homes can only purchase plans up to 10 Mbps. See the internet provider details below for info about their speed and coverage in St. Charles.
Internet speeds tend to be faster in the east parts of St. Charles, and slower in the south areas of the city.
What type of internet should I choose in St. Charles?
The fastest internet for you may vary based on where in St. Charles you live. If speed is your main concern, fiber will be the fastest internet in the city.
- Fiber is the fastest internet type for 87.12% of St. Charles homes.
- Cable is fastest for less than 1% of the city.
- DSL is fastest for 2.45%.
- Fixed wireless is fastest for 2.45%.
- Satellite internet may be the only option for 7.98% of St. Charles homes.
Internet Market Health in St. Charles
Internet Competition Key
The map shows how competitive the St. Charles 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 St. Charles based on what connections the average home has availabile:
- Average number of internet service providers to a home: 2.4 (very unhealthy)
- Average types of service (fiber, cable, DSL, etc): 2.0 (unhealthy)
- Average providers with broadband (25 Mbps+) speeds: 2.1 (very unhealthy)
Overall, competition is very unhealthy.
St. Charles 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, St. Charles 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 city.
When it comes to broadband download speeds faster than 25 Mbps, the situation is worse. St. Charles internet customers who want faster speeds have between 0 and 5 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, St. Charles badly needs improvement.
TV & Internet Providers in Depth
Below you'll find which TV and internet providers offer service in St. Charles, along with details on where in St. Charles and at what speeds.
Golden West Telecommunications Fiber in St. Charles, SD
Golden West Telecommunications fiber coverage
About 87.12%, or 142 people, have Golden West Telecommunications fiber internet available to them in the city. The company covers the entire St. Charles area. Golden West Telecommunications is a large internet service provider internet service providers in the US, with internet service available in most of St. Charles.
Golden West Telecommunications fiber download speeds
Golden West Telecommunications is the fastest when comparing download speeds to all other internet providers in St. Charles. Versus other fiber providers in the area, Golden West Telecommunications fiber is the fastest. There are no different maximum speeds throughout St. Charles. The fastest plan anyone in St. Charles can order from Golden West Telecommunications goes up to 1,000 Mbps, and all St. Charles customers can get this speed.
Show all download speeds
- 100.0% up to 1,000.0 Mbps
Golden West Telecommunications fiber upload speeds
In St. Charles 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 St. Charles fiber providers. Golden West Telecommunications offers no different upload speeds across the city. The fastest upload speed available to anyone from this ISP in St. Charles is up to 1,000 Mbps, which is available to everyone covered.
Show all upload speeds
- 100.0% up to 1,000.0 Mbps
Golden West Telecommunications DSL in St. Charles, SD
Golden West Telecommunications DSL coverage
About 33.13%, or 54 people, have Golden West Telecommunications DSL internet available to them in the city. The company covers the east, north, northeast, southwest, and south St. Charles area. Golden West Telecommunications is a large internet service provider internet service providers in the US, with internet service available in a small portion of St. Charles.
Golden West Telecommunications DSL download speeds
Golden West Telecommunications is the slowest when comparing download speeds to all other internet providers in St. Charles. Versus other DSL providers in the area, Golden West Telecommunications DSL is the fastest. There are no different maximum speeds throughout St. Charles. The fastest plan anyone in St. Charles can order from Golden West Telecommunications goes up to 10 Mbps, and all St. Charles customers can get this speed.
Show all download speeds
- 100.0% up to 10.0 Mbps
Golden West Telecommunications DSL upload speeds
In St. Charles download speeds tend to be faster than than upload speeds for Golden West Telecommunications DSL. Compared to other ISPs, Golden West Telecommunications is the slowest where upload speeds are concerned, and the fastest compared to other St. Charles DSL providers. Golden West Telecommunications offers no different upload speeds across the city. The fastest upload speed available to anyone from this ISP in St. Charles is up to 1.0 Mbps, which is available to everyone covered.
Show all upload speeds
- 100.0% up to 1.0 Mbps
Verizon Fixed Wireless in St. Charles, SD
Verizon fixed wireless coverage
About 47.85%, or 78 people, have Verizon fixed wireless internet available to them in the city. The company covers the east, northeast, north, northwest, southwest, southeast, and south St. Charles area. Verizon is one of the largest internet service providers internet service providers in the US, with internet service available in some of St. Charles.
Verizon fixed wireless download speeds
Verizon is above average when comparing download speeds to all other internet providers in St. Charles. Versus other fixed wireless providers in the area, Verizon fixed wireless is the fastest. There are no different maximum speeds throughout St. Charles. The fastest plan anyone in St. Charles can order from Verizon goes up to 300 Mbps, and all St. Charles customers can get this speed.
Show all download speeds
- 100.0% up to 300.0 Mbps
Verizon fixed wireless upload speeds
In St. Charles 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 St. Charles fixed wireless providers. Verizon offers no different upload speeds across the city. The fastest upload speed available to anyone from this ISP in St. Charles is up to 20 Mbps, which is available to everyone covered.
Show all upload speeds
- 100.0% up to 20.0 Mbps
T-Mobile Home Internet Fixed Wireless in St. Charles, SD
T-Mobile Home Internet fixed wireless coverage
About 32.52%, or 53 people, have T-Mobile Home Internet fixed wireless internet available to them in the city. The company covers the east, southeast, and northeast St. Charles 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 small portion of St. Charles.
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 St. Charles. Versus other fixed wireless providers in the area, T-Mobile Home Internet fixed wireless is one of the slowest. There are no different maximum speeds throughout St. Charles. The fastest plan anyone in St. Charles can order from T-Mobile Home Internet goes up to 25 Mbps, and all St. Charles customers can get this speed.
Show all download speeds
- 100.0% up to 25.0 Mbps
T-Mobile Home Internet fixed wireless upload speeds
In St. Charles 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 one of the slowest compared to other St. Charles fixed wireless providers. T-Mobile Home Internet offers no different upload speeds across the city. The fastest upload speed available to anyone from this ISP in St. Charles is up to 3.0 Mbps, which is available to everyone covered.
Show all upload speeds
- 100.0% up to 3.0 Mbps
EarthLink Fixed Wireless in St. Charles, SD
EarthLink fixed wireless coverage
About 11.66%, or 19 people, have EarthLink fixed wireless internet available to them in the city. The company covers the east St. Charles 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 St. Charles.
EarthLink fixed wireless download speeds
EarthLink is below average when comparing download speeds to all other internet providers in St. Charles. Versus other fixed wireless providers in the area, EarthLink fixed wireless is one of the slowest. There are no different maximum speeds throughout St. Charles. The fastest plan anyone in St. Charles can order from EarthLink goes up to 25 Mbps, and all St. Charles customers can get this speed.
Show all download speeds
- 100.0% up to 25.0 Mbps
EarthLink fixed wireless upload speeds
In St. Charles 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 St. Charles fixed wireless providers. EarthLink offers no different upload speeds across the city. The fastest upload speed available to anyone from this ISP in St. Charles 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 St. Charles, SD
AT&T fixed wireless coverage
About 11.66%, or 19 people, have AT&T fixed wireless internet available to them in the city. The company covers the east St. Charles 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 St. Charles.
AT&T fixed wireless download speeds
AT&T is below average when comparing download speeds to all other internet providers in St. Charles. Versus other fixed wireless providers in the area, AT&T fixed wireless is one of the slowest. There are no different maximum speeds throughout St. Charles. The fastest plan anyone in St. Charles can order from AT&T goes up to 25 Mbps, and all St. Charles customers can get this speed.
Show all download speeds
- 100.0% up to 25.0 Mbps
AT&T fixed wireless upload speeds
In St. Charles 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 St. Charles fixed wireless providers. AT&T offers no different upload speeds across the city. The fastest upload speed available to anyone from this ISP in St. Charles is up to 3.0 Mbps, which is available to everyone covered.
Show all upload speeds
- 100.0% up to 3.0 Mbps
St. Charles Internet by Area
This information is most helpful to those looking for homes or considering moving to St. Charles or any of the areas nearby.
How does internet in St. Charles compare to the rest of South Dakota?
Internet speeds in St. Charles are slower versus the average speeds in South Dakota: 1,953 Mbps in South Dakota versus 955 Mbps in the city. The state has less internet availability compared to the city. Average internet coverage in South Dakota is 98.12% versus 92.02% in St. Charles.
What zip codes have widespread internet?
Internet coverage varies by zip code and neighborhood. Some examples in or around St. Charles 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 cities?
Below are cities nearby and with similar populations. This comparison can be useful if living somewhere with fast internet is important to you.
Nearby Cities
- Bonesteel, SD: more internet coverage, faster speeds
- Herrick, SD: more internet coverage, faster speeds
- Naper, NE: more internet coverage, slower speeds
- Fairfax, SD: more internet coverage, faster speeds
- Burke, SD: more internet coverage, faster speeds
- Butte, NE: more internet coverage, slower speeds
- Gregory, SD: more internet coverage, faster speeds
- Mills, NE: more internet coverage, slower speeds
- Geddes, SD: more internet coverage, faster speeds
- Gross, NE: more internet coverage, slower speeds
Cities with Similar Populations
- Reagan Wells, TX: more internet coverage, slower speeds
- McKinley, MN: more internet coverage, slower speeds
- McKinley Park, AK: more internet coverage, slower speeds
- McKinnon, WY: less internet coverage, faster speeds
- Mcleod, ND: more internet coverage, faster speeds
- McPherron, PA: more internet coverage, slower speeds
- Meadow Creek, WV: less internet coverage, slower speeds
- Mechanicsville, OH: more internet coverage, faster speeds
- Medina, WV: more internet coverage, faster speeds
- Meeting Street, SC: more internet coverage, faster speeds