In Carthage there are 2 residential Fiber providers covering 95.28% of the city. The average home can get speeds up to 1,000 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 Carthage, SD.
To see availability maps for all providers including fiber, cable, DSL, and more in Carthage, SD please click below.
Carthage, SD Availability Maps
Fiber Internet Service Providers in Carthage
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 Carthage are not shown.
Carthage 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 Carthage is fiber internet available?

Fiber Internet Availability Key
Fiber is available in 95.28% of Carthage. Areas in green have fiber internet service, where areas in yellow or red may not. The most widely available provider is Alliance Communications. Call one of the companies with service in Carthage above to see who has service at your home.
How fast is fiber internet in Carthage?
The map below shows maximum fiber internet speeds by area in Carthage.

Fiber Internet Speed Key
The average Carthage home can get up to 1,000 Mbps on their fiber internet plan. The fastest fiber download speed in the city is 1,000 Mbps, which 95.28% of residents can get.
Is fiber the fastest internet I can get in Carthage?
The fastest internet for you may vary based on where in Carthage you live. In general, satellite competes most often with fiber in the city.
- Fiber is the fastest internet type for 95.28% of Carthage homes.
- Cable is fastest for less than 1% of the city.
- DSL is fastest for less than 1%.
- Fixed wireless is fastest for less than 1%.
- Satellite internet may be the only option for 4.72% of Carthage homes.
Fiber Providers in Depth
Below you'll find which TV and internet providers offer service in Carthage, along with details on where in Carthage and at what speeds.
Alliance Communications Fiber in Carthage, SD

Alliance Communications fiber coverage
About 94.34%, or 200 people, have Alliance Communications fiber internet available to them in the city. The company covers the entire Carthage area. Alliance Communications is a large internet service provider internet service providers in the US, with internet service available in most of Carthage.
Alliance Communications fiber download speeds
Alliance Communications is one of the fastest when comparing download speeds to all other internet providers in Carthage. Versus other fiber providers in the area, Alliance Communications fiber is one of the fastest. There are no different maximum speeds throughout Carthage. The fastest plan anyone in Carthage can order from Alliance Communications goes up to 1,000 Mbps, and all Carthage customers can get this speed.
Show all download speeds
- 100.0% up to 1,000.0 Mbps
Alliance Communications fiber upload speeds
In Carthage download speeds tend to be equal to than upload speeds for Alliance Communications fiber. Compared to other ISPs, Alliance Communications is one of the fastest where upload speeds are concerned, and one of the fastest compared to other Carthage fiber providers. Alliance Communications offers no different upload speeds across the city. The fastest upload speed available to anyone from this ISP in Carthage is up to 1,000 Mbps, which is available to everyone covered.
Show all upload speeds
- 100.0% up to 1,000.0 Mbps
Santel Communications Fiber in Carthage, SD

Santel Communications fiber coverage
About 2.36%, or 5 people, have Santel Communications fiber internet available to them in the city. The company covers the southwest Carthage area. Santel Communications is a small internet service provider internet service providers in the US, with internet service available in a very small piece of Carthage.
Santel Communications fiber download speeds
Santel Communications is one of the fastest when comparing download speeds to all other internet providers in Carthage. Versus other fiber providers in the area, Santel Communications fiber is one of the fastest. There are no different maximum speeds throughout Carthage. The fastest plan anyone in Carthage can order from Santel Communications goes up to 1,000 Mbps, and all Carthage customers can get this speed.
Show all download speeds
- 100.0% up to 1,000.0 Mbps
Santel Communications fiber upload speeds
In Carthage download speeds tend to be equal to than upload speeds for Santel Communications fiber. Compared to other ISPs, Santel Communications is one of the fastest where upload speeds are concerned, and one of the fastest compared to other Carthage fiber providers. Santel Communications offers no different upload speeds across the city. The fastest upload speed available to anyone from this ISP in Carthage is up to 1,000 Mbps, which is available to everyone covered.
Show all upload speeds
- 100.0% up to 1,000.0 Mbps
Carthage Fiber by Area
This information is most helpful to those looking for homes or considering moving to Carthage or any of the areas nearby.
How does fiber internet in Carthage compare to the rest of South Dakota?
Fiber internet speeds in Carthage are much faster versus the average speeds in South Dakota: 0.00 Mbps in South Dakota versus 1,000 Mbps in the city. The state has similar fiber availability compared to the city. Average fiber coverage in South Dakota is 0.00% versus 95.28% in Carthage.
What zip codes have fiber internet?
Fiber internet coverage varies by zip code and neighborhood. Some examples in or around Carthage 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 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
- Cloverleaf Colony, SD: more fiber coverage, similar speeds
- Roswell, SD: more fiber coverage, similar speeds
- Fedora, SD: more fiber coverage, similar speeds
- Vilas, SD: more fiber coverage, similar speeds
- Manchester, SD: less fiber coverage, similar speeds
- Iroquois, SD: more fiber coverage, similar speeds
- Howard, SD: more fiber coverage, similar speeds
- Pearl Creek Colony, SD: more fiber coverage, similar speeds
- Artesian, SD: more fiber coverage, similar speeds
- DeSmet, SD: more fiber coverage, similar speeds
Cities with Similar Populations
- Paradise, IL: less fiber coverage, similar speeds
- Augusta, IN: less fiber coverage, similar speeds
- Auburn, WV: more fiber coverage, similar speeds
- Alton, KS: more fiber coverage, similar speeds
- Amherst, CO: less fiber coverage, similar speeds
- Andover, SD: more fiber coverage, similar speeds
- Maple Springs, NY: more fiber coverage, faster speeds
- Marianna, MS: more fiber coverage, similar speeds
- Manheim Center, NY: less fiber coverage, slower speeds
- Manningham, AL: more fiber coverage, faster speeds


