In Carthage there are 3 residential Fiber providers covering 89.70% of the city. The average home can get speeds up to 1,745 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, IL.
To see availability maps for all providers including fiber, cable, DSL, and more in Carthage, IL please click below.
Carthage, IL 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 89.70% of Carthage. Areas in green have fiber internet service, where areas in yellow or red may not. The most widely available provider is McDonough Telephone Cooperative. 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 1,745 Mbps on their fiber internet plan. The fastest fiber download speed in the city is 5,000 Mbps, which 17.02% of residents can get. Some homes and apartments do not have access to these speeds. On the slower end, for example, 1.43% of homes can only purchase plans up to 100 Mbps. See the internet provider details below for info about their speed and coverage in Carthage.
Fiber internet speeds tend to be faster in the south parts of Carthage, and slower in the northeast areas of the city.
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, fixed wireless competes most often with fiber in the city.
- Fiber is the fastest internet type for 88.49% 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 8.62%.
- Satellite internet may be the only option for 1.99% 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.
McDonough Telephone Cooperative Fiber in Carthage, IL

McDonough Telephone Cooperative fiber coverage
About 88.27%, or 2,837 people, have McDonough Telephone Cooperative fiber internet available to them in the city. The company covers the entire Carthage area. McDonough Telephone Cooperative is an average-sized internet service provider internet service providers in the US, with internet service available in most of Carthage.
McDonough Telephone Cooperative fiber download speeds
McDonough Telephone Cooperative is above average when comparing download speeds to all other internet providers in Carthage. Versus other fiber providers in the area, McDonough Telephone Cooperative fiber is below average. There are no different maximum speeds throughout Carthage. The fastest plan anyone in Carthage can order from McDonough Telephone Cooperative 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
McDonough Telephone Cooperative fiber upload speeds
In Carthage download speeds tend to be equal to than upload speeds for McDonough Telephone Cooperative fiber. Compared to other ISPs, McDonough Telephone Cooperative is above average where upload speeds are concerned, and below average compared to other Carthage fiber providers. McDonough Telephone Cooperative 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
Frontier Communications Fiber in Carthage, IL

Frontier fiber coverage
About 17.02%, or 547 people, have Frontier fiber internet available to them in the city. The company covers the south, central, and southwest Carthage area. Frontier is one of the largest internet service providers internet service providers in the US, with internet service available in a small portion of Carthage.
Frontier Communications fiber download speeds
Frontier is the fastest when comparing download speeds to all other internet providers in Carthage. Versus other fiber providers in the area, Frontier fiber is the fastest. There are no different maximum speeds throughout Carthage. The fastest plan anyone in Carthage can order from Frontier goes up to 5,000 Mbps, and all Carthage customers can get this speed.
Show all download speeds
- 100.0% up to 5,000.0 Mbps
Frontier Communications fiber upload speeds
In Carthage download speeds tend to be equal to than upload speeds for Frontier fiber. Compared to other ISPs, Frontier is the fastest where upload speeds are concerned, and the fastest compared to other Carthage fiber providers. Frontier offers no different upload speeds across the city. The fastest upload speed available to anyone from this ISP in Carthage is up to 5,000 Mbps, which is available to everyone covered.
Show all upload speeds
- 100.0% up to 5,000.0 Mbps
La Harpe Telephone Company Fiber in Carthage, IL

La Harpe Telephone Company fiber coverage
About 1.49%, or 48 people, have La Harpe Telephone Company fiber internet available to them in the city. The company covers the northeast Carthage area. La Harpe Telephone Company is one of the smallest internet service providers internet service providers in the US, with internet service available in a very small piece of Carthage.
La Harpe Telephone Company fiber download speeds
La Harpe Telephone Company is below average when comparing download speeds to all other internet providers in Carthage. Versus other fiber providers in the area, La Harpe Telephone Company fiber is the slowest. There are no different maximum speeds throughout Carthage. The fastest plan anyone in Carthage can order from La Harpe Telephone Company goes up to 100 Mbps, and all Carthage customers can get this speed.
Show all download speeds
- 100.0% up to 100.0 Mbps
La Harpe Telephone Company fiber upload speeds
In Carthage download speeds tend to be equal to than upload speeds for La Harpe Telephone Company fiber. Compared to other ISPs, La Harpe Telephone Company is below average where upload speeds are concerned, and the slowest compared to other Carthage fiber providers. La Harpe Telephone Company offers no different upload speeds across the city. The fastest upload speed available to anyone from this ISP in Carthage is up to 100 Mbps, which is available to everyone covered.
Show all upload speeds
- 100.0% up to 100.0 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 Illinois?
Fiber internet speeds in Carthage are much faster versus the average speeds in Illinois: 0.00 Mbps in Illinois versus 1,745 Mbps in the city. The state has similar fiber availability compared to the city. Average fiber coverage in Illinois is 0.00% versus 89.70% 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
- Adrian, IL: less fiber coverage, slower speeds
- McCall, IL: less fiber coverage, slower speeds
- Ferris, IL: less fiber coverage, slower speeds
- Burnside, IL: less fiber coverage, slower speeds
- Webster, IL: less fiber coverage, slower speeds
- Elvaston, IL: less fiber coverage, slower speeds
- Denver, IL: less fiber coverage, slower speeds
- Fountain Green, IL: more fiber coverage, slower speeds
- Colusa, IL: more fiber coverage, slower speeds
- Elderville, IL: less fiber coverage, slower speeds
Cities with Similar Populations
- Stover, MO: more fiber coverage, slower speeds
- Clymer, PA: less fiber coverage, faster speeds
- Shiloh, OH: less fiber coverage, slower speeds
- Westwood, CA: less fiber coverage, faster speeds
- Springfield, NE: less fiber coverage, slower speeds
- Sibley, IA: more fiber coverage, slower speeds
- St. Paul, NE: less fiber coverage, slower speeds
- Teutopolis, IL: less fiber coverage, slower speeds
- Lutcher, LA: less fiber coverage, slower speeds
- Schofield, WI: less fiber coverage, faster speeds


