In Sullivan there are 3 residential Fiber providers covering 82.96% of the city. The average home can get speeds up to 5,934 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 Sullivan, IL.
To see availability maps for all providers including fiber, cable, DSL, and more in Sullivan, IL please click below.
Sullivan, IL Availability Maps
Fiber Internet Service Providers in Sullivan
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 Sullivan are not shown.
Sullivan 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 Sullivan is fiber internet available?
Fiber Internet Availability Key
Fiber is available in 82.96% of Sullivan. Areas in green have fiber internet service, where areas in yellow or red may not. The most widely available provider is Conxxus. Call one of the companies with service in Sullivan above to see who has service at your home.
How fast is fiber internet in Sullivan?
The map below shows maximum fiber internet speeds by area in Sullivan.
Fiber Internet Speed Key
The average Sullivan home can get up to 5,934 Mbps on their fiber internet plan. The fastest fiber download speed in the city is 7,000 Mbps, which 48.95% 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 500 Mbps. See the internet provider details below for info about their speed and coverage in Sullivan.
Fiber internet speeds tend to be faster in the north parts of Sullivan, and slower in the southwest areas of the city.
Is fiber the fastest internet I can get in Sullivan?
The fastest internet for you may vary based on where in Sullivan you live. In general, fixed wireless competes most often with fiber in the city.
- Fiber is the fastest internet type for 82.96% of Sullivan homes.
- Cable is fastest for less than 1% of the city.
- DSL is fastest for 3.62%.
- Fixed wireless is fastest for 12.88%.
- Satellite internet may be the only option for less than 1% of Sullivan homes.
Fiber Providers in Depth
Below you'll find which TV and internet providers offer service in Sullivan, along with details on where in Sullivan and at what speeds.
Conxxus Fiber in Sullivan, IL
Conxxus fiber coverage
About 75.65%, or 4,915 people, have Conxxus fiber internet available to them in the city. The company covers the entire Sullivan area. Conxxus is a large internet service provider internet service providers in the US, with internet service available in much of Sullivan.
Conxxus fiber download speeds
Conxxus is above average when comparing download speeds to all other internet providers in Sullivan. Versus other fiber providers in the area, Conxxus fiber is above average. There are no different maximum speeds throughout Sullivan. The fastest plan anyone in Sullivan can order from Conxxus goes up to 5,000 Mbps, and all Sullivan customers can get this speed.
Show all download speeds
- 100.0% up to 5,000.0 Mbps
Conxxus fiber upload speeds
In Sullivan download speeds tend to be equal to than upload speeds for Conxxus fiber. Compared to other ISPs, Conxxus is above average where upload speeds are concerned, and above average compared to other Sullivan fiber providers. Conxxus offers no different upload speeds across the city. The fastest upload speed available to anyone from this ISP in Sullivan is up to 5,000 Mbps, which is available to everyone covered.
Show all upload speeds
- 100.0% up to 5,000.0 Mbps
Frontier Communications Fiber in Sullivan, IL
Frontier fiber coverage
About 48.95%, or 3,180 people, have Frontier fiber internet available to them in the city. The company covers the north, central, west, southeast, northwest, south, east, and southwest Sullivan area. Frontier is one of the largest internet service providers internet service providers in the US, with internet service available in some of Sullivan.
Frontier Communications fiber download speeds
Frontier is the fastest when comparing download speeds to all other internet providers in Sullivan. Versus other fiber providers in the area, Frontier fiber is the fastest. There are no different maximum speeds throughout Sullivan. The fastest plan anyone in Sullivan can order from Frontier goes up to 7,000 Mbps, and all Sullivan customers can get this speed.
Show all download speeds
- 100.0% up to 7,000.0 Mbps
Frontier Communications fiber upload speeds
In Sullivan 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 Sullivan fiber providers. Frontier offers no different upload speeds across the city. The fastest upload speed available to anyone from this ISP in Sullivan is up to 7,000 Mbps, which is available to everyone covered.
Show all upload speeds
- 100.0% up to 7,000.0 Mbps
Shawnee Communications Fiber in Sullivan, IL
Shawnee Communications fiber coverage
About 7.34%, or 477 people, have Shawnee Communications fiber internet available to them in the city. The company covers the northeast, southwest, west, northwest, and east Sullivan area. Shawnee Communications is a large internet service provider internet service providers in the US, with internet service available in a very small piece of Sullivan.
Shawnee Communications fiber download speeds
Shawnee Communications is below average when comparing download speeds to all other internet providers in Sullivan. Versus other fiber providers in the area, Shawnee Communications fiber is the slowest. There are 2 different maximum speeds throughout Sullivan. The fastest plan anyone in Sullivan can order from Shawnee Communications goes up to 1,000 Mbps, the slowest package only goes up to 500 Mbps, and the city-wide average maximum speed for Sullivan customers is up to 996 Mbps.
Show all download speeds
- 99.2% up to 1,000.0 Mbps
- 0.8% up to 500.0 Mbps
Shawnee Communications fiber upload speeds
In Sullivan download speeds tend to be faster than than upload speeds for Shawnee Communications fiber. Compared to other ISPs, Shawnee Communications is below average where upload speeds are concerned, and the slowest compared to other Sullivan fiber providers. Shawnee Communications offers no different upload speeds across the city. The fastest upload speed available to anyone from this ISP in Sullivan is up to 500 Mbps, which is available to everyone covered.
Show all upload speeds
- 100.0% up to 500.0 Mbps
Sullivan Fiber by Area
This information is most helpful to those looking for homes or considering moving to Sullivan or any of the areas nearby.
How does fiber internet in Sullivan compare to the rest of Illinois?
Fiber internet speeds in Sullivan are much faster versus the average speeds in Illinois: 0.00 Mbps in Illinois versus 5,934 Mbps in the city. The state has similar fiber availability compared to the city. Average fiber coverage in Illinois is 0.00% versus 82.96% in Sullivan.
What zip codes have fiber internet?
Fiber internet coverage varies by zip code and neighborhood. Some examples in or around Sullivan 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
- Chipps, IL: less fiber coverage, slower speeds
- Kirksville, IL: less fiber coverage, slower speeds
- Bruce, IL: less fiber coverage, slower speeds
- Cadwell, IL: less fiber coverage, slower speeds
- Bethany, IL: more fiber coverage, slower speeds
- Todds Point, IL: less fiber coverage, slower speeds
- Lovington, IL: more fiber coverage, slower speeds
- Findlay, IL: less fiber coverage, slower speeds
- Williamsburg, IL: less fiber coverage, slower speeds
- Windsor Shelby County, IL: more fiber coverage, slower speeds
Cities with Similar Populations
- Nolanville, TX: more fiber coverage, slower speeds
- Nyssa, OR: less fiber coverage, slower speeds
- Northford, CT: more fiber coverage, faster speeds
- Northfield, IL: less fiber coverage, slower speeds
- North Syracuse, NY: more fiber coverage, slower speeds
- North Street, MI: less fiber coverage, slower speeds
- North Scituate, MA: less fiber coverage, slower speeds
- North Plains, OR: less fiber coverage, slower speeds
- North Oaks, MN: less fiber coverage, slower speeds
- North Fond du Lac, WI: less fiber coverage, slower speeds