In Sullivan County there are 2 residential Fiber providers covering 53.22% of the county. The average home can get speeds up to 1,001 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 County, IN.
To see availability maps for all providers including fiber, cable, DSL, and more in Sullivan County, IN please click below.
Sullivan County, IN Availability Maps
Fiber Internet Service Providers in Sullivan 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 Sullivan County are not shown.
Sullivan 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 Sullivan County is fiber internet available?

Fiber Internet Availability Key
Fiber is available in 53.22% of Sullivan County. Areas in green have fiber internet service, where areas in yellow or red may not. The most widely available provider is Joink. Call one of the companies with service in Sullivan County above to see who has service at your home.
How fast is fiber internet in Sullivan County?
The map below shows maximum fiber internet speeds by area in Sullivan County.

Fiber Internet Speed Key
The average Sullivan County home can get up to 1,001 Mbps on their fiber internet plan. The fastest fiber download speed in the county is 7,000 Mbps, which less than 1% of residents can get. Some homes and apartments do not have access to these speeds. On the slower end, for example, 53.21% of homes can only purchase plans up to 1,000 Mbps. See the internet provider details below for info about their speed and coverage in Sullivan County.
Fiber internet speeds tend to be faster in the central parts of Sullivan County, and slower in the west areas of the county.
Is fiber the fastest internet I can get in Sullivan County?
The fastest internet for you may vary based on where in Sullivan County you live. In general, cable competes most often with fiber in the county.
- Fiber is the fastest internet type for 27.02% of Sullivan County homes.
- Cable is fastest for 35.72% of the county.
- DSL is fastest for 4.28%.
- Fixed wireless is fastest for 31.90%.
- Satellite internet may be the only option for 1.09% of Sullivan County homes.
Fiber Providers in Depth
Below you'll find which TV and internet providers offer service in Sullivan County, along with details on where in Sullivan County and at what speeds.
Joink Fiber in Sullivan County, IN

Joink fiber coverage
About 50.33%, or 10,478 people, have Joink fiber internet available to them in the county. The company covers the entire Sullivan County area. Joink is a large internet service provider internet service providers in the US, with internet service available in a majority of Sullivan County.
Joink fiber download speeds
Joink is above average when comparing download speeds to all other internet providers in Sullivan County. Versus other fiber providers in the area, Joink fiber is one of the slowest. There are no different maximum speeds throughout Sullivan County. The fastest plan anyone in Sullivan County can order from Joink goes up to 1,000 Mbps, and all Sullivan County customers can get this speed.
Show all download speeds
- 100.0% up to 1,000.0 Mbps
Joink fiber upload speeds
In Sullivan County download speeds tend to be equal to than upload speeds for Joink fiber. Compared to other ISPs, Joink is above average where upload speeds are concerned, and below average compared to other Sullivan County fiber providers. Joink offers no different upload speeds across the county. The fastest upload speed available to anyone from this ISP in Sullivan County is up to 1,000 Mbps, which is available to everyone covered.
Show all upload speeds
- 100.0% up to 1,000.0 Mbps
Spectrum Fiber in Sullivan County, IN

Spectrum fiber coverage
About 3.86%, or 804 people, have Spectrum fiber internet available to them in the county. The company covers the northeast, northwest, and east Sullivan County area. Spectrum is one of the largest internet service providers internet service providers in the US, with internet service available in a very small piece of Sullivan County.
Spectrum fiber download speeds
Spectrum is above average when comparing download speeds to all other internet providers in Sullivan County. Versus other fiber providers in the area, Spectrum fiber is one of the slowest. There are no different maximum speeds throughout Sullivan County. The fastest plan anyone in Sullivan County can order from Spectrum goes up to 1,000 Mbps, and all Sullivan County customers can get this speed.
Show all download speeds
- 100.0% up to 1,000.0 Mbps
Spectrum fiber upload speeds
In Sullivan County download speeds tend to be faster than than upload speeds for Spectrum fiber. Compared to other ISPs, Spectrum is below average where upload speeds are concerned, and the slowest compared to other Sullivan County fiber providers. Spectrum 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 Sullivan County is up to 500 Mbps. Some customers have slower plan choices, which only go up to 35 Mbps. On average, Spectrum customers can get speeds up to 487 Mbps.
Show all upload speeds
- 97.1% up to 500.0 Mbps
- 2.9% up to 35.0 Mbps
Sullivan County Fiber by Area
This information is most helpful to those looking for homes or considering moving to Sullivan County or any of the areas nearby.
How does fiber internet in Sullivan County compare to the rest of Indiana?
Fiber internet speeds in Sullivan County are much faster versus the average speeds in Indiana: 0.00 Mbps in Indiana versus 1,001 Mbps in the county. The state has similar fiber availability compared to the county. Average fiber coverage in Indiana is 0.00% versus 53.22% in Sullivan County.
What zip codes have fiber internet?
Fiber internet coverage varies by zip code and neighborhood. Some examples in or around Sullivan County 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 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
- Crawford County, IL: more fiber coverage, faster speeds
- Greene County, IN: less fiber coverage, faster speeds
- Jasper County, IL: more fiber coverage, faster speeds
- Monroe County, IN: more fiber coverage, faster speeds
- Cumberland County, IL: less fiber coverage, faster speeds
- Effingham County, IL: more fiber coverage, faster speeds
- Brown County, IN: more fiber coverage, faster speeds
- Bartholomew County, IN: more fiber coverage, faster speeds
- Jennings County, IN: more fiber coverage, faster speeds
- Montgomery County, IL: more fiber coverage, faster speeds
Counties with Similar Populations
- Chattooga County, GA: more fiber coverage, faster speeds
- Caddo County, OK: more fiber coverage, slower speeds
- Caldwell County, KY: less fiber coverage, slower speeds
- Caledonia County, VT: less fiber coverage, faster speeds
- Calhoun County, FL: less fiber coverage, slower speeds
- Candler County, GA: more fiber coverage, faster speeds
- Carroll County, IN: more fiber coverage, faster speeds
- Carroll County, TN: less fiber coverage, faster speeds
- Cass County, MN: more fiber coverage, faster speeds
- Cass County, TX: more fiber coverage, faster speeds


