In Sullivan there are 3 residential DSL providers covering 85.04% of the city. The average home can get speeds up to 29 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 DSL internet providers in Sullivan, IN.
To see availability maps for all providers including fiber, cable, DSL, and more in Sullivan, IN please click below.
Sullivan, IN Availability Maps
DSL 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 DSL internet available?
DSL Internet Availability Key
DSL is available in 85.04% of Sullivan. Areas in green have DSL internet service, where areas in yellow or red may not. The most widely available provider is Frontier. Call one of the companies with service in Sullivan above to see who has service at your home.
How fast is DSL internet in Sullivan?
The map below shows maximum DSL internet speeds by area in Sullivan.
DSL Internet Speed Key
The average Sullivan home can get up to 29 Mbps on their DSL internet plan. The fastest DSL download speed in the city is 115 Mbps, which 4.11% of residents can get. Some homes and apartments do not have access to these speeds. On the slower end, for example, 57.71% of homes can only purchase plans up to 10 Mbps. See the internet provider details below for info about their speed and coverage in Sullivan.
DSL internet speeds tend to be faster in the southwest parts of Sullivan, and slower in the north areas of the city.
Is DSL the fastest internet I can get in Sullivan?
The fastest internet for you may vary based on where in Sullivan you live. In general, cable competes most often with DSL in the city.
- Fiber is the fastest internet type for 1.55% of Sullivan homes.
- Cable is fastest for 81.46% of the city.
- DSL is fastest for 1.12%.
- Fixed wireless is fastest for 15.24%.
- Satellite internet may be the only option for less than 1% of Sullivan homes.
DSL 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.
Frontier Communications DSL in Sullivan, IN
Frontier DSL coverage
About 82.29%, or 6,011 people, have Frontier DSL internet available to them in the city. The company covers the entire Sullivan area. Frontier is one of the largest internet service providers internet service providers in the US, with internet service available in much of Sullivan.
Frontier Communications DSL download speeds
Frontier is below average when comparing download speeds to all other internet providers in Sullivan. Versus other DSL providers in the area, Frontier DSL is the fastest. There are 5 different maximum speeds throughout Sullivan. The fastest plan anyone in Sullivan can order from Frontier goes up to 115 Mbps, the slowest package only goes up to 10 Mbps, and the city-wide average maximum speed for Sullivan customers is up to 30 Mbps.
Show all download speeds
- 5.0% up to 115.0 Mbps
- 5.7% up to 90.0 Mbps
- 8.4% up to 70.0 Mbps
- 14.2% up to 45.0 Mbps
- 66.8% up to 10.0 Mbps
Frontier Communications DSL upload speeds
In Sullivan download speeds tend to be faster than than upload speeds for Frontier DSL. Compared to other ISPs, Frontier is below average where upload speeds are concerned, and the fastest compared to other Sullivan DSL providers. Frontier offers 4 different upload speeds across the city, so your internet plan's upload speed may vary by neighborhood . The fastest upload speed available to anyone from this ISP in Sullivan is up to 7.0 Mbps. Some customers have slower plan choices, which only go up to 1.0 Mbps. On average, Frontier customers can get speeds up to 2.0 Mbps.
Show all upload speeds
- 5.0% up to 7.0 Mbps
- 5.7% up to 5.0 Mbps
- 22.5% up to 3.0 Mbps
- 66.8% up to 1.0 Mbps
EarthLink DSL in Sullivan, IN
EarthLink DSL coverage
About 2.75%, or 201 people, have EarthLink DSL internet available to them in the city. The company covers the southeast, east, and northeast Sullivan 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 Sullivan.
EarthLink DSL download speeds
EarthLink is one of the slowest when comparing download speeds to all other internet providers in Sullivan. Versus other DSL providers in the area, EarthLink DSL is one of the slowest. There are no different maximum speeds throughout Sullivan. The fastest plan anyone in Sullivan can order from EarthLink goes up to 10 Mbps, and all Sullivan customers can get this speed.
Show all download speeds
- 100.0% up to 10.0 Mbps
EarthLink DSL upload speeds
In Sullivan download speeds tend to be faster than than upload speeds for EarthLink DSL. Compared to other ISPs, EarthLink is one of the slowest where upload speeds are concerned, and one of the slowest compared to other Sullivan DSL providers. EarthLink offers no different upload speeds across the city. The fastest upload speed available to anyone from this ISP in Sullivan is up to 1.0 Mbps, which is available to everyone covered.
Show all upload speeds
- 100.0% up to 1.0 Mbps
AT&T DSL in Sullivan, IN
AT&T DSL coverage
About 2.75%, or 201 people, have AT&T DSL internet available to them in the city. The company covers the southeast, east, and northeast Sullivan 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 Sullivan.
AT&T DSL download speeds
AT&T is one of the slowest when comparing download speeds to all other internet providers in Sullivan. Versus other DSL providers in the area, AT&T DSL is one of the slowest. There are no different maximum speeds throughout Sullivan. The fastest plan anyone in Sullivan can order from AT&T goes up to 10 Mbps, and all Sullivan customers can get this speed.
Show all download speeds
- 100.0% up to 10.0 Mbps
AT&T DSL upload speeds
In Sullivan download speeds tend to be faster than than upload speeds for AT&T DSL. Compared to other ISPs, AT&T is one of the slowest where upload speeds are concerned, and one of the slowest compared to other Sullivan DSL providers. AT&T offers no different upload speeds across the city. The fastest upload speed available to anyone from this ISP in Sullivan is up to 1.0 Mbps, which is available to everyone covered.
Show all upload speeds
- 100.0% up to 1.0 Mbps
Sullivan DSL 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 DSL internet in Sullivan compare to the rest of Indiana?
DSL internet speeds in Sullivan are much faster versus the average speeds in Indiana: 0.00 Mbps in Indiana versus 29 Mbps in the city. The state has similar DSL availability compared to the city. Average DSL coverage in Indiana is 0.00% versus 85.04% in Sullivan.
What zip codes have DSL internet?
DSL 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 DSL 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
- Jackson Hill, IN: more DSL coverage, slower speeds
- Graysville, IN: less DSL coverage, slower speeds
- Paxton, IN: less DSL coverage, slower speeds
- Shelburn, IN: more DSL coverage, faster speeds
- Dugger, IN: less DSL coverage, slower speeds
- Scott City, IN: more DSL coverage, faster speeds
- Hymera, IN: more DSL coverage, slower speeds
- Wilfred, IN: less DSL coverage, slower speeds
- Merom, IN: more DSL coverage, faster speeds
- Gambill, IN: less DSL coverage, slower speeds
Cities with Similar Populations
- Nibley, UT: more DSL coverage, faster speeds
- Pembroke Park, FL: less DSL coverage, faster speeds
- Parker, AZ: less DSL coverage, slower speeds
- Northwood, OH: less DSL coverage, faster speeds
- North Sioux City, SD: less DSL coverage, faster speeds
- Normandy Park, WA: less DSL coverage, faster speeds
- Nitro, WV: less DSL coverage, slower speeds
- Nicholls, GA: less DSL coverage, faster speeds
- Newport, WA: less DSL coverage, slower speeds
- Newland, NC: less DSL coverage, slower speeds