In Alton there is 1 residential DSL provider covering 96.55% of the city. The average home can get speeds up to 10 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 Alton, IN.
To see availability maps for all providers including fiber, cable, DSL, and more in Alton, IN please click below.
DSL Internet Service Provider in Alton
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 Alton are not shown.
Alton 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 Alton is DSL internet available?
DSL Internet Availability Key
DSL is available in 96.55% of Alton. 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 Alton above to see who has service at your home.
How fast is DSL internet in Alton?
The map below shows maximum DSL internet speeds by area in Alton.
DSL Internet Speed Key
The average Alton home can get up to 10 Mbps on their DSL internet plan. The fastest DSL download speed in the city is 10 Mbps, which 96.55% of residents can get.
Is DSL the fastest internet I can get in Alton?
The fastest internet for you may vary based on where in Alton you live. In general, satellite competes most often with DSL in the city.
- Fiber is the fastest internet type for less than 1% of Alton homes.
- Cable is fastest for less than 1% of the city.
- DSL is fastest for 96.55%.
- Fixed wireless is fastest for less than 1%.
- Satellite internet may be the only option for 3.45% of Alton homes.
DSL Providers in Depth
Below you'll find which TV and internet providers offer service in Alton, along with details on where in Alton and at what speeds.
Frontier Communications DSL in Alton, IN
Frontier DSL coverage
About 96.55%, or 28 people, have Frontier DSL internet available to them in the city. The company covers the entire Alton area. Frontier is one of the largest internet service providers internet service providers in the US, with internet service available in most of Alton.
Frontier Communications DSL download speeds
Frontier is the fastest when comparing download speeds to all other internet providers in Alton. Versus other DSL providers in the area, Frontier DSL is the fastest. There are no different maximum speeds throughout Alton. The fastest plan anyone in Alton can order from Frontier goes up to 10 Mbps, and all Alton customers can get this speed.
Show all download speeds
- 100.0% up to 10.0 Mbps
Frontier Communications DSL upload speeds
In Alton download speeds tend to be faster than than upload speeds for Frontier DSL. Compared to other ISPs, Frontier is the fastest where upload speeds are concerned, and the fastest compared to other Alton DSL providers. Frontier offers no different upload speeds across the city. The fastest upload speed available to anyone from this ISP in Alton is up to 1.0 Mbps, which is available to everyone covered.
Show all upload speeds
- 100.0% up to 1.0 Mbps
Alton DSL by Area
This information is most helpful to those looking for homes or considering moving to Alton or any of the areas nearby.
How does DSL internet in Alton compare to the rest of Indiana?
DSL internet speeds in Alton are much faster versus the average speeds in Indiana: 0.00 Mbps in Indiana versus 10 Mbps in the city. The state has similar DSL availability compared to the city. Average DSL coverage in Indiana is 0.00% versus 96.55% in Alton.
What zip codes have DSL internet?
DSL internet coverage varies by zip code and neighborhood. Some examples in or around Alton 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
- Magnet, IN: less DSL coverage, similar speeds
- Oriole, IN: less DSL coverage, faster speeds
- Leavenworth, IN: less DSL coverage, faster speeds
- Battletown, KY: less DSL coverage, similar speeds
- Sulphur, IN: more DSL coverage, faster speeds
- Payneville, KY: less DSL coverage, faster speeds
- Riddle, IN: more DSL coverage, faster speeds
- Rhodelia, KY: less DSL coverage, faster speeds
- New Amsterdam, IN: less DSL coverage, faster speeds
- Pilot Knob, IN: more DSL coverage, faster speeds
Cities with Similar Populations
- Thistle, UT: less DSL coverage, similar speeds
- Bryce Canyon, UT: less DSL coverage, faster speeds
- Troy, OR: less DSL coverage, faster speeds
- Troy, LA: less DSL coverage, similar speeds
- Oxbow, ME: less DSL coverage, faster speeds
- Bray, CA: less DSL coverage, faster speeds
- Huron Mountain, MI: less DSL coverage, similar speeds
- Cardwell Town, VA: more DSL coverage, similar speeds
- Martin, UT: less DSL coverage, faster speeds
- Champ, MO: more DSL coverage, faster speeds