In Harristown there are 2 residential DSL providers covering 13.08% of the city. The average home can get speeds up to 107 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 Harristown, IL.
To see availability maps for all providers including fiber, cable, DSL, and more in Harristown, IL please click below.
Harristown, IL Availability Maps
DSL Internet Service Providers in Harristown
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 Harristown are not shown.
Harristown 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 Harristown is DSL internet available?

DSL Internet Availability Key
DSL is available in 13.08% of Harristown. Areas in green have DSL internet service, where areas in yellow or red may not. The most widely available provider is AT&T. Call one of the companies with service in Harristown above to see who has service at your home.
How fast is DSL internet in Harristown?
The map below shows maximum DSL internet speeds by area in Harristown.

DSL Internet Speed Key
The average Harristown home can get up to 107 Mbps on their DSL internet plan. The fastest DSL download speed in the city is 500 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, 1.04% of homes can only purchase plans up to 25 Mbps. See the internet provider details below for info about their speed and coverage in Harristown.
DSL internet speeds tend to be faster in the southeast parts of Harristown, and slower in the central areas of the city.
Is DSL the fastest internet I can get in Harristown?
The fastest internet for you may vary based on where in Harristown you live. In general, fiber competes most often with DSL in the city.
- Fiber is the fastest internet type for 65.00% of Harristown homes.
- Cable is fastest for 25.19% of the city.
- DSL is fastest for less than 1%.
- Fixed wireless is fastest for 8.98%.
- Satellite internet may be the only option for less than 1% of Harristown homes.
DSL Providers in Depth
Below you'll find which TV and internet providers offer service in Harristown, along with details on where in Harristown and at what speeds.
EarthLink DSL in Harristown, IL

EarthLink DSL coverage
About 12.11%, or 174 people, have EarthLink DSL internet available to them in the city. The company covers the southeast and central Harristown 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 Harristown.
EarthLink DSL download speeds
EarthLink is below average when comparing download speeds to all other internet providers in Harristown. Versus other DSL providers in the area, EarthLink DSL is one of the slowest. There are 3 different maximum speeds throughout Harristown. The fastest plan anyone in Harristown can order from EarthLink goes up to 100 Mbps, the slowest package only goes up to 25 Mbps, and the city-wide average maximum speed for Harristown customers is up to 76 Mbps.
Show all download speeds
- 20.1% up to 100.0 Mbps
- 71.3% up to 75.0 Mbps
- 8.6% up to 25.0 Mbps
EarthLink DSL upload speeds
In Harristown download speeds tend to be faster than than upload speeds for EarthLink DSL. Compared to other ISPs, EarthLink is below average where upload speeds are concerned, and one of the slowest compared to other Harristown DSL providers. EarthLink offers 2 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 Harristown is up to 20 Mbps. Some customers have slower plan choices, which only go up to 5.0 Mbps. On average, EarthLink customers can get speeds up to 19 Mbps.
Show all upload speeds
- 91.4% up to 20.0 Mbps
- 8.6% up to 5.0 Mbps
AT&T DSL in Harristown, IL

AT&T DSL coverage
About 12.11%, or 174 people, have AT&T DSL internet available to them in the city. The company covers the southeast and central Harristown 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 Harristown.
AT&T DSL download speeds
AT&T is below average when comparing download speeds to all other internet providers in Harristown. Versus other DSL providers in the area, AT&T DSL is one of the slowest. There are 3 different maximum speeds throughout Harristown. The fastest plan anyone in Harristown can order from AT&T goes up to 100 Mbps, the slowest package only goes up to 25 Mbps, and the city-wide average maximum speed for Harristown customers is up to 76 Mbps.
Show all download speeds
- 20.1% up to 100.0 Mbps
- 71.3% up to 75.0 Mbps
- 8.6% up to 25.0 Mbps
AT&T DSL upload speeds
In Harristown download speeds tend to be faster than than upload speeds for AT&T DSL. Compared to other ISPs, AT&T is below average where upload speeds are concerned, and one of the slowest compared to other Harristown DSL providers. AT&T offers 2 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 Harristown is up to 20 Mbps. Some customers have slower plan choices, which only go up to 5.0 Mbps. On average, AT&T customers can get speeds up to 19 Mbps.
Show all upload speeds
- 91.4% up to 20.0 Mbps
- 8.6% up to 5.0 Mbps
Harristown DSL by Area
This information is most helpful to those looking for homes or considering moving to Harristown or any of the areas nearby.
How does DSL internet in Harristown compare to the rest of Illinois?
DSL internet speeds in Harristown are much faster versus the average speeds in Illinois: 0.00 Mbps in Illinois versus 107 Mbps in the city. The state has similar DSL availability compared to the city. Average DSL coverage in Illinois is 0.00% versus 13.08% in Harristown.
What zip codes have DSL internet?
DSL internet coverage varies by zip code and neighborhood. Some examples in or around Harristown 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
- Boody, IL: less DSL coverage, slower speeds
- Niantic, IL: more DSL coverage, slower speeds
- Decatur, IL: more DSL coverage, slower speeds
- Warrensburg, IL: more DSL coverage, slower speeds
- Elwin, IL: more DSL coverage, slower speeds
- Forsyth, IL: more DSL coverage, slower speeds
- Osbernville, IL: more DSL coverage, slower speeds
- Illiopolis, IL: more DSL coverage, slower speeds
- Blue Mound, IL: more DSL coverage, faster speeds
- Macon, IL: more DSL coverage, slower speeds
Cities with Similar Populations
- Steinhatchee, FL: more DSL coverage, slower speeds
- Dunes City, OR: more DSL coverage, slower speeds
- Earlton, NY: more DSL coverage, slower speeds
- East Hounsfield, NY: less DSL coverage, slower speeds
- El Paso, AR: more DSL coverage, slower speeds
- Etna, WY: more DSL coverage, slower speeds
- Fisher, WV: more DSL coverage, slower speeds
- Gay, GA: less DSL coverage, slower speeds
- Glenns Ferry, ID: more DSL coverage, slower speeds
- Gruver, TX: less DSL coverage, slower speeds


