In Union County there is 1 residential DSL provider covering 90.56% of the county. The average home can get speeds up to 45 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 Union County, IL.
To see availability maps for all providers including fiber, cable, DSL, and more in Union County, IL please click below.
Union County, IL Availability Maps
DSL Internet Service Provider in Union 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 Union County are not shown.
Union 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 Union County is DSL internet available?
DSL Internet Availability Key
DSL is available in 90.56% of Union County. 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 Union County above to see who has service at your home.
How fast is DSL internet in Union County?
The map below shows maximum DSL internet speeds by area in Union County.
DSL Internet Speed Key
The average Union County home can get up to 45 Mbps on their DSL internet plan. The fastest DSL download speed in the county is 115 Mbps, which 17.98% of residents can get. Some homes and apartments do not have access to these speeds. On the slower end, for example, 50.46% of homes can only purchase plans up to 10 Mbps. See the internet provider details below for info about their speed and coverage in Union County.
DSL internet speeds tend to be faster in the southwest parts of Union County, and slower in the central areas of the county.
Is DSL the fastest internet I can get in Union County?
The fastest internet for you may vary based on where in Union County you live. In general, fiber competes most often with DSL in the county.
- Fiber is the fastest internet type for 98.42% of Union County homes.
- Cable is fastest for less than 1% of the county.
- DSL is fastest for less than 1%.
- Fixed wireless is fastest for less than 1%.
- Satellite internet may be the only option for 1.16% of Union County homes.
DSL Providers in Depth
Below you'll find which TV and internet providers offer service in Union County, along with details on where in Union County and at what speeds.
Frontier Communications DSL in Union County, IL
Frontier DSL coverage
About 90.56%, or 15,617 people, have Frontier DSL internet available to them in the county. The company covers the entire Union County area. Frontier is one of the largest internet service providers internet service providers in the US, with internet service available in most of Union County.
Frontier Communications DSL download speeds
Frontier is below average when comparing download speeds to all other internet providers in Union County. Versus other DSL providers in the area, Frontier DSL is the fastest. There are 5 different maximum speeds throughout Union County. The fastest plan anyone in Union County can order from Frontier goes up to 115 Mbps, the slowest package only goes up to 10 Mbps, and the county-wide average maximum speed for Union County customers is up to 45 Mbps.
Show all download speeds
- 19.9% up to 115.0 Mbps
- 7.7% up to 90.0 Mbps
- 8.9% up to 70.0 Mbps
- 7.8% up to 45.0 Mbps
- 55.7% up to 10.0 Mbps
Frontier Communications DSL upload speeds
In Union County download speeds tend to be faster than than upload speeds for Frontier DSL. Compared to other ISPs, Frontier is the slowest where upload speeds are concerned, and the fastest compared to other Union County DSL providers. Frontier offers 4 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 Union County 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 2.8 Mbps.
Show all upload speeds
- 19.9% up to 7.0 Mbps
- 7.7% up to 5.0 Mbps
- 16.7% up to 3.0 Mbps
- 55.7% up to 1.0 Mbps
Union County DSL by Area
This information is most helpful to those looking for homes or considering moving to Union County or any of the areas nearby.
How does DSL internet in Union County compare to the rest of Illinois?
DSL internet speeds in Union County are much faster versus the average speeds in Illinois: 0.00 Mbps in Illinois versus 45 Mbps in the county. The state has similar DSL availability compared to the county. Average DSL coverage in Illinois is 0.00% versus 90.56% in Union County.
What zip codes have DSL internet?
DSL internet coverage varies by zip code and neighborhood. Some examples in or around Union County 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 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
- Johnson County, IL: less DSL coverage, faster speeds
- Cape Girardeau County, MO: less DSL coverage, slower speeds
- Pope County, IL: less DSL coverage, faster speeds
- Bollinger County, MO: less DSL coverage, slower speeds
- Madison County, MO: less DSL coverage, slower speeds
- Crittenden County, KY: less DSL coverage, slower speeds
- Iron County, MO: less DSL coverage, faster speeds
- Webster County, KY: less DSL coverage, slower speeds
- Hopkins County, KY: less DSL coverage, slower speeds
- Reynolds County, MO: less DSL coverage, faster speeds
Counties with Similar Populations
- Yancey County, NC: less DSL coverage, slower speeds
- Johnson County, IL: less DSL coverage, faster speeds
- Johnson County, KY: less DSL coverage, slower speeds
- Johnson County, TN: less DSL coverage, slower speeds
- Yoakum County, TX: less DSL coverage, faster speeds
- Yellow Medicine County, MN: less DSL coverage, slower speeds
- Juneau County, WI: less DSL coverage, faster speeds
- Juniata County, PA: more DSL coverage, faster speeds
- Yell County, AR: less DSL coverage, faster speeds
- Yazoo County, MS: less DSL coverage, slower speeds