In Stephenson County there is 1 residential DSL provider covering 67.91% of the county. The average home can get speeds up to 27 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 Stephenson County, IL.
To see availability maps for all providers including fiber, cable, DSL, and more in Stephenson County, IL please click below.
Stephenson County, IL Availability Maps
DSL Internet Service Provider in Stephenson 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 Stephenson County are not shown.
Stephenson 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 Stephenson County is DSL internet available?
DSL Internet Availability Key
DSL is available in 67.91% of Stephenson 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 Stephenson County above to see who has service at your home.
How fast is DSL internet in Stephenson County?
The map below shows maximum DSL internet speeds by area in Stephenson County.
DSL Internet Speed Key
The average Stephenson County home can get up to 27 Mbps on their DSL internet plan. The fastest DSL download speed in the county is 115 Mbps, which 4.15% of residents can get. Some homes and apartments do not have access to these speeds. On the slower end, for example, 51.24% of homes can only purchase plans up to 10 Mbps. See the internet provider details below for info about their speed and coverage in Stephenson County.
DSL internet speeds tend to be faster in the northwest parts of Stephenson County, and slower in the southwest areas of the county.
Is DSL the fastest internet I can get in Stephenson County?
The fastest internet for you may vary based on where in Stephenson County you live. In general, cable competes most often with DSL in the county.
- Fiber is the fastest internet type for 17.09% of Stephenson County homes.
- Cable is fastest for 63.39% of the county.
- DSL is fastest for less than 1%.
- Fixed wireless is fastest for 19.36%.
- Satellite internet may be the only option for less than 1% of Stephenson County homes.
DSL Providers in Depth
Below you'll find which TV and internet providers offer service in Stephenson County, along with details on where in Stephenson County and at what speeds.
Frontier Communications DSL in Stephenson County, IL
Frontier DSL coverage
About 67.91%, or 30,307 people, have Frontier DSL internet available to them in the county. The company covers the entire Stephenson County area. Frontier is one of the largest internet service providers internet service providers in the US, with internet service available in much of Stephenson County.
Frontier Communications DSL download speeds
Frontier is below average when comparing download speeds to all other internet providers in Stephenson County. Versus other DSL providers in the area, Frontier DSL is the fastest. There are 5 different maximum speeds throughout Stephenson County. The fastest plan anyone in Stephenson 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 Stephenson County customers is up to 27 Mbps.
Show all download speeds
- 6.1% up to 115.0 Mbps
- 5.0% up to 90.0 Mbps
- 6.2% up to 70.0 Mbps
- 7.1% up to 45.0 Mbps
- 75.5% up to 10.0 Mbps
Frontier Communications DSL upload speeds
In Stephenson County 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 Stephenson 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 Stephenson 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 1.8 Mbps.
Show all upload speeds
- 6.1% up to 7.0 Mbps
- 5.0% up to 5.0 Mbps
- 13.4% up to 3.0 Mbps
- 75.5% up to 1.0 Mbps
Stephenson County DSL by Area
This information is most helpful to those looking for homes or considering moving to Stephenson County or any of the areas nearby.
How does DSL internet in Stephenson County compare to the rest of Illinois?
DSL internet speeds in Stephenson County are much faster versus the average speeds in Illinois: 0.00 Mbps in Illinois versus 27 Mbps in the county. The state has similar DSL availability compared to the county. Average DSL coverage in Illinois is 0.00% versus 67.91% in Stephenson County.
What zip codes have DSL internet?
DSL internet coverage varies by zip code and neighborhood. Some examples in or around Stephenson 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
- Winnebago County, IL: less DSL coverage, slower speeds
- Jo Daviess County, IL: less DSL coverage, faster speeds
- Boone County, IL: less DSL coverage, slower speeds
- Dubuque County, IA: more DSL coverage, faster speeds
- McHenry County, IL: more DSL coverage, faster speeds
- Lake County, IL: more DSL coverage, faster speeds
- Delaware County, IA: more DSL coverage, faster speeds
- Buchanan County, IA: less DSL coverage, faster speeds
- Black Hawk County, IA: more DSL coverage, faster speeds
- Grundy County, IA: more DSL coverage, faster speeds
Counties with Similar Populations
- Clatsop County, OR: more DSL coverage, faster speeds
- Shenandoah County, VA: less DSL coverage, slower speeds
- Shelby County, OH: more DSL coverage, slower speeds
- Shelby County, KY: more DSL coverage, faster speeds
- Shelby County, IN: more DSL coverage, faster speeds
- Shawano County, WI: more DSL coverage, faster speeds
- Sequoyah County, OK: less DSL coverage, faster speeds
- Scott County, MO: less DSL coverage, slower speeds
- Santa Cruz County, AZ: more DSL coverage, slower speeds
- Coffee County, GA: more DSL coverage, faster speeds