In South Beloit there are 3 residential DSL providers covering 88.71% 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 South Beloit, IL.
To see availability maps for all providers including fiber, cable, DSL, and more in South Beloit, IL please click below.
South Beloit, IL Availability Maps
DSL Internet Service Providers in South Beloit
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 South Beloit are not shown.
South Beloit 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 South Beloit is DSL internet available?
DSL Internet Availability Key
DSL is available in 88.71% of South Beloit. 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 South Beloit above to see who has service at your home.
How fast is DSL internet in South Beloit?
The map below shows maximum DSL internet speeds by area in South Beloit.
DSL Internet Speed Key
The average South Beloit home can get up to 10 Mbps on their DSL internet plan. The fastest DSL download speed in the city is 50 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, 88.08% of homes can only purchase plans up to 10 Mbps. See the internet provider details below for info about their speed and coverage in South Beloit.
DSL internet speeds tend to be faster in the northwest parts of South Beloit, and slower in the east areas of the city.
Is DSL the fastest internet I can get in South Beloit?
The fastest internet for you may vary based on where in South Beloit you live. In general, cable competes most often with DSL in the city.
- Fiber is the fastest internet type for 7.22% of South Beloit homes.
- Cable is fastest for 90.88% of the city.
- DSL is fastest for less than 1%.
- Fixed wireless is fastest for 1.58%.
- Satellite internet may be the only option for less than 1% of South Beloit homes.
DSL Providers in Depth
Below you'll find which TV and internet providers offer service in South Beloit, along with details on where in South Beloit and at what speeds.
EarthLink DSL in South Beloit, IL
EarthLink DSL coverage
About 87.95%, or 8,795 people, have EarthLink DSL internet available to them in the city. The company covers the entire South Beloit area. EarthLink is one of the largest internet service providers internet service providers in the US, with internet service available in most of South Beloit.
EarthLink DSL download speeds
EarthLink is below average when comparing download speeds to all other internet providers in South Beloit. Versus other DSL providers in the area, EarthLink DSL is one of the fastest. There are 2 different maximum speeds throughout South Beloit. The fastest plan anyone in South Beloit can order from EarthLink goes up to 50 Mbps, the slowest package only goes up to 10 Mbps, and the city-wide average maximum speed for South Beloit customers is up to 10 Mbps.
Show all download speeds
- 0.7% up to 50.0 Mbps
- 99.3% up to 10.0 Mbps
EarthLink DSL upload speeds
In South Beloit 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 fastest compared to other South Beloit 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 South Beloit is up to 10 Mbps. Some customers have slower plan choices, which only go up to 1.0 Mbps. On average, EarthLink customers can get speeds up to 1.1 Mbps.
Show all upload speeds
- 0.7% up to 10.0 Mbps
- 99.3% up to 1.0 Mbps
AT&T DSL in South Beloit, IL
AT&T DSL coverage
About 87.95%, or 8,795 people, have AT&T DSL internet available to them in the city. The company covers the entire South Beloit area. AT&T is one of the largest internet service providers internet service providers in the US, with internet service available in most of South Beloit.
AT&T DSL download speeds
AT&T is below average when comparing download speeds to all other internet providers in South Beloit. Versus other DSL providers in the area, AT&T DSL is one of the fastest. There are 2 different maximum speeds throughout South Beloit. The fastest plan anyone in South Beloit can order from AT&T goes up to 50 Mbps, the slowest package only goes up to 10 Mbps, and the city-wide average maximum speed for South Beloit customers is up to 10 Mbps.
Show all download speeds
- 0.7% up to 50.0 Mbps
- 99.3% up to 10.0 Mbps
AT&T DSL upload speeds
In South Beloit 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 fastest compared to other South Beloit 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 South Beloit is up to 10 Mbps. Some customers have slower plan choices, which only go up to 1.0 Mbps. On average, AT&T customers can get speeds up to 1.1 Mbps.
Show all upload speeds
- 0.7% up to 10.0 Mbps
- 99.3% up to 1.0 Mbps
Frontier Communications DSL in South Beloit, IL
Frontier DSL coverage
About 2.46%, or 246 people, have Frontier DSL internet available to them in the city. The company covers the southwest and south South Beloit area. Frontier is one of the largest internet service providers internet service providers in the US, with internet service available in a very small piece of South Beloit.
Frontier Communications DSL download speeds
Frontier is the slowest when comparing download speeds to all other internet providers in South Beloit. Versus other DSL providers in the area, Frontier DSL is the slowest. There are no different maximum speeds throughout South Beloit. The fastest plan anyone in South Beloit can order from Frontier goes up to 10 Mbps, and all South Beloit customers can get this speed.
Show all download speeds
- 100.0% up to 10.0 Mbps
Frontier Communications DSL upload speeds
In South Beloit 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 slowest compared to other South Beloit DSL providers. Frontier offers no different upload speeds across the city. The fastest upload speed available to anyone from this ISP in South Beloit is up to 1.0 Mbps, which is available to everyone covered.
Show all upload speeds
- 100.0% up to 1.0 Mbps
South Beloit DSL by Area
This information is most helpful to those looking for homes or considering moving to South Beloit or any of the areas nearby.
How does DSL internet in South Beloit compare to the rest of Illinois?
DSL internet speeds in South Beloit are much faster versus the average speeds in Illinois: 0.00 Mbps in Illinois versus 10 Mbps in the city. The state has similar DSL availability compared to the city. Average DSL coverage in Illinois is 0.00% versus 88.71% in South Beloit.
What zip codes have DSL internet?
DSL internet coverage varies by zip code and neighborhood. Some examples in or around South Beloit 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
- Rockton, IL: less DSL coverage, faster speeds
- Beloit, WI: less DSL coverage, faster speeds
- Roscoe, IL: less DSL coverage, faster speeds
- Garden Village, WI: more DSL coverage, faster speeds
- Shopiere, WI: less DSL coverage, faster speeds
- Hunter, IL: less DSL coverage, faster speeds
- Tiffany, WI: less DSL coverage, faster speeds
- Shirland, IL: less DSL coverage, slower speeds
- Machesney Park, IL: less DSL coverage, faster speeds
- Afton, WI: less DSL coverage, faster speeds
Cities with Similar Populations
- Cross Lanes, WV: less DSL coverage, faster speeds
- Tyrone, GA: less DSL coverage, faster speeds
- Tunnel Hill, GA: more DSL coverage, faster speeds
- Tremonton, UT: less DSL coverage, faster speeds
- Crystal Springs, MS: more DSL coverage, faster speeds
- Crozet, VA: more DSL coverage, faster speeds
- Umatilla, FL: more DSL coverage, faster speeds
- Creswell, OR: more DSL coverage, faster speeds
- Crestwood, IL: more DSL coverage, faster speeds
- Crestline, CA: less DSL coverage, faster speeds