In 61821 there are 3 residential DSL providers covering 86.78% of the zip. The average home can get speeds up to 112 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 61821, IL.
To see availability maps for all providers including fiber, cable, DSL, and more in 61821, IL please click below.
DSL Internet Service Providers in 61821
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 61821 are not shown.
61821 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 61821 is DSL internet available?
DSL Internet Availability Key
DSL is available in 86.78% of 61821. 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 61821 above to see who has service at your home.
How fast is DSL internet in 61821?
The map below shows maximum DSL internet speeds by area in 61821.
DSL Internet Speed Key
The average 61821 home can get up to 112 Mbps on their DSL internet plan. The fastest DSL download speed in the zip is 500 Mbps, which 7.06% of residents can get. Some homes and apartments do not have access to these speeds. On the slower end, for example, 2.60% of homes can only purchase plans up to 10 Mbps. See the internet provider details below for info about their speed and coverage in 61821.
DSL internet speeds tend to be faster in the northwest parts of 61821, and slower in the central areas of the zip.
Is DSL the fastest internet I can get in 61821?
The fastest internet for you may vary based on where in 61821 you live. In general, fiber competes most often with DSL in the zip.
- Fiber is the fastest internet type for 53.29% of 61821 homes.
- Cable is fastest for 46.63% of the zip.
- DSL is fastest for less than 1%.
- Fixed wireless is fastest for less than 1%.
- Satellite internet may be the only option for less than 1% of 61821 homes.
DSL Providers in Depth
Below you'll find which TV and internet providers offer service in 61821, along with details on where in 61821 and at what speeds.
EarthLink DSL in 61821, IL
EarthLink DSL coverage
About 86.63%, or 25,322 people, have EarthLink DSL internet available to them in the zip. The company covers the entire 61821 area. EarthLink is one of the largest internet service providers internet service providers in the US, with internet service available in most of 61821.
EarthLink DSL download speeds
EarthLink is below average when comparing download speeds to all other internet providers in 61821. Versus other DSL providers in the area, EarthLink DSL is one of the slowest. There are 5 different maximum speeds throughout 61821. The fastest plan anyone in 61821 can order from EarthLink goes up to 100 Mbps, the slowest package only goes up to 10 Mbps, and the zip-wide average maximum speed for 61821 customers is up to 78 Mbps.
Show all download speeds
- 50.9% up to 100.0 Mbps
- 19.3% up to 75.0 Mbps
- 21.6% up to 50.0 Mbps
- 5.1% up to 25.0 Mbps
- 3.0% up to 10.0 Mbps
EarthLink DSL upload speeds
In 61821 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 61821 DSL providers. EarthLink offers 4 different upload speeds across the zip, so your internet plan's upload speed may vary by neighborhood . The fastest upload speed available to anyone from this ISP in 61821 is up to 20 Mbps. Some customers have slower plan choices, which only go up to 1.0 Mbps. On average, EarthLink customers can get speeds up to 16 Mbps.
Show all upload speeds
- 70.2% up to 20.0 Mbps
- 21.6% up to 10.0 Mbps
- 5.1% up to 5.0 Mbps
- 3.0% up to 1.0 Mbps
AT&T DSL in 61821, IL
AT&T DSL coverage
About 86.63%, or 25,322 people, have AT&T DSL internet available to them in the zip. The company covers the entire 61821 area. AT&T is one of the largest internet service providers internet service providers in the US, with internet service available in most of 61821.
AT&T DSL download speeds
AT&T is below average when comparing download speeds to all other internet providers in 61821. Versus other DSL providers in the area, AT&T DSL is one of the slowest. There are 5 different maximum speeds throughout 61821. The fastest plan anyone in 61821 can order from AT&T goes up to 100 Mbps, the slowest package only goes up to 10 Mbps, and the zip-wide average maximum speed for 61821 customers is up to 78 Mbps.
Show all download speeds
- 50.9% up to 100.0 Mbps
- 19.3% up to 75.0 Mbps
- 21.6% up to 50.0 Mbps
- 5.1% up to 25.0 Mbps
- 3.0% up to 10.0 Mbps
AT&T DSL upload speeds
In 61821 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 61821 DSL providers. AT&T offers 4 different upload speeds across the zip, so your internet plan's upload speed may vary by neighborhood . The fastest upload speed available to anyone from this ISP in 61821 is up to 20 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 16 Mbps.
Show all upload speeds
- 70.2% up to 20.0 Mbps
- 21.6% up to 10.0 Mbps
- 5.1% up to 5.0 Mbps
- 3.0% up to 1.0 Mbps
Fidium Fiber DSL in 61821, IL
Fidium DSL coverage
About 7.06%, or 2,063 people, have Fidium DSL internet available to them in the zip. The company covers the north, southeast, northwest, northeast, west, south, southwest, and east 61821 area. Fidium is one of the largest internet service providers internet service providers in the US, with internet service available in a very small piece of 61821.
Fidium Fiber DSL download speeds
Fidium is below average when comparing download speeds to all other internet providers in 61821. Versus other DSL providers in the area, Fidium DSL is the fastest. There are no different maximum speeds throughout 61821. The fastest plan anyone in 61821 can order from Fidium goes up to 500 Mbps, and all 61821 customers can get this speed.
Show all download speeds
- 100.0% up to 500.0 Mbps
Fidium Fiber DSL upload speeds
In 61821 download speeds tend to be faster than than upload speeds for Fidium DSL. Compared to other ISPs, Fidium is below average where upload speeds are concerned, and the fastest compared to other 61821 DSL providers. Fidium offers no different upload speeds across the zip. The fastest upload speed available to anyone from this ISP in 61821 is up to 75 Mbps, which is available to everyone covered.
Show all upload speeds
- 100.0% up to 75.0 Mbps
61821 DSL by Area
This information is most helpful to those looking for homes or considering moving to 61821 or any of the areas nearby.
How does DSL internet in 61821 compare to the rest of Illinois?
DSL internet speeds in 61821 are much faster versus the average speeds in Illinois: 0.00 Mbps in Illinois versus 112 Mbps in the zip. The state has similar DSL availability compared to the zip. Average DSL coverage in Illinois is 0.00% versus 86.78% in 61821.
What zip codes have DSL internet?
DSL internet coverage varies by zip code and neighborhood. Some examples in or around 61821 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 zip codes?
Below are zip codes nearby and with similar populations. This comparison can be useful if living somewhere with fast internet is important to you.
Nearby Zip Codes
- 61822, IL: less DSL coverage, faster speeds
- 61820, IL: less DSL coverage, faster speeds
- 61801, IL: less DSL coverage, slower speeds
- 61874, IL: more DSL coverage, faster speeds
- 61815, IL: more DSL coverage, slower speeds
- 61802, IL: less DSL coverage, slower speeds
- 61875, IL: less DSL coverage, slower speeds
- 61853, IL: less DSL coverage, slower speeds
- 61878, IL: less DSL coverage, slower speeds
- 61884, IL: less DSL coverage, slower speeds
Zip Codes with Similar Populations
- 91803, CA: less DSL coverage, slower speeds
- 32301, FL: more DSL coverage, slower speeds
- 33441, FL: more DSL coverage, slower speeds
- 35007, AL: more DSL coverage, slower speeds
- 62226, IL: more DSL coverage, slower speeds
- 72404, AR: less DSL coverage, slower speeds
- 80234, CO: more DSL coverage, faster speeds
- 84044, UT: more DSL coverage, slower speeds
- 90302, CA: more DSL coverage, slower speeds
- 91316, CA: less DSL coverage, slower speeds