In LaSalle County there are 4 residential DSL providers covering 75.12% of the county. The average home can get speeds up to 25 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 LaSalle County, IL.
To see availability maps for all providers including fiber, cable, DSL, and more in LaSalle County, IL please click below.
LaSalle County, IL Availability Maps
DSL Internet Service Providers in LaSalle 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 LaSalle County are not shown.
LaSalle 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 LaSalle County is DSL internet available?
DSL Internet Availability Key
DSL is available in 75.12% of LaSalle 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 LaSalle County above to see who has service at your home.
How fast is DSL internet in LaSalle County?
The map below shows maximum DSL internet speeds by area in LaSalle County.
DSL Internet Speed Key
The average LaSalle County home can get up to 25 Mbps on their DSL internet plan. The fastest DSL download speed in the county 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, 61.32% of homes can only purchase plans up to 10 Mbps. See the internet provider details below for info about their speed and coverage in LaSalle County.
DSL internet speeds tend to be faster in the east parts of LaSalle County, and slower in the west areas of the county.
Is DSL the fastest internet I can get in LaSalle County?
The fastest internet for you may vary based on where in LaSalle County you live. In general, cable competes most often with DSL in the county.
- Fiber is the fastest internet type for 41.45% of LaSalle County homes.
- Cable is fastest for 44.73% of the county.
- DSL is fastest for less than 1%.
- Fixed wireless is fastest for 13.28%.
- Satellite internet may be the only option for less than 1% of LaSalle County homes.
DSL Providers in Depth
Below you'll find which TV and internet providers offer service in LaSalle County, along with details on where in LaSalle County and at what speeds.
AT&T DSL in LaSalle County, IL
AT&T DSL coverage
About 42.52%, or 46,624 people, have AT&T DSL internet available to them in the county. The company covers the entire LaSalle County area. AT&T is one of the largest internet service providers internet service providers in the US, with internet service available in some of LaSalle County.
AT&T DSL download speeds
AT&T is below average when comparing download speeds to all other internet providers in LaSalle County. Versus other DSL providers in the area, AT&T DSL is below average. There are 2 different maximum speeds throughout LaSalle County. The fastest plan anyone in LaSalle County can order from AT&T goes up to 25 Mbps, the slowest package only goes up to 10 Mbps, and the county-wide average maximum speed for LaSalle County customers is up to 10 Mbps.
Show all download speeds
- 0.1% up to 25.0 Mbps
- 99.9% up to 10.0 Mbps
AT&T DSL upload speeds
In LaSalle County 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 below average compared to other LaSalle County DSL providers. AT&T offers 2 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 LaSalle County is up to 5.0 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 1.0 Mbps.
Show all upload speeds
- 0.1% up to 5.0 Mbps
- 99.9% up to 1.0 Mbps
EarthLink DSL in LaSalle County, IL
EarthLink DSL coverage
About 42.52%, or 46,624 people, have EarthLink DSL internet available to them in the county. The company covers the entire LaSalle County area. EarthLink is one of the largest internet service providers internet service providers in the US, with internet service available in some of LaSalle County.
EarthLink DSL download speeds
EarthLink is below average when comparing download speeds to all other internet providers in LaSalle County. Versus other DSL providers in the area, EarthLink DSL is below average. There are 2 different maximum speeds throughout LaSalle County. The fastest plan anyone in LaSalle County can order from EarthLink goes up to 25 Mbps, the slowest package only goes up to 10 Mbps, and the county-wide average maximum speed for LaSalle County customers is up to 10 Mbps.
Show all download speeds
- 0.1% up to 25.0 Mbps
- 99.9% up to 10.0 Mbps
EarthLink DSL upload speeds
In LaSalle County 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 below average compared to other LaSalle County DSL providers. EarthLink offers 2 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 LaSalle County is up to 5.0 Mbps. Some customers have slower plan choices, which only go up to 1.0 Mbps. On average, EarthLink customers can get speeds up to 1.0 Mbps.
Show all upload speeds
- 0.1% up to 5.0 Mbps
- 99.9% up to 1.0 Mbps
Frontier Communications DSL in LaSalle County, IL
Frontier DSL coverage
About 26.72%, or 29,300 people, have Frontier DSL internet available to them in the county. The company covers the northeast, south, northwest, southeast, north, and southwest LaSalle County area. Frontier is one of the largest internet service providers internet service providers in the US, with internet service available in a small portion of LaSalle County.
Frontier Communications DSL download speeds
Frontier is below average when comparing download speeds to all other internet providers in LaSalle County. Versus other DSL providers in the area, Frontier DSL is average. There are 5 different maximum speeds throughout LaSalle County. The fastest plan anyone in LaSalle 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 LaSalle County customers is up to 36 Mbps.
Show all download speeds
- 11.0% up to 115.0 Mbps
- 11.1% up to 90.0 Mbps
- 6.8% up to 70.0 Mbps
- 3.9% up to 45.0 Mbps
- 67.2% up to 10.0 Mbps
Frontier Communications DSL upload speeds
In LaSalle 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 below average compared to other LaSalle 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 LaSalle 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 2.3 Mbps.
Show all upload speeds
- 11.0% up to 7.0 Mbps
- 11.1% up to 5.0 Mbps
- 10.7% up to 3.0 Mbps
- 67.2% up to 1.0 Mbps
MTCO DSL in LaSalle County, IL
MTCO DSL coverage
About 4.96%, or 5,443 people, have MTCO DSL internet available to them in the county. The company covers the east, southeast, and northeast LaSalle County area. MTCO is a large internet service provider internet service providers in the US, with internet service available in a very small piece of LaSalle County.
MTCO DSL download speeds
MTCO is below average when comparing download speeds to all other internet providers in LaSalle County. Versus other DSL providers in the area, MTCO DSL is the fastest. There are no different maximum speeds throughout LaSalle County. The fastest plan anyone in LaSalle County can order from MTCO goes up to 100 Mbps, and all LaSalle County customers can get this speed.
Show all download speeds
- 100.0% up to 100.0 Mbps
MTCO DSL upload speeds
In LaSalle County download speeds tend to be faster than than upload speeds for MTCO DSL. Compared to other ISPs, MTCO is below average where upload speeds are concerned, and the fastest compared to other LaSalle County DSL providers. MTCO offers no different upload speeds across the county. The fastest upload speed available to anyone from this ISP in LaSalle County is up to 20 Mbps, which is available to everyone covered.
Show all upload speeds
- 100.0% up to 20.0 Mbps
LaSalle County DSL by Area
This information is most helpful to those looking for homes or considering moving to LaSalle County or any of the areas nearby.
How does DSL internet in LaSalle County compare to the rest of Illinois?
DSL internet speeds in LaSalle County are much faster versus the average speeds in Illinois: 0.00 Mbps in Illinois versus 25 Mbps in the county. The state has similar DSL availability compared to the county. Average DSL coverage in Illinois is 0.00% versus 75.12% in LaSalle County.
What zip codes have DSL internet?
DSL internet coverage varies by zip code and neighborhood. Some examples in or around LaSalle 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
- Putnam County, IL: less DSL coverage, faster speeds
- Bureau County, IL: less DSL coverage, faster speeds
- Grundy County, IL: less DSL coverage, faster speeds
- Henry County, IL: less DSL coverage, slower speeds
- Rock Island County, IL: less DSL coverage, slower speeds
- Mercer County, IL: less DSL coverage, faster speeds
- Muscatine County, IA: more DSL coverage, faster speeds
- Starke County, IN: less DSL coverage, faster speeds
- Louisa County, IA: more DSL coverage, faster speeds
- Marshall County, IN: less DSL coverage, faster speeds
Counties with Similar Populations
- Woodbury County, IA: more DSL coverage, faster speeds
- Androscoggin County, ME: less DSL coverage, slower speeds
- Bartow County, GA: more DSL coverage, faster speeds
- Bay County, MI: more DSL coverage, faster speeds
- Bradley County, TN: more DSL coverage, faster speeds
- Calhoun County, AL: more DSL coverage, faster speeds
- Carroll County, GA: more DSL coverage, faster speeds
- Windham County, CT: less DSL coverage, slower speeds
- Laramie County, WY: more DSL coverage, faster speeds
- Cowlitz County, WA: more DSL coverage, faster speeds