In St. Clair County there is 1 residential DSL provider covering 60.81% of the county. The average home can get speeds up to 47 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 St. Clair County, MO.
To see availability maps for all providers including fiber, cable, DSL, and more in St. Clair County, MO please click below.
St. Clair County, MO Availability Maps
DSL Internet Service Provider in St. Clair 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 St. Clair County are not shown.
St. Clair 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 St. Clair County is DSL internet available?

DSL Internet Availability Key
DSL is available in 60.81% of St. Clair County. Areas in green have DSL internet service, where areas in yellow or red may not. The most widely available provider is Brightspeed. Call one of the companies with service in St. Clair County above to see who has service at your home.
How fast is DSL internet in St. Clair County?
The map below shows maximum DSL internet speeds by area in St. Clair County.

DSL Internet Speed Key
The average St. Clair County home can get up to 47 Mbps on their DSL internet plan. The fastest DSL download speed in the county is 100 Mbps, which 9.38% of residents can get. Some homes and apartments do not have access to these speeds. On the slower end, for example, 23.82% of homes can only purchase plans up to 10 Mbps. See the internet provider details below for info about their speed and coverage in St. Clair County.
DSL internet speeds tend to be faster in the central parts of St. Clair County, and slower in the southwest areas of the county.
Is DSL the fastest internet I can get in St. Clair County?
The fastest internet for you may vary based on where in St. Clair County you live. In general, fiber competes most often with DSL in the county.
- Fiber is the fastest internet type for 73.59% of St. Clair County homes.
- Cable is fastest for 20.78% of the county.
- DSL is fastest for 1.39%.
- Fixed wireless is fastest for 2.68%.
- Satellite internet may be the only option for 1.56% of St. Clair County homes.
DSL Providers in Depth
Below you'll find which TV and internet providers offer service in St. Clair County, along with details on where in St. Clair County and at what speeds.
Brightspeed DSL in St. Clair County, MO

Brightspeed DSL coverage
About 60.81%, or 5,646 people, have Brightspeed DSL internet available to them in the county. The company covers the northwest, north, central, southeast, east, south, northeast, and southwest St. Clair County area. Brightspeed is one of the largest internet service providers internet service providers in the US, with internet service available in a majority of St. Clair County.
Brightspeed DSL download speeds
Brightspeed is below average when comparing download speeds to all other internet providers in St. Clair County. Versus other DSL providers in the area, Brightspeed DSL is the fastest. There are 5 different maximum speeds throughout St. Clair County. The fastest plan anyone in St. Clair County can order from Brightspeed goes up to 100 Mbps, the slowest package only goes up to 10 Mbps, and the county-wide average maximum speed for St. Clair County customers is up to 47 Mbps.
Show all download speeds
- 15.4% up to 100.0 Mbps
- 20.1% up to 80.0 Mbps
- 5.0% up to 60.0 Mbps
- 20.3% up to 40.0 Mbps
- 39.2% up to 10.0 Mbps
Brightspeed DSL upload speeds
In St. Clair County download speeds tend to be faster than than upload speeds for Brightspeed DSL. Compared to other ISPs, Brightspeed is below average where upload speeds are concerned, and the fastest compared to other St. Clair County DSL providers. Brightspeed 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 St. Clair County is up to 10 Mbps. Some customers have slower plan choices, which only go up to 1.0 Mbps. On average, Brightspeed customers can get speeds up to 4.8 Mbps.
Show all upload speeds
- 35.5% up to 10.0 Mbps
- 5.0% up to 5.0 Mbps
- 20.3% up to 3.0 Mbps
- 39.2% up to 1.0 Mbps
St. Clair County DSL by Area
This information is most helpful to those looking for homes or considering moving to St. Clair County or any of the areas nearby.
How does DSL internet in St. Clair County compare to the rest of Missouri?
DSL internet speeds in St. Clair County are much faster versus the average speeds in Missouri: 0.00 Mbps in Missouri versus 47 Mbps in the county. The state has similar DSL availability compared to the county. Average DSL coverage in Missouri is 0.00% versus 60.81% in St. Clair County.
What zip codes have DSL internet?
DSL internet coverage varies by zip code and neighborhood. Some examples in or around St. Clair 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
- Hickory County, MO: more DSL coverage, faster speeds
- Camden County, MO: less DSL coverage, slower speeds
- Maries County, MO: more DSL coverage, faster speeds
- Phelps County, MO: more DSL coverage, faster speeds
- Crawford County, MO: more DSL coverage, faster speeds
- Washington County, MO: more DSL coverage, faster speeds
- Ste. Genevieve County, MO: less DSL coverage, slower speeds
- Harvey County, KS: more DSL coverage, slower speeds
- Randolph County, IL: more DSL coverage, faster speeds
- Reno County, KS: more DSL coverage, slower speeds
Counties with Similar Populations
- Crockett County, TN: more DSL coverage, slower speeds
- Custer County, MT: more DSL coverage, slower speeds
- Custer County, ID: less DSL coverage, slower speeds
- Custer County, CO: more DSL coverage, faster speeds
- Cumberland County, VA: less DSL coverage, slower speeds
- Cumberland County, KY: more DSL coverage, faster speeds
- Cumberland County, IL: more DSL coverage, faster speeds
- Culebra Municipio, PR: more DSL coverage, slower speeds
- Culberson County, TX: more DSL coverage, faster speeds
- Crowley County, CO: more DSL coverage, faster speeds


