In St. Charles County there are 3 residential DSL providers covering 86.92% of the county. The average home can get speeds up to 49 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. Charles County, MO.
To see availability maps for all providers including fiber, cable, DSL, and more in St. Charles County, MO please click below.
St. Charles County, MO Availability Maps
DSL Internet Service Providers in St. Charles 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. Charles County are not shown.
St. Charles 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. Charles County is DSL internet available?
DSL Internet Availability Key
DSL is available in 86.92% of St. Charles County. 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 St. Charles County above to see who has service at your home.
How fast is DSL internet in St. Charles County?
The map below shows maximum DSL internet speeds by area in St. Charles County.
DSL Internet Speed Key
The average St. Charles County home can get up to 49 Mbps on their DSL internet plan. The fastest DSL download speed in the county is 100 Mbps, which 26.48% of residents can get. Some homes and apartments do not have access to these speeds. On the slower end, for example, 37.87% 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. Charles County.
DSL internet speeds tend to be faster in the southeast parts of St. Charles County, and slower in the north areas of the county.
Is DSL the fastest internet I can get in St. Charles County?
The fastest internet for you may vary based on where in St. Charles County you live. In general, fiber competes most often with DSL in the county.
- Fiber is the fastest internet type for 87.00% of St. Charles County homes.
- Cable is fastest for 11.34% of the county.
- DSL is fastest for less than 1%.
- Fixed wireless is fastest for 1.00%.
- Satellite internet may be the only option for less than 1% of St. Charles County homes.
DSL Providers in Depth
Below you'll find which TV and internet providers offer service in St. Charles County, along with details on where in St. Charles County and at what speeds.
Brightspeed DSL in St. Charles County, MO
Brightspeed DSL coverage
About 49.84%, or 201,992 people, have Brightspeed DSL internet available to them in the county. The company covers the northwest, central, west, southwest, south, north, southeast, and east St. Charles County area. Brightspeed is one of the largest internet service providers internet service providers in the US, with internet service available in some of St. Charles County.
Brightspeed DSL download speeds
Brightspeed is below average when comparing download speeds to all other internet providers in St. Charles County. Versus other DSL providers in the area, Brightspeed DSL is below average. There are 5 different maximum speeds throughout St. Charles County. The fastest plan anyone in St. Charles 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. Charles County customers is up to 23 Mbps.
Show all download speeds
- 6.4% up to 100.0 Mbps
- 3.5% up to 80.0 Mbps
- 4.6% up to 60.0 Mbps
- 9.3% up to 40.0 Mbps
- 76.1% up to 10.0 Mbps
Brightspeed DSL upload speeds
In St. Charles 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 below average compared to other St. Charles 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. Charles 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 2.3 Mbps.
Show all upload speeds
- 9.9% up to 10.0 Mbps
- 4.6% up to 5.0 Mbps
- 9.3% up to 3.0 Mbps
- 76.1% up to 1.0 Mbps
AT&T DSL in St. Charles County, MO
AT&T DSL coverage
About 39.01%, or 158,086 people, have AT&T DSL internet available to them in the county. The company covers the south, east, southeast, northeast, central, southwest, and north St. Charles 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 St. Charles County.
AT&T DSL download speeds
AT&T is below average when comparing download speeds to all other internet providers in St. Charles County. Versus other DSL providers in the area, AT&T DSL is one of the fastest. There are 5 different maximum speeds throughout St. Charles County. The fastest plan anyone in St. Charles County can order from AT&T goes up to 100 Mbps, the slowest package only goes up to 10 Mbps, and the county-wide average maximum speed for St. Charles County customers is up to 79 Mbps.
Show all download speeds
- 59.7% up to 100.0 Mbps
- 12.2% up to 75.0 Mbps
- 17.2% up to 50.0 Mbps
- 6.0% up to 25.0 Mbps
- 5.0% up to 10.0 Mbps
AT&T DSL upload speeds
In St. Charles 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 one of the fastest compared to other St. Charles County DSL providers. AT&T 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. Charles County 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
- 71.9% up to 20.0 Mbps
- 17.2% up to 10.0 Mbps
- 6.0% up to 5.0 Mbps
- 5.0% up to 1.0 Mbps
EarthLink DSL in St. Charles County, MO
EarthLink DSL coverage
About 39.01%, or 158,086 people, have EarthLink DSL internet available to them in the county. The company covers the south, east, southeast, northeast, central, southwest, and north St. Charles County area. EarthLink is one of the largest internet service providers internet service providers in the US, with internet service available in some of St. Charles County.
EarthLink DSL download speeds
EarthLink is below average when comparing download speeds to all other internet providers in St. Charles County. Versus other DSL providers in the area, EarthLink DSL is one of the fastest. There are 5 different maximum speeds throughout St. Charles County. The fastest plan anyone in St. Charles County can order from EarthLink goes up to 100 Mbps, the slowest package only goes up to 10 Mbps, and the county-wide average maximum speed for St. Charles County customers is up to 79 Mbps.
Show all download speeds
- 59.7% up to 100.0 Mbps
- 12.2% up to 75.0 Mbps
- 17.2% up to 50.0 Mbps
- 6.0% up to 25.0 Mbps
- 5.0% up to 10.0 Mbps
EarthLink DSL upload speeds
In St. Charles 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 one of the fastest compared to other St. Charles County DSL providers. EarthLink 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. Charles County 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
- 71.9% up to 20.0 Mbps
- 17.2% up to 10.0 Mbps
- 6.0% up to 5.0 Mbps
- 5.0% up to 1.0 Mbps
St. Charles County DSL by Area
This information is most helpful to those looking for homes or considering moving to St. Charles County or any of the areas nearby.
How does DSL internet in St. Charles County compare to the rest of Missouri?
DSL internet speeds in St. Charles County are much faster versus the average speeds in Missouri: 0.00 Mbps in Missouri versus 49 Mbps in the county. The state has similar DSL availability compared to the county. Average DSL coverage in Missouri is 0.00% versus 86.92% in St. Charles County.
What zip codes have DSL internet?
DSL internet coverage varies by zip code and neighborhood. Some examples in or around St. Charles 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
- St. Louis County, MO: less DSL coverage, faster speeds
- Warren County, MO: more DSL coverage, slower speeds
- St. Louis City, MO: less DSL coverage, faster speeds
- Madison County, IL: less DSL coverage, faster speeds
- Bond County, IL: less DSL coverage, slower speeds
- Callaway County, MO: less DSL coverage, slower speeds
- Moniteau County, MO: less DSL coverage, slower speeds
- Clay County, IL: less DSL coverage, slower speeds
- Pettis County, MO: less DSL coverage, faster speeds
- Richland County, IL: less DSL coverage, slower speeds
Counties with Similar Populations
- Westmoreland County, PA: less DSL coverage, faster speeds
- East Baton Rouge Parish, LA: more DSL coverage, faster speeds
- Escambia County, FL: less DSL coverage, faster speeds
- Fayette County, KY: more DSL coverage, faster speeds
- Forsyth County, NC: less DSL coverage, faster speeds
- Galveston County, TX: less DSL coverage, slower speeds
- Genesee County, MI: less DSL coverage, faster speeds
- Hamilton County, IN: less DSL coverage, faster speeds
- Hamilton County, TN: less DSL coverage, faster speeds
- Albany County, NY: less DSL coverage, slower speeds