In Frontenac there are 3 residential DSL providers covering 91.04% of the city. The average home can get speeds up to 77 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 Frontenac, MO.
To see availability maps for all providers including fiber, cable, DSL, and more in Frontenac, MO please click below.
Frontenac, MO Availability Maps
DSL Internet Service Providers in Frontenac
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 Frontenac are not shown.
Frontenac 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 Frontenac is DSL internet available?
DSL Internet Availability Key
DSL is available in 91.04% of Frontenac. 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 Frontenac above to see who has service at your home.
How fast is DSL internet in Frontenac?
The map below shows maximum DSL internet speeds by area in Frontenac.
DSL Internet Speed Key
The average Frontenac home can get up to 77 Mbps on their DSL internet plan. The fastest DSL download speed in the city is 100 Mbps, which 58.10% of residents can get. Some homes and apartments do not have access to these speeds. On the slower end, for example, 6.05% of homes can only purchase plans up to 10 Mbps. See the internet provider details below for info about their speed and coverage in Frontenac.
DSL internet speeds tend to be faster in the central parts of Frontenac, and slower in the northeast areas of the city.
Is DSL the fastest internet I can get in Frontenac?
The fastest internet for you may vary based on where in Frontenac you live. In general, fiber competes most often with DSL in the city.
- Fiber is the fastest internet type for 95.14% of Frontenac homes.
- Cable is fastest for 4.86% of the city.
- 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 Frontenac homes.
DSL Providers in Depth
Below you'll find which TV and internet providers offer service in Frontenac, along with details on where in Frontenac and at what speeds.
AT&T DSL in Frontenac, MO
AT&T DSL coverage
About 91.04%, or 3,731 people, have AT&T DSL internet available to them in the city. The company covers the entire Frontenac area. AT&T is one of the largest internet service providers internet service providers in the US, with internet service available in most of Frontenac.
AT&T DSL download speeds
AT&T is below average when comparing download speeds to all other internet providers in Frontenac. Versus other DSL providers in the area, AT&T DSL is one of the fastest. There are 5 different maximum speeds throughout Frontenac. The fastest plan anyone in Frontenac can order from AT&T goes up to 100 Mbps, the slowest package only goes up to 10 Mbps, and the city-wide average maximum speed for Frontenac customers is up to 77 Mbps.
Show all download speeds
- 63.8% up to 100.0 Mbps
- 0.5% up to 75.0 Mbps
- 19.5% up to 50.0 Mbps
- 9.6% up to 25.0 Mbps
- 6.6% up to 10.0 Mbps
AT&T DSL upload speeds
In Frontenac 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 Frontenac DSL providers. AT&T offers 4 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 Frontenac 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 15 Mbps.
Show all upload speeds
- 64.3% up to 20.0 Mbps
- 19.5% up to 10.0 Mbps
- 9.6% up to 5.0 Mbps
- 6.6% up to 1.0 Mbps
EarthLink DSL in Frontenac, MO
EarthLink DSL coverage
About 91.04%, or 3,731 people, have EarthLink DSL internet available to them in the city. The company covers the entire Frontenac area. EarthLink is one of the largest internet service providers internet service providers in the US, with internet service available in most of Frontenac.
EarthLink DSL download speeds
EarthLink is below average when comparing download speeds to all other internet providers in Frontenac. Versus other DSL providers in the area, EarthLink DSL is one of the fastest. There are 5 different maximum speeds throughout Frontenac. The fastest plan anyone in Frontenac can order from EarthLink goes up to 100 Mbps, the slowest package only goes up to 10 Mbps, and the city-wide average maximum speed for Frontenac customers is up to 77 Mbps.
Show all download speeds
- 63.8% up to 100.0 Mbps
- 0.5% up to 75.0 Mbps
- 19.5% up to 50.0 Mbps
- 9.6% up to 25.0 Mbps
- 6.6% up to 10.0 Mbps
EarthLink DSL upload speeds
In Frontenac 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 Frontenac DSL providers. EarthLink offers 4 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 Frontenac 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 15 Mbps.
Show all upload speeds
- 64.3% up to 20.0 Mbps
- 19.5% up to 10.0 Mbps
- 9.6% up to 5.0 Mbps
- 6.6% up to 1.0 Mbps
Brightspeed DSL in Frontenac, MO
Brightspeed DSL coverage
About 4.10%, or 168 people, have Brightspeed DSL internet available to them in the city. The company covers the west Frontenac area. Brightspeed is one of the largest internet service providers internet service providers in the US, with internet service available in a very small piece of Frontenac.
Brightspeed DSL download speeds
Brightspeed is the slowest when comparing download speeds to all other internet providers in Frontenac. Versus other DSL providers in the area, Brightspeed DSL is the slowest. There are no different maximum speeds throughout Frontenac. The fastest plan anyone in Frontenac can order from Brightspeed goes up to 10 Mbps, and all Frontenac customers can get this speed.
Show all download speeds
- 100.0% up to 10.0 Mbps
Brightspeed DSL upload speeds
In Frontenac download speeds tend to be faster than than upload speeds for Brightspeed DSL. Compared to other ISPs, Brightspeed is the slowest where upload speeds are concerned, and the slowest compared to other Frontenac DSL providers. Brightspeed offers no different upload speeds across the city. The fastest upload speed available to anyone from this ISP in Frontenac is up to 1.0 Mbps, which is available to everyone covered.
Show all upload speeds
- 100.0% up to 1.0 Mbps
Frontenac DSL by Area
This information is most helpful to those looking for homes or considering moving to Frontenac or any of the areas nearby.
How does DSL internet in Frontenac compare to the rest of Missouri?
DSL internet speeds in Frontenac are much faster versus the average speeds in Missouri: 0.00 Mbps in Missouri versus 77 Mbps in the city. The state has similar DSL availability compared to the city. Average DSL coverage in Missouri is 0.00% versus 91.04% in Frontenac.
What zip codes have DSL internet?
DSL internet coverage varies by zip code and neighborhood. Some examples in or around Frontenac 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
- Crystal Lake Park, MO: less DSL coverage, slower speeds
- Huntleigh, MO: more DSL coverage, faster speeds
- Westwood, MO: more DSL coverage, slower speeds
- Warson Woods, MO: more DSL coverage, slower speeds
- Des Peres, MO: less DSL coverage, faster speeds
- Ladue, MO: more DSL coverage, slower speeds
- Glendale, MO: less DSL coverage, slower speeds
- Kirkwood, MO: less DSL coverage, slower speeds
- Rock Hill, MO: less DSL coverage, slower speeds
- Creve Coeur, MO: more DSL coverage, faster speeds
Cities with Similar Populations
- Arabi, LA: more DSL coverage, faster speeds
- Algoma, WI: less DSL coverage, slower speeds
- Ohatchee, AL: less DSL coverage, slower speeds
- Okolona, MS: less DSL coverage, slower speeds
- Allyn, WA: less DSL coverage, slower speeds
- Alturas, CA: less DSL coverage, slower speeds
- Olympia Fields, IL: more DSL coverage, faster speeds
- Ona, WV: less DSL coverage, slower speeds
- Amelia Court House, VA: more DSL coverage, faster speeds
- Onsted, MI: less DSL coverage, slower speeds