In Seminole County there are 3 residential DSL providers covering 84.51% of the county. The average home can get speeds up to 73 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 Seminole County, FL.
To see availability maps for all providers including fiber, cable, DSL, and more in Seminole County, FL please click below.
Seminole County, FL Availability Maps
DSL Internet Service Providers in Seminole 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 Seminole County are not shown.
Seminole 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 Seminole County is DSL internet available?
DSL Internet Availability Key
DSL is available in 84.51% of Seminole 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 Seminole County above to see who has service at your home.
How fast is DSL internet in Seminole County?
The map below shows maximum DSL internet speeds by area in Seminole County.
DSL Internet Speed Key
The average Seminole County home can get up to 73 Mbps on their DSL internet plan. The fastest DSL download speed in the county is 1,000 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, 16.72% of homes can only purchase plans up to 10 Mbps. See the internet provider details below for info about their speed and coverage in Seminole County.
DSL internet speeds tend to be faster in the southeast parts of Seminole County, and slower in the southwest areas of the county.
Is DSL the fastest internet I can get in Seminole County?
The fastest internet for you may vary based on where in Seminole County you live. In general, fiber competes most often with DSL in the county.
- Fiber is the fastest internet type for 80.21% of Seminole County homes.
- Cable is fastest for 18.95% of the county.
- 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 Seminole County homes.
DSL Providers in Depth
Below you'll find which TV and internet providers offer service in Seminole County, along with details on where in Seminole County and at what speeds.
AT&T DSL in Seminole County, FL
AT&T DSL coverage
About 46.28%, or 217,925 people, have AT&T DSL internet available to them in the county. The company covers the southeast, north, northwest, northeast, east, central, west, and southwest Seminole 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 Seminole County.
AT&T DSL download speeds
AT&T is below average when comparing download speeds to all other internet providers in Seminole County. Versus other DSL providers in the area, AT&T DSL is below average. There are 5 different maximum speeds throughout Seminole County. The fastest plan anyone in Seminole 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 Seminole County customers is up to 75 Mbps.
Show all download speeds
- 55.7% up to 100.0 Mbps
- 11.7% up to 75.0 Mbps
- 15.6% up to 50.0 Mbps
- 5.6% up to 25.0 Mbps
- 11.4% up to 10.0 Mbps
AT&T DSL upload speeds
In Seminole 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 Seminole 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 Seminole 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 15 Mbps.
Show all upload speeds
- 67.4% up to 20.0 Mbps
- 15.6% up to 10.0 Mbps
- 5.6% up to 5.0 Mbps
- 11.4% up to 1.0 Mbps
EarthLink DSL in Seminole County, FL
EarthLink DSL coverage
About 46.28%, or 217,925 people, have EarthLink DSL internet available to them in the county. The company covers the southeast, north, northwest, northeast, east, central, west, and southwest Seminole County area. EarthLink is one of the largest internet service providers internet service providers in the US, with internet service available in some of Seminole County.
EarthLink DSL download speeds
EarthLink is below average when comparing download speeds to all other internet providers in Seminole County. Versus other DSL providers in the area, EarthLink DSL is below average. There are 5 different maximum speeds throughout Seminole County. The fastest plan anyone in Seminole 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 Seminole County customers is up to 75 Mbps.
Show all download speeds
- 55.7% up to 100.0 Mbps
- 11.7% up to 75.0 Mbps
- 15.6% up to 50.0 Mbps
- 5.6% up to 25.0 Mbps
- 11.4% up to 10.0 Mbps
EarthLink DSL upload speeds
In Seminole 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 Seminole 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 Seminole 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 15 Mbps.
Show all upload speeds
- 67.4% up to 20.0 Mbps
- 15.6% up to 10.0 Mbps
- 5.6% up to 5.0 Mbps
- 11.4% up to 1.0 Mbps
Centurylink DSL in Seminole County, FL
Centurylink DSL coverage
About 43.92%, or 206,787 people, have Centurylink DSL internet available to them in the county. The company covers the west, south, southwest, central, southeast, east, and northwest Seminole County area. Centurylink is one of the largest internet service providers internet service providers in the US, with internet service available in some of Seminole County.
Centurylink DSL download speeds
Centurylink is below average when comparing download speeds to all other internet providers in Seminole County. Versus other DSL providers in the area, Centurylink DSL is the slowest. There are 6 different maximum speeds throughout Seminole County. The fastest plan anyone in Seminole County can order from Centurylink goes up to 140 Mbps, the slowest package only goes up to 10 Mbps, and the county-wide average maximum speed for Seminole County customers is up to 63 Mbps.
Show all download speeds
- 13.8% up to 140.0 Mbps
- 12.5% up to 100.0 Mbps
- 25.1% up to 80.0 Mbps
- 4.4% up to 60.0 Mbps
- 14.3% up to 40.0 Mbps
- 29.9% up to 10.0 Mbps
Centurylink DSL upload speeds
In Seminole County download speeds tend to be faster than than upload speeds for Centurylink DSL. Compared to other ISPs, Centurylink is the slowest where upload speeds are concerned, and the slowest compared to other Seminole County DSL providers. Centurylink offers 6 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 Seminole County is up to 100 Mbps. Some customers have slower plan choices, which only go up to 1.0 Mbps. On average, Centurylink customers can get speeds up to 8.1 Mbps.
Show all upload speeds
- 0.7% up to 100.0 Mbps
- 13.8% up to 20.0 Mbps
- 36.8% up to 10.0 Mbps
- 4.4% up to 5.0 Mbps
- 14.3% up to 3.0 Mbps
- 29.9% up to 1.0 Mbps
Seminole County DSL by Area
This information is most helpful to those looking for homes or considering moving to Seminole County or any of the areas nearby.
How does DSL internet in Seminole County compare to the rest of Florida?
DSL internet speeds in Seminole County are much faster versus the average speeds in Florida: 0.00 Mbps in Florida versus 73 Mbps in the county. The state has similar DSL availability compared to the county. Average DSL coverage in Florida is 0.00% versus 84.51% in Seminole County.
What zip codes have DSL internet?
DSL internet coverage varies by zip code and neighborhood. Some examples in or around Seminole 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
- Orange County, FL: less DSL coverage, slower speeds
- Lake County, FL: more DSL coverage, slower speeds
- Volusia County, FL: less DSL coverage, slower speeds
- Osceola County, FL: less DSL coverage, slower speeds
- Sumter County, FL: less DSL coverage, slower speeds
- Brevard County, FL: less DSL coverage, faster speeds
- Polk County, FL: less DSL coverage, slower speeds
- Flagler County, FL: more DSL coverage, faster speeds
- Marion County, FL: more DSL coverage, slower speeds
- Putnam County, FL: less DSL coverage, faster speeds
Counties with Similar Populations
- Sedgwick County, KS: less DSL coverage, slower speeds
- Lane County, OR: more DSL coverage, faster speeds
- Lehigh County, PA: less DSL coverage, faster speeds
- Lucas County, OH: less DSL coverage, slower speeds
- Madison County, AL: less DSL coverage, slower speeds
- Manatee County, FL: less DSL coverage, slower speeds
- Marion County, FL: more DSL coverage, slower speeds
- Mercer County, NJ: less DSL coverage, slower speeds
- Monterey County, CA: more DSL coverage, slower speeds
- Montgomery County, OH: less DSL coverage, slower speeds