In Nassau County there are 3 residential DSL providers covering 77.73% of the county. The average home can get speeds up to 100 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 Nassau County, FL.
To see availability maps for all providers including fiber, cable, DSL, and more in Nassau County, FL please click below.
Nassau County, FL Availability Maps
DSL Internet Service Providers in Nassau 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 Nassau County are not shown.
Nassau 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 Nassau County is DSL internet available?
DSL Internet Availability Key
DSL is available in 77.73% of Nassau County. Areas in green have DSL internet service, where areas in yellow or red may not. The most widely available provider is Windstream. Call one of the companies with service in Nassau County above to see who has service at your home.
How fast is DSL internet in Nassau County?
The map below shows maximum DSL internet speeds by area in Nassau County.
DSL Internet Speed Key
The average Nassau County home can get up to 100 Mbps on their DSL internet plan. The fastest DSL download speed in the county is 300 Mbps, which 3.64% of residents can get. Some homes and apartments do not have access to these speeds. On the slower end, for example, 10.58% of homes can only purchase plans up to 10 Mbps. See the internet provider details below for info about their speed and coverage in Nassau County.
DSL internet speeds tend to be faster in the northwest parts of Nassau County, and slower in the east areas of the county.
Is DSL the fastest internet I can get in Nassau County?
The fastest internet for you may vary based on where in Nassau County you live. In general, fiber competes most often with DSL in the county.
- Fiber is the fastest internet type for 60.39% of Nassau County homes.
- Cable is fastest for 34.90% of the county.
- DSL is fastest for 1.08%.
- Fixed wireless is fastest for 2.78%.
- Satellite internet may be the only option for less than 1% of Nassau County homes.
DSL Providers in Depth
Below you'll find which TV and internet providers offer service in Nassau County, along with details on where in Nassau County and at what speeds.
AT&T DSL in Nassau County, FL
AT&T DSL coverage
About 48.62%, or 43,929 people, have AT&T DSL internet available to them in the county. The company covers the central, south, east, northeast, southeast, north, and southwest Nassau 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 Nassau County.
AT&T DSL download speeds
AT&T is below average when comparing download speeds to all other internet providers in Nassau County. Versus other DSL providers in the area, AT&T DSL is one of the slowest. There are 5 different maximum speeds throughout Nassau County. The fastest plan anyone in Nassau 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 Nassau County customers is up to 68 Mbps.
Show all download speeds
- 47.4% up to 100.0 Mbps
- 12.7% up to 75.0 Mbps
- 14.8% up to 50.0 Mbps
- 8.1% up to 25.0 Mbps
- 17.1% up to 10.0 Mbps
AT&T DSL upload speeds
In Nassau 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 slowest compared to other Nassau 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 Nassau 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 14 Mbps.
Show all upload speeds
- 60.0% up to 20.0 Mbps
- 14.8% up to 10.0 Mbps
- 8.1% up to 5.0 Mbps
- 17.1% up to 1.0 Mbps
EarthLink DSL in Nassau County, FL
EarthLink DSL coverage
About 48.62%, or 43,929 people, have EarthLink DSL internet available to them in the county. The company covers the central, south, east, northeast, southeast, north, and southwest Nassau County area. EarthLink is one of the largest internet service providers internet service providers in the US, with internet service available in some of Nassau County.
EarthLink DSL download speeds
EarthLink is below average when comparing download speeds to all other internet providers in Nassau County. Versus other DSL providers in the area, EarthLink DSL is one of the slowest. There are 5 different maximum speeds throughout Nassau County. The fastest plan anyone in Nassau 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 Nassau County customers is up to 68 Mbps.
Show all download speeds
- 47.4% up to 100.0 Mbps
- 12.7% up to 75.0 Mbps
- 14.8% up to 50.0 Mbps
- 8.1% up to 25.0 Mbps
- 17.1% up to 10.0 Mbps
EarthLink DSL upload speeds
In Nassau 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 slowest compared to other Nassau 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 Nassau 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 14 Mbps.
Show all upload speeds
- 60.0% up to 20.0 Mbps
- 14.8% up to 10.0 Mbps
- 8.1% up to 5.0 Mbps
- 17.1% up to 1.0 Mbps
Windstream DSL in Nassau County, FL
Windstream DSL coverage
About 29.54%, or 26,693 people, have Windstream DSL internet available to them in the county. The company covers the southwest, northwest, south, west, central, and north Nassau County area. Windstream is one of the largest internet service providers internet service providers in the US, with internet service available in a small portion of Nassau County.
Windstream DSL download speeds
Windstream is below average when comparing download speeds to all other internet providers in Nassau County. Versus other DSL providers in the area, Windstream DSL is the fastest. There are 6 different maximum speeds throughout Nassau County. The fastest plan anyone in Nassau County can order from Windstream goes up to 300 Mbps, the slowest package only goes up to 10 Mbps, and the county-wide average maximum speed for Nassau County customers is up to 152 Mbps.
Show all download speeds
- 12.3% up to 300.0 Mbps
- 40.7% up to 200.0 Mbps
- 29.3% up to 100.0 Mbps
- 5.1% up to 50.0 Mbps
- 3.8% up to 25.0 Mbps
- 8.8% up to 10.0 Mbps
Windstream DSL upload speeds
In Nassau County download speeds tend to be faster than than upload speeds for Windstream DSL. Compared to other ISPs, Windstream is below average where upload speeds are concerned, and the fastest compared to other Nassau County DSL providers. Windstream offers 15 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 Nassau County is up to 83 Mbps. Some customers have slower plan choices, which only go up to 1.0 Mbps. On average, Windstream customers can get speeds up to 44 Mbps.
Show all upload speeds
- 14.0% up to 83.0 Mbps
- 0.2% up to 80.0 Mbps
- 1.2% up to 69.0 Mbps
- 51.0% up to 52.0 Mbps
- 2.2% up to 50.0 Mbps
- 0.2% up to 40.0 Mbps
- 2.2% up to 32.0 Mbps
- 7.5% up to 23.0 Mbps
- 0.5% up to 20.0 Mbps
- 3.3% up to 17.0 Mbps
- 0.1% up to 15.0 Mbps
- 1.7% up to 12.0 Mbps
- 1.7% up to 10.0 Mbps
- 5.5% up to 3.0 Mbps
- 8.8% up to 1.0 Mbps
Nassau County DSL by Area
This information is most helpful to those looking for homes or considering moving to Nassau County or any of the areas nearby.
How does DSL internet in Nassau County compare to the rest of Florida?
DSL internet speeds in Nassau County are much faster versus the average speeds in Florida: 0.00 Mbps in Florida versus 100 Mbps in the county. The state has similar DSL availability compared to the county. Average DSL coverage in Florida is 0.00% versus 77.73% in Nassau County.
What zip codes have DSL internet?
DSL internet coverage varies by zip code and neighborhood. Some examples in or around Nassau 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
- Charlton County, GA: more DSL coverage, faster speeds
- Hamilton County, FL: more DSL coverage, faster speeds
- Echols County, GA: less DSL coverage, slower speeds
- Jefferson County, FL: more DSL coverage, slower speeds
- Gadsden County, FL: less DSL coverage, slower speeds
- Jackson County, FL: more DSL coverage, slower speeds
- Washington County, FL: less DSL coverage, slower speeds
- Walton County, FL: more DSL coverage, slower speeds
- Okaloosa County, FL: more DSL coverage, slower speeds
- Santa Rosa County, FL: more DSL coverage, slower speeds
Counties with Similar Populations
- Josephine County, OR: more DSL coverage, slower speeds
- Crawford County, PA: less DSL coverage, faster speeds
- Cullman County, AL: less DSL coverage, slower speeds
- Dallas County, IA: more DSL coverage, slower speeds
- Dodge County, WI: less DSL coverage, slower speeds
- Floyd County, IN: less DSL coverage, slower speeds
- Franklin County, WA: more DSL coverage, slower speeds
- Frederick County, VA: less DSL coverage, slower speeds
- Garland County, AR: less DSL coverage, slower speeds
- Glynn County, GA: more DSL coverage, slower speeds