In St. Tammany Parish there are 2 residential DSL providers covering 85.70% of the county. The average home can get speeds up to 68 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. Tammany Parish, LA.
To see availability maps for all providers including fiber, cable, DSL, and more in St. Tammany Parish, LA please click below.
St. Tammany Parish, LA Availability Maps
DSL Internet Service Providers in St. Tammany Parish
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. Tammany Parish are not shown.
St. Tammany Parish 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. Tammany Parish is DSL internet available?
DSL Internet Availability Key
DSL is available in 85.70% of St. Tammany Parish. 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. Tammany Parish above to see who has service at your home.
How fast is DSL internet in St. Tammany Parish?
The map below shows maximum DSL internet speeds by area in St. Tammany Parish.
DSL Internet Speed Key
The average St. Tammany Parish home can get up to 68 Mbps on their DSL internet plan. The fastest DSL download speed in the county is 500 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, 9.85% 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. Tammany Parish.
DSL internet speeds tend to be faster in the northeast parts of St. Tammany Parish, and slower in the north areas of the county.
Is DSL the fastest internet I can get in St. Tammany Parish?
The fastest internet for you may vary based on where in St. Tammany Parish you live. In general, fiber competes most often with DSL in the county.
- Fiber is the fastest internet type for 73.92% of St. Tammany Parish homes.
- Cable is fastest for 24.99% 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 St. Tammany Parish homes.
DSL Providers in Depth
Below you'll find which TV and internet providers offer service in St. Tammany Parish, along with details on where in St. Tammany Parish and at what speeds.
AT&T DSL in St. Tammany Parish, LA
AT&T DSL coverage
About 85.69%, or 226,711 people, have AT&T DSL internet available to them in the county. The company covers the entire St. Tammany Parish area. AT&T is one of the largest internet service providers internet service providers in the US, with internet service available in most of St. Tammany Parish.
AT&T DSL download speeds
AT&T is below average when comparing download speeds to all other internet providers in St. Tammany Parish. Versus other DSL providers in the area, AT&T DSL is one of the slowest. There are 5 different maximum speeds throughout St. Tammany Parish. The fastest plan anyone in St. Tammany Parish 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. Tammany Parish customers is up to 68 Mbps.
Show all download speeds
- 44.9% up to 100.0 Mbps
- 9.9% up to 75.0 Mbps
- 22.6% up to 50.0 Mbps
- 11.0% up to 25.0 Mbps
- 11.5% up to 10.0 Mbps
AT&T DSL upload speeds
In St. Tammany Parish 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 St. Tammany Parish 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. Tammany Parish 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
- 54.8% up to 20.0 Mbps
- 22.6% up to 10.0 Mbps
- 11.0% up to 5.0 Mbps
- 11.5% up to 1.0 Mbps
EarthLink DSL in St. Tammany Parish, LA
EarthLink DSL coverage
About 85.69%, or 226,711 people, have EarthLink DSL internet available to them in the county. The company covers the entire St. Tammany Parish area. EarthLink is one of the largest internet service providers internet service providers in the US, with internet service available in most of St. Tammany Parish.
EarthLink DSL download speeds
EarthLink is below average when comparing download speeds to all other internet providers in St. Tammany Parish. Versus other DSL providers in the area, EarthLink DSL is one of the slowest. There are 5 different maximum speeds throughout St. Tammany Parish. The fastest plan anyone in St. Tammany Parish 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. Tammany Parish customers is up to 68 Mbps.
Show all download speeds
- 44.9% up to 100.0 Mbps
- 9.9% up to 75.0 Mbps
- 22.6% up to 50.0 Mbps
- 11.0% up to 25.0 Mbps
- 11.5% up to 10.0 Mbps
EarthLink DSL upload speeds
In St. Tammany Parish 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 St. Tammany Parish 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. Tammany Parish 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
- 54.8% up to 20.0 Mbps
- 22.6% up to 10.0 Mbps
- 11.0% up to 5.0 Mbps
- 11.5% up to 1.0 Mbps
St. Tammany Parish DSL by Area
This information is most helpful to those looking for homes or considering moving to St. Tammany Parish or any of the areas nearby.
How does DSL internet in St. Tammany Parish compare to the rest of Louisiana?
DSL internet speeds in St. Tammany Parish are much faster versus the average speeds in Louisiana: 0.00 Mbps in Louisiana versus 68 Mbps in the county. The state has similar DSL availability compared to the county. Average DSL coverage in Louisiana is 0.00% versus 85.70% in St. Tammany Parish.
What zip codes have DSL internet?
DSL internet coverage varies by zip code and neighborhood. Some examples in or around St. Tammany Parish 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
- Hancock County, MS: less DSL coverage, slower speeds
- Livingston Parish, LA: less DSL coverage, faster speeds
- Harrison County, MS: less DSL coverage, slower speeds
- Ascension Parish, LA: less DSL coverage, slower speeds
- East Baton Rouge Parish, LA: more DSL coverage, slower speeds
- Iberville Parish, LA: less DSL coverage, slower speeds
- Jackson County, MS: more DSL coverage, slower speeds
- West Baton Rouge Parish, LA: less DSL coverage, slower speeds
- St. Martin Parish, LA: less DSL coverage, slower speeds
- Acadia Parish, LA: less DSL coverage, slower speeds
Counties with Similar Populations
- Warren County, OH: less DSL coverage, slower speeds
- Canyon County, ID: more DSL coverage, faster speeds
- Champaign County, IL: less DSL coverage, faster speeds
- Chesterfield County, VA: less DSL coverage, slower speeds
- Delaware County, OH: less DSL coverage, slower speeds
- Deschutes County, OR: more DSL coverage, faster speeds
- Dona Ana County, NM: more DSL coverage, faster speeds
- Dutchess County, NY: less DSL coverage, slower speeds
- Elkhart County, IN: less DSL coverage, slower speeds
- Ellis County, TX: less DSL coverage, slower speeds