In Terrebonne Parish there are 2 residential DSL providers covering 86.47% 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 Terrebonne Parish, LA.
To see availability maps for all providers including fiber, cable, DSL, and more in Terrebonne Parish, LA please click below.
Terrebonne Parish, LA Availability Maps
DSL Internet Service Providers in Terrebonne 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 Terrebonne Parish are not shown.
Terrebonne 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 Terrebonne Parish is DSL internet available?
DSL Internet Availability Key
DSL is available in 86.47% of Terrebonne 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 Terrebonne Parish above to see who has service at your home.
How fast is DSL internet in Terrebonne Parish?
The map below shows maximum DSL internet speeds by area in Terrebonne Parish.
DSL Internet Speed Key
The average Terrebonne Parish home can get up to 73 Mbps on their DSL internet plan. The fastest DSL download speed in the county is 100 Mbps, which 45.20% of residents can get. Some homes and apartments do not have access to these speeds. On the slower end, for example, 9.96% of homes can only purchase plans up to 10 Mbps. See the internet provider details below for info about their speed and coverage in Terrebonne Parish.
DSL internet speeds tend to be faster in the southwest parts of Terrebonne Parish, and slower in the southeast areas of the county.
Is DSL the fastest internet I can get in Terrebonne Parish?
The fastest internet for you may vary based on where in Terrebonne Parish you live. In general, fiber competes most often with DSL in the county.
- Fiber is the fastest internet type for 61.56% of Terrebonne Parish homes.
- Cable is fastest for 37.76% 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 Terrebonne Parish homes.
DSL Providers in Depth
Below you'll find which TV and internet providers offer service in Terrebonne Parish, along with details on where in Terrebonne Parish and at what speeds.
AT&T DSL in Terrebonne Parish, LA
AT&T DSL coverage
About 86.47%, or 94,759 people, have AT&T DSL internet available to them in the county. The company covers the entire Terrebonne 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 Terrebonne Parish.
AT&T DSL download speeds
AT&T is below average when comparing download speeds to all other internet providers in Terrebonne Parish. Versus other DSL providers in the area, AT&T DSL is one of the fastest. There are 5 different maximum speeds throughout Terrebonne Parish. The fastest plan anyone in Terrebonne 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 Terrebonne Parish customers is up to 73 Mbps.
Show all download speeds
- 52.3% up to 100.0 Mbps
- 11.6% up to 75.0 Mbps
- 17.2% up to 50.0 Mbps
- 7.4% up to 25.0 Mbps
- 11.5% up to 10.0 Mbps
AT&T DSL upload speeds
In Terrebonne 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 fastest compared to other Terrebonne 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 Terrebonne 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 15 Mbps.
Show all upload speeds
- 63.9% up to 20.0 Mbps
- 17.2% up to 10.0 Mbps
- 7.4% up to 5.0 Mbps
- 11.5% up to 1.0 Mbps
EarthLink DSL in Terrebonne Parish, LA
EarthLink DSL coverage
About 86.47%, or 94,759 people, have EarthLink DSL internet available to them in the county. The company covers the entire Terrebonne Parish area. EarthLink is one of the largest internet service providers internet service providers in the US, with internet service available in most of Terrebonne Parish.
EarthLink DSL download speeds
EarthLink is below average when comparing download speeds to all other internet providers in Terrebonne Parish. Versus other DSL providers in the area, EarthLink DSL is one of the fastest. There are 5 different maximum speeds throughout Terrebonne Parish. The fastest plan anyone in Terrebonne 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 Terrebonne Parish customers is up to 73 Mbps.
Show all download speeds
- 52.3% up to 100.0 Mbps
- 11.6% up to 75.0 Mbps
- 17.2% up to 50.0 Mbps
- 7.4% up to 25.0 Mbps
- 11.5% up to 10.0 Mbps
EarthLink DSL upload speeds
In Terrebonne 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 fastest compared to other Terrebonne 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 Terrebonne 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 15 Mbps.
Show all upload speeds
- 63.9% up to 20.0 Mbps
- 17.2% up to 10.0 Mbps
- 7.4% up to 5.0 Mbps
- 11.5% up to 1.0 Mbps
Terrebonne Parish DSL by Area
This information is most helpful to those looking for homes or considering moving to Terrebonne Parish or any of the areas nearby.
How does DSL internet in Terrebonne Parish compare to the rest of Louisiana?
DSL internet speeds in Terrebonne Parish are much faster versus the average speeds in Louisiana: 0.00 Mbps in Louisiana versus 73 Mbps in the county. The state has similar DSL availability compared to the county. Average DSL coverage in Louisiana is 0.00% versus 86.47% in Terrebonne Parish.
What zip codes have DSL internet?
DSL internet coverage varies by zip code and neighborhood. Some examples in or around Terrebonne 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
- Lafourche Parish, LA: less DSL coverage, faster speeds
- St. James Parish, LA: more DSL coverage, slower speeds
- Assumption Parish, LA: less DSL coverage, slower speeds
- St. Charles Parish, LA: less DSL coverage, slower speeds
- St. John the Baptist Parish, LA: less DSL coverage, slower speeds
- St. Mary Parish, LA: more DSL coverage, slower speeds
- Jefferson Parish, LA: more DSL coverage, slower speeds
- Orleans Parish, LA: less DSL coverage, slower speeds
- Plaquemines Parish, LA: less DSL coverage, slower speeds
- St. Bernard Parish, LA: more DSL coverage, faster speeds
Counties with Similar Populations
- Missoula County, MT: more DSL coverage, slower speeds
- Eaton County, MI: less DSL coverage, slower speeds
- Fayette County, GA: more DSL coverage, slower speeds
- Gallatin County, MT: less DSL coverage, slower speeds
- Henderson County, NC: less DSL coverage, slower speeds
- Jefferson County, NY: less DSL coverage, slower speeds
- LaPorte County, IN: less DSL coverage, slower speeds
- Lowndes County, GA: less DSL coverage, slower speeds
- Matanuska-Susitna Borough, AK: more DSL coverage, faster speeds
- Mercer County, PA: less DSL coverage, slower speeds