In St. Mary Parish there are 3 residential Fiber providers covering 22.01% of the county. The average home can get speeds up to 4,147 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 Fiber internet providers in St. Mary Parish, LA.
To see availability maps for all providers including fiber, cable, DSL, and more in St. Mary Parish, LA please click below.
St. Mary Parish, LA Availability Maps
Fiber Internet Service Providers in St. Mary 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. Mary Parish are not shown.
St. Mary 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. Mary Parish is fiber internet available?
Fiber Internet Availability Key
Fiber is available in 22.01% of St. Mary Parish. Areas in green have fiber 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. Mary Parish above to see who has service at your home.
How fast is fiber internet in St. Mary Parish?
The map below shows maximum fiber internet speeds by area in St. Mary Parish.
Fiber Internet Speed Key
The average St. Mary Parish home can get up to 4,147 Mbps on their fiber internet plan. The fastest fiber download speed in the county is 5,000 Mbps, which 17.31% of residents can get. Some homes and apartments do not have access to these speeds. On the slower end, for example, 4.69% of homes can only purchase plans up to 1,000 Mbps. See the internet provider details below for info about their speed and coverage in St. Mary Parish.
Fiber internet speeds tend to be faster in the east parts of St. Mary Parish, and slower in the central areas of the county.
Is fiber the fastest internet I can get in St. Mary Parish?
The fastest internet for you may vary based on where in St. Mary Parish you live. In general, cable competes most often with fiber in the county.
- Fiber is the fastest internet type for 22.01% of St. Mary Parish homes.
- Cable is fastest for 70.56% of the county.
- DSL is fastest for less than 1%.
- Fixed wireless is fastest for 6.79%.
- Satellite internet may be the only option for less than 1% of St. Mary Parish homes.
Fiber Providers in Depth
Below you'll find which TV and internet providers offer service in St. Mary Parish, along with details on where in St. Mary Parish and at what speeds.
EarthLink Fiber in St. Mary Parish, LA
EarthLink fiber coverage
About 18.33%, or 9,054 people, have EarthLink fiber internet available to them in the county. The company covers the east and southeast St. Mary Parish area. EarthLink is one of the largest internet service providers internet service providers in the US, with internet service available in a small portion of St. Mary Parish.
EarthLink fiber download speeds
EarthLink is one of the fastest when comparing download speeds to all other internet providers in St. Mary Parish. Versus other fiber providers in the area, EarthLink fiber is one of the fastest. There are 2 different maximum speeds throughout St. Mary Parish. The fastest plan anyone in St. Mary Parish can order from EarthLink goes up to 5,000 Mbps, the slowest package only goes up to 1,000 Mbps, and the county-wide average maximum speed for St. Mary Parish customers is up to 4,779 Mbps.
Show all download speeds
- 94.5% up to 5,000.0 Mbps
- 5.5% up to 1,000.0 Mbps
EarthLink fiber upload speeds
In St. Mary Parish download speeds tend to be equal to than upload speeds for EarthLink fiber. Compared to other ISPs, EarthLink is one of the fastest where upload speeds are concerned, and one of the fastest compared to other St. Mary Parish fiber providers. EarthLink offers 2 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. Mary Parish is up to 5,000 Mbps. Some customers have slower plan choices, which only go up to 1,000 Mbps. On average, EarthLink customers can get speeds up to 4,779 Mbps.
Show all upload speeds
- 94.5% up to 5,000.0 Mbps
- 5.5% up to 1,000.0 Mbps
AT&T Fiber in St. Mary Parish, LA
AT&T fiber coverage
About 18.33%, or 9,054 people, have AT&T fiber internet available to them in the county. The company covers the east and southeast St. Mary Parish area. AT&T is one of the largest internet service providers internet service providers in the US, with internet service available in a small portion of St. Mary Parish.
AT&T fiber download speeds
AT&T is one of the fastest when comparing download speeds to all other internet providers in St. Mary Parish. Versus other fiber providers in the area, AT&T fiber is one of the fastest. There are 2 different maximum speeds throughout St. Mary Parish. The fastest plan anyone in St. Mary Parish can order from AT&T goes up to 5,000 Mbps, the slowest package only goes up to 1,000 Mbps, and the county-wide average maximum speed for St. Mary Parish customers is up to 4,779 Mbps.
Show all download speeds
- 94.5% up to 5,000.0 Mbps
- 5.5% up to 1,000.0 Mbps
AT&T fiber upload speeds
In St. Mary Parish download speeds tend to be equal to than upload speeds for AT&T fiber. Compared to other ISPs, AT&T is one of the fastest where upload speeds are concerned, and one of the fastest compared to other St. Mary Parish fiber providers. AT&T offers 2 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. Mary Parish is up to 5,000 Mbps. Some customers have slower plan choices, which only go up to 1,000 Mbps. On average, AT&T customers can get speeds up to 4,779 Mbps.
Show all upload speeds
- 94.5% up to 5,000.0 Mbps
- 5.5% up to 1,000.0 Mbps
Allens Communications Fiber in St. Mary Parish, LA
Allens Communications fiber coverage
About 11.21%, or 5,540 people, have Allens Communications fiber internet available to them in the county. The company covers the east, southeast, and central St. Mary Parish area. Allens Communications is a large internet service provider internet service providers in the US, with internet service available in a very small piece of St. Mary Parish.
Allens Communications fiber download speeds
Allens Communications is below average when comparing download speeds to all other internet providers in St. Mary Parish. Versus other fiber providers in the area, Allens Communications fiber is the slowest. There are no different maximum speeds throughout St. Mary Parish. The fastest plan anyone in St. Mary Parish can order from Allens Communications goes up to 1,000 Mbps, and all St. Mary Parish customers can get this speed.
Show all download speeds
- 100.0% up to 1,000.0 Mbps
Allens Communications fiber upload speeds
In St. Mary Parish download speeds tend to be equal to than upload speeds for Allens Communications fiber. Compared to other ISPs, Allens Communications is above average where upload speeds are concerned, and the slowest compared to other St. Mary Parish fiber providers. Allens Communications offers no different upload speeds across the county. The fastest upload speed available to anyone from this ISP in St. Mary Parish is up to 1,000 Mbps, which is available to everyone covered.
Show all upload speeds
- 100.0% up to 1,000.0 Mbps
St. Mary Parish Fiber by Area
This information is most helpful to those looking for homes or considering moving to St. Mary Parish or any of the areas nearby.
How does fiber internet in St. Mary Parish compare to the rest of Louisiana?
Fiber internet speeds in St. Mary Parish are much faster versus the average speeds in Louisiana: 0.00 Mbps in Louisiana versus 4,147 Mbps in the county. The state has similar fiber availability compared to the county. Average fiber coverage in Louisiana is 0.00% versus 22.01% in St. Mary Parish.
What zip codes have fiber internet?
Fiber internet coverage varies by zip code and neighborhood. Some examples in or around St. Mary Parish are shown below. You can enter any zip code here to see TV and internet providers by zip code.
What does fiber 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
- Assumption Parish, LA: less fiber coverage, slower speeds
- Iberia Parish, LA: more fiber coverage, faster speeds
- Iberville Parish, LA: more fiber coverage, slower speeds
- Terrebonne Parish, LA: more fiber coverage, faster speeds
- St. James Parish, LA: less fiber coverage, slower speeds
- Lafourche Parish, LA: more fiber coverage, slower speeds
- Ascension Parish, LA: more fiber coverage, slower speeds
- St. Martin Parish, LA: more fiber coverage, slower speeds
- Vermilion Parish, LA: more fiber coverage, faster speeds
- Lafayette Parish, LA: more fiber coverage, faster speeds
Counties with Similar Populations
- Cortland County, NY: more fiber coverage, slower speeds
- Upshur County, TX: more fiber coverage, slower speeds
- Val Verde County, TX: more fiber coverage, faster speeds
- Vance County, NC: more fiber coverage, slower speeds
- Vega Baja Municipio, PR: more fiber coverage, slower speeds
- Venango County, PA: less fiber coverage, slower speeds
- Waldo County, ME: more fiber coverage, slower speeds
- Warren County, TN: more fiber coverage, slower speeds
- Delaware County, OK: more fiber coverage, slower speeds
- Darke County, OH: more fiber coverage, faster speeds