In St. Mary Parish there are 9 residential internet providers covering 99.42% of the county. The average home can get speeds up to 2,181 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.
Jump to Availability Maps
9 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
Availability maps for all providers in St. Mary Parish
Using the dropdown below, please select a provider. Green indicates nearly all homes have service, red indicates few homes have service, and blank indicates no service.
Please note some providers will take longer to load than others
Internet service is available in 99.42% of St. Mary Parish. Using our interactive availability map, you can compare service areas for different providers, we include fiber, cable, DSL, or fixed wireless internet service for all providers who offer it. You will notice that some providers might be listed multiple times for each service. If you find no providers cover the location you're looking at, you can opt for satellite service. The most widely available provider is Cox. Now you can call companies in St. Mary Parish with more confidence that they might be available.
How fast are internet speeds in St. Mary Parish?
The map below shows maximum internet speeds by area in St. Mary Parish.
Internet Speed Key
The average St. Mary Parish home can get up to 2,181 Mbps on their internet plan. For most people, the fastest 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, 4.05% of homes can only purchase plans up to 25 Mbps. See the internet provider details below for info about their speed and coverage in St. Mary Parish.
Internet speeds tend to be faster in the east parts of St. Mary Parish, and slower in the west areas of the county.
What type of internet should I choose in St. Mary Parish?
The fastest internet for you may vary based on where in St. Mary Parish you live. If speed is your main concern, cable will be the fastest internet 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.
Internet Market Health in St. Mary Parish
Internet Competition Key
The map shows how competitive the St. Mary Parish internet service market is. Areas in green have more alternatives, areas in yellow have a few choices, and areas in red may have only one provider. More competition usually means faster speeds and better prices for you, the customer.
Below are quick facts on internet competition and market health in St. Mary Parish based on what connections the average home has availabile:
- Average number of internet service providers to a home: 6.0 (healthy)
- Average types of service (fiber, cable, DSL, etc): 3.0 (healthy)
- Average providers with broadband (25 Mbps+) speeds: 5.0 (healthy)
Overall, competition is healthy.
St. Mary Parish internet customers have the ability to buy internet service from 1 to 10 different providers, depending on where they live. For different types of service, St. Mary Parish homes have between 1 and 4 options. The type(s) of service available are fixed wireless, cable, dsl, and fiber, though these may vary depending on the region within the county.
When it comes to broadband download speeds faster than 25 Mbps, the situation is worse. St. Mary Parish internet customers who want faster speeds have between 1 and 10 choices of companies offering speeds up to or over 25 Mbps.
More internet companies with faster speeds means fewer monopolies and better prices for customers. In promoting a free market for internet, St. Mary Parish is doing better than most.
TV & Internet 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.
AT&T DSL in St. Mary Parish, LA
AT&T DSL coverage
About 88.26%, or 43,606 people, have AT&T DSL internet available to them in the county. The company covers the east, northwest, south, southeast, central, north, and west 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 most of St. Mary Parish.
AT&T DSL download speeds
AT&T is below average when comparing download speeds to all other internet providers in St. Mary Parish. Versus other DSL providers in the area, AT&T DSL is one of the fastest. There are 5 different maximum speeds throughout St. Mary Parish. The fastest plan anyone in St. Mary 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. Mary Parish customers is up to 36 Mbps.
Show all download speeds
- 18.5% up to 100.0 Mbps
- 6.1% up to 75.0 Mbps
- 11.3% up to 50.0 Mbps
- 3.6% up to 25.0 Mbps
- 60.6% up to 10.0 Mbps
AT&T DSL upload speeds
In St. Mary 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 St. Mary 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. Mary 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 6.8 Mbps.
Show all upload speeds
- 24.6% up to 20.0 Mbps
- 11.3% up to 10.0 Mbps
- 3.6% up to 5.0 Mbps
- 60.6% up to 1.0 Mbps
EarthLink DSL in St. Mary Parish, LA
EarthLink DSL coverage
About 88.26%, or 43,606 people, have EarthLink DSL internet available to them in the county. The company covers the east, northwest, south, southeast, central, north, and west St. Mary 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. Mary Parish.
EarthLink DSL download speeds
EarthLink is below average when comparing download speeds to all other internet providers in St. Mary Parish. Versus other DSL providers in the area, EarthLink DSL is one of the fastest. There are 5 different maximum speeds throughout St. Mary Parish. The fastest plan anyone in St. Mary 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. Mary Parish customers is up to 36 Mbps.
Show all download speeds
- 18.5% up to 100.0 Mbps
- 6.1% up to 75.0 Mbps
- 11.3% up to 50.0 Mbps
- 3.6% up to 25.0 Mbps
- 60.6% up to 10.0 Mbps
EarthLink DSL upload speeds
In St. Mary 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 St. Mary 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. Mary 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 6.8 Mbps.
Show all upload speeds
- 24.6% up to 20.0 Mbps
- 11.3% up to 10.0 Mbps
- 3.6% up to 5.0 Mbps
- 60.6% up to 1.0 Mbps
Cox Communications Cable in St. Mary Parish, LA
Cox cable coverage
About 54.72%, or 27,037 people, have Cox cable internet available to them in the county. The company covers the northwest, south, central, north, and southeast St. Mary Parish area. Cox is one of the largest internet service providers internet service providers in the US, with internet service available in a majority of St. Mary Parish.
Cox Communications cable download speeds
Cox is above average when comparing download speeds to all other internet providers in St. Mary Parish. Versus other cable providers in the area, Cox cable is the fastest. There are no different maximum speeds throughout St. Mary Parish. The fastest plan anyone in St. Mary Parish can order from Cox goes up to 2,000 Mbps, and all St. Mary Parish customers can get this speed.
Show all download speeds
- 100.0% up to 2,000.0 Mbps
Cox Communications cable upload speeds
In St. Mary Parish download speeds tend to be faster than than upload speeds for Cox cable. Compared to other ISPs, Cox is below average where upload speeds are concerned, and above average compared to other St. Mary Parish cable providers. Cox 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 100 Mbps. Some customers have slower plan choices, which only go up to 35 Mbps. On average, Cox customers can get speeds up to 41 Mbps.
Show all upload speeds
- 9.6% up to 100.0 Mbps
- 90.4% up to 35.0 Mbps
Allens Communications Cable in St. Mary Parish, LA
Allens Communications cable coverage
About 34.38%, or 16,988 people, have Allens Communications cable 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 small portion of St. Mary Parish.
Allens Communications cable download speeds
Allens Communications is below average when comparing download speeds to all other internet providers in St. Mary Parish. Versus other cable providers in the area, Allens Communications cable is below average. 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 cable upload speeds
In St. Mary Parish download speeds tend to be faster than than upload speeds for Allens Communications cable. Compared to other ISPs, Allens Communications is below average where upload speeds are concerned, and the fastest compared to other St. Mary Parish cable 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 50 Mbps, which is available to everyone covered.
Show all upload speeds
- 100.0% up to 50.0 Mbps
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
Spectrum Cable in St. Mary Parish, LA
Spectrum cable coverage
About 4.32%, or 2,132 people, have Spectrum cable internet available to them in the county. The company covers the southeast St. Mary Parish area. Spectrum is one of the largest internet service providers internet service providers in the US, with internet service available in a very small piece of St. Mary Parish.
Spectrum cable download speeds
Spectrum is below average when comparing download speeds to all other internet providers in St. Mary Parish. Versus other cable providers in the area, Spectrum cable is below average. There are no different maximum speeds throughout St. Mary Parish. The fastest plan anyone in St. Mary Parish can order from Spectrum 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
Spectrum cable upload speeds
In St. Mary Parish download speeds tend to be faster than than upload speeds for Spectrum cable. Compared to other ISPs, Spectrum is below average where upload speeds are concerned, and average compared to other St. Mary Parish cable providers. Spectrum 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 35 Mbps, which is available to everyone covered.
Show all upload speeds
- 100.0% up to 35.0 Mbps
T-Mobile Home Internet Fixed Wireless in St. Mary Parish, LA
T-Mobile Home Internet fixed wireless coverage
About 96.50%, or 47,677 people, have T-Mobile Home Internet fixed wireless internet available to them in the county. The company covers the entire St. Mary Parish area. T-Mobile Home Internet is one of the largest internet service providers internet service providers in the US, with internet service available in most of St. Mary Parish.
T-Mobile Home Internet fixed wireless download speeds
T-Mobile Home Internet is below average when comparing download speeds to all other internet providers in St. Mary Parish. Versus other fixed wireless providers in the area, T-Mobile Home Internet fixed wireless is the fastest. There are 2 different maximum speeds throughout St. Mary Parish. The fastest plan anyone in St. Mary Parish can order from T-Mobile Home Internet goes up to 100 Mbps, the slowest package only goes up to 25 Mbps, and the county-wide average maximum speed for St. Mary Parish customers is up to 52 Mbps.
Show all download speeds
- 36.6% up to 100.0 Mbps
- 63.4% up to 25.0 Mbps
T-Mobile Home Internet fixed wireless upload speeds
In St. Mary Parish download speeds tend to be faster than than upload speeds for T-Mobile Home Internet fixed wireless. Compared to other ISPs, T-Mobile Home Internet is below average where upload speeds are concerned, and the fastest compared to other St. Mary Parish fixed wireless providers. T-Mobile Home Internet 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 20 Mbps. Some customers have slower plan choices, which only go up to 3.0 Mbps. On average, T-Mobile Home Internet customers can get speeds up to 9.2 Mbps.
Show all upload speeds
- 36.6% up to 20.0 Mbps
- 63.4% up to 3.0 Mbps
Cajun Broadband Fixed Wireless in St. Mary Parish, LA
Cajun Broadband fixed wireless coverage
About 89.94%, or 44,435 people, have Cajun Broadband fixed wireless internet available to them in the county. The company covers the east, northwest, south, southeast, central, north, and west St. Mary Parish area. Cajun Broadband is a large internet service provider internet service providers in the US, with internet service available in most of St. Mary Parish.
Cajun Broadband fixed wireless download speeds
Cajun Broadband is the slowest when comparing download speeds to all other internet providers in St. Mary Parish. Versus other fixed wireless providers in the area, Cajun Broadband fixed wireless is the slowest. There are no different maximum speeds throughout St. Mary Parish. The fastest plan anyone in St. Mary Parish can order from Cajun Broadband goes up to 25 Mbps, and all St. Mary Parish customers can get this speed.
Show all download speeds
- 100.0% up to 25.0 Mbps
Cajun Broadband fixed wireless upload speeds
In St. Mary Parish download speeds tend to be faster than than upload speeds for Cajun Broadband fixed wireless. Compared to other ISPs, Cajun Broadband is the slowest where upload speeds are concerned, and the slowest compared to other St. Mary Parish fixed wireless providers. Cajun Broadband 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 5.0 Mbps, which is available to everyone covered.
Show all upload speeds
- 100.0% up to 5.0 Mbps
EarthLink Fixed Wireless in St. Mary Parish, LA
EarthLink fixed wireless coverage
About 48.46%, or 23,942 people, have EarthLink fixed wireless internet available to them in the county. The company covers the entire St. Mary Parish area. EarthLink is one of the largest internet service providers internet service providers in the US, with internet service available in some of St. Mary Parish.
EarthLink fixed wireless download speeds
EarthLink is below average when comparing download speeds to all other internet providers in St. Mary Parish. Versus other fixed wireless providers in the area, EarthLink fixed wireless is average. There are 3 different maximum speeds throughout St. Mary Parish. The fastest plan anyone in St. Mary 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. Mary Parish customers is up to 46 Mbps.
Show all download speeds
- 28.4% up to 100.0 Mbps
- 71.5% up to 25.0 Mbps
- 0.1% up to 10.0 Mbps
EarthLink fixed wireless upload speeds
In St. Mary Parish download speeds tend to be faster than than upload speeds for EarthLink fixed wireless. Compared to other ISPs, EarthLink is below average where upload speeds are concerned, and average compared to other St. Mary Parish fixed wireless providers. EarthLink offers 3 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 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 7.8 Mbps.
Show all upload speeds
- 28.4% up to 20.0 Mbps
- 71.5% up to 3.0 Mbps
- 0.1% up to 1.0 Mbps
AT&T Fixed Wireless in St. Mary Parish, LA
AT&T fixed wireless coverage
About 48.46%, or 23,942 people, have AT&T fixed wireless internet available to them in the county. The company covers the entire 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 some of St. Mary Parish.
AT&T fixed wireless download speeds
AT&T is below average when comparing download speeds to all other internet providers in St. Mary Parish. Versus other fixed wireless providers in the area, AT&T fixed wireless is average. There are 3 different maximum speeds throughout St. Mary Parish. The fastest plan anyone in St. Mary 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. Mary Parish customers is up to 46 Mbps.
Show all download speeds
- 28.4% up to 100.0 Mbps
- 71.5% up to 25.0 Mbps
- 0.1% up to 10.0 Mbps
AT&T fixed wireless upload speeds
In St. Mary Parish download speeds tend to be faster than than upload speeds for AT&T fixed wireless. Compared to other ISPs, AT&T is below average where upload speeds are concerned, and average compared to other St. Mary Parish fixed wireless providers. AT&T offers 3 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 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 7.8 Mbps.
Show all upload speeds
- 28.4% up to 20.0 Mbps
- 71.5% up to 3.0 Mbps
- 0.1% up to 1.0 Mbps
St. Mary Parish Internet 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 internet in St. Mary Parish compare to the rest of Louisiana?
Internet speeds in St. Mary Parish are slower versus the average speeds in Louisiana: 3,179 Mbps in Louisiana versus 2,181 Mbps in the county. The state has similar internet availability compared to the county. Average internet coverage in Louisiana is 97.64% versus 99.42% in St. Mary Parish.
What zip codes have widespread internet?
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 internet service 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 internet coverage, slower speeds
- Iberia Parish, LA: less internet coverage, faster speeds
- Iberville Parish, LA: less internet coverage, faster speeds
- Terrebonne Parish, LA: more internet coverage, faster speeds
- St. James Parish, LA: more internet coverage, slower speeds
- Lafourche Parish, LA: less internet coverage, slower speeds
- Ascension Parish, LA: more internet coverage, slower speeds
- St. Martin Parish, LA: less internet coverage, slower speeds
- Vermilion Parish, LA: less internet coverage, faster speeds
- Lafayette Parish, LA: more internet coverage, faster speeds
Counties with Similar Populations
- Cortland County, NY: less internet coverage, slower speeds
- Upshur County, TX: less internet coverage, slower speeds
- Val Verde County, TX: less internet coverage, faster speeds
- Vance County, NC: more internet coverage, slower speeds
- Vega Baja Municipio, PR: more internet coverage, slower speeds
- Venango County, PA: less internet coverage, slower speeds
- Waldo County, ME: less internet coverage, slower speeds
- Warren County, TN: more internet coverage, slower speeds
- Delaware County, OK: less internet coverage, slower speeds
- Darke County, OH: more internet coverage, faster speeds