In Port Sulphur there are 8 residential internet providers covering 92.29% of the city. The average home can get speeds up to 925 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
8 Internet Service Providers in Port Sulphur
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 Port Sulphur are not shown.
Port Sulphur 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 Port Sulphur
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 92.29% of Port Sulphur. 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 AT&T. Now you can call companies in Port Sulphur with more confidence that they might be available.
How fast are internet speeds in Port Sulphur?
The map below shows maximum internet speeds by area in Port Sulphur.
Internet Speed Key
The average Port Sulphur home can get up to 925 Mbps on their internet plan. For most people, the fastest download speed in the city is 5,000 Mbps, which 6.73% of residents can get. Some homes and apartments do not have access to these speeds. On the slower end, for example, 4.00% of homes can only purchase plans up to 25 Mbps. See the internet provider details below for info about their speed and coverage in Port Sulphur.
Internet speeds tend to be faster in the northwest parts of Port Sulphur, and slower in the east areas of the city.
What type of internet should I choose in Port Sulphur?
The fastest internet for you may vary based on where in Port Sulphur you live. If speed is your main concern, fixed wireless will be the fastest internet in the city.
- Fiber is the fastest internet type for 6.73% of Port Sulphur homes.
- Cable is fastest for 18.90% of the city.
- DSL is fastest for less than 1%.
- Fixed wireless is fastest for 66.65%.
- Satellite internet may be the only option for 7.71% of Port Sulphur homes.
Internet Market Health in Port Sulphur
Internet Competition Key
The map shows how competitive the Port Sulphur 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 Port Sulphur based on what connections the average home has availabile:
- Average number of internet service providers to a home: 3.4 (unhealthy)
- Average types of service (fiber, cable, DSL, etc): 1.5 (very unhealthy)
- Average providers with broadband (25 Mbps+) speeds: 3.4 (unhealthy)
Overall, competition is very unhealthy.
Port Sulphur internet customers have the ability to buy internet service from 1 to 8 different providers, depending on where they live. For different types of service, Port Sulphur homes have between 1 and 3 options. The type(s) of service available are fixed wireless, dsl, cable, and fiber, though these may vary depending on the region within the city.
When it comes to broadband download speeds faster than 25 Mbps, the situation is worse. Port Sulphur internet customers who want faster speeds have between 1 and 8 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, Port Sulphur badly needs improvement.
TV & Internet Providers in Depth
Below you'll find which TV and internet providers offer service in Port Sulphur, along with details on where in Port Sulphur and at what speeds.
EarthLink DSL in Port Sulphur, LA
EarthLink DSL coverage
About 23.14%, or 567 people, have EarthLink DSL internet available to them in the city. The company covers the northwest, central, southeast, and north Port Sulphur 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 Port Sulphur.
EarthLink DSL download speeds
EarthLink is below average when comparing download speeds to all other internet providers in Port Sulphur. Versus other DSL providers in the area, EarthLink DSL is one of the fastest. There are 4 different maximum speeds throughout Port Sulphur. The fastest plan anyone in Port Sulphur can order from EarthLink goes up to 100 Mbps, the slowest package only goes up to 10 Mbps, and the city-wide average maximum speed for Port Sulphur customers is up to 83 Mbps.
Show all download speeds
- 63.3% up to 100.0 Mbps
- 21.7% up to 75.0 Mbps
- 5.6% up to 50.0 Mbps
- 9.3% up to 10.0 Mbps
EarthLink DSL upload speeds
In Port Sulphur 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 Port Sulphur DSL providers. EarthLink offers 3 different upload speeds across the city, so your internet plan's upload speed may vary by neighborhood . The fastest upload speed available to anyone from this ISP in Port Sulphur 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 18 Mbps.
Show all upload speeds
- 85.0% up to 20.0 Mbps
- 5.6% up to 10.0 Mbps
- 9.3% up to 1.0 Mbps
AT&T DSL in Port Sulphur, LA
AT&T DSL coverage
About 23.14%, or 567 people, have AT&T DSL internet available to them in the city. The company covers the northwest, central, southeast, and north Port Sulphur 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 Port Sulphur.
AT&T DSL download speeds
AT&T is below average when comparing download speeds to all other internet providers in Port Sulphur. Versus other DSL providers in the area, AT&T DSL is one of the fastest. There are 4 different maximum speeds throughout Port Sulphur. The fastest plan anyone in Port Sulphur can order from AT&T goes up to 100 Mbps, the slowest package only goes up to 10 Mbps, and the city-wide average maximum speed for Port Sulphur customers is up to 83 Mbps.
Show all download speeds
- 63.3% up to 100.0 Mbps
- 21.7% up to 75.0 Mbps
- 5.6% up to 50.0 Mbps
- 9.3% up to 10.0 Mbps
AT&T DSL upload speeds
In Port Sulphur 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 Port Sulphur DSL providers. AT&T offers 3 different upload speeds across the city, so your internet plan's upload speed may vary by neighborhood . The fastest upload speed available to anyone from this ISP in Port Sulphur 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 18 Mbps.
Show all upload speeds
- 85.0% up to 20.0 Mbps
- 5.6% up to 10.0 Mbps
- 9.3% up to 1.0 Mbps
Cox Communications Cable in Port Sulphur, LA
Cox cable coverage
About 14.65%, or 359 people, have Cox cable internet available to them in the city. The company covers the northwest Port Sulphur area. Cox is one of the largest internet service providers internet service providers in the US, with internet service available in a very small piece of Port Sulphur.
Cox Communications cable download speeds
Cox is above average when comparing download speeds to all other internet providers in Port Sulphur. Versus other cable providers in the area, Cox cable is the fastest. There are no different maximum speeds throughout Port Sulphur. The fastest plan anyone in Port Sulphur can order from Cox goes up to 2,000 Mbps, and all Port Sulphur customers can get this speed.
Show all download speeds
- 100.0% up to 2,000.0 Mbps
Cox Communications cable upload speeds
In Port Sulphur 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 the fastest compared to other Port Sulphur cable providers. Cox offers no different upload speeds across the city. The fastest upload speed available to anyone from this ISP in Port Sulphur is up to 100 Mbps, which is available to everyone covered.
Show all upload speeds
- 100.0% up to 100.0 Mbps
EarthLink Fiber in Port Sulphur, LA
EarthLink fiber coverage
About 6.73%, or 165 people, have EarthLink fiber internet available to them in the city. The company covers the southeast, north, central, and northwest Port Sulphur area. EarthLink is one of the largest internet service providers internet service providers in the US, with internet service available in a very small piece of Port Sulphur.
EarthLink fiber download speeds
EarthLink is one of the fastest when comparing download speeds to all other internet providers in Port Sulphur. Versus other fiber providers in the area, EarthLink fiber is one of the fastest. There are no different maximum speeds throughout Port Sulphur. The fastest plan anyone in Port Sulphur can order from EarthLink goes up to 5,000 Mbps, and all Port Sulphur customers can get this speed.
Show all download speeds
- 100.0% up to 5,000.0 Mbps
EarthLink fiber upload speeds
In Port Sulphur 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 Port Sulphur fiber providers. EarthLink offers no different upload speeds across the city. The fastest upload speed available to anyone from this ISP in Port Sulphur is up to 5,000 Mbps, which is available to everyone covered.
Show all upload speeds
- 100.0% up to 5,000.0 Mbps
AT&T Fiber in Port Sulphur, LA
AT&T fiber coverage
About 6.73%, or 165 people, have AT&T fiber internet available to them in the city. The company covers the southeast, north, central, and northwest Port Sulphur area. AT&T is one of the largest internet service providers internet service providers in the US, with internet service available in a very small piece of Port Sulphur.
AT&T fiber download speeds
AT&T is one of the fastest when comparing download speeds to all other internet providers in Port Sulphur. Versus other fiber providers in the area, AT&T fiber is one of the fastest. There are no different maximum speeds throughout Port Sulphur. The fastest plan anyone in Port Sulphur can order from AT&T goes up to 5,000 Mbps, and all Port Sulphur customers can get this speed.
Show all download speeds
- 100.0% up to 5,000.0 Mbps
AT&T fiber upload speeds
In Port Sulphur 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 Port Sulphur fiber providers. AT&T offers no different upload speeds across the city. The fastest upload speed available to anyone from this ISP in Port Sulphur is up to 5,000 Mbps, which is available to everyone covered.
Show all upload speeds
- 100.0% up to 5,000.0 Mbps
Sparklight Cable in Port Sulphur, LA
Sparklight cable coverage
About 4.24%, or 104 people, have Sparklight cable internet available to them in the city. The company covers the northwest Port Sulphur area. Sparklight is one of the largest internet service providers internet service providers in the US, with internet service available in a very small piece of Port Sulphur.
Sparklight cable download speeds
Sparklight is below average when comparing download speeds to all other internet providers in Port Sulphur. Versus other cable providers in the area, Sparklight cable is the slowest. There are no different maximum speeds throughout Port Sulphur. The fastest plan anyone in Port Sulphur can order from Sparklight goes up to 1,000 Mbps, and all Port Sulphur customers can get this speed.
Show all download speeds
- 100.0% up to 1,000.0 Mbps
Sparklight cable upload speeds
In Port Sulphur download speeds tend to be faster than than upload speeds for Sparklight cable. Compared to other ISPs, Sparklight is below average where upload speeds are concerned, and the slowest compared to other Port Sulphur cable providers. Sparklight offers no different upload speeds across the city. The fastest upload speed available to anyone from this ISP in Port Sulphur is up to 50 Mbps, which is available to everyone covered.
Show all upload speeds
- 100.0% up to 50.0 Mbps
T-Mobile Home Internet Fixed Wireless in Port Sulphur, LA
T-Mobile Home Internet fixed wireless coverage
About 85.67%, or 2,099 people, have T-Mobile Home Internet fixed wireless internet available to them in the city. The company covers the entire Port Sulphur 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 Port Sulphur.
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 Port Sulphur. Versus other fixed wireless providers in the area, T-Mobile Home Internet fixed wireless is below average. There are 2 different maximum speeds throughout Port Sulphur. The fastest plan anyone in Port Sulphur can order from T-Mobile Home Internet goes up to 100 Mbps, the slowest package only goes up to 25 Mbps, and the city-wide average maximum speed for Port Sulphur customers is up to 67 Mbps.
Show all download speeds
- 55.6% up to 100.0 Mbps
- 44.4% up to 25.0 Mbps
T-Mobile Home Internet fixed wireless upload speeds
In Port Sulphur 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 average compared to other Port Sulphur fixed wireless providers. T-Mobile Home Internet offers 2 different upload speeds across the city, so your internet plan's upload speed may vary by neighborhood . The fastest upload speed available to anyone from this ISP in Port Sulphur 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 12 Mbps.
Show all upload speeds
- 55.6% up to 20.0 Mbps
- 44.4% up to 3.0 Mbps
Verizon Fixed Wireless in Port Sulphur, LA
Verizon fixed wireless coverage
About 83.31%, or 2,041 people, have Verizon fixed wireless internet available to them in the city. The company covers the entire Port Sulphur area. Verizon is one of the largest internet service providers internet service providers in the US, with internet service available in much of Port Sulphur.
Verizon fixed wireless download speeds
Verizon is below average when comparing download speeds to all other internet providers in Port Sulphur. Versus other fixed wireless providers in the area, Verizon fixed wireless is the fastest. There are no different maximum speeds throughout Port Sulphur. The fastest plan anyone in Port Sulphur can order from Verizon goes up to 300 Mbps, and all Port Sulphur customers can get this speed.
Show all download speeds
- 100.0% up to 300.0 Mbps
Verizon fixed wireless upload speeds
In Port Sulphur download speeds tend to be faster than than upload speeds for Verizon fixed wireless. Compared to other ISPs, Verizon is below average where upload speeds are concerned, and the fastest compared to other Port Sulphur fixed wireless providers. Verizon offers no different upload speeds across the city. The fastest upload speed available to anyone from this ISP in Port Sulphur is up to 20 Mbps, which is available to everyone covered.
Show all upload speeds
- 100.0% up to 20.0 Mbps
EarthLink Fixed Wireless in Port Sulphur, LA
EarthLink fixed wireless coverage
About 33.80%, or 828 people, have EarthLink fixed wireless internet available to them in the city. The company covers the northwest, central, north, and southeast Port Sulphur 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 Port Sulphur.
EarthLink fixed wireless download speeds
EarthLink is one of the slowest when comparing download speeds to all other internet providers in Port Sulphur. Versus other fixed wireless providers in the area, EarthLink fixed wireless is one of the slowest. There are 3 different maximum speeds throughout Port Sulphur. The fastest plan anyone in Port Sulphur can order from EarthLink goes up to 100 Mbps, the slowest package only goes up to 10 Mbps, and the city-wide average maximum speed for Port Sulphur customers is up to 48 Mbps.
Show all download speeds
- 31.6% up to 100.0 Mbps
- 65.9% up to 25.0 Mbps
- 2.4% up to 10.0 Mbps
EarthLink fixed wireless upload speeds
In Port Sulphur download speeds tend to be faster than than upload speeds for EarthLink fixed wireless. Compared to other ISPs, EarthLink is one of the slowest where upload speeds are concerned, and one of the slowest compared to other Port Sulphur fixed wireless providers. EarthLink offers 3 different upload speeds across the city, so your internet plan's upload speed may vary by neighborhood . The fastest upload speed available to anyone from this ISP in Port Sulphur 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 8.3 Mbps.
Show all upload speeds
- 31.6% up to 20.0 Mbps
- 65.9% up to 3.0 Mbps
- 2.4% up to 1.0 Mbps
AT&T Fixed Wireless in Port Sulphur, LA
AT&T fixed wireless coverage
About 33.80%, or 828 people, have AT&T fixed wireless internet available to them in the city. The company covers the northwest, central, north, and southeast Port Sulphur 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 Port Sulphur.
AT&T fixed wireless download speeds
AT&T is one of the slowest when comparing download speeds to all other internet providers in Port Sulphur. Versus other fixed wireless providers in the area, AT&T fixed wireless is one of the slowest. There are 3 different maximum speeds throughout Port Sulphur. The fastest plan anyone in Port Sulphur can order from AT&T goes up to 100 Mbps, the slowest package only goes up to 10 Mbps, and the city-wide average maximum speed for Port Sulphur customers is up to 48 Mbps.
Show all download speeds
- 31.6% up to 100.0 Mbps
- 65.9% up to 25.0 Mbps
- 2.4% up to 10.0 Mbps
AT&T fixed wireless upload speeds
In Port Sulphur download speeds tend to be faster than than upload speeds for AT&T fixed wireless. Compared to other ISPs, AT&T is one of the slowest where upload speeds are concerned, and one of the slowest compared to other Port Sulphur fixed wireless providers. AT&T offers 3 different upload speeds across the city, so your internet plan's upload speed may vary by neighborhood . The fastest upload speed available to anyone from this ISP in Port Sulphur 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 8.3 Mbps.
Show all upload speeds
- 31.6% up to 20.0 Mbps
- 65.9% up to 3.0 Mbps
- 2.4% up to 1.0 Mbps
Port Sulphur Internet by Area
This information is most helpful to those looking for homes or considering moving to Port Sulphur or any of the areas nearby.
How does internet in Port Sulphur compare to the rest of Louisiana?
Internet speeds in Port Sulphur are much slower versus the average speeds in Louisiana: 3,179 Mbps in Louisiana versus 925 Mbps in the city. The state has less internet availability compared to the city. Average internet coverage in Louisiana is 97.64% versus 92.29% in Port Sulphur.
What zip codes have widespread internet?
Internet coverage varies by zip code and neighborhood. Some examples in or around Port Sulphur 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 cities?
Below are cities nearby and with similar populations. This comparison can be useful if living somewhere with fast internet is important to you.
Nearby Cities
- Pointe a la Hache, LA: more internet coverage, slower speeds
- Davant, LA: more internet coverage, faster speeds
- Lake Judge Perez, LA: more internet coverage, slower speeds
- Harlem, LA: more internet coverage, faster speeds
- Empire, LA: more internet coverage, slower speeds
- Ironton, LA: more internet coverage, faster speeds
- Lafitte, LA: more internet coverage, faster speeds
- Galliano, LA: more internet coverage, slower speeds
- Cut Off, LA: more internet coverage, slower speeds
- Larose, LA: more internet coverage, faster speeds
Cities with Similar Populations
- Alton Bay, NH: more internet coverage, faster speeds
- Winchester, IL: more internet coverage, slower speeds
- Westmorland, CA: more internet coverage, slower speeds
- Waterford Works, NJ: more internet coverage, faster speeds
- Uniontown, AL: more internet coverage, slower speeds
- Tucker, TX: less internet coverage, faster speeds
- Taft, OK: more internet coverage, slower speeds
- Slayton, MN: more internet coverage, faster speeds
- Siletz, OR: more internet coverage, faster speeds
- Russell, PA: more internet coverage, slower speeds