In Sulphur there are 10 residential internet providers covering 99.94% of the city. The average home can get speeds up to 2,793 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.
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10 Internet Service Providers in 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 Sulphur are not shown.
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 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.
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Internet service is available in 99.94% of 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 Sulphur with more confidence that they might be available.
How fast are internet speeds in Sulphur?
The map below shows maximum internet speeds by area in Sulphur.
Internet Speed Key
The average Sulphur home can get up to 2,793 Mbps on their internet plan. For most people, the fastest download speed in the city is 5,120 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, less than 1% of homes can only purchase plans up to 10 Mbps. See the internet provider details below for info about their speed and coverage in Sulphur.
Internet speeds tend to be faster in the central parts of Sulphur, and slower in the southwest areas of the city.
What type of internet should I choose in Sulphur?
The fastest internet for you may vary based on where in Sulphur you live. If speed is your main concern, fiber will be the fastest internet in the city.
- Fiber is the fastest internet type for 67.50% of Sulphur homes.
- Cable is fastest for 29.79% of the city.
- DSL is fastest for less than 1%.
- Fixed wireless is fastest for 2.46%.
- Satellite internet may be the only option for less than 1% of Sulphur homes.
Internet Market Health in Sulphur
Internet Competition Key
The map shows how competitive the 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 Sulphur based on what connections the average home has availabile:
- Average number of internet service providers to a home: 7.1 (very healthy)
- Average types of service (fiber, cable, DSL, etc): 3.2 (very healthy)
- Average providers with broadband (25 Mbps+) speeds: 5.6 (very healthy)
Overall, competition is very healthy.
Sulphur internet customers have the ability to buy internet service from 1 to 11 different providers, depending on where they live. For different types of service, Sulphur 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 city.
When it comes to broadband download speeds faster than 25 Mbps, the situation is worse. Sulphur internet customers who want faster speeds have between 0 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, Sulphur is doing quite well.
TV & Internet Providers in Depth
Below you'll find which TV and internet providers offer service in Sulphur, along with details on where in Sulphur and at what speeds.
Optimum Cable in Sulphur, LA
Optimum cable coverage
About 75.98%, or 26,023 people, have Optimum cable internet available to them in the city. The company covers the entire Sulphur area. Optimum is one of the largest internet service providers internet service providers in the US, with internet service available in much of Sulphur.
Optimum cable download speeds
Optimum is below average when comparing download speeds to all other internet providers in Sulphur. Versus other cable providers in the area, Optimum cable is the slowest. There are no different maximum speeds throughout Sulphur. The fastest plan anyone in Sulphur can order from Optimum goes up to 940 Mbps, and all Sulphur customers can get this speed.
Show all download speeds
- 100.0% up to 940.0 Mbps
Optimum cable upload speeds
In Sulphur download speeds tend to be faster than than upload speeds for Optimum cable. Compared to other ISPs, Optimum is below average where upload speeds are concerned, and the slowest compared to other Sulphur cable providers. Optimum offers no different upload speeds across the city. The fastest upload speed available to anyone from this ISP in Sulphur is up to 35 Mbps, which is available to everyone covered.
Show all upload speeds
- 100.0% up to 35.0 Mbps
AT&T DSL in Sulphur, LA
AT&T DSL coverage
About 70.28%, or 24,072 people, have AT&T DSL internet available to them in the city. The company covers the entire Sulphur area. AT&T is one of the largest internet service providers internet service providers in the US, with internet service available in much of Sulphur.
AT&T DSL download speeds
AT&T is one of the slowest when comparing download speeds to all other internet providers in Sulphur. Versus other DSL providers in the area, AT&T DSL is one of the slowest. There are 2 different maximum speeds throughout Sulphur. The fastest plan anyone in Sulphur can order from AT&T goes up to 25 Mbps, the slowest package only goes up to 10 Mbps, and the city-wide average maximum speed for Sulphur customers is up to 10 Mbps.
Show all download speeds
- 0.5% up to 25.0 Mbps
- 99.5% up to 10.0 Mbps
AT&T DSL upload speeds
In Sulphur download speeds tend to be faster than than upload speeds for AT&T DSL. Compared to other ISPs, AT&T is one of the slowest where upload speeds are concerned, and one of the slowest compared to other Sulphur DSL providers. AT&T 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 Sulphur is up to 5.0 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 1.0 Mbps.
Show all upload speeds
- 0.5% up to 5.0 Mbps
- 99.5% up to 1.0 Mbps
EarthLink DSL in Sulphur, LA
EarthLink DSL coverage
About 70.28%, or 24,072 people, have EarthLink DSL internet available to them in the city. The company covers the entire Sulphur area. EarthLink is one of the largest internet service providers internet service providers in the US, with internet service available in much of Sulphur.
EarthLink DSL download speeds
EarthLink is one of the slowest when comparing download speeds to all other internet providers in Sulphur. Versus other DSL providers in the area, EarthLink DSL is one of the slowest. There are 2 different maximum speeds throughout Sulphur. The fastest plan anyone in Sulphur can order from EarthLink goes up to 25 Mbps, the slowest package only goes up to 10 Mbps, and the city-wide average maximum speed for Sulphur customers is up to 10 Mbps.
Show all download speeds
- 0.5% up to 25.0 Mbps
- 99.5% up to 10.0 Mbps
EarthLink DSL upload speeds
In Sulphur download speeds tend to be faster than than upload speeds for EarthLink DSL. Compared to other ISPs, EarthLink is one of the slowest where upload speeds are concerned, and one of the slowest compared to other Sulphur DSL providers. EarthLink 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 Sulphur is up to 5.0 Mbps. Some customers have slower plan choices, which only go up to 1.0 Mbps. On average, EarthLink customers can get speeds up to 1.0 Mbps.
Show all upload speeds
- 0.5% up to 5.0 Mbps
- 99.5% up to 1.0 Mbps
EarthLink Fiber in Sulphur, LA
EarthLink fiber coverage
About 55.63%, or 19,055 people, have EarthLink fiber internet available to them in the city. The company covers the entire Sulphur area. EarthLink is one of the largest internet service providers internet service providers in the US, with internet service available in a majority of Sulphur.
EarthLink fiber download speeds
EarthLink is above average when comparing download speeds to all other internet providers in Sulphur. Versus other fiber providers in the area, EarthLink fiber is above average. There are 2 different maximum speeds throughout Sulphur. The fastest plan anyone in Sulphur can order from EarthLink goes up to 5,000 Mbps, the slowest package only goes up to 1,000 Mbps, and the city-wide average maximum speed for Sulphur customers is up to 4,470 Mbps.
Show all download speeds
- 86.7% up to 5,000.0 Mbps
- 13.3% up to 1,000.0 Mbps
EarthLink fiber upload speeds
In Sulphur download speeds tend to be equal to than upload speeds for EarthLink fiber. Compared to other ISPs, EarthLink is above average where upload speeds are concerned, and above average compared to other Sulphur fiber providers. EarthLink 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 Sulphur 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 4,470 Mbps.
Show all upload speeds
- 86.7% up to 5,000.0 Mbps
- 13.3% up to 1,000.0 Mbps
AT&T Fiber in Sulphur, LA
AT&T fiber coverage
About 55.63%, or 19,055 people, have AT&T fiber internet available to them in the city. The company covers the entire Sulphur area. AT&T is one of the largest internet service providers internet service providers in the US, with internet service available in a majority of Sulphur.
AT&T fiber download speeds
AT&T is above average when comparing download speeds to all other internet providers in Sulphur. Versus other fiber providers in the area, AT&T fiber is above average. There are 2 different maximum speeds throughout Sulphur. The fastest plan anyone in Sulphur can order from AT&T goes up to 5,000 Mbps, the slowest package only goes up to 1,000 Mbps, and the city-wide average maximum speed for Sulphur customers is up to 4,470 Mbps.
Show all download speeds
- 86.7% up to 5,000.0 Mbps
- 13.3% up to 1,000.0 Mbps
AT&T fiber upload speeds
In Sulphur download speeds tend to be equal to than upload speeds for AT&T fiber. Compared to other ISPs, AT&T is above average where upload speeds are concerned, and above average compared to other Sulphur fiber providers. AT&T 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 Sulphur 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 4,470 Mbps.
Show all upload speeds
- 86.7% up to 5,000.0 Mbps
- 13.3% up to 1,000.0 Mbps
American Broadband Fiber in Sulphur, LA
American Broadband fiber coverage
About 17.03%, or 5,834 people, have American Broadband fiber internet available to them in the city. The company covers the southwest, northeast, south, and southeast Sulphur area. American Broadband is a large internet service provider internet service providers in the US, with internet service available in a small portion of Sulphur.
American Broadband fiber download speeds
American Broadband is below average when comparing download speeds to all other internet providers in Sulphur. Versus other fiber providers in the area, American Broadband fiber is the slowest. There are no different maximum speeds throughout Sulphur. The fastest plan anyone in Sulphur can order from American Broadband goes up to 100 Mbps, and all Sulphur customers can get this speed.
Show all download speeds
- 100.0% up to 100.0 Mbps
American Broadband fiber upload speeds
In Sulphur download speeds tend to be equal to than upload speeds for American Broadband fiber. Compared to other ISPs, American Broadband is below average where upload speeds are concerned, and the slowest compared to other Sulphur fiber providers. American Broadband offers no different upload speeds across the city. The fastest upload speed available to anyone from this ISP in Sulphur is up to 100 Mbps, which is available to everyone covered.
Show all upload speeds
- 100.0% up to 100.0 Mbps
Vyve Broadband Cable in Sulphur, LA
Vyve Broadband cable coverage
About 11.67%, or 3,996 people, have Vyve Broadband cable internet available to them in the city. The company covers the northeast, north, and northwest Sulphur area. Vyve Broadband is a large internet service provider internet service providers in the US, with internet service available in a very small piece of Sulphur.
Vyve Broadband cable download speeds
Vyve Broadband is below average when comparing download speeds to all other internet providers in Sulphur. Versus other cable providers in the area, Vyve Broadband cable is the fastest. There are no different maximum speeds throughout Sulphur. The fastest plan anyone in Sulphur can order from Vyve Broadband goes up to 1,000 Mbps, and all Sulphur customers can get this speed.
Show all download speeds
- 100.0% up to 1,000.0 Mbps
Vyve Broadband cable upload speeds
In Sulphur download speeds tend to be faster than than upload speeds for Vyve Broadband cable. Compared to other ISPs, Vyve Broadband is below average where upload speeds are concerned, and the fastest compared to other Sulphur cable providers. Vyve Broadband offers no different upload speeds across the city. The fastest upload speed available to anyone from this ISP in Sulphur is up to 50 Mbps, which is available to everyone covered.
Show all upload speeds
- 100.0% up to 50.0 Mbps
American Broadband DSL in Sulphur, LA
American Broadband DSL coverage
About 1.69%, or 579 people, have American Broadband DSL internet available to them in the city. The company covers the southwest and south Sulphur area. American Broadband is a large internet service provider internet service providers in the US, with internet service available in a very small piece of Sulphur.
American Broadband DSL download speeds
American Broadband is below average when comparing download speeds to all other internet providers in Sulphur. Versus other DSL providers in the area, American Broadband DSL is average. There are no different maximum speeds throughout Sulphur. The fastest plan anyone in Sulphur can order from American Broadband goes up to 25 Mbps, and all Sulphur customers can get this speed.
Show all download speeds
- 100.0% up to 25.0 Mbps
American Broadband DSL upload speeds
In Sulphur download speeds tend to be faster than than upload speeds for American Broadband DSL. Compared to other ISPs, American Broadband is below average where upload speeds are concerned, and average compared to other Sulphur DSL providers. American Broadband offers no different upload speeds across the city. The fastest upload speed available to anyone from this ISP in Sulphur is up to 3.0 Mbps, which is available to everyone covered.
Show all upload speeds
- 100.0% up to 3.0 Mbps
T-Mobile Home Internet Fixed Wireless in Sulphur, LA
T-Mobile Home Internet fixed wireless coverage
About 87.92%, or 30,113 people, have T-Mobile Home Internet fixed wireless internet available to them in the city. The company covers the entire 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 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 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 Sulphur. The fastest plan anyone in 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 Sulphur customers is up to 74 Mbps.
Show all download speeds
- 65.3% up to 100.0 Mbps
- 34.7% up to 25.0 Mbps
T-Mobile Home Internet fixed wireless upload speeds
In 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 above average compared to other 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 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 14 Mbps.
Show all upload speeds
- 65.3% up to 20.0 Mbps
- 34.7% up to 3.0 Mbps
EarthLink Fixed Wireless in Sulphur, LA
EarthLink fixed wireless coverage
About 86.84%, or 29,742 people, have EarthLink fixed wireless internet available to them in the city. The company covers the entire Sulphur area. EarthLink is one of the largest internet service providers internet service providers in the US, with internet service available in most of Sulphur.
EarthLink fixed wireless download speeds
EarthLink is below average when comparing download speeds to all other internet providers in Sulphur. Versus other fixed wireless providers in the area, EarthLink fixed wireless is below average. There are 2 different maximum speeds throughout Sulphur. The fastest plan anyone in Sulphur can order from EarthLink goes up to 100 Mbps, the slowest package only goes up to 25 Mbps, and the city-wide average maximum speed for Sulphur customers is up to 40 Mbps.
Show all download speeds
- 19.7% up to 100.0 Mbps
- 80.3% up to 25.0 Mbps
EarthLink fixed wireless upload speeds
In Sulphur 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 one of the slowest compared to other Sulphur fixed wireless providers. EarthLink 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 Sulphur is up to 20 Mbps. Some customers have slower plan choices, which only go up to 3.0 Mbps. On average, EarthLink customers can get speeds up to 6.3 Mbps.
Show all upload speeds
- 19.7% up to 20.0 Mbps
- 80.3% up to 3.0 Mbps
AT&T Fixed Wireless in Sulphur, LA
AT&T fixed wireless coverage
About 86.84%, or 29,742 people, have AT&T fixed wireless internet available to them in the city. The company covers the entire Sulphur area. AT&T is one of the largest internet service providers internet service providers in the US, with internet service available in most of Sulphur.
AT&T fixed wireless download speeds
AT&T is below average when comparing download speeds to all other internet providers in Sulphur. Versus other fixed wireless providers in the area, AT&T fixed wireless is below average. There are 2 different maximum speeds throughout Sulphur. The fastest plan anyone in Sulphur can order from AT&T goes up to 100 Mbps, the slowest package only goes up to 25 Mbps, and the city-wide average maximum speed for Sulphur customers is up to 40 Mbps.
Show all download speeds
- 19.7% up to 100.0 Mbps
- 80.3% up to 25.0 Mbps
AT&T fixed wireless upload speeds
In Sulphur 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 one of the slowest compared to other Sulphur fixed wireless providers. AT&T 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 Sulphur is up to 20 Mbps. Some customers have slower plan choices, which only go up to 3.0 Mbps. On average, AT&T customers can get speeds up to 6.3 Mbps.
Show all upload speeds
- 19.7% up to 20.0 Mbps
- 80.3% up to 3.0 Mbps
Fulair Wireless Internet Fixed Wireless in Sulphur, LA
Fulair Wireless Internet fixed wireless coverage
About 57.05%, or 19,539 people, have Fulair Wireless Internet fixed wireless internet available to them in the city. The company covers the entire Sulphur area. Fulair Wireless Internet is a large internet service provider internet service providers in the US, with internet service available in a majority of Sulphur.
Fulair Wireless Internet fixed wireless download speeds
Fulair Wireless Internet is below average when comparing download speeds to all other internet providers in Sulphur. Versus other fixed wireless providers in the area, Fulair Wireless Internet fixed wireless is the slowest. There are 3 different maximum speeds throughout Sulphur. The fastest plan anyone in Sulphur can order from Fulair Wireless Internet goes up to 50 Mbps, the slowest package only goes up to 10 Mbps, and the city-wide average maximum speed for Sulphur customers is up to 33 Mbps.
Show all download speeds
- 45.9% up to 50.0 Mbps
- 33.1% up to 25.0 Mbps
- 21.0% up to 10.0 Mbps
Fulair Wireless Internet fixed wireless upload speeds
In Sulphur download speeds tend to be faster than than upload speeds for Fulair Wireless Internet fixed wireless. Compared to other ISPs, Fulair Wireless Internet is below average where upload speeds are concerned, and average compared to other Sulphur fixed wireless providers. Fulair Wireless Internet offers 4 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 Sulphur is up to 15 Mbps. Some customers have slower plan choices, which only go up to 1.0 Mbps. On average, Fulair Wireless Internet customers can get speeds up to 9.9 Mbps.
Show all upload speeds
- 45.9% up to 15.0 Mbps
- 23.9% up to 10.0 Mbps
- 9.2% up to 5.0 Mbps
- 21.0% up to 1.0 Mbps
Verizon Fixed Wireless in Sulphur, LA
Verizon fixed wireless coverage
About 36.43%, or 12,479 people, have Verizon fixed wireless internet available to them in the city. The company covers the entire Sulphur area. Verizon is one of the largest internet service providers internet service providers in the US, with internet service available in some of Sulphur.
Verizon fixed wireless download speeds
Verizon is below average when comparing download speeds to all other internet providers in Sulphur. Versus other fixed wireless providers in the area, Verizon fixed wireless is the fastest. There are no different maximum speeds throughout Sulphur. The fastest plan anyone in Sulphur can order from Verizon goes up to 300 Mbps, and all Sulphur customers can get this speed.
Show all download speeds
- 100.0% up to 300.0 Mbps
Verizon fixed wireless upload speeds
In 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 Sulphur fixed wireless providers. Verizon offers no different upload speeds across the city. The fastest upload speed available to anyone from this ISP in Sulphur is up to 20 Mbps, which is available to everyone covered.
Show all upload speeds
- 100.0% up to 20.0 Mbps
Sulphur Internet by Area
This information is most helpful to those looking for homes or considering moving to Sulphur or any of the areas nearby.
How does internet in Sulphur compare to the rest of Louisiana?
Internet speeds in Sulphur are slower versus the average speeds in Louisiana: 3,179 Mbps in Louisiana versus 2,793 Mbps in the city. The state has similar internet availability compared to the city. Average internet coverage in Louisiana is 97.64% versus 99.94% in Sulphur.
What zip codes have widespread internet?
Internet coverage varies by zip code and neighborhood. Some examples in or around 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
- Carlyss, LA: more internet coverage, slower speeds
- Westlake, LA: less internet coverage, faster speeds
- Buhler, LA: more internet coverage, slower speeds
- Lake Charles, LA: less internet coverage, faster speeds
- Perkins, LA: less internet coverage, slower speeds
- Moss Bluff, LA: more internet coverage, faster speeds
- Ged, LA: more internet coverage, slower speeds
- Vinton, LA: less internet coverage, slower speeds
- Holmwood, LA: less internet coverage, faster speeds
- Toomey, LA: more internet coverage, slower speeds
Cities with Similar Populations
- Media, PA: less internet coverage, slower speeds
- Shelton, WA: less internet coverage, slower speeds
- San Luis, AZ: less internet coverage, slower speeds
- Pasadena, MD: more internet coverage, slower speeds
- Paramus, NJ: more internet coverage, faster speeds
- Opelousas, LA: less internet coverage, slower speeds
- North Olmsted, OH: more internet coverage, faster speeds
- Niles, MI: less internet coverage, faster speeds
- Niceville, FL: less internet coverage, faster speeds
- Mundelein, IL: less internet coverage, slower speeds