In Sulphur there are 7 residential internet providers covering 98.77% of the city. The average home can get speeds up to 613 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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7 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 98.77% 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 Spectrum. 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 613 Mbps on their internet plan. For most people, the fastest download speed in the city is 1,000 Mbps, which 47.14% of residents can get. Some homes and apartments do not have access to these speeds. On the slower end, for example, 6.95% of homes can only purchase plans up to 25 Mbps. See the internet provider details below for info about their speed and coverage in Sulphur.
Internet speeds tend to be faster in the northeast parts of Sulphur, and slower in the east 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, fixed wireless will be the fastest internet in the city.
- Fiber is the fastest internet type for 25.07% of Sulphur homes.
- Cable is fastest for 22.08% of the city.
- DSL is fastest for less than 1%.
- Fixed wireless is fastest for 51.63%.
- Satellite internet may be the only option for 1.23% 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: 4.0 (unhealthy)
- Average types of service (fiber, cable, DSL, etc): 2.3 (unhealthy)
- Average providers with broadband (25 Mbps+) speeds: 2.5 (very unhealthy)
Overall, competition is unhealthy.
Sulphur internet customers have the ability to buy internet service from 1 to 7 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, 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. Sulphur internet customers who want faster speeds have between 1 and 5 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 needs improvement.
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.
AT&T DSL in Sulphur, KY
AT&T DSL coverage
About 73.61%, or 837 people, have AT&T DSL internet available to them in the city. The company covers the southwest, northeast, west, southeast, east, south, and central 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 fastest. There are no different maximum speeds throughout Sulphur. The fastest plan anyone in Sulphur can order from AT&T goes up to 10 Mbps, and all Sulphur customers can get this speed.
Show all download speeds
- 100.0% 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 fastest compared to other Sulphur DSL providers. AT&T offers no different upload speeds across the city. The fastest upload speed available to anyone from this ISP in Sulphur is up to 1.0 Mbps, which is available to everyone covered.
Show all upload speeds
- 100.0% up to 1.0 Mbps
EarthLink DSL in Sulphur, KY
EarthLink DSL coverage
About 73.61%, or 837 people, have EarthLink DSL internet available to them in the city. The company covers the southwest, northeast, west, southeast, east, south, and central 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 fastest. There are no different maximum speeds throughout Sulphur. The fastest plan anyone in Sulphur can order from EarthLink goes up to 10 Mbps, and all Sulphur customers can get this speed.
Show all download speeds
- 100.0% 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 fastest compared to other Sulphur DSL providers. EarthLink offers no different upload speeds across the city. The fastest upload speed available to anyone from this ISP in Sulphur is up to 1.0 Mbps, which is available to everyone covered.
Show all upload speeds
- 100.0% up to 1.0 Mbps
Spectrum Cable in Sulphur, KY
Spectrum cable coverage
About 26.56%, or 302 people, have Spectrum cable internet available to them in the city. The company covers the northeast and north Sulphur area. Spectrum is one of the largest internet service providers internet service providers in the US, with internet service available in a small portion of Sulphur.
Spectrum cable download speeds
Spectrum is one of the fastest when comparing download speeds to all other internet providers in Sulphur. Versus other cable providers in the area, Spectrum cable is the fastest. There are no different maximum speeds throughout Sulphur. The fastest plan anyone in Sulphur can order from Spectrum 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
Spectrum cable upload speeds
In Sulphur download speeds tend to be equal to than upload speeds for Spectrum cable. Compared to other ISPs, Spectrum is the fastest where upload speeds are concerned, and the fastest compared to other Sulphur cable providers. Spectrum offers no different upload speeds across the city. The fastest upload speed available to anyone from this ISP in Sulphur 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 Fiber in Sulphur, KY
Spectrum fiber coverage
About 25.07%, or 285 people, have Spectrum fiber internet available to them in the city. The company covers the southwest, west, and northeast Sulphur area. Spectrum is one of the largest internet service providers internet service providers in the US, with internet service available in a small portion of Sulphur.
Spectrum fiber download speeds
Spectrum is one of the fastest when comparing download speeds to all other internet providers in Sulphur. Versus other fiber providers in the area, Spectrum fiber is the fastest. There are no different maximum speeds throughout Sulphur. The fastest plan anyone in Sulphur can order from Spectrum 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
Spectrum fiber upload speeds
In Sulphur download speeds tend to be faster than than upload speeds for Spectrum fiber. Compared to other ISPs, Spectrum is above average where upload speeds are concerned, and the fastest compared to other Sulphur fiber providers. Spectrum 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 1,000 Mbps. Some customers have slower plan choices, which only go up to 500 Mbps. On average, Spectrum customers can get speeds up to 979 Mbps.
Show all upload speeds
- 95.8% up to 1,000.0 Mbps
- 4.2% up to 500.0 Mbps
T-Mobile Home Internet Fixed Wireless in Sulphur, KY
T-Mobile Home Internet fixed wireless coverage
About 96.92%, or 1,102 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 59 Mbps.
Show all download speeds
- 45.9% up to 100.0 Mbps
- 54.1% 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 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 11 Mbps.
Show all upload speeds
- 45.9% up to 20.0 Mbps
- 54.1% up to 3.0 Mbps
Verizon Fixed Wireless in Sulphur, KY
Verizon fixed wireless coverage
About 66.05%, or 751 people, have Verizon fixed wireless internet available to them in the city. The company covers the southwest, southeast, south, north, west, central, and east Sulphur area. Verizon is one of the largest internet service providers internet service providers in the US, with internet service available in much of Sulphur.
Verizon fixed wireless download speeds
Verizon is 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
EarthLink Fixed Wireless in Sulphur, KY
EarthLink fixed wireless coverage
About 18.21%, or 207 people, have EarthLink fixed wireless internet available to them in the city. The company covers the southwest, northeast, and southeast 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 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 one of the slowest. There are no different maximum speeds throughout Sulphur. The fastest plan anyone in Sulphur can order from EarthLink goes up to 25 Mbps, and all Sulphur customers can get this speed.
Show all download speeds
- 100.0% 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 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
AT&T Fixed Wireless in Sulphur, KY
AT&T fixed wireless coverage
About 18.21%, or 207 people, have AT&T fixed wireless internet available to them in the city. The company covers the southwest, northeast, and southeast 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 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 one of the slowest. There are no different maximum speeds throughout Sulphur. The fastest plan anyone in Sulphur can order from AT&T goes up to 25 Mbps, and all Sulphur customers can get this speed.
Show all download speeds
- 100.0% 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 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
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 Kentucky?
Internet speeds in Sulphur are slower versus the average speeds in Kentucky: 2,544 Mbps in Kentucky versus 613 Mbps in the city. The state has similar internet availability compared to the city. Average internet coverage in Kentucky is 98.61% versus 98.77% 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
- Port Royal, KY: more internet coverage, faster speeds
- Sligo, KY: more internet coverage, faster speeds
- Pendleton, KY: less internet coverage, faster speeds
- Campbellsburg, KY: less internet coverage, faster speeds
- New Castle, KY: less internet coverage, faster speeds
- Smithfield, KY: more internet coverage, faster speeds
- Delville, KY: more internet coverage, slower speeds
- Turners Station, KY: less internet coverage, faster speeds
- Wises Landing, KY: more internet coverage, faster speeds
- Eminence, KY: more internet coverage, faster speeds
Cities with Similar Populations
- Sedalia, NC: more internet coverage, faster speeds
- Lilliwaup, WA: more internet coverage, faster speeds
- Longtown, OK: more internet coverage, slower speeds
- Malbis, AL: more internet coverage, faster speeds
- Manchester, VT: more internet coverage, faster speeds
- Rowesville, SC: less internet coverage, faster speeds
- Sageville, IA: more internet coverage, faster speeds
- Schleswig, IA: more internet coverage, slower speeds
- Seaboard, NC: less internet coverage, faster speeds
- Leasburg, NC: more internet coverage, faster speeds