In Sulphur there is 1 residential DSL provider covering 99.46% of the city. The average home can get speeds up to 10 Mbps. Note that we may have a financial relationship with some of the providers below. This does not influence rankings, and helps us provide high-quality detailed information for free.
This page contains all DSL internet providers in Sulphur, OK.
To see availability maps for all providers including fiber, cable, DSL, and more in Sulphur, OK please click below.
DSL Internet Service Provider 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
Where in Sulphur is DSL internet available?
DSL Internet Availability Key
DSL is available in 99.46% of Sulphur. Areas in green have DSL internet service, where areas in yellow or red may not. The most widely available provider is Brightnet. Call one of the companies with service in Sulphur above to see who has service at your home.
How fast is DSL internet in Sulphur?
The map below shows maximum DSL internet speeds by area in Sulphur.
DSL Internet Speed Key
The average Sulphur home can get up to 10 Mbps on their DSL internet plan. The fastest DSL download speed in the city is 200 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, 99.11% 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.
DSL internet speeds tend to be faster in the southeast parts of Sulphur, and slower in the north areas of the city.
Is DSL the fastest internet I can get in Sulphur?
The fastest internet for you may vary based on where in Sulphur you live. In general, fiber competes most often with DSL in the city.
- Fiber is the fastest internet type for 85.33% of Sulphur homes.
- Cable is fastest for 5.42% of the city.
- DSL is fastest for less than 1%.
- Fixed wireless is fastest for 8.61%.
- Satellite internet may be the only option for less than 1% of Sulphur homes.
DSL 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.
Chickasaw (Brightnet) DSL in Sulphur, OK
Brightnet DSL coverage
About 99.32%, or 7,290 people, have Brightnet DSL internet available to them in the city. The company covers the entire Sulphur area. Brightnet is a large internet service provider internet service providers in the US, with internet service available in most of Sulphur.
Chickasaw (Brightnet) DSL download speeds
Brightnet is the slowest when comparing download speeds to all other internet providers in Sulphur. Versus other DSL providers in the area, Brightnet DSL is the slowest. There are no different maximum speeds throughout Sulphur. The fastest plan anyone in Sulphur can order from Brightnet goes up to 10 Mbps, and all Sulphur customers can get this speed.
Show all download speeds
- 100.0% up to 10.0 Mbps
Chickasaw (Brightnet) DSL upload speeds
In Sulphur download speeds tend to be faster than than upload speeds for Brightnet DSL. Compared to other ISPs, Brightnet is the slowest where upload speeds are concerned, and the slowest compared to other Sulphur DSL providers. Brightnet 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
Sulphur DSL 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 DSL internet in Sulphur compare to the rest of Oklahoma?
DSL internet speeds in Sulphur are much faster versus the average speeds in Oklahoma: 0.00 Mbps in Oklahoma versus 10 Mbps in the city. The state has similar DSL availability compared to the city. Average DSL coverage in Oklahoma is 0.00% versus 99.46% in Sulphur.
What zip codes have DSL internet?
DSL 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 DSL internet 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
- Scullin, OK: less DSL coverage, slower speeds
- Davis, OK: less DSL coverage, slower speeds
- Dougherty, OK: less DSL coverage, slower speeds
- Hickory, OK: less DSL coverage, slower speeds
- Iona, OK: less DSL coverage, slower speeds
- Joy, OK: less DSL coverage, faster speeds
- Roff, OK: less DSL coverage, slower speeds
- Wynnewood, OK: less DSL coverage, faster speeds
- Fitzhugh, OK: less DSL coverage, faster speeds
- Hennepin, OK: less DSL coverage, faster speeds
Cities with Similar Populations
- New Freedom, PA: less DSL coverage, faster speeds
- Newport, WA: less DSL coverage, faster speeds
- Newland, NC: less DSL coverage, faster speeds
- Newcastle, CA: less DSL coverage, faster speeds
- New Tazewell, TN: less DSL coverage, faster speeds
- New Martinsville, WV: less DSL coverage, faster speeds
- New Market, TN: less DSL coverage, faster speeds
- New Lexington, OH: less DSL coverage, slower speeds
- Perham, MN: less DSL coverage, faster speeds
- New Castle, CO: less DSL coverage, faster speeds