In Sulphur there are 2 internet service providers, with Suddenlink Communications being the most popular. Suddenlink Communications offers cable internet service. In recent tests, Suddenlink Communications customers had an average download speed of 198 Mbps and an average upload speed of 21 Mbps. In addition to Suddenlink Communications, DSL, fiber and fixed wireless internet service is also available from AT&T.
While our research has shown these to be the real speeds that users experience, there are many factors that can affect the actual download and upload speeds you will encounter. These may include the type of internet connection you have, the distance between your device and the router, the number of users on the network, and the strength of the signal.
| Provider | Download Speed | Upload Speed | Latency |
|---|---|---|---|
| Suddenlink Communications Cable | 198 Mbps | 21 Mbps | 15 ms |
| AT&T DSL Fiber Fixed Wireless | 213 Mbps | 86 Mbps | 25 ms |
| * Data from speed tests taken in the last 3 months | |||
Suddenlink Communications is the most popular provider in Sulphur offering cable internet service. Users have been getting 198 Mbps for download speeds and 21 Mbps for upload speeds over 1,555 recent tests.
Suddenlink Communications has the 2nd fastest average download speed, the 2nd fastest average upload speed, and the lowest latency out of all of the providers in Sulphur. 32% of users saw download speeds between 250-500 Mbps, and 39% of users saw upload speeds between 25-50 Mbps.
Download Speeds
Upload Speeds
| Date | Download Speed | Upload Speed | Latency |
|---|---|---|---|
| March 16, 2024 | 43 Mbps | 27 Mbps | 23 ms |
| March 16, 2024 | 608 Mbps | 36 Mbps | 14 ms |
| March 16, 2024 | 423 Mbps | 31 Mbps | 15 ms |
| March 16, 2024 | 211 Mbps | 10 Mbps | 19 ms |
| March 16, 2024 | 121 Mbps | 35 Mbps | 19 ms |
| March 16, 2024 | 391 Mbps | 19 Mbps | 15 ms |
| March 16, 2024 | 212 Mbps | 32 Mbps | 17 ms |
| March 16, 2024 | 509 Mbps | 19 Mbps | 16 ms |
| March 16, 2024 | 13 Mbps | 1 Mbps | 14 ms |
| March 16, 2024 | 276 Mbps | 20 Mbps | 15 ms |
AT&T is the 2nd most popular provider in Sulphur offering DSL, fiber and fixed wireless internet service. Users have been getting 213 Mbps for download speeds and 86 Mbps for upload speeds over 745 recent tests.
AT&T has the fastest average download speed, the fastest average upload speed, and the 2nd lowest latency out of all of the providers in Sulphur. 29% of users saw download speeds between 250-500 Mbps, and 31% of users saw upload speeds faster than 250 Mbps.
Download Speeds
Upload Speeds
| Date | Download Speed | Upload Speed | Latency |
|---|---|---|---|
| March 16, 2024 | 154 Mbps | 90 Mbps | 24 ms |
| March 16, 2024 | 365 Mbps | 307 Mbps | 26 ms |
| March 16, 2024 | 493 Mbps | 80 Mbps | 25 ms |
| March 16, 2024 | 586 Mbps | 447 Mbps | 21 ms |
| March 15, 2024 | 357 Mbps | 444 Mbps | 26 ms |
| March 15, 2024 | 249 Mbps | 328 Mbps | 25 ms |
| March 15, 2024 | 455 Mbps | 84 Mbps | 25 ms |
| March 15, 2024 | 446 Mbps | 571 Mbps | 23 ms |
| March 14, 2024 | 238 Mbps | 288 Mbps | 25 ms |
| March 14, 2024 | 499 Mbps | 514 Mbps | 21 ms |
We’ll run a download test and an upload test to give you the full picture of your internet connection.