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 136 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 | 136 Mbps | 21 Mbps | 15 ms |
| AT&T DSL Fiber Fixed Wireless | 283 Mbps | 127 Mbps | 24 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 136 Mbps for download speeds and 21 Mbps for upload speeds over 2,569 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 100-250 Mbps, and 43% of users saw upload speeds between 25-50 Mbps.
Download Speeds
Upload Speeds
| Date | Download Speed | Upload Speed | Latency |
|---|---|---|---|
| June 17, 2024 | 227 Mbps | 34 Mbps | 144 ms |
| June 17, 2024 | 404 Mbps | 40 Mbps | 14 ms |
| June 17, 2024 | 228 Mbps | 19 Mbps | 13 ms |
| June 17, 2024 | 107 Mbps | 10 Mbps | 14 ms |
| June 17, 2024 | 134 Mbps | 37 Mbps | 14 ms |
| June 17, 2024 | 315 Mbps | 39 Mbps | 14 ms |
| June 17, 2024 | 93 Mbps | 38 Mbps | 15 ms |
| June 17, 2024 | 37 Mbps | 20 Mbps | 15 ms |
| June 17, 2024 | 129 Mbps | 34 Mbps | 16 ms |
| June 17, 2024 | 720 Mbps | 35 Mbps | 14 ms |
AT&T is the 2nd most popular provider in Sulphur offering DSL, fiber and fixed wireless internet service. Users have been getting 283 Mbps for download speeds and 127 Mbps for upload speeds over 688 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. 30% of users saw download speeds faster than 500 Mbps, and 41% of users saw upload speeds faster than 250 Mbps.
Download Speeds
Upload Speeds
| Date | Download Speed | Upload Speed | Latency |
|---|---|---|---|
| June 17, 2024 | 678 Mbps | 656 Mbps | 25 ms |
| June 17, 2024 | 347 Mbps | 911 Mbps | 21 ms |
| June 17, 2024 | 72 Mbps | 41 Mbps | 33 ms |
| June 17, 2024 | 216 Mbps | 221 Mbps | 24 ms |
| June 17, 2024 | 585 Mbps | 576 Mbps | 21 ms |
| June 16, 2024 | 849 Mbps | 897 Mbps | 21 ms |
| June 16, 2024 | 91 Mbps | 92 Mbps | 80 ms |
| June 16, 2024 | 562 Mbps | 577 Mbps | 23 ms |
| June 16, 2024 | 510 Mbps | 338 Mbps | 23 ms |
| June 16, 2024 | 626 Mbps | 412 Mbps | 23 ms |
We’ll run a download test and an upload test to give you the full picture of your internet connection.