Port Jefferson residents have 2 internet providers to choose from. Optimum is the most popular provider, offering cable internet service. In our research, we have been seeing 113 Mbps for download speeds and 19 Mbps for upload speeds for Optimum customers over 1,560 recent tests. In addition to Optimum, DSL and fiber internet service is also available from Verizon.
See more detailed speed and coverage data below.
| Provider | Download Speed | Upload Speed | Latency |
|---|---|---|---|
| Optimum Cable | 113 Mbps | 19 Mbps | 10 ms |
| Verizon DSL Fiber | 224 Mbps | 49 Mbps | 6 ms |
| * Data from speed tests taken in the last 3 months | |||
Optimum is the most popular provider in Port Jefferson offering cable internet service. Users have been getting 113 Mbps for download speeds and 19 Mbps for upload speeds over 1,560 recent tests.
Optimum has the 2nd fastest average download speed, the 2nd fastest average upload speed, and the 2nd lowest latency out of all of the providers in Port Jefferson. 33% of users saw download speeds between 100-250 Mbps, and 40% of users saw upload speeds between 10-25 Mbps.
Download Speeds
Upload Speeds
| Date | Download Speed | Upload Speed | Latency |
|---|---|---|---|
| June 17, 2024 | 13 Mbps | 3 Mbps | 9 ms |
| June 17, 2024 | 419 Mbps | 31 Mbps | 6 ms |
| June 17, 2024 | 89 Mbps | 26 Mbps | 6 ms |
| June 17, 2024 | 692 Mbps | 33 Mbps | 7 ms |
| June 17, 2024 | 312 Mbps | 33 Mbps | 21 ms |
| June 17, 2024 | 193 Mbps | 9 Mbps | 9 ms |
| June 17, 2024 | 243 Mbps | 17 Mbps | 8 ms |
| June 17, 2024 | 130 Mbps | 10 Mbps | 11 ms |
| June 17, 2024 | 214 Mbps | 10 Mbps | 13 ms |
| June 17, 2024 | 110 Mbps | 23 Mbps | 10 ms |
Verizon is the 2nd most popular provider in Port Jefferson offering DSL and fiber internet service. Users have been getting 224 Mbps for download speeds and 49 Mbps for upload speeds over 636 recent tests.
Verizon has the fastest average download speed, the fastest average upload speed, and the lowest latency out of all of the providers in Port Jefferson. 32% of users saw download speeds between 250-500 Mbps, and 23% of users saw upload speeds between 100-250 Mbps.
Download Speeds
Upload Speeds
| Date | Download Speed | Upload Speed | Latency |
|---|---|---|---|
| June 17, 2024 | 700 Mbps | 398 Mbps | 7 ms |
| June 17, 2024 | 76 Mbps | 16 Mbps | 7 ms |
| June 17, 2024 | 311 Mbps | 8 Mbps | 8 ms |
| June 17, 2024 | 506 Mbps | 347 Mbps | 6 ms |
| June 17, 2024 | 769 Mbps | 672 Mbps | 6 ms |
| June 15, 2024 | 280 Mbps | 10 Mbps | 7 ms |
| June 15, 2024 | 197 Mbps | 90 Mbps | 10 ms |
| June 14, 2024 | 210 Mbps | 63 Mbps | 5 ms |
| June 14, 2024 | 580 Mbps | 450 Mbps | 6 ms |
| June 13, 2024 | 70 Mbps | 49 Mbps | 6 ms |
We’ll run a download test and an upload test to give you the full picture of your internet connection.