| Country | United States (US) |
| UN/LOCODE | SGN |
| Name | Stonington |
| Name Without Diacritics | Stonington |
| Region | CT |
| Function Code | 123--6-- |
| Function | Port, Rail, Road, Multi-use Location |
| Status Code | RL (Recognised Location) |
| Date | 607 |
| Location (UN Format) | 4120N 07154W |