| Country | Dominica (DM) |
| UN/LOCODE | POR |
| Name | Portsmouth |
| Name Without Diacritics | Portsmouth |
| Function Code | 1-3----- |
| Function | Port, Road |
| Status Code | RL (Recognised Location) |
| Date | 701 |
| Timezone | America/Dominica |
| Location (UN Format) | 1534N 06127W |
| Latitude Longitude | 15.5833, -61.4667 |