| Country | United Kingdom (GB) |
| UN/LOCODE | PTD |
| Name | Porthmadog |
| Name Without Diacritics | Porthmadog |
| Region | GWN |
| Function Code | 1------- |
| Function | Port |
| Status Code | RL (Recognised Location) |
| Date | 1501 |
| Location (UN Format) | 5256N 00407W |
| Country | United Kingdom (GB) |
| UN/LOCODE | PTD |
| Name | Porthmadog |
| Name Without Diacritics | Porthmadog |
| Region | GWN |
| Function Code | 1------- |
| Function | Port |
| Status Code | RL (Recognised Location) |
| Date | 1501 |
| Location (UN Format) | 5256N 00407W |