| Country | Canada (CA) |
| UN/LOCODE | YWM |
| Name | Williams Harbour |
| Name Without Diacritics | Williams Harbour |
| Region | NL |
| Function Code | 1--4---- |
| Function | Port, Airport |
| Status Code | AI (Code Adopted By International Organization) |
| Date | 501 |
| Location (UN Format) | 5233N 05547W |