| Country | Chile (CL) |
| UN/LOCODE | MJS |
| Name | Mejillones |
| Name Without Diacritics | Mejillones |
| Region | AN |
| Function Code | 1------- |
| Function | Port |
| Status Code | AI (Code Adopted By International Organization) |
| Date | 201 |
| Timezone | America/Santiago |
| Location (UN Format) | 2306S 07027W |
| Latitude Longitude | -19.8231, -70.0271 |