| Country | Canada (CA) |
| UN/LOCODE | THL |
| Name | Thornhill |
| Name Without Diacritics | Thornhill |
| Region | ON |
| Function Code | 1-3----- |
| Function | Port, Road |
| Status Code | AS (Approved by National Standardization Body) |
| Date | 9905 |
| Timezone | America/Halifax |
| Latitude Longitude | 44.6035, -63.6115 |