| Country | Canada (CA) |
| UN/LOCODE | STH |
| Name | Saint-Thomas |
| Name Without Diacritics | Saint-Thomas |
| Region | ON |
| Function Code | 12-4---- |
| Function | Port, Rail, Airport |
| Status Code | AS (Approved by National Standardization Body) |
| Date | 1101 |
| Airport Code (IATA) | YQS |
| Timezone | America/Toronto |
| Latitude Longitude | 46.0143, -73.3535 |