| Country | United Kingdom (GB) |
| UN/LOCODE | DBT |
| Name | Dumbarton |
| Name Without Diacritics | Dumbarton |
| Region | WDU |
| Function Code | --3----- |
| Function | Road |
| Status Code | AF (Approved by National Facilitation Body) |
| Date | 1401 |
| Timezone | Europe/London |
| Location (UN Format) | 5557N 00434W |
| Latitude Longitude | 55.9443, -4.5706 |