| Country | United Kingdom (GB) |
| UN/LOCODE | HHL |
| Name | Harrow on the Hill |
| Name Without Diacritics | Harrow on the Hill |
| Region | HRW |
| Function Code | -23----- |
| Function | Rail, Road |
| Status Code | AF (Approved by National Facilitation Body) |
| Date | 1401 |
| Location (UN Format) | 5134N 00020W |