| Country | England |
|---|---|
| UK region | South East |
| Postcode area | HP |
| District | Wycombe |
Longwick-cum-Ilmer postcode districts
Longwick-cum-Ilmer has 2 postcode districts
| Country | England |
|---|---|
| UK region | South East |
| Postcode area | HP |
| District | Wycombe |
Longwick-cum-Ilmer has 2 postcode districts