DE - Derby
The postal area DE (Derby) comprises of the following post towns; these towns should be written in capital letters when used in addresses.
Postal Districts within DE - Derby
| Country | Post Town | Postal District |
| England | Derby | DE1 DE3 |
| Matlock | DE4 | |
| Ripley | DE5 | |
| Ashbourne | DE6 | |
| Ilkeston | DE7 | |
| Swadlincote | DE11 DE12 |
|
| Burton-upon-Trent | DE13 DE14 DE15 |
|
| Derby | DE21 DE22 DE23 DE24 |
|
| Bakewell | DE45 | |
| Alfreton | DE55 | |
| Belper | DE56 | |
| Derby | DE65 | |
| Derby | DE72 DE73 DE74 |
|
| Heanor | DE75 | |
| Businesses | DE99 |
