| Ortschaft | Postleitzahl |
|---|---|
| Almkerk, Altena | 4286 |
| Andel, Altena | 4281 |
| Babyloniënbroek, Altena | 4269 |
| Drongelen, Altena | 4267 |
| Dussen, Altena | 4271 |
| Eethen, Altena | 4266 |
| Genderen, Altena | 4265 |
| Giessen, Altena | 4283 |
| Hank, Altena | 4273 |
| Meeuwen, Altena | 4268 |
| Nieuwendijk, Altena | 4255 |
| Rijswijk, Altena | 4284 |
| Sleeuwijk, Altena | 4254 |
| Uitwijk, Altena | 4288 |
| Veen, Altena | 4264 |
| Waardhuizen, Altena | 4287 |
| Werkendam, Altena | 4251 |
| Wijk en Aalburg, Altena | 4261 |
| Woudrichem, Altena | 4285 |