| Place | Post Code |
|---|---|
| Baisy-Thy, Brabant Wallon) | 1470 |
| Bousval, Brabant Wallon) | 1470 |
| Genepiën (Genappe, Brabant Wallon) | 1470 |
| Glabais, Brabant Wallon) | 1473 |
| Houtain-le-Val, Brabant Wallon) | 1476 |
| Loupoigne, Brabant Wallon) | 1471 |
| Oud-Genepiën (Vieux-Genappe, Brabant Wallon) | 1472 |
| Ways, Brabant Wallon) | 1474 |