| Place | Postal Code |
|---|---|
| Helchteren, Limbourg) | 3530 |
| Houthalen, Limbourg) | 3530 |
| Houthalen-Helchteren, Limbourg) | 3530 |
| Postal Codes in Maaseik | |
|---|---|
| Bocholt | |
| Bree | |
| Dilsen-Stokkem | |
| Hamont-Achel | |
| Hechtel-Eksel | |
| Houthalen-Helchteren | |
| Kinrooi | |
| Lommel | |
| Maaseik | |
| Oudsbergen | |
| Peer | |
| Pelt | |