| Locality | Post Code |
|---|---|
| Anna Paulowna, Hollands Kroon | 1761 |
| Barsingerhorn, Hollands Kroon | 1768 |
| Breezand, Hollands Kroon | 1764 |
| Den Oever, Hollands Kroon | 1779 |
| Haringhuizen, Hollands Kroon | 1769 |
| Hippolytushoef, Hollands Kroon | 1777, 1779 |
| Kolhorn, Hollands Kroon | 1767 |
| Kreileroord, Hollands Kroon | 1773 |
| Lutjewinkel, Hollands Kroon | 1732 |
| Middenmeer, Hollands Kroon | 1775 |
| Nieuwe Niedorp, Hollands Kroon | 1733 |
| Oude Niedorp, Hollands Kroon | 1734 |
| Slootdorp, Hollands Kroon | 1774 |
| 't Veld, Hollands Kroon | 1735 |
| Westerland, Hollands Kroon | 1778 |
| Wieringerwaard, Hollands Kroon | 1766 |
| Wieringerwerf, Hollands Kroon | 1771 |
| Winkel, Hollands Kroon | 1731 |
| Zijdewind, Hollands Kroon | 1736 |