| Locality | Postal Code |
|---|---|
| Postal/ZIP Codes in Alkmaar, Alkmaar | 1811, 1812, 1813, 1814, 1815, … |
| Postal/ZIP Codes in De Rijp, Alkmaar | 1483 |
| Postal/ZIP Codes in Driehuizen, Alkmaar | 1844 |
| Postal/ZIP Codes in Graft, Alkmaar | 1484 |
| Postal/ZIP Codes in Grootschermer, Alkmaar | 1843 |
| Postal/ZIP Codes in Koedijk, Alkmaar | 1831 |
| Postal/ZIP Codes in Markenbinnen, Alkmaar | 1536 |
| Postal/ZIP Codes in Noordeinde, Alkmaar | 1485 EV, 1485 ET |
| Postal/ZIP Codes in Oost-Graftdijk, Alkmaar | 1487 |
| Postal/ZIP Codes in Oterleek, Alkmaar | 1842 |
| Postal/ZIP Codes in Oudorp, Alkmaar | 1829 |
| Postal/ZIP Codes in Schermerhorn, Alkmaar | 1636 |
| Postal/ZIP Codes in Starnmeer, Alkmaar | 1488 |
| Postal/ZIP Codes in Stompetoren, Alkmaar | 1841 |
| Postal/ZIP Codes in Ursem, Alkmaar | 1646 |
| Postal/ZIP Codes in West-Graftdijk, Alkmaar | 1486 |
| Postal/ZIP Codes in Zuidschermer, Alkmaar | 1846, 1847 |