Kasteellaan is een straat te Hoorn in de gemeente Hoorn en is gelegen in de Nederlandse provincie Noord-Holland.
| Postcode | Huisnummers |
|---|---|
| 1628 KN | 12, 13, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23, 24, 25, 26, 11, 10, 9, 8, 7, 6, 5, 4, 3, 2, 1; |
| 1628 KP | 39, 38, 37, 36, 35, 34, 33, 32, 31, 30, 29, 28, 27; |