Havenplein is een straat te Spaarndam gem. Haarlem in de gemeente Haarlem en is gelegen in de Nederlandse provincie Noord-Holland.
| Postcode | Huisnummers |
|---|---|
| 2063 JE | 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21, 22; |
| 2063 JG | 23, 24, 25, 26, 27, 28, 29, 30, 31A, 31, 32, 33, 34, 35, 36; |