Roosje Voslaan is een straat te Heemstede in de gemeente Heemstede en is gelegen in de Nederlandse provincie Noord-Holland.
| Postcode | Huisnummers |
|---|---|
| 2104 TJ | 2 GB1, 2 GB2, 2 GB3, 2 GB4, 2, 4, 6, 8, 10, 12, 14, 16, 18, 20, 22, 24, 26, 28, 30, 32, 34, 36, 38, 40, 42, 44, 46, 48, 50; |
| 2104 TH | 33, 31, 29, 27, 25, 23, 21, 19, 17, 15, 13, 11, 9, 7, 5, 3, 1; |