Neptunusstraat is een straat te Haarlem in de gemeente Haarlem en is gelegen in de Nederlandse provincie Noord-Holland.
| Postcode | Huisnummers |
|---|---|
| 2024 GN | 39 ZW, 41, 43, 45, 47, 49, 51, 53, 59, 39 RD, 37 ZW, 37 RD, 37A, 35, 33, 31, 29, 27 ZW, 27 RD; |
| 2024 GP | 2, 4, 6, 8, 10, 12, 14, 16 RD, 16 ZW, 18 RD, 18 ZW, 20, 22, 24, 26, 28; |
| 2024 GR | 30, 32, 34, 36, 38, 40, 42, 44, 46, 48, 50, 52, 54; |
| 2024 GM | 25 ZW, 25 RD, 25A, 23, 21, 19, 17, 15, 13, 11, 7, 5, 3, 1; |