Parnassialaan is een straat te Hellevoetsluis in de gemeente Hellevoetsluis en is gelegen in de Nederlandse provincie Zuid-Holland.
| Postcode | Huisnummers |
|---|---|
| 3222 VP | 3, 5, 7, 9, 11, 13, 15, 17, 19, 21, 23, 25a, 25, 27a, 27, 29, 31, 33; |
| 3222 VR | 35, 37, 39, 41, 43, 45, 47, 49, 51, 53, 55, 57, 59, 61, 63, 65; |
| 3222 VS | 67, 69, 71, 73, 75, 77, 79, 81, 83, 85, 87, 89, 91, 93, 95, 97; |
| 3222 VT | 101, 103, 105, 107, 109, 111, 113, 115, 117, 119, 121, 123, 125, 127, 129, 131; |
| 3222 VV | 133, 135, 137, 139, 141, 143, 145, 147, 149, 151, 153, 155a, 155, 157, 159, 161, 163; |
| 3222 VW | 165, 167, 169, 171a, 171, 173, 175, 177, 179, 181, 183, 185, 187a, 187, 189, 191, 193, 195; |