Johan de Wittstraat is een straat te Wassenaar in de gemeente Wassenaar en is gelegen in de Nederlandse provincie Zuid-Holland.
| Postcode | Huisnummers |
|---|---|
| 2242 LA | 1, 3A, 3, 5A, 5B, 5, 7, 9A, 9, 11, 13, 15, 17, 19, 21, 23, 25, 27, 29, 31, 33A, 33; |
| 2242 LB | 2, 4, 6A, 6B, 6, 8, 10, 12, 14, 16, 18, 20; |
| 2242 LC | 22, 24, 26, 28, 30, 32, 34, 36, 44, 44, 46, 48, 50, 52, 54, 56, 58, 60, 62, 64, 66, 68, 70, 72, 74, 76, 78, 80, 82, 84, 86, 88, 90; |
| 2242 LV | 37, 39, 41, 43, 45, 47, 49; |
| 2242 TW | 65, 67, 69, 71, 73, 75, 77, 79, 81, 83, 85, 87, 89, 91, 93, 95, 97, 99, 101, 103, 105, 107, 109, 111, 113, 115, 117, 119, 121, 123, 125, 127, 129, 131, 133, 135, 137, 139, 141, 143, 145, 147, 149, 151, 153, 155, 157, 159, 161, 163, 167, 169, 173, 175, 177; |