Voorstraat is een straat te Katwijk in de gemeente Katwijk en is gelegen in de Nederlandse provincie Zuid-Holland.
| Postcode | Huisnummers |
|---|---|
| 2225 ET | 92, 94A, 94B, 94, 94, 96A, 96, 98A, 98, 100; |
| 2225 EN | 87A, 87, 89, 91, 93, 95, 97, 99, 101, 103, 105, 107A, 107, 109, 111, 113, 115, 117, 119; |
| 2225 EW | 118, 120, 122, 124, 126, 128, 130, 132, 134, 136, 138, 140, 142, 144, 146, 148, 150, 152, 154, 158; |
| 2225 EM | 57, 59, 61A, 61B, 61C, 61D, 61, 63, 65, 67A, 67, 69A, 69B, 69, 71A, 71B, 71, 73A, 73B, 73, 75, 77A, 77B, 77C, 77, 79; |
| 2225 EL | 31A, 31, 33, 37A, 37, 39A, 39B, 39C, 39, 41, 43A, 43, 47, 49, 49; |
| 2225 EK | 13A, 13, 15, 17, 19, 21, 23A, 23, 25, 27A, 27, 29; |
| 2225 EP | 121, 123, 125, 127, 129, 131, 133, 135, 137; |
| 2225 EJ | 3A, 5, 9, 9, 11, 11; |
| 2225 ER | 10, 12, 14, 16, 18, 20, 22, 24, 36A, 36B, 36C, 36, 40A, 40, 42A, 42, 44A, 44B, 44, 46; |
| 2225 EV | 102, 104, 106, 108, 110, 112, 114, 116A, 116; |
| 2225 ES | 50A, 50B, 50, 52, 58, 60, 62, 64A, 64, 66A, 66B, 66, 68, 70, 72, 74, 76A, 76B, 76, 78, 80; |