Zandwerven is een straat te Spanbroek in de gemeente Opmeer en is gelegen in de Nederlandse provincie Noord-Holland.
| Postcode | Huisnummers |
|---|---|
| 1715 KM | 25, 27, 29, 31, 32, 33, 34, 35, 36, 37, 38, 39a, 39, 40a, 40, 41, 42, 43T, 43, 45, 47, 49, 50, 54, 56; |
| 1715 KL | 1, 2a, 2, 3, 4, 5T, 5, 6, 7, 8, 9, 10, 11a, 11b, 11, 12, 13, 14, 15, 16, 18, 19, 21, 23a, 23, 24; |