Handvastwater is een straat te Enkhuizen in de gemeente Enkhuizen en is gelegen in de Nederlandse provincie Noord-Holland.
| Postcode | Huisnummers |
|---|---|
| 1601 PR | 18, 20, 22, 22, 26, 30, 32, 36, 38, 40, 46, 48, 50, 52, 12, 10, 8, 4; |
| 1601 PP | 51, 49, 47, 45, 43, 41, 39, 37, 35, 29, 25, 23, 19, 17, 15, 13, 11a, 7, 5, 1; |