Gerstakker is een straat te Wezep in de gemeente Oldebroek en is gelegen in de Nederlandse provincie Gelderland.
| Postcode | Huisnummers |
|---|---|
| 8091 NC | 27, 28, 29, 30, 31, 32, 33, 34, 36, 26, 25, 24, 23, 22, 21; |
| 8091 NB | 19, 17, 16, 15, 14, 13, 12, 11, 10, 9, 8, 7, 6, 5, 4, 3, 2, 1; |