Horststraat is een straat te Arnhem in de gemeente Arnhem en is gelegen in de Nederlandse provincie Gelderland.
| Postcode | Huisnummers |
|---|---|
| 6845 LB | 12, 14, 16, 18, 20, 22, 24, 26, 28, 30, 32, 34, 10, 8, 6, 4, 36, 38, 40, 42; |
| 6845 LA | 41, 39, 37, 35, 33, 31, 29, 27, 25, 23, 21, 19, 17, 15, 13, 11, 9, 7, 5, 3; |