Onstein is een straat te Doetinchem in de gemeente Doetinchem en is gelegen in de Nederlandse provincie Gelderland.
| Postcode | Huisnummers |
|---|---|
| 7006 JT | 111, 113, 115, 117, 123, 125, 127, 129, 131, 133, 135, 137, 139, 141, 143; |
| 7006 JR | 43A, 43, 45, 47, 49, 51, 53, 55, 57, 59, 61, 63, 65, 67, 69, 71, 77; |
| 7006 JV | 2A, 2, 4A, 4, 6A, 6, 8A, 8, 10A, 10, 12A, 12, 14A, 14, 16A, 16, 18, 20A, 20, 22A, 22, 24, 26, 28, 30, 32, 34, 36, 38, 40; |
| 7006 JP | 1, 3, 5, 7, 9, 13, 15, 17, 19, 21, 23, 25, 27, 29, 31, 33, 35, 37, 39, 41A, 41; |
| 7006 JS | 83, 85, 87, 89, 91, 93, 95, 97, 99, 101, 103A, 103, 105A, 105, 107, 109A, 109B, 109; |
| 7006 JW | 42, 44, 46, 48, 50, 52, 54, 56, 58, 60, 62, 64; |
| 7006 JX | 70, 72, 74, 76, 78, 80, 82, 84, 86, 88, 90, 92, 94, 96, 98, 100, 102, 104, 106; |