Oostwijkstraat is een straat te Steenwijk in de gemeente Steenwijkerland en is gelegen in de Nederlandse provincie Overijssel.
| Postcode | Huisnummers |
|---|---|
| 8331 EA | 3, 5, 7, 9, 11, 13, 15, 17, 19, 21, 23, 25; |
| 8331 EB | 27, 29, 31, 33, 35, 37, 39, 41, 43, 45, 47, 49, 51; |
| 8331 EC | 53, 55, 57, 59, 61, 63, 69, 71, 73, 75, 77, 79, 81, 83, 85, 87, 89, 91, 93, 95, 97, 99, 101, 103, 105; |
| 8331 ED | 2A, 2, 8, 10A, 12, 14, 16, 18, 20, 28; |
| 8331 EE | 30A, 30, 32, 34, 36, 38, 40, 42, 44, 46, 48, 50, 52, 54, 56, 58, 62; |
| 8331 EG | 66, 68, 70, 72, 74, 76, 78, 80, 82, 84, 86, 92, 94, 96, 98, 102, 108, 106; |