Geertruyt van Oostenstraat is een straat te Delft in de gemeente Delft en is gelegen in de Nederlandse provincie Zuid-Holland.
| Postcode | Huisnummers |
|---|---|
| 2612 RG | 12, 14, 16, 18, 20, 22, 24, 26, 28, 30, 32, 34, 36, 10, 8, 6, 4, 2; |
| 2612 RH | 38, 40, 42, 44, 46, 48, 50, 52, 54, 56, 58, 60A, 60, 62A, 62, 64A, 64, 66A, 66, 68A, 68, 70A, 70, 72A, 72, 74, 76, 78, 80, 82, 84; |
| 2612 RE | 37, 35, 33, 31, 29, 27, 25, 23, 21, 19, 17, 15, 13, 11, 9, 7, 5, 3, 1; |
| 2612 RP | 53, 55, 57, 59, 61, 63, 65, 67, 69; |