Geertruyt van Oostenstraat is een straat te Delft in de gemeente Delft en is gelegen in de Nederlandse provincie Zuid-Holland.
| Postcode | Huisnummers |
|---|---|
| 2612 RP | 65, 67, 69, 63, 61, 59, 57, 55, 53; |
| 2612 RG | 36, 34, 32, 30, 28, 26, 24, 22, 20, 18, 16, 14, 12, 10, 8, 6, 4, 2; |
| 2612 RE | 33, 35, 37, 1, 3, 5, 7, 9, 11, 13, 15, 17, 19, 21, 23, 25, 27, 29, 31; |
| 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; |