Merwedestraat is een straat te Hardinxveld-Giessendam in de gemeente Hardinxveld-Giessendam en is gelegen in de Nederlandse provincie Zuid-Holland.
| Postcode | Huisnummers |
|---|---|
| 3371 SN | 25, 26, 28, 30, 32, 24, 23, 22, 21, 20, 19, 18, 17, 16, 15, 14, 13, 12, 11, 10, 9, 8, 7, 6, 5, 4, 3, 2, 1; |
| 3371 SR | 66, 68, 70, 72, 74, 76, 78, 80, 82, 84, 86, 88, 90, 92; |