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 | 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23, 24, 25, 26, 28, 30, 32; |
| 3371 SR | 66, 68, 70, 72, 74, 76, 78, 80, 82, 84, 86, 88, 90, 92; |