Nieuwendam is een straat te Hoorn in de gemeente Hoorn en is gelegen in de Nederlandse provincie Noord-Holland.
| Postcode | Huisnummers |
|---|---|
| 1621 AP | 1, 1, 2A, 2E, 2F, 2G, 2H, 2, 3, 3, 4, 6, 7, 8, 9, 10A, 10B, 10C, 10, 11, 12, 13, 14, 15, 16, 17, 18; |
| 1621 AR | 21, 22, 23, 24A, 24, 25, 26, 27, 28, 29, 30, 31, 32, 33, 35, 36A, 36B, 36, 37; |