Vrijenhoek is een straat te Zevenhoven in de gemeente Nieuwkoop en is gelegen in de Nederlandse provincie Zuid-Holland.
| Postcode | Huisnummers |
|---|---|
| 2435 XV | 35, 37, 39, 41, 43, 45, 47, 33, 31D, 31C, 31B, 31A, 29, 27, 25, 23, 23A, 21, 19, 19A, 17, 15, 15A, 13, 11, 11A, 9, 7, 5, 3, 1; |
| 2435 XS | 2, 4, 6, 8, 10, 12, 14, 16, 18, 20, 22, 24, 26, 28, 30, 32, 34, 36, 38, 40, 42, 44, 46, 48; |