Westerlaan is een straat te Rotterdam in de gemeente Rotterdam en is gelegen in de Nederlandse provincie Zuid-Holland.
| Postcode | Huisnummers |
|---|---|
| 3016 CK | 34, 35, 37, 38, 39, 40, 41, 42, 44, 45, 46, 47, 49, 50, 51, 53, 54, 56, 57, 59, 60, 61, 62, 80, 33, 32, 31, 30, 29, 28, 27, 26, 25, 24, 22, 21, 20, 19, 17, 16, 15, 14, 13, 12, 11, 10, 5, 1; |