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