The Postal code of Highcastle Avenue is L4P 4B4, Highcastle Avenue is a street in Keswick Ontario, Canada. If you want to get more postal codes or address information please browse our website.
| Street Information | |
|---|---|
| Name | Highcastle Avenue |
| Local delivery units(LDU) | 4B4 |
| Forward sortation areas(FSA) | L4P |
| Postal Code | L4P 4B4 |
| Place | Keswick |
| County | York |
| Province | Ontario |