The Postal code of John Street is L3Y 4G6, John Street is a street in Newmarket Ontario, Canada. If you want to get more postal codes or address information please browse our website.
| Street Information | |
|---|---|
| Name | John Street |
| Local delivery units(LDU) | 4G6 |
| Forward sortation areas(FSA) | L3Y |
| Postal Code | L3Y 4G6 |
| Place | Newmarket |
| County | York |
| Province | Ontario |