The Postal code of Howston Avenue is N7V 3Y8, Howston Avenue is a street in Sarnia Ontario, Canada. If you want to get more postal codes or address information please browse our website.
| Street Information | |
|---|---|
| Name | Howston Avenue |
| Local delivery units(LDU) | 3Y8 |
| Forward sortation areas(FSA) | N7V |
| Postal Code | N7V 3Y8 |
| Place | Sarnia |
| County | Lambton |
| Province | Ontario |