| L1R 3H4 information | |
|---|---|
| Streets | 3 |
| Province | Ontario |
| Postal District | L |
| Forward sortation areas(FSA) | L1R |
| Local delivery units(LDU) | 3H4 |
| Name | Place | County | Postal Code |
|---|---|---|---|
| Barrister Avenue | Whitby | Durham | L1R 3H4 |
| Macmillan Avenue | Whitby | Durham | L1R 3H4 |
| Macmillan Avenue | Whitby | Durham | L1R 3H4 |