| L1R 3A1 information | |
|---|---|
| Streets | 7 |
| Province | Ontario |
| Postal District | L |
| Forward sortation areas(FSA) | L1R |
| Local delivery units(LDU) | 3A1 |
| Name | Place | County | Postal Code |
|---|---|---|---|
| Fawcett Avenue | Whitby | Durham | L1R 3A1 |
| Fawcett Avenue | Whitby | Durham | L1R 3A1 |
| Fawcett Avenue | Whitby | Durham | L1R 3A1 |
| Juneau Crescent | Whitby | Durham | L1R 3A1 |
| Lazio Street | Whitby | Durham | L1R 3A1 |
| Toscana Drive | Whitby | Durham | L1R 3A1 |
| Toscana Drive | Whitby | Durham | L1R 3A1 |