| L1M 1B1 information | |
|---|---|
| Streets | 8 |
| Province | Ontario |
| Postal District | L |
| Forward sortation areas(FSA) | L1M |
| Local delivery units(LDU) | 1B1 |
| Name | Place | County | Postal Code |
|---|---|---|---|
| Montgomery Avenue | Whitby | Durham | L1M 1B1 |
| Montgomery Avenue | Whitby | Durham | L1M 1B1 |
| Pearl Street | Whitby | Durham | L1M 1B1 |
| Pearl Street | Whitby | Durham | L1M 1B1 |
| Price Street | Whitby | Durham | L1M 1B1 |
| Price Street | Whitby | Durham | L1M 1B1 |
| Princess Street | Whitby | Durham | L1M 1B1 |
| Princess Street | Whitby | Durham | L1M 1B1 |