| L1B 1L6 information | |
|---|---|
| Streets | 6 |
| Province | Ontario |
| Postal District | L |
| Forward sortation areas(FSA) | L1B |
| Local delivery units(LDU) | 1L6 |
| Name | Place | County | Postal Code |
|---|---|---|---|
| Littlebrook Road | Newcastle | Durham | L1B 1L6 |
| Littlebrook Road | Newcastle | Durham | L1B 1L6 |
| Niagara Trail | Newcastle | Durham | L1B 1L6 |
| Niagara Trail | Newcastle | Durham | L1B 1L6 |
| Wilmot Trail | Newcastle | Durham | L1B 1L6 |
| Wilmot Trail | Newcastle | Durham | L1B 1L6 |