| L1T 4Y7 information | |
|---|---|
| Streets | 3 |
| Province | Ontario |
| Postal District | L |
| Forward sortation areas(FSA) | L1T |
| Local delivery units(LDU) | 4Y7 |
| Name | Place | County | Postal Code |
|---|---|---|---|
| Grainger Crescent | Ajax | Durham | L1T 4Y7 |
| Grainger Crescent | Ajax | Durham | L1T 4Y7 |
| Wheatley Crescent | Ajax | Durham | L1T 4Y7 |