| L1T 4Y9 information | |
|---|---|
| Streets | 10 |
| Province | Ontario |
| Postal District | L |
| Forward sortation areas(FSA) | L1T |
| Local delivery units(LDU) | 4Y9 |
| Name | Place | County | Postal Code |
|---|---|---|---|
| Alden Square | Ajax | Durham | L1T 4Y9 |
| Grainger Crescent | Ajax | Durham | L1T 4Y9 |
| Grainger Crescent | Ajax | Durham | L1T 4Y9 |
| Grainger Crescent | Ajax | Durham | L1T 4Y9 |
| Grainger Crescent | Ajax | Durham | L1T 4Y9 |
| Haskell Avenue | Ajax | Durham | L1T 4Y9 |
| Haskell Avenue | Ajax | Durham | L1T 4Y9 |
| McQueen Crescent | Ajax | Durham | L1T 4Y9 |
| Welbourne Court | Ajax | Durham | L1T 4Y9 |
| Welbourne Court | Ajax | Durham | L1T 4Y9 |