| L1Z 1R4 information | |
|---|---|
| Streets | 9 |
| Province | Ontario |
| Postal District | L |
| Forward sortation areas(FSA) | L1Z |
| Local delivery units(LDU) | 1R4 |
| Name | Place | County | Postal Code |
|---|---|---|---|
| Ainsbury Avenue | Ajax | Durham | L1Z 1R4 |
| Ainsbury Avenue | Ajax | Durham | L1Z 1R4 |
| Ainsbury Avenue | Ajax | Durham | L1Z 1R4 |
| Bambridge Street | Ajax | Durham | L1Z 1R4 |
| Bambridge Street | Ajax | Durham | L1Z 1R4 |
| Byram Downs Street | Ajax | Durham | L1Z 1R4 |
| Headon Avenue | Ajax | Durham | L1Z 1R4 |
| Headon Avenue | Ajax | Durham | L1Z 1R4 |
| Turnerbury Avenue | Ajax | Durham | L1Z 1R4 |