| L3S 4B3 information | |
|---|---|
| Streets | 7 |
| Province | Ontario |
| Postal District | L |
| Forward sortation areas(FSA) | L3S |
| Local delivery units(LDU) | 4B3 |
| Name | Place | County | Postal Code |
|---|---|---|---|
| Buttonbush Avenue | Markham | York | L3S 4B3 |
| Meadowgrass Crescent | Markham | York | L3S 4B3 |
| Meadowgrass Crescent | Markham | York | L3S 4B3 |
| Russell Jarvis Drive | Markham | York | L3S 4B3 |
| Russell Jarvis Drive | Markham | York | L3S 4B3 |
| Sand Cherry Avenue | Markham | York | L3S 4B3 |
| Sand Cherry Avenue | Markham | York | L3S 4B3 |