Data Last Updated: June 15, 2025
Postal Code L3R 5N4, UNIONVILLE Information
| Postal Code: | L3R 5N4 |
| City: | UNIONVILLE |
| Area Name: | MARKHAM |
| Province: | ON |
| Area Code: | 905 |
| Time Zone: | 5 |
| Day Light Savings: | Y |
| Latitude: | 43.851948 |
| Longitude: | -79.278272 |
| Elevation | 0 meters |
| Population: | 62,060 |
| Dwellings: | 21,994 |
| Census Division: | |
| Census Metropolitan Area: | Toronto |
| Census Subdivision: | Markham |
| Federal Electoral District: | Markham--Thornhill |
| Designated Place: | |
| Economic Region: | Toronto |
| Census Dissemination Area: | |
| Census Dissemination Block: | |
| Census Consolidated Subdivision: | Markham |
| Census Tract: | 0400.11 |
| Population Centre: | Toronto |
