Region List
- L4G 1L4 - Aurora, York, Ontario
- L4G 1L5 - Aurora, York, Ontario
- L4G 1L8 - Aurora, York, Ontario
- L4G 1L9 - Aurora, York, Ontario
- L4G 1M1 - Aurora, York, Ontario
- L4G 1M2 - Aurora, York, Ontario
- L4G 1M4 - Aurora, York, Ontario
- L4G 1M3 - Aurora, York, Ontario
- L4G 1M5 - Aurora, York, Ontario
- L4G 1M6 - Aurora, York, Ontario
- L4G 1M7 - Aurora, York, Ontario
- L4G 1M8 - Aurora, York, Ontario
- L4G 1M9 - Aurora, York, Ontario
- L4G 1N1 - Aurora, York, Ontario
- L4G 1N2 - Aurora, York, Ontario
- L4G 1N3 - Aurora, York, Ontario
- L4G 1N4 - Aurora, York, Ontario
- L4G 1N5 - Aurora, York, Ontario
- L4G 1N6 - Aurora, York, Ontario
- L4G 1N7 - Aurora, York, Ontario