In Canada, postal codes like H1S 3G1 are structured as "Forward Sortation Areas" (the first three characters) and "Local Delivery Units" (the last three characters). The prefix identifies the Saint-Léonard district specifically, while 3G1 narrows it down to a small group of addresses, often a single block or a large building.

The code "[Lat] H1S3G1 - 01" refers to a specific geographic location in . Specifically, H1S 3G1 is a Canadian postal code serving the Saint-Léonard neighborhood. Spotlight on H1S 3G1: The Heart of Saint-Léonard

Whether you are looking for local services or just exploring the map of Montreal, this small patch of Québec represents the blend of tradition and modernity that defines the city. What are postal codes? - Smarty