Explore the complete postal network and administrative hierarchy of Ontario, including regions, prefectures, and local postcodes.
As a major administrative division of Canada, Ontario is subdivided into 49 regions. Our platform offers a detailed overview of postal codes and administrative structures for all areas within Ontario. Navigate through the localities below or use the interactive map to find specific geographic and postal information.
As a major administrative division of Canada, Ontario is officially identified by ISO code CA-ON.
Explore CanadaOur Ontario postal records are curated from official administrative sources. Please report any inconsistencies to help maintain our data quality.