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UN/LOCODE · CanadaON, Canada— seaport and airport.
CASTH is the UN/LOCODE for Saint-Thomas, ON, Canada — a seaport and airport. The code is used on Shipping Bills, Bills of Lading, GST e-invoices and other international trade documents.
Yes — Saint-Thomas (CASTH) is a UN/LOCODE recognised destination. Indian exporters list CASTH as the port of discharge / final destination on Shipping Bills, Bills of Lading and GST e-invoices when shipping to Canada.
The IATA airport code for Saint-Thomas is YQS. UN/LOCODE CASTH is the broader geo-location code used for customs and trade documents.
Saint-Thomas is located in ON. Use UN/LOCODE CASTH in any customs or trade document referencing this location.
Use CASTH on Shipping Bills filed at ICEGATE, GST e-invoices when goods are dispatched to or from this port, Bill of Lading port-of-loading / port-of-discharge fields, and on any export documentation that references a UN/LOCODE.
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