GS1 Identification Keys (ID Keys)

There are seven GS1 Identification Keys that support the identification of items, services, locations, logistic units, returnable containers, etc. The GS1 Company Prefix assigned to a user company allow that user company to create any of the GS1 identification keys.

Key Concepts

• GTIN - Global Trade Item Number
• GLN - Global Location Number
• SSCC – Serial Shipping Container Code
• GRAI – Global Returnable Asset Identifier
• GIAI – Global Individual Asset Identifier
• GSRN – Global Service Relation Number
• GDTI – Global Document Type Identifier

Key Questions

• How do I assign identification numbers?
• Where can I find more information about GS1 Application Identifiers?