Help centre

Find some of the most common questions, tools and resources our members refer to. If you can't find what you're looking for, contact the GS1 Customer Support team or phone 1300 BARCODE.

How-to guides

Get step-by-step help with our handy how-to guides.

Resources to help your business

Allocation rules and guidelines

Learn about different GS1 ID Keys to suit different uses. They identify anything from a product or place to a consignment note or crate.

Need to know when to change a barcode number?

View the Global Trade Item Number (GTIN) Management Standard.

Barcode basics

Video • 1:38min

How to create a barcode

Video • 4:08min

Sending something to us or dropping in?

Our Melbourne head office address

GS1 Australia 
8 Nexus Court 
Mulgrave VIC 3170
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Our Sydney head office address

Lakes Business Park 
(1st Floor) Building 4, 2-4 Lord Street 
Botany NSW 2019
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