Help Center
Our help centers offers answers to frequently asked questions regarding UPC barcodes and GTINs. it is a knowledge base to help you understand how UPC barcodes work and are used. You can browse by topic below.
Common Questions & General Information:
- Guide to UPC Barcodes
- How much are UPC codes?
- Can you print labels for my barcodes?
- Do I need a separate UPC Codes for every product?
- How do I look up a UPC code?
- Will my UPC Codes ever expire?
- Do I need to buy a UPC barcode?
- Do I need to register my UPC Codes?
- How to purchase UPC Codes to Sell in Walmart
- How many digits are in a UPC Code?
- How do I buy a barcode?
- What is the GS1?
- Where can I use the UPC Codes that I purchase from you?
- My codes aren’t formatted correctly or showing as all the same, what do I do?
- When I search the GS1 database, a different company comes up, not mine. Why?
- I want to sell my book; do I need a UPC, EAN or ISBN number?
- Why isn’t my company name coming up when scanned by my smartphone?
- Do I have to have a UPC code in order to sell my products online?
Common Amazon Errors:
- The SKU does not match any ASIN and contains invalid value(s) for attributes required for creation of a new ASIN.
- This ASIN has GTIN codes that do not match the brand associated to the ASIN
- You are using UPCs, EANs, ISBNs, ASINs, or JAN codes that do not match the products you are trying to list.
- The SKU data provided is different from what’s already in the Amazon catalog
General UPC Articles:
- GTIN vs. UPC – What are they and How to Use Barcodes
- ITF-14 Barcodes
- SKUs vs UPCs: Differences, Roles in Inventory Management and Which one to Use
- Barcodes For Alcohol / Liquor
- Barcodes for Music
- GS1 Settlement with UCC
- Barcodes for Books: What is an ISBN for Books?
- Universal Product Number (UPN) for Medical, Pharmaceutical, & Surgical Products
- What is a Master Carton (SCC-14) Code?
- Top 12 Myths about UPC Barcodes
- Online Barcode Generators
If you have any questions that aren’t answered here, please reach out and we’re glad to help you!