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FAQs for existing publishers

The barcode number for a book should be the same as the 13-digit ISBN. If you have any unused ISBN numbers in 10-digit format, they must be converted to 13-digits before using them. The ISBN Agency can convert 10-digit numbers to 13-digit form (for a fee) or you can convert numbers free of charge yourself using the International ISBN Agency's ISBN-13 Converter. Please contact the UK ISBN Agency for the password.

If your ISBN or ISBN prefix has been allocated by the UK & Ireland ISBN Agency and is for a single ISBN number or from a block of 10 ISBN numbers you can purchase barcodes from this site. A useful reference guide to bar-coding and other barcode software suppliers is available on the Book Industry Communications website www.bic.org.uk/30/Bar-Coding-RFID/