ISBN registration group
ISBN group 979-12 — Italy
ISBNs beginning 979-12 are issued for Italy. The group identifier has 2 digits.
Registrant (publisher) ranges
| Registrant range | Registrant digits | Publication digits | Titles per registrant | Registrants in range |
|---|---|---|---|---|
| 0000000–1999999 | — | — | — | Not yet assigned |
| 200–299 | 3 | 4 | 10,000 | 100 |
| 3000000–5449999 | — | — | — | Not yet assigned |
| 5450–5999 | 4 | 3 | 1,000 | 550 |
| 6000000–7999999 | — | — | — | Not yet assigned |
| 80000–84999 | 5 | 2 | 100 | 5,000 |
| 8500000–9849999 | — | — | — | Not yet assigned |
| 985000–999999 | 6 | 1 | 10 | 15,000 |
Shorter registrant numbers are issued to larger publishers (more publication digits = more titles).
Reading an ISBN from this group
Every ISBN in this group starts 979-12-. The next digits are the registrant; look up which range the following seven digits fall into to know how long the registrant element is. For example, if the registrant has 2 digits, the publication element has 5 digits, then comes the check digit.
Check, convert or hyphenate any ISBN with the ISBN converter, and make a print-ready barcode with the ISBN barcode generator.
Sources & data
- International ISBN Agency RangeMessage (Fri, 2 Oct 2026 16:08:21 UTC).