ISBN registration group
ISBN group 979-13 — Spain
ISBNs beginning 979-13 are issued for Spain. The group identifier has 2 digits.
Registrant (publisher) ranges
| Registrant range | Registrant digits | Publication digits | Titles per registrant | Registrants in range |
|---|---|---|---|---|
| 00–00 | 2 | 5 | 100,000 | 1 |
| 0100000–5999999 | — | — | — | Not yet assigned |
| 600–604 | 3 | 4 | 10,000 | 5 |
| 6050000–6999999 | — | — | — | Not yet assigned |
| 7000–7349 | 4 | 3 | 1,000 | 350 |
| 7350000–8749999 | — | — | — | Not yet assigned |
| 87500–89999 | 5 | 2 | 100 | 2,500 |
| 9000000–9899999 | — | — | — | Not yet assigned |
| 990000–999999 | 6 | 1 | 10 | 10,000 |
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 979-13-. 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).