ISBN registration group
ISBN group 978-9921 — Kuwait
ISBNs beginning 978-9921 are issued for Kuwait. The group identifier has 4 digits.
Registrant (publisher) ranges
| Registrant range | Registrant digits | Publication digits | Titles per registrant | Registrants in range |
|---|---|---|---|---|
| 0–0 | 1 | 4 | 10,000 | 1 |
| 1000000–2999999 | — | — | — | Not yet assigned |
| 30–39 | 2 | 3 | 1,000 | 10 |
| 4000000–6999999 | — | — | — | Not yet assigned |
| 700–899 | 3 | 2 | 100 | 200 |
| 9000000–9699999 | — | — | — | Not yet assigned |
| 9700–9999 | 4 | 1 | 10 | 300 |
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 978-9921-. 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 1 digits, the publication element has 4 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, 6 Nov 2026 03:30:05 UTC).