ISBN registration group
ISBN group 978-978 — Nigeria
ISBNs beginning 978-978 are issued for Nigeria. The group identifier has 3 digits.
Registrant (publisher) ranges
| Registrant range | Registrant digits | Publication digits | Titles per registrant | Registrants in range |
|---|---|---|---|---|
| 000–199 | 3 | 3 | 1,000 | 200 |
| 2000–2999 | 4 | 2 | 100 | 1,000 |
| 30000–66999 | 5 | 1 | 10 | 37,000 |
| 67–68 | 2 | 4 | 10,000 | 2 |
| 690–699 | 3 | 3 | 1,000 | 10 |
| 7000000–7649999 | — | — | — | Not yet assigned |
| 765–799 | 3 | 3 | 1,000 | 35 |
| 8000–8999 | 4 | 2 | 100 | 1,000 |
| 900–999 | 3 | 3 | 1,000 | 100 |
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 978-978-. 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 3 digits, the publication element has 3 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).