ISBN registration group
ISBN group 978-624 — Sri Lanka
ISBNs beginning 978-624 are issued for Sri Lanka. The group identifier has 3 digits.
Registrant (publisher) ranges
| Registrant range | Registrant digits | Publication digits | Titles per registrant | Registrants in range |
|---|---|---|---|---|
| 00–04 | 2 | 4 | 10,000 | 5 |
| 0500000–1999999 | — | — | — | Not yet assigned |
| 200–249 | 3 | 3 | 1,000 | 50 |
| 2500000–4849999 | — | — | — | Not yet assigned |
| 4850–7199 | 4 | 2 | 100 | 2,350 |
| 7200000–9099999 | — | — | — | Not yet assigned |
| 91000–99999 | 5 | 1 | 10 | 9,000 |
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 978-624-. 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 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, 2 Oct 2026 16:08:21 UTC).