ISBN registration group
ISBN group 978-605 — Türkiye
ISBNs beginning 978-605 are issued for Türkiye. The group identifier has 3 digits.
Registrant (publisher) ranges
| Registrant range | Registrant digits | Publication digits | Titles per registrant | Registrants in range |
|---|---|---|---|---|
| 00–02 | 2 | 4 | 10,000 | 3 |
| 030–039 | 3 | 3 | 1,000 | 10 |
| 04–05 | 2 | 4 | 10,000 | 2 |
| 06000–06999 | 5 | 1 | 10 | 1,000 |
| 07–09 | 2 | 4 | 10,000 | 3 |
| 100–199 | 3 | 3 | 1,000 | 100 |
| 2000–2399 | 4 | 2 | 100 | 400 |
| 240–399 | 3 | 3 | 1,000 | 160 |
| 4000–5999 | 4 | 2 | 100 | 2,000 |
| 60000–74999 | 5 | 1 | 10 | 15,000 |
| 7500–7999 | 4 | 2 | 100 | 500 |
| 80000–89999 | 5 | 1 | 10 | 10,000 |
| 9000–9999 | 4 | 2 | 100 | 1,000 |
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 978-605-. 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).