ISBN registration group
ISBN group 978-88 — Italy
ISBNs beginning 978-88 are issued for Italy. The group identifier has 2 digits.
Registrant (publisher) ranges
| Registrant range | Registrant digits | Publication digits | Titles per registrant | Registrants in range |
|---|---|---|---|---|
| 00–19 | 2 | 5 | 100,000 | 20 |
| 200–311 | 3 | 4 | 10,000 | 112 |
| 31200–31499 | 5 | 2 | 100 | 300 |
| 315–318 | 3 | 4 | 10,000 | 4 |
| 31900–32299 | 5 | 2 | 100 | 400 |
| 323–326 | 3 | 4 | 10,000 | 4 |
| 3270–3389 | 4 | 3 | 1,000 | 120 |
| 339–360 | 3 | 4 | 10,000 | 22 |
| 3610–3629 | 4 | 3 | 1,000 | 20 |
| 363–548 | 3 | 4 | 10,000 | 186 |
| 5490–5549 | 4 | 3 | 1,000 | 60 |
| 555–599 | 3 | 4 | 10,000 | 45 |
| 6000–8499 | 4 | 3 | 1,000 | 2,500 |
| 85000–89999 | 5 | 2 | 100 | 5,000 |
| 900000–909999 | 6 | 1 | 10 | 10,000 |
| 910–926 | 3 | 4 | 10,000 | 17 |
| 9270–9399 | 4 | 3 | 1,000 | 130 |
| 940000–947999 | 6 | 1 | 10 | 8,000 |
| 94800–99999 | 5 | 2 | 100 | 5,200 |
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 978-88-. 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).