ISBN registration group
ISBN group 978-0 — English language
ISBNs beginning 978-0 are issued for English language. The group identifier has 1 digit.
Registrant (publisher) ranges
| Registrant range | Registrant digits | Publication digits | Titles per registrant | Registrants in range |
|---|---|---|---|---|
| 00–19 | 2 | 6 | 1,000,000 | 20 |
| 200–227 | 3 | 5 | 100,000 | 28 |
| 2280–2289 | 4 | 4 | 10,000 | 10 |
| 229–368 | 3 | 5 | 100,000 | 140 |
| 3690–3699 | 4 | 4 | 10,000 | 10 |
| 370–638 | 3 | 5 | 100,000 | 269 |
| 6390–6397 | 4 | 4 | 10,000 | 8 |
| 6398000–6399999 | 7 | 1 | 10 | 2,000 |
| 640–644 | 3 | 5 | 100,000 | 5 |
| 6450000–6459999 | 7 | 1 | 10 | 10,000 |
| 646–647 | 3 | 5 | 100,000 | 2 |
| 6480000–6489999 | 7 | 1 | 10 | 10,000 |
| 649–654 | 3 | 5 | 100,000 | 6 |
| 6550–6559 | 4 | 4 | 10,000 | 10 |
| 656–699 | 3 | 5 | 100,000 | 44 |
| 7000–8499 | 4 | 4 | 10,000 | 1,500 |
| 85000–89999 | 5 | 3 | 1,000 | 5,000 |
| 900000–900370 | 6 | 2 | 100 | 371 |
| 9003710–9003719 | 7 | 1 | 10 | 10 |
| 900372–949999 | 6 | 2 | 100 | 49,628 |
| 9500000–9999999 | 7 | 1 | 10 | 500,000 |
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 978-0-. 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 6 digits, then comes the check digit.
Where authors get ISBNs
| Country | Agency | Cost |
|---|---|---|
| United States | Bowker | Paid (cheaper in blocks of 10 or more) |
| United Kingdom | Nielsen ISBN Agency for UK & Ireland | Paid |
| Ireland | Nielsen ISBN Agency for UK & Ireland | Paid |
| Canada | ISBN Canada (Library and Archives Canada) | Free |
| Australia | Thorpe-Bowker | Paid |
| New Zealand | National Library of New Zealand | Free |
| South Africa | National Library of South Africa | Free |
Prices and procedures change; check the agency website. Buy ISBNs only from your national agency or its authorised resellers.
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).