ISBN registration group
ISBN group 979-8 — United States
ISBNs beginning 979-8 are issued for United States. The group identifier has 1 digit.
Registrant (publisher) ranges
| Registrant range | Registrant digits | Publication digits | Titles per registrant | Registrants in range |
|---|---|---|---|---|
| 0000000–0299999 | — | — | — | Not yet assigned |
| 030–034 | 3 | 5 | 100,000 | 5 |
| 0350000–1599999 | — | — | — | Not yet assigned |
| 1600–1699 | 4 | 4 | 10,000 | 100 |
| 1700–1799 | 4 | 4 | 10,000 | 100 |
| 1800–1949 | 4 | 4 | 10,000 | 150 |
| 1950–1999 | 4 | 4 | 10,000 | 50 |
| 200–239 | 3 | 5 | 100,000 | 40 |
| 2400–2599 | 4 | 4 | 10,000 | 200 |
| 2600–2799 | 4 | 4 | 10,000 | 200 |
| 2800–2999 | 4 | 4 | 10,000 | 200 |
| 3000–8849 | 4 | 4 | 10,000 | 5,850 |
| 88500–89999 | 5 | 3 | 1,000 | 1,500 |
| 90000–90999 | 5 | 3 | 1,000 | 1,000 |
| 9100000–9449999 | — | — | — | Not yet assigned |
| 94500–94999 | 5 | 3 | 1,000 | 500 |
| 950000–969999 | 6 | 2 | 100 | 20,000 |
| 9700000–9819999 | — | — | — | Not yet assigned |
| 9820000–9849999 | 7 | 1 | 10 | 30,000 |
| 9850000–9929999 | 7 | 1 | 10 | 80,000 |
| 9930000–9959999 | 7 | 1 | 10 | 30,000 |
| 9960000–9984999 | 7 | 1 | 10 | 25,000 |
| 9985000–9999999 | 7 | 1 | 10 | 15,000 |
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 979-8-. 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) |
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).