ISBN registration group
ISBN group 978-977 — Egypt
ISBNs beginning 978-977 are issued for Egypt. The group identifier has 3 digits.
Registrant (publisher) ranges
| Registrant range | Registrant digits | Publication digits | Titles per registrant | Registrants in range |
|---|---|---|---|---|
| 00–19 | 2 | 4 | 10,000 | 20 |
| 200–499 | 3 | 3 | 1,000 | 300 |
| 5000–6999 | 4 | 2 | 100 | 2,000 |
| 700–849 | 3 | 3 | 1,000 | 150 |
| 85000–87399 | 5 | 1 | 10 | 2,400 |
| 8740–8899 | 4 | 2 | 100 | 160 |
| 890–894 | 3 | 3 | 1,000 | 5 |
| 8950–8999 | 4 | 2 | 100 | 50 |
| 90–95 | 2 | 4 | 10,000 | 6 |
| 9600–9699 | 4 | 2 | 100 | 100 |
| 970–999 | 3 | 3 | 1,000 | 30 |
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 978-977-. 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).