International ISMN Agency

The International Standard Music Number for Notated Music.
A System for Publishing, Distribution and Library Practices

ISMN Ranges / Check Digit Calculator

Ranges of ISMN publisher identifiers

List of ranges of ISMN publisher IDs sorted by country or region, list of ranges of ISMN publisher IDs sorted by number and list of publisher IDs allocated to publishers directly by the International ISMN Agency

Lists of ranges

Check digit calculator

Calculate the check digit belonging to a given publisher element and item element of an ISMN.

Please note: All publisher elements must fit into the general number scheme:

000 - 099
1000 - 3999
40000 - 69999
700000 - 899999
9000000 - 9999999
Check digit calculator

To calculate the check digit of an ISMN, enter the first 12 digits of the number.