There are a number of regional agencies worldwide that supply ISBN numbers for self-published books. Here are some examples, along with their web addresses:
- International ISBN Agency: https://www.isbn-international.org/
- Bowker Identifier Services (USA): https://www.myidentifiers.com/
- Nielsen ISBN Agency (UK): https://www.nielsenisbnstore.com/
- Australian ISBN Agency: https://www.myidentifiers.com.au/
- ISBN Canada: https://www.bac-lac.gc.ca/eng/services/isbn-canada/Pages/isbn-canada.aspx
- New Zealand ISBN Agency: https://www.natlib.govt.nz/services/get-advice/publishing-and-related-services/isbn-agency
- German ISBN Agency: https://www.dnb.de/EN/Standardisierung/ISBN/node.html
- French ISBN Agency: https://www.livreshebdo.fr/article/creation-isbn-lagence-francaise-du-livre-renouvelle-son-offre
- Italian ISBN Agency: https://www.ibs.it/agency/isbn
- Spanish ISBN Agency: http://www.mecd.gob.es/cultura-mecd/areas-cultura/libro/mc/ISBN/inicio.html
Please note that some of these agencies may have specific eligibility requirements or fees associated with obtaining an ISBN number, so it's important to review their individual websites carefully to ensure that you are meeting their criteria and following their procedures.