https://docs.npmjs.com/package-scope-access-level-and-visibility
Note: Only user accounts can create and manage unscoped packages. Organizations can only manage scoped packages.
https://docs.npmjs.com/about-organization-scopes-and-packages
While you are granted a scope by default when you create an organization, you can also use organizations to manage unscoped packages, or packages under a different scope (such as a user scope).
https://docs.npmjs.com/package-scope-access-level-and-visibility
https://docs.npmjs.com/about-organization-scopes-and-packages