The developers state that WordlUnlock Codes Calculator is a Nokia-only tool, but in the screenshots it appears that another brand (eg. LG) is listed along with a model available for selection.
The only thing left for you is to try the application to see how it works, but the download is flagged. It means that when you try to install it on your PC, it will deploy other bundled software. Try finding an online service because there are plenty available and free as well.