It is possible that the OV-chipaccount was registered with an old or inactive e-mail address. You can not request your username.
We recommend you create a new OV-chipaccount. You can link your OV-chipkaart to this new account.
Do you want to delete your OV-chipaccount? Please fill in our contact form to let us know. You need to fill in the e-mail address used to create the OV-chipaccount.