SIM deletion on the cellular network is a permanent process. Therefore, to avoid any accidents SIM deletion has to be taken care of by our team. To get your SIM(s) deleted you simply need to send an email to firstname.lastname@example.org from the email account that owns the SIM(s) following the template below:
Subject: SIM deletion for Organization ORGANIZATION_NAME
Please permanently delete the following SIM(s):
If you plan on using your SIM(s) in the future, instead of deleting them we recommend changing them to the Flexible Plan and pausing them to place them in "hibernation" and only get charged the network registration fee.