Caller ID Blocking Want to block your Caller ID on outbound calls? There are two easy ways to do that. Using the Phone You can toggle caller ID Blocking on/off with *67/*68 To block the caller ID on outbound calls on a per call basis press *67 before dialing a number. Caller ID will be blocked on that call. If you would like caller ID to be displayed again before making the next call, press *68 or simply hang up and dial. Using Virtual Office Online or Virtual Office Desktop You can go online to block and unblock Caller ID too. Click on your Settings tab, then click on My Profile. To block Caller ID from showing, select “none” next to Caller ID. To unblock Caller ID, select the phone number next to Caller ID.