Read your std. answer for 786.Is there a number we should try to obtain for our number plates,cell phone numbers etc.Preferable to use 786 or another number

There is no Shar?ee basis to use the number 786. It is not preferable either.

In fact, it may be a security threat as a Muslim can be easily identified by evil doers with a car number plate 786 or cellphone number 008786?.

and Allah Ta'ala Knows Best

Mufti Ebrahim Desai