Your Account Information
Missionary Information
I am the missionary
I am NOT (missionary is my son, daughter, friend, etc)

https://www.mymission.com/

Enter your own Private Missionary Security Code in the field below (4+ alphanumeric characters). Then give this code to your family and friends so that they can access the Private Missionary's account. At the MyMission.com website, they need to go to the missionary page where they can enter the Security Code to gain access.
Neil-L-Andersen
If you’re not a full-time missionary with a missionary badge pinned on your coat, now is the time to paint one on your heart.

– Neil L. Andersen
General Conference, April 2013