How are contacts sorted in Contact view?

If you wish to view all individual contacts belonging to you and your team members:

1. Click on the Contacts menu at the top.
2. Select the Contact/Organization toggle button (see A).
   1. In this view, all the contacts are organized in alphanumeric groups ordered by contact's Last name or Organization name if Last name does not exist. 
3. Also there is the option to filter contacts alphabetically by clicking on the letter or number (see B).