Nokia Lumia 1020
Scroll to the left to speed dial.
Add who you want.
From then on tapping the phone icon brings you to the list. It isn't press a number speed dial. Since you have to take another tap to bring up the keypad this seems to be quicker. Also, the contact photos are helpful.
(Lumia 1020 ATT&T
OS version 8.10.14226.359)