The CCTV room locker in Silent Hill Townfall uses the combination 0825. Enter the four-digit code to obtain the AUX Key and three Shotgun Rounds.
Once you get the Scalpel from Zoe's clinic in Silent Hill: Townfall, you'll be able to access the St. Amelia pharmacy. In the back office, you'll find a blue locker locked with a four-digit combo.