Location and keypad code for Unpretentious Stash in Lesser Zone of Stalker 2.

Location

Unpretentious Stash is located in the Lesser Zone, outside of Sphere, top left of it in map, in a underground tunnel.

Go inside the tunnel and keep going left to find a small room in it.

If the keypad is off for you then you need to progress through the story and choose Cpt. Zotov to side with. It's in the beginning of the game, around the Behind Seven Seals quest.

Code

Type 2765 and press enter.