When used on a verb of motion, the prefix за- has the following meanings:
  • stop in (at somebody's place) (used with к + Dat.)
  • stop by for (to pick somebody up) (used with за + Inst.)
Ї зашлђ к немџ. I stopped in at his place.
Ї зайдџ за вђми в пїть. I'll stop by for you (pick you up) at five.