Originally Posted by syzygy8
ATM's in Argentina are much more accomodating than they are in the States with regards to denominations available. May I recommend to others what I do? Instead of withdrawing $400AR, withdraw $390AR (or some total ending in -90). At least that way you have some smaller denomination notes to work with until you can get those hundreds cashed out.
Great tip ! I do this very often whenever at any ATM in Argentina, to avoid the change issue.