There is a new Redbox code available for a free rental through March 6th.
Usually I recommend reserving your movie online so you can confirm the codes work but this time around this particular code does not work online.
I did test it myself at the box today though and it worked fine for me!
Just head over to a Redbox kiosk and try code: DVDNIGHT.
Hopefully this works for everyone through 3/6.