**HOT** HIGH Value $1 off 20oz Mountain Dew Coupon This post may contain affiliate links. Please see the full disclosure policy here. Posted on December 7, 2011 Written by Mary Leave a Comment WOW – Head over and print this new HIGH VALUE $1 Mountain Dew Coupon – valid on 20 ounce size. Could mean FREE or super cheap soda! **To find it FAST put the zip code 43420 in the top left box, then choose BEVERAGE category-it was on page 2 for me** UPDATE: BOO! I just pulled mine off the printer, and instead of $1/1 like it says on the coupon page, it printed $1/2!