UrbaneBox Thanksgiving Sale: Get $20 Off Your First Box! Last updated by Hello Subscription on November 2, 2018. Subscription Box Coupons & Deals / UrbaneBox Coupons Hello Subscription may earn compensation via links in this post. Read the full disclosure Save for Later Notification UrbaneBox is having a Thanksgiving Sale! Get $20 off your first box with coupon code UBTHA20. Valid until 11/30. Visit UrbaneBox to subscribe or find out more!