Buy 1 Get 1 Free Culvers Double Deluxe ButterBurger. Redemption Instructions Log in to view the redemption instructions for this offer. Participating locations include: Culver's 163 Pole Line Road Twin Falls, ID 83301 Phone: 208-595-2774 Map Culver's 163 Pole Line Road Twin Falls, ID 83301 Phone: 208-595-2774 Map Sharing Options Share Offer Copy Link