Free Big Mac or Egg McMuffin with purchase of same. Redemption Instructions Log in to view the redemption instructions for this offer. Participating locations include: McDonald's 154 US-6 Mahopac, NY 10541 Phone: 845-628-0794 Map McDonald's 20 Welcher Ave Peekskill, NY 10566 Phone: 914-734-1449 Map McDonald's 3001 E Main St Mohegan Lake, NY 10547 Phone: 914-528-0180 Map Sharing Options Share Offer Copy Link
