To find the latest Western Union promo codes, you can visit their official website or check their social media channels for ongoing promotions. Additionally, coupon websites often list current codes that can provide discounts on money transfers. Keep in mind that these offers may vary based on location and specific transfer amounts, so always read the terms and conditions. If you're unsure, it's a good idea to contact Western Union customer service for assistance in finding applicable promo codes before making your transfer.