Hotwire.com is an online travel agency that offers discounted rates on flights, hotels, car rentals and vacation packages. Hotwire.com also offers coupons or promotional codes that give customers an additional discount on already discounted prices. These coupons can be found on Hotwire's website or on various coupon websites. To use the coupon, customers need to enter the code during the checkout process. The value of the discount varies, and the terms and conditions of the coupon are specified on the website. Hotwire.com coupons are a great way for savvy travelers to save money on their travel expenses.

Hotwire.com does not provide a public phone number or email address for customer support inquiries. Instead, they offer a contact form on their website for customers to submit their questions and concerns: https://www.hotwire.com/customer-care/contact-us?locationId=Hotwire_US&tab=flight. Additionally, customers can access the Help Center on the Hotwire website for answers to frequently asked questions: https://help.hotwire.com/hc/en-us.