Above are our top recommendations for how to contact Dollar Rent-A-Car, including their top phone number and live chat options. Below you can compare and contrast the 4 ways to contact Dollar Rent-A-Car by looking at which ones are the fastest and which ones other customers recommend the most for solving Dollar Rent-A-Car customer service issues as reported to us by the 50 million or so customers that come to GetHuman each year and share their experiences. You can contact Dollar Rent-A-Car across the following mediums: Phone, Email, Web.