DHL lists current contact phone numbers at its website, DHL.USA.com. The general customer service phone number for customers in the United States is 800-225-5345, as of May 2015. Customers who receive an attempted delivery notice can call 888-273-8876 for further assistance.
As of May 2015, the DHL USA customer service phone hours are 4 a.m. to 11 p.m. MST Monday through Friday and 4 a.m. to 6 p.m. MST Saturdays. Customer support is not available via phone on Sundays. General customer service is closed on Thanksgiving, Christmas and New Year's Day.
DHL customers find answers to many of the most common questions by visiting the Express Customer Service FAQs section of the website.