united customer service number
Additional Information. 1  United Vacations: 1-888-854-3899. 2  United Cruises: 1-800-211-2039. 3  United Club airport lounges: 1-866-UA-CLUBS (1-866-822-5827)  Trip insurance: 1-866-456- 1 3104. Foreign currency exchange: 1-877-393-6739.  Carbon offsetting program: 1-720-273- 1 2975. Baggage and lost articles: 1-281-821- 3526.