The primary United Airlines HQ phone number is 1-800-864-8331 (1-800-UNITED-1). This number connects callers to United’s main customer and corporate support line, handling inquiries related to reservations, corporate matters, and service escalations.
For direct headquarters communication in Chicago, another corporate contact number is (872) 825-4000, typically used for administrative and business-related queries.
These contact numbers serve as the most reliable way to reach the United Airlines headquarters for assistance or corporate communication.
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