You can reach the United Airlines Corporate Office Phone Number by calling 1-800-864-8331. This number connects you to United’s main support line, where corporate-related inquiries can be directed.

Another primary contact number for the headquarters is (872) 825-4000, which is used for corporate and administrative communication with the Chicago office.

These phone numbers help customers, partners, and stakeholders connect with the core leadership and operational departments at the United Airlines corporate office.