As of June 2015, the contact phone number for US Airways customer service telephone number is 800-428-4322. The company's website also provides numbers for all other services provided by US Airways.
The US Airways website provides a variety of specific phone numbers to different departments of the company. Depending on the specific need it's important to look at the phone number directory and call the number for the department that is directly related to a specific inquiry. Email and department office address information is also provided on the website, allowing for a complete contact list for many different methods of communication.