Contact Washington Headquarters Services Customer Service
Washington Headquarters Services Phone Numbers and Emails
Toll-Free Number:
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(866) 580-9046DoD Employee Assistance Program
Customer Service:
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(571) 256-0962Mass Transportation Benefit Program
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(703) 695-1992Pentagon Library
Report Fraud:
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(800) 424-9098Waste, Fraud, and Abuse
Washington Headquarters Services Emails:
Accessibility
Accounting/ Billing
Payment Office
Business Customer Service
Small Business Vendors
Contact Information
Washington Headquarters Services Website:
Washington Headquarters Services Help Center:
Corporate Office Address:
Washington Headquarters Services
1155 Defense Pentagon
Washington,
District Of Columbia
20301-1155
United States
Other Info (opening hours):
Other Location:
Office of Inspector General, U.S. Department of Defense
4800 Mark Center Drive
Alexandria, VA 22350-1500
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Washington Headquarters Services