Contact Us

Phone: 1-800-424-9608 (participants); 202-785-2658 (others). Our phones are open Monday through Friday, 9:00 a.m. to 7:00 p.m. Eastern Time.

Fax: 202-463-8098 or 202-457-8653 (Please use this form  when faxing a request for an estimate or pension application.)

Mail: IAM National Pension Fund, 99 M Street, SE, Suite 600, Washington, DC 20003-4595 (Please use this form  to make a written request for an estimate or pension application.)

IAM National Benefit Funds Office Holiday Office Closures (2023)

Below is the 2023 Holiday Schedule for the IAM National Benefit Funds Office. Please note that our physical office will be closed on the days listed below and our team members will not respond to calls and/or email inquiries on these dates. We apologize for any inconvenience this may cause and appreciate your understanding on this matter.