Zip Code Change Notification

Our zip PLUS FOUR code has changed! The U.S. Postal Service has notified the IAM National Benefit Funds Office that our zip PLUS FOUR code has changed from 20003-3799 to 20003-4595 effective August 1st, 2021.

Moving forward, please send all mail to:
IAM National Pension Fund
99 M Street SE, Suite 600
Washington, DC 20003-4595.

Please note that mail addressed to the old zip PLUS FOUR code will still be delivered to the Benefit Fund Office, but we encourage you to use the new code for quicker delivery.

 

Questions?

You can contact the IAM National Pension Fund Office directly to get more information about the plan.

  • Phone: 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 estimate or pension application.)
  • Mail:  IAM National Pension Fund, 99 M Street, SE, Suite 600, Washington, DC 20003-4595
  • E-mail Form: Click Here