1. Careers
Send to a Friend via Email

Dates when the Military Services Switched Over from Service Numbers to Social Security Numbers:


Service Date Switched Over
Army and Air Force July 1, 1969
Navy and Marine Corps January 1, 1972
Coast Guard October 1, 1974

Subscribe to the Newsletter

You can opt-out at any time. Please refer to our privacy policy for contact information.

Discuss in my forum

©2014 About.com. All rights reserved.