Selective Service System (SSS)
The Selective Service System (SSS) provides the Department of Defense personnel in the event of a national emergency. Male citizens and immigrants are required to register with the Selective Service when they turn 18.
Website
Selective Service SystemPhone number
1-847-688-6888
Toll-free number
1-888-655-1825
Main address
PO Box 94638Palatine, IL 60094-4638
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