Check your Selective Service registration card
Log in to your Selective Service account at sss.gov
Use the Selective Service online registration verification tool on sss.gov
Call Selective Service customer service at 1-888-655-1825
Check any official letters or notices you received from Selective Service
Contact the Selective Service System if you need a replacement record
If you registered through the mail, check your registration confirmation documents
If you are unsure whether you registered, request a status information letter from Selective Service