A: If you lose your A-Number, you can locate it by:
1. Reviewing Immigration Documents: Check your Green Card, EAD, Naturalization Certificate, or any official USCIS notices.
2. Accessing Online Accounts: Log into your USCIS online account, where your profile may display the A-Number.
3. Contact USCIS: Reach out to USCIS Customer Service for assistance retrieving your A-Number.
Keeping your A-Number secure and confidential is essential to protect your personal information.