- A copy of your valid U.S. passport, OR
- A copy of your U.S. birth certificate, OR
- A copy of Consular Report of Birth Abroad, OR
- A copy of your naturalization certificate, OR
- A copy of your certificate of citizenship
根据我的现住地址 邮寄到 USCIS Chicago Lockbox
For U.S. Postal Service:
USCIS
P.O. Box 804625
Chicago, IL 60680-4107