如果我用USPS Express mail, 应该寄到哪个address?
多谢!
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For USPS deliveries:
USCIS
P.O. Box 805887
Chicago, IL 60680-4120
For Courier/Express Deliveries:
USCIS
Attn: AOS
131 South Dearborn - 3rd floor
Chicago, IL 60603-5520