有看到说130和485一个file寄到下面的地址。但是没说到131呀。

USCIS Chicago Lockbox

For U.S. Postal Service (USPS):

USCIS
PO Box 805887
Chicago, IL 60680-4120

For FedEx, UPS, and DHL deliveries:

USCIS
Attn: FBAS
131 South Dearborn - 3rd Floor
Chicago, IL 60603-5517

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