地址确定：同时递I-130, I-485, I-131, 及其他相关文件，是不是到 greenmount2009-06-04 02:15:57

U.S. Citizenship and Immigration Services
P.O. Box 805887
Chicago, IL 60680-4107

For couriers/express deliveries:

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

谢谢各位