寄錯地方了

http://www.uscis.gov/graphics/formsfee/forms/i-485.htm#fba

Effective April 1, 2005, if you live in any of the following states Alaska, California, Idaho, Iowa, Kansas, Maryland, Missouri, Montana, Nebraska, New Mexico, Oklahoma, Oregon, Texas and Washington,

You will need to mail your application to:

U.S. Citizenship and Immigration Services
P.O. Box 805887
Chicago, IL 60680-4120

Or, for non-United States Postal Service (USPS) deliveries (e.g. private couriers)

U.S. Citizenship and Immigration Services
Attn: FBASI
427 S. LaSalle – 3rd Floor
Chicago, IL 60605-1098