USCIS 有许多办公室，绿卡申请是如何分配到不同的办公室的？在大华府地区绿卡的申请，一般会分配到哪个移民局办公室？
-Normally it is assigned to the USCIS center based on where you live when you file the application. What kind of the immigrant applicaiton you plan to file, family -based or employment-based? You may check the instructions such as I-130 Instructions to see where your application needs to be sent to.
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