What does it mean? jianwei022007-11-04 18:57:53

I just got Email from uscis as follows:

Application Type: I485

Current Status: Card returned by the post office as undeliverable.

On October, 2007, the post office returned our last notice as undeliverable. Please call 1-800-375-5283 to update the mailing address.

What does it mean? I do not change my address and check mailling box everyday, how can I do next?

回复：What does it mean?

回复：看来GC批了,但地址问题寄不到退回,建议打电话

回复：回复：看来GC批了,但地址问题寄不到退回,建议打电话

回复：回复：What does it mean?

我遇到这种情况

回复：我遇到这种情况