I know the answer of question 1.

來源: 於 2006-07-24 21:13:34 [舊帖] [給我悄悄話] 本文已被閱讀：次

1. See your 485 receipt notice. There should be an address of the center it mails from.
2. After receiving your 140 and 485 receipt notice, have you ever gotten a letter from USCIS saying your 485 has been transfered to another center? If no.
then it is the address in your 485 receipt notice.