Reply

我在2016 申请N400，收到RECEIPT 及打完指模之后至今没有收到任何消息，请问N400有有效期吗？我应该再申请呢还是FOLLOW UP 之前的申请？谢谢。

-Contact USCIS for the status. It is unusual for such a long time. Following the steps below to speak to a live person at USCIS on phone:

Call USCIS at 800-375-5283 (M-F 8am-8pm Eastern):

then,  immediately by saying the following:

1. Reschedule interview (even if you do not reschedule interview)
2. Interview.
3. I do not have my receipt.
4. No, thank you.
5. <You will be asked if they can help with anything else>
6. Reschedule interview.
7. Interview.
8. <You will be put through>