현재 진행중인 케이스와 관련하여 질문을 할때 다음의 이메일을 이용하시면 됩니다.

DETN400CaseInquiry@uscis.dhs.gov –For inquiries on pending N-400 applications
DETI485CaseInquiry@uscis.dhs.gov –For inquiries on pending I-485 applications
DETI130CaseInquiry@uscis.dhs.gov –For inquiries on stand-alone I-130 petitions
DETI751CaseInquiry@uscis.dhs.gov –For inquiries on I-751 petitions
DETGENCaseInquiry@uscis.dhs.gov –For inquiries on any other pending applications or petitions

These e-mail addresses can be used to make inquiries or requests for service on cases for the following reasons:
1) To obtain information about pending cases that have fallen outside of our established processing times, such as any case that remains pending more than 90 days after the interview or response to the Request For Evidence (whichever is later).
2) To request rescheduling of an interview or oath ceremony, or to request special accommodations for your interview—like a home interview request or to request that an American Sign Language interpreter be present for your interview
3) To provide address changes for applications or petitions that have already been interviewed at this office.