On June 1, 2020, National Visa Center will no longer accept or respond to inquiries through mail. National Visa Center has modernized the way we pre-process visa applications. Any unsolicited mail post-marked June 1, 2020 or later will not receive a response and will be destroyed. You will need to submit all your inquires through the Public Inquiry Form at https://nvc.state.gov/inquiry. You should only send mail to National Visa Center if explicitly instructed to through an email, telephone call, or letter from National Visa Center. In most cases, this request for documentation will be for a case that is not processing electronically. If necessary for your case, NVC will provide you with a mailing address. Never send original documents to the National Visa Center.