IV Address Registration
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BEFORE the visa interview, you must register an address on www.ustraveldocs.com/vn/ for the delivery of your passport and other documents. Your passport with completed visa (and, in some cases, other documents) will be delivered free of charge to the address in Vietnam that you provided. It is, therefore, important that your mailing address be correct and current. Whenever you change your mailing address, please log on your account and update the address, and also submit an inquiry through our website at: https://vn.usembassy.gov/visas/immigrant-visas/immigrant-visa-inquiry-form/.
In order to register your mailing address, you must have an account or a user profile. Please visit www.ustraveldocs.com/vn/ to create an account if you do not have one, or log in to your existing account and follow the step-by-step instructions. If there are derivative applicants in your case, you must add them as dependents to your account.
If you have any problems with the online address registration, you may contact the Call Center at 19006444 if calling in Vietnam or +1 (703) 665-7350 if calling from the United States for the assistance. Failure to register your mailing address will delay the visa processing.