Your unexpired US passport should be sufficient evidence of your citizenship, as not all US citizens are naturalized and so would not have a certificate of citizenship. But you can also go to your local USCIS office and ask them to conduct a status verification inquiry for you. There is no guarantee they will do so, but if they do, the results should provide information about your naturalization certificate number, date and place of naturalization. Of course you can also file a Form N-565 for a duplicate of your naturalization certificate to either the USCIS Nebraska or Texas Service centers. Average processing time is about 180 days
Answered on Aug 16th, 2013 at 1:24 AM