String of digits assigned at birth or upon becoming a U.S. citizen (Abbr.)

Let's find possible answers to "String of digits assigned at birth or upon becoming a U.S. citizen (Abbr.)" crossword clue. First of all, we will look for a few extra hints for this entry: String of digits assigned at birth or upon becoming a U.S. citizen (Abbr.). Finally, we will solve this crossword puzzle clue and get the correct word. We have 1 possible solution for this clue in our database.