Crossword puzzle clue "two digit card"

Nine-digit fig. on a Social Security card

Credit card whose first digit is a 4

"... card, ___ card" (Last week: The two diagonally hidden 18-letter titles were "Up the Down Staircase" and "Upstairs, Downstairs." The latter answer turned downward at the D of "Downstairs.")

The digits in all but one of its two-digit multiples add up to it

Use a two-digit confirmation code?

One of two single-digit Yankee uniform numbers that aren't retired