Related Clues:

• Nine-digit ID, for short
• Personal ID
• Often-memorized string: Abbr
• Target of an ID thief
• Sensitive ID
• Taxpayer’s ID
• You may be asked for its last four digits: Abbr
• Fig. on IRS forms
• Cybercrime target: Abbr
• Form fig
• IRS form input
• XXX-XX-XXXX ID
• Tax filer’s no
• W-9 or W-2 ID
• Target for an ID thief