Related Clues:
- Credit application no
- Application info: Abbr
- It never starts with 666: Abbr
- Fig. supplied on a 64-Down form
- Nine-digit no
- Phishing fig
- Hyphenated fig
- I.R.S. datum
- Fig. coveted by identity thieves
- Confidential personal ID
- ID where you might reveal the last 4
- Phishing catch: Abbr
- ID on an IRS form
- W-4 fig
- Frequent target of ID thieves