Question: how do i find out how much i owe the state of nj?
Answer: Phone Inquiry: 1-800-323-4400 (toll-free within NJ, NY, PA, DE, and MD) or 609-826-4400 (anywhere). This service is available 7 days a week (hours may vary). You will need the Social Security number that was listed first on your return and the amount of the refund requested when you call.