New Jersey State Prison

New Jersey State Prison is at 600 Cass St, Trenton, NJ 08608 (Mercer County, New Jersey).

You can reach New Jersey State Prison on (609) 292-9700. If the line has changed, the agency's website will have the current number.

Use the agency's official inmate lookup, linked on this page, or call the facility on (609) 292-9700. Official agency records are the final authority on custody status.

The official website is linked on this page. Use it for general questions; urgent matters are best handled by phone.

New Jersey State Prison is a state prison run by the New Jersey department of corrections. State prisons hold people convicted of state crimes and serving longer sentences, typically over a year.

Its sources list a capacity of 1,819 places and a population of about 1,587 at the last count. Actual occupancy changes from day to day.

Most facilities ask visitors to book ahead and to show photo ID on arrival. New Jersey State Prison's own visiting times and dress rules are the ones that count, so check with the facility on (609) 292-9700 first.

Address the envelope with the person's full name and booking or inmate number, followed by New Jersey State Prison, 600 Cass St, Trenton, NJ 08608. Many facilities only accept plain letters and photos, so check its mail rules before sending anything else.