New Jersey State Prison

The New Jersey State Prison State Prison is located in Mercer County, NJ. The facility was opened in 1836. It has a capacity of 1,819 inmates. The population consists of male offenders.

Table of Contents

Mailing to Inmates and Staff

For sending parcels, please include the following info on the package:

Address 1:
  • Inmate Full Name, ID Number
  • New Jersey State Prison
  • P.O. Box 861
  • Trenton, NJ 08625

Inmate Visiting Days and Hours

Day of Week Hours
SaturdayGeneral Population:
9:30 AM - 11:00 AM
1:30 PM - 3:00 PM
SundayGeneral Population:
9:30 AM - 11:00 AM
1:30 PM - 3:00 PM

New Jersey State Prison Contact Details

Address: 600 Cass St, Mercer County, NJ
City: Trenton
Zip: 8608
Phone 1: 609-292-9700
Type: State Prison
Inmate Gender: Male Offenders
Capacity: 1,819