Adult Diagnostic and Treatment Center

The Adult Diagnostic and Treatment Center State Prison is located in Middlesex County, NJ. The facility was opened in 1976. It has a capacity of 700 inmates.

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
  • Adult Diagnostic and Treatment Center
  • P.O. Box 190
  • Avenel, NJ 07001

Inmate Visiting Days and Hours

Day of Week Hours
Saturday9:30 AM - 11:15 AM
1:15 PM - 3:45 PM
Sunday9:30 AM - 11:15 AM
1:15 AM - 3:45 PM

Adult Diagnostic and Treatment Center Contact Details

Address: 8 Production Way, Middlesex County, NJ
City: Avenel
Zip: 7001
Phone 1: 732-574-2250
Type: State Prison
Capacity: 700