Officer Candidates School 2189N Elrod Avenue Quantico, VA 22134-5033
To address mail to a candidate currently in training, use the following format:
Candidate Last Name, First Name, MI ___ Company, ___ Platoon Officer Candidates School 2189A Elrod Avenue Quantico, VA 22134-5033
For website issues, email the OCS Webmaster.
Officer Of the Day (OOD) COM: 540-419-5210
S-1 Administration COM: 703-784-2351
S-3 Operations COM: 703-784-2565 S-4 Logistics COM: 703-784-0370 For all candidate matters: Coordinator of Student Activities (CSA) COM: 703-784-2531 Email: OCS_CSA@usmc.mil
MCB Quantico 24/7 Sexual Assault Helpline COM: 703-432-9999
DOD Safe Helpline COM: 1-877-995-5247
Website Issues Email: OCS_Webmaster@usmc.mil