Contact Us


OKRTI Administrative Office Hours are 6:30 a.m. - 4:00 p.m. (Central) Mon - Fri and Drill Weekends

  • Admin Main Phone: (405) 475-1500
  • Admin DSN: 628-1500
  • Admin Fax: (405) 478-2744
  • General Inquiries Email

OKRTI Education Center Office Hours are 7:30 a.m. - 4:00 p.m. (Central) Mon - Fri and Drill Weekends

  • Education Center Site Manager Office: (405) 475-1505
  • Site Manager Office DSN: 628-1505
  • Site Manager Office Fax: (405) 478-2790
  • Education Center Inquiries Email

OKRTI Billeting Office Hours are 6:00 AM - 9:00 PM (Central) Mon - Fri and Drill Weekends

  • Billeting Office: (405) 475-1800
  • Billeting DSN: 628-1800
  • Billeting Office Fax: (405) 478-2935
  • Billeting Inquiries Email

View Maps showing how to get to the OKRTI.

Or write to:

Headquarters, 189th Regiment (RTI)
Oklahoma Army National Guard
6500 N Kelley Ave
Oklahoma City, OK 73111-7853