OKRTI Administrative Office Hours are 7:00 AM - 4:30 PM (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 7:00 AM - 4:00 PM (Central) Mon - Fri and Drill Weekends

• Education Center Site Manager Office: (405) 475-1511 / 1443
• Site Manager Office DSN: 628-1511 / 1443
• 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