Contact Get in Touch Reach to us for your queries. Contact GRK Airport First Name Last Name Email Phone Message Send Message Airport Administration: (254) 501-6100 Lost & Found:(254) 501-8700 Address: 8101 Clear Creek Road Killeen, TX 76549 Email: airport@killeentexas.gov Hours of Operation Terminal Building 3:00 am – 12:00 midnight Aviation Department 8:00 am – 5:00 pm Airport Operations Center 24 hours / 7 days (254) 501-8750 Directions