Resident agency for the Federal Bureau of Investigation (FBI)Phone Number(s): 785-231-1700 (Topeka)785-512-8200 (Kansas City Headquarters)Website: https://www.fbi.gov/contact-us/field-offices/kansascityEmail Address: kansas.city@ic.fbi.govStreet Address: 515 South Kansas Avenue #400, Topeka, KS 66603, USA