4List Of CitiBank Bank Kenya Branch Codes. Citibank N.A. Kenya has been operating in the country since 1974, focusing exclusively on serving corporate and institutional clients. It is the only bank in Kenya dedicated solely to corporate banking.Here is the list of CitiBank Kenya branch codes:CitiBank Kenya Branch CodesBranchBranch CodeHead Office, Nairobi000Mombasa400Gigiri Agency500Kisumu700General InformationCitiBank Bank Code: 16Citibank Kenya Swift Code: CITIKENACitiBank Kenya Contacts:Head Office: Citibank House, Upperhill, Upperhill RoadPhone: 020 275 4000 / 020 275 4444CitiBank N.A. Kenya has been operating in the country since 1974, primarily serving corporate and institutional clients, and is the only solely corporate bank in Kenya.