If you need to reach Citibank Malaysia Customer Service Centre, below are some useful contact details:
03-2383 0000 (KL)
04-296 0000 (Penang)
07-268 0000 (JB)
09-509 0000 (Kuantan)
06-852 0000 (Melaka)
1800-82-1010 (Sabah & Sarawak)
In the event that your complaint has not been resolved in a satisfactory manner, you may then proceed to write to:
Lin Safira Samah
Head of Client Care Unit
Citibank Berhad
Menara Citibank
165 Jalan Ampang
50450 Kuala Lumpur
Fax: 03-27129009