How to contact RHB Bank customer service Hotline ? Have a problem with your RHB bank account ?You may contact RHB Customer Service at 603-9206 8118 available 24 hours or email to customer.service@rhbgroup.com for further inquiries. RHB Customer Service Hotline +603-9206 8118 Service Hours : Available 24 hours Call Now Email to RHB Customer Support customer.service@rhbgroup.com Please include the following details within your email1) MyKad Identification Number/Passport Number2) RHB Account Number3) Contact Number Email Now RHB Feedback Form Submit Now Please refer to RHB Bank Website for further help including Insurance enquiries and Asset Management enquiries. Check also Maybank Customer Service or CIMB Bank Customer Service