Tenaga Nasional Berhad (TNB) has established a One Stop Engagement Centre (OSEC), offering a single point of contact to respond to customer enquiries and feedback on TNB billing and account related matters.
Billing and Account related Matters: 1-300-88-5454
TNB Careline 15454
Tenaga Nasional Berhad (TNB) has established a Call Management Centre (CMC), offering one-stop communication to respond to outage management during breakdowns.
Just dial or SMS 15454 anywhere in Peninsula Malaysia and where there is mobile coverage at the cost of a local call for voice calls, and toll-free for SMS. It’s easy and effective.
For address, please click this link: Kedai Tanaga (TNB Office)