Tenaga Nasional Berhad (TNB)

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)

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