Tamilnad Mercantile Bank Customer Care & Helpline Numbers
Toll free
1800 425 0426
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Last verified Oct 2026 · numbers can change, confirm on the official site.
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About Tamilnad Mercantile Bank support
Tamilnad Mercantile Bank runs its customer care at 1800 425 0426. The line is meant for blocked cards, failed payments, disputed charges and account queries. For anything that is not urgent, writing to customercare@tmb.bank.in usually gets a written reply you can refer back to. Keep your account or card number handy before you dial — and never share an OTP with anyone who calls you first.
All Tamilnad Mercantile Bank helpline numbers
Toll free
Mobile line
Internet and mobile banking support (e-connect)
Lost or compromised card, block it
Fraud and phishing reporting
Tamilnad Mercantile Bank contact details
AddressTamilnad Mercantile Bank Ltd., 57, V.E. Road, Tuticorin, Tamil Nadu 628002
Tamilnad Mercantile Bank helpline — questions
What is the Tamilnad Mercantile Bank customer care number?
The main Tamilnad Mercantile Bank customer care number is 1800 425 0426 (Toll free). Any other numbers for the service are listed on this page with their labels, so you pick the right one.
Is the Tamilnad Mercantile Bank helpline toll-free?
Yes — 1800 425 0426 is marked as toll-free, so the call costs you nothing from anywhere in India.
What are the Tamilnad Mercantile Bank customer care timings?
We do not have published hours on record for this helpline yet — the number itself should tell you, or check the official support page linked above.
What is the Tamilnad Mercantile Bank customer care email?
You can write to customercare@tmb.bank.in. Email is the better option when you need a written record of the complaint.
My Tamilnad Mercantile Bank card is lost or I see a transaction I did not make. What now?
Call the helpline immediately and ask to block the card — speed matters more than anything else. Then raise the dispute through the official channel so it is tracked.
Other helplines
Helpline details are gathered from public sources and checked periodically. Numbers can change without notice — please confirm on Tamilnad Mercantile Bank’s official website before calling. We are not affiliated with Tamilnad Mercantile Bank.