Indian Overseas Bank Customer Care & Helpline Numbers
Toll free
1800 425 4445
Call now
Last verified Oct 2026 · numbers can change, confirm on the official site.
Did this number work for you?
About Indian Overseas Bank support
Indian Overseas Bank runs its customer care at 1800 425 4445, answered 24x7. The line is meant for blocked cards, failed payments, disputed charges and account queries. Keep your account or card number handy before you dial — and never share an OTP with anyone who calls you first.
All Indian Overseas Bank helpline numbers
Toll free
Customer care (second toll-free)
NRI helpdesk
Cyber fraud
Digital complaints (failed transfers, UPI)
Indian Overseas Bank contact details
Official siteiob.bank.in
Hours24x7
Indian Overseas Bank helpline — questions
What is the Indian Overseas Bank customer care number?
The main Indian Overseas Bank customer care number is 1800 425 4445 (Toll free). Any other numbers for the service are listed on this page with their labels, so you pick the right one.
Is the Indian Overseas Bank helpline toll-free?
Yes — 1800 425 4445 is marked as toll-free, so the call costs you nothing from anywhere in India.
What are the Indian Overseas Bank customer care timings?
Published hours are 24x7. Outside these hours you may reach an IVR or be asked to call back.
What is the Indian Overseas Bank customer care email?
We do not have an official support email on record for this service yet — the official support page linked above is the safest place to look.
My Indian Overseas 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 Indian Overseas Bank’s official website before calling. We are not affiliated with Indian Overseas Bank.