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Indian Overseas Bank

Indian Overseas Bank Customer Care & Net Banking Helpline

www.iob.bank.in

verified

24x7

1800 425 4445
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Last verified Aug 2026 · numbers can change, confirm on the official site.

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All contact details

Customer Care (Toll-free) 1800 890 4445
Customer Care (Toll-free) 1800 425 4445
Overseas / Global +91 44 35000124
Overseas / Global +91 44 24371140
NRI Helpdesk 044 2435 3640
Cyber Fraud 044 28584890
Cyber Cell [email protected]
NRI Helpdesk [email protected]
Contact Us www.iob.bank.in/en/contact-us
Hours24x7
Official sitewww.iob.bank.in
AddressIndian Overseas Bank, Central Office, 763 Anna Salai, Chennai, Tamil Nadu 600002
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About Indian Overseas Bank

Net banking, the IOB Mobile app, UPI, cards and general account queries are taken on the toll-free line that Indian Overseas Bank operates itself. Those official details are listed here so you reach IOB directly.

For a lost or stolen card, call and ask for a block immediately, and keep your account or customer ID ready. IOB never asks for your OTP, PIN or password over the phone, so treat any such call as a scam.

Indian Overseas Bank helpline — questions

The IOB customer care number is 1800 425 4445, with 1800 890 4445 as the alternate line. Both cover net banking, IOB Mobile, cards and account queries.
Indian Overseas Bank ka customer care number 1800 425 4445 hai. Net banking, mobile banking ya card se judi shikayat is par darj karwaein.
Yes, 1800 425 4445 and 1800 890 4445 are both toll-free numbers within India.
Customer care is available 24x7 on both toll-free lines.
IOB runs a cyber fraud desk on 044 28584890 with [email protected], and you can suspend a debit card yourself in net banking. Report to cyber police on 1930 too, within three working days, which is the RBI window for nil liability.
1800 425 4445 par call karein, IVR me apni bhasha chunein aur account related option select karein. Account number saath rakhein.
Yes. Tap Download near the top of this page to save an image of Indian Overseas Bank's customer care and helpline numbers along with the verified contacts and support hours.
Overseas customers can call +91 44 35000124 or +91 44 24371140, both available 24x7. The NRI helpdesk is on 044 2435 3640 and 044 2851 9611.
IOB points customers to the RBI Ombudsman through the CMS portal at cms.rbi.org.in, or the RBI contact centre on 14448. Escalate to the bank's own nodal officer first.
IOB now uses the RBI-mandated iob.bank.in domain, including for net banking. A site on any other domain asking for your login is not the bank.

Other helplines

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Helpline details are compiled from public sources and verified periodically. Not affiliated with Indian Overseas Bank. Always confirm on the official website. How we verify this.