| Region / Service | Phone Number | Notes |
|---|---|---|
| General Customer Care (Toll-Free India) | 1800 425 4445 | Toll-free India (24×7) |
| Credit Card Customer Care | 1800 425 7744 | Toll-free India |
| Debit Card Hotlisting (Lost/Stolen) | 1800 425 4445 | Toll-free India |
| NRI Services (Chennai, International Banking Division) | +91 44 2852 4212 | Mumbai |
| NRI Banking Support | +91 44 2852 4270 | Mumbai |
Indian Overseas Bank (IOB) is a major public sector bank in India, founded on 10th February 1937 in Chennai (then Madras) by M. Ct. M. Chidambaram Chettyar. The bank was established with the vision of expanding overseas banking and foreign exchange operations, which is why it was named Indian Overseas Bank.
IOB was nationalized in 1969 and is now one of the leading public sector banks, focusing on retail, corporate, agricultural, and international banking.
Today, IOB operates:
3,200+ domestic branches across India
4 overseas branches (Singapore, Hong Kong, Bangkok, Colombo)
A strong presence in South India with headquarters in Chennai, Tamil Nadu
Retail Banking
Savings, current, and fixed deposits
Personal, home, education, vehicle, and MSME loans
Debit/credit cards and digital payment solutions
Agriculture & Rural Banking
Crop loans, Kisan Credit Cards, and rural development schemes
Priority sector lending for farmers and small entrepreneurs
Corporate & MSME Banking
Working capital, trade finance, term loans
Forex and treasury services
International Banking
Overseas branches for NRIs and exporters
Remittances, NRE/NRO/FCNR deposits
Digital Banking
IOB Mobile Banking App (IOB mBanking & mPassbook)
Internet banking (IOB NetBanking)
UPI, IMPS, NEFT, RTGS