Indian Overseas Bank Headquarters & Office Locations

Public sector bank in India. Headquarters: Chennai, Tamil Nadu, India.

Headquarters
Chennai, Tamil Nadu
Total locations
39
Employees · est. 2026
20,966

Identity graph

Indian Overseas Bank headquarters, locations and relationships

HeadquartersChennai, Tamil Nadu, IndiaOpen in Google Maps
Legal name
Iob Ltd
Industry
Banks
Founded
1937
Ticker
NSE: IOB
Website
iob.in

Indian Overseas Bank office locations

39 total
Indian Overseas Bank office locations: headquarters and key locations
CityState / regionCountryType
ChennaiTamil NaduIndiaHeadquarters
—RajasthanIndiaOffice
—Andaman and NicobarIndiaOffice
See all 39 locations
Parent company
Indian Overseas Bank is part of Government of India.

Verified from public filings, company websites and news · Methodology

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About Indian Overseas Bank

Indian Overseas Bank (NSE: IOB) is headquartered in Chennai, Tamil Nadu, India. Founded in 1937, the company has 39 recorded locations and employs approximately 20,966 people worldwide.

Where is Indian Overseas Bank's main office?

Indian Overseas Bank's main headquarters office is located at Chennai, Tamil Nadu, India. This is the company's primary corporate address.

Indian Overseas Bank regional offices

Beyond its headquarters in Chennai, Indian Overseas Bank has recorded locations in India.

Indian Overseas Bank contact information

The main switchboard for Indian Overseas Bank headquarters can be reached at +91 40 3529 3602. Official website: iob.in.

What does Indian Overseas Bank do?

Indian Overseas Bank operates some 1,429 banking branches in India, as well as six branches in overseas locations. The Group's banks provide loan and deposit schemes, Internet banking, and a full range of banking services.

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  1. Target Define the market Build the account list from companies shaped like your best customers, Indian Overseas Bank included. Fingerprint search 
  2. Cover Plan territories Indian Overseas Bank's 39 locations roll up to one account, so it lands in one territory, once. Territory planning 
  3. Engage Act on timing Leadership changes, funding and M&A arrive linked to the account, not a loose headline. Signal monitoring 
  4. Convert Close on a resolved record Inbound and closed-won attach to one CRM record, with no duplicates to merge. CRM enrichment 
  5. Retain Ground every answer Customer teams and AI agents answer from the same entity, with a source and a date. AI agent data layer 
  6. Expand Find the next buyer inside Follow subsidiaries and divisions to the next team that can buy. Account expansion 

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Indian Overseas Bank: frequently asked questions

Where is Indian Overseas Bank headquarters?

Chennai, Tamil Nadu, India.

What is Indian Overseas Bank's phone number?

+91 40 3529 3602 (headquarters).

When was Indian Overseas Bank founded?

1937.

How many employees does Indian Overseas Bank have?

About 20,966, as of October 2026 (GraphIQ.ai estimate).

How many offices does Indian Overseas Bank have?

39 locations.

Is Indian Overseas Bank a public company?

Yes. Indian Overseas Bank trades on NSE under the ticker IOB.

Questions about GraphIQ.ai

Is GraphIQ.ai a list of companies like a spreadsheet?

No. Each organization resolves to one verified entity linked to its parent, subsidiaries, people and signals, so Indian Overseas Bank here is the same Indian Overseas Bank in your CRM, territory plan and agent answers.

Where does this Indian Overseas Bank data come from?

Public filings, company websites and news, resolved to one entity and continuously updated.

Find more info on Indian Overseas Bank using GraphIQ

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From territory planning and lead scoring to handoff workflows and pipeline hygiene, our platform connects the data your GTM engine needs to run without friction. Sign up today and see how GraphIQ helps your revenue team spend less time finding information and more time acting on it.

287MOrganizations resolved
393MEmployees
2B+News and events