IOB Customer ID, How to Find Indian Overseas Bank Customer ID

How to access the Indian Overseas Bank Customer ID: IOB Customer ID – How to Find IOB Customer ID. How to get IOB customer ID online. IOB Customer ID, Get Indian Overseas Bank Customer ID

IOB Customer ID

Every client in the banking and financial sector is considered unique besides the account type they hold. Banks develop features to identify each account holder and keep their information safe. The customer ID feature is a unique identifier facility banks provide to every account user. Some banks refer to customer ID as CRN or CUST ID.

The CRN/customer ID helps hold the accountholder’s banking information. One can access loan data, credit card and debit card details, account type, acc number, registered mobile number, and other bank-related data. The information is saved in a centralized database for easy retrieval. A customer ID is issued once, working a lifetime identifier. The ID covers all accounts under the user’s name for easy identification.

Like other famous financial institutions in the country, the IOB bank India also develops unique IDs for their esteemed customers. The CRN/customer ID allows the account holder to login to net banking and mobile banking apps. It is an easy feature that helps access different services fast. However, if users forget their customer ID, they can get the number from several platforms, as discussed in the guide.

How to Find IOB Customer ID

IOB Customer ID - How to Find IOB Customer ID
IOB Customer ID – How to Find IOB Customer ID

Methods to Retrieve your IOB Customer ID

The Indian Overseas Bank offers online and offline methods to help get the CRN. Most methods don’t require any bank intervention as they are readily available in your banking facilities.

  • The IOB passbook
  • IOB mobile banking app
  • Net banking
  • Account statement
  • Calling customer care helpline
  • Sending an email to the IOB bank
  • Welcome letter

How to Find Customer ID in IOB Bank Using Passbook

Finding IOB customer ID using account passbook

IOB first-time applicants get a passbook during the account opening process. The book works as an account follow-up feature as any transaction should be indicated on the passbook. However, digital transformation has introduced an online e-passbook that works well as a manual passbook. The account user can avail all account details from the book, such as account name, number, IFSC code, and customer ID. Open the front page to view your customer ID details.

How to Get IOB Customer ID through IOB Mobile Banking APP

The user needs to download the mobile app on their smartphone before proceeding to the customer ID process.

  • Open your IOB mobile app page and enter the MPIN or authentication details to log in.
  • Select the “profile” option to view the account information.
  • The customer ID will be among the details.
  • Save/copy it for reference.

How to View IOB Customer ID Through IOB Net Banking

  • Visit the IOB net banking portal link
  • Enter your login credentials to access the account.
  • Next, click the “profile” tab from the menu.
  • The customer ID will show together with other banking details.

Get Indian Overseas Bank Customer ID through a Bank Statement

The account user can download their account statement or request from the bank branch. Open the statement using a PDF password to view the details. The IOB provides all bank information, including the customer ID, on each statement page.

The Indian Overseas Bank customer care contacts, are open, making it easy to access various bank services. The user should call using their registered mobile number with the bank.

  • Call the IOB number 1800 425 4445
  • Select the option to talk to a bank officer.
  • Once connected, state your request about the customer ID.
  • The officer will request some proof details before sending the customer id.

How to Find IOB Customer ID by Sending an email to the bank

It’s also easy to address the bank through an official email ID. The account holder can send a customer ID request via the bank’s email The bank officers will verify the details and provide the customer ID.

Also Read IOB Cheque Book Request Online, Net Banking, ATM, APP


  1. Can I get my customer ID by visiting the bank?

Yes, the IOB bank accommodates all banking services. The user can request the customer ID at any IOB branch.

  1. How can I create a new customer ID?

Default by the respective bank produces the customer ID. Once issued, the customer cannot change their CRN but can retrieve using above mentioned methods.

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