Definition and Purpose

• A bank account number is a unique identifier assigned to a specific account.
• It helps the bank distinguish one customer’s account from another.
• It is essential for processing deposits, withdrawals, and transfers.
• The number is linked to all financial records of the account.
• It supports accurate and secure financial transactions.

Structure and Format

• Account numbers typically range from 9 to 18 digits.
• The format varies between banks and account types.
• It may include codes identifying the branch or bank.
• Some banks combine customer ID and account type in the number.
• The structure ensures compatibility with banking systems.

Use in Transactions

• It is required for sending or receiving funds.
• It must be shared when setting up automatic payments.
• Online banking platforms use the number for transfers.
• Cheques and deposit slips carry the account number.
• It ensures proper routing of money to the intended account.

Security Considerations

• Account numbers must be kept confidential to prevent fraud.
• Sharing details only with trusted parties is recommended.
• Banks never ask for full account numbers in public communication.
• Secure systems protect account number data during transactions.
• Users are advised to monitor for unauthorized activity.

Relation with Other Banking Details

• It works alongside IFSC or routing codes for interbank transfers.
• Linked with the customer’s name and contact details.
• Often connected to debit cards and mobile banking services.
• Banks use it to retrieve account history and identity.
• It forms a part of the overall customer banking profile.