IFSC (Indian Financial System Code)

An IFSC (Indian Financial System Code) is an 11-character code assigned to each bank branch that participates in India's electronic funds transfer systems. Together with an account number, it tells the payment network exactly which branch holds the beneficiary's account.

Why it matters

Interbank systems such as NEFT, RTGS and IMPS need to route a transfer to the correct bank and branch. The IFSC provides that routing information in a standard format maintained by the Reserve Bank of India. Payment forms, invoices and payout tools commonly ask for it, and many validate its format before accepting a beneficiary.

Example

HDFC0001234

The structure is:

1. First four letters: the bank code (here HDFC).
2. Fifth character: always the digit zero, reserved for future use.
3. Last six characters: the branch code, letters or digits.

A simple format check is ^[A-Z]{4}0[A-Z0-9]{6}$. A code that passes the pattern may still not exist, so a lookup against a bank directory is needed for real validation.

Common mistakes

• Mixing up the letter O and the digit zero in the fifth position.
• Using a branch code from an old branch after a bank merger, since many codes have changed.
• Confusing it with SWIFT/BIC or IBAN, which serve international routing.

Rules vary by country; this entry is a definition only.

Related

• NEFT
• RTGS
• IMPS
• IBAN

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