5 things you need to know about HDFC Bank IFSC codes
Every code is of 11 characters (alphabets and numbers).
5th character of a code is always 0 (zero).
Every code starts with "HDFC0" (HDFC is the bank code of HDFC Bank).
There are more than 5300 codes of the bank (The exact number keeps on changing as the bank opens new branches or merge existing ones). You can get the updated figure on number of branches at HDFC Bank press release to announce financial results. Many codes are used by other banks.