The country's second largest private sector lender,HDFC Bank,said it has opened its 4,000th ATM in the country at Mangalore in Karnataka. With the introduction of 'Faster ATMs' an HDFC Bank customer can at any time of the day now withdraw cash at any HDFC Bank ATM in 40 per cent less time,it said in a statement. This is the bank's 8th ATM in the city and 1,165th in South,the Bank said. "It is a matter of great satisfaction for us that we have 4,000 such ATMs in service and will continue to expand in future," Country Head-Retail Liabilities,Marketing & Direct Banking Channels Rahul Bhagat said.