Banks are closing branches at an astonishing rate. Banks in the United States have shuttered 439 branches in the third quarter alone, the S&P Global data show. That was up from 199 in the prior quarter. According to a report by American Banker, this also marked the highest quarterly level of net closings since the first …Banks are closing branches at an astonishing rate. Banks in the United States have shuttered 439 branches in the third quarter alone, the S&P Global data show. That was up from 199 in the prior quarter. According to a report by American Banker, this also marked the highest quarterly level of net closings since the first …