Banks in Mercer, Pennsylvania, the US. Banks locations in Mercer, Pennsylvania. Find the nearest banks locations, near you. All types of business services Accounting ATM Bank Courthouse Finance Insurance Lawyer Real estate School University All banks in Mercer 4/5 Closed now Huntington Bank ATM Finance Bank +1 724-662-4100 127 North Diamond Street, Mercer, Pennsylvania 16137 Write a review Phone Hours Website Directions Closed now Huntington Bank ATM Finance Bank +1 724-662-4100 127 North Diamond Street, Mercer, Pennsylvania 16137 Write a review Phone Hours Website Directions