Home>Choose State>Cities in Pennsylvania>Institutions in Mercer>Citizens Bank of Pennsylvania Locations in Mercer Citizens Bank of Pennsylvania Branch Locations in Mercer, PA 1. Citizens Bank of Pennsylvania - Mercer Branch 107 North Diamond Street, Mercer, PA 16137 View Branch 2. Citizens Bank of Pennsylvania - Mercer Drive-in 110 Butler Street, Mercer, PA 16137 View Branch