First Niagara Address: 951 State St, Mertztown, PA 19539 Phone: (610) 641-0041 Hours: Mon: 9am-5pm Tue: 9am-5pm Wed: 9am-5pm Thu: 9am-5pm Fri: 9am-6pm Sat: 9am-1pm Banks, Loans, E Commerce, First Niagara Bank Other Businesses: K & S Garage at 50 Haas Rd, Mertztown, PA 19539 Strozyk's Garage at 1705 State St, Mertztown, PA 19539 Stony Ridge Farms at 187 Smoketown Rd, Mertztown, PA 19539 Longswamp Bed & Breakfast at 1605 State St, Mertztown, PA 19539