Preparing for the Operators Exam? The demand for certified operators has increased. PRWA believes a properly trained operator will pass the required exams and set their future as a Certified Operator. Submit the form below and we will answer your questions as soon as possible. Our mission is to serve you! Email us below, contact our staff, call (800) 653-7792, fax (814) 353-9341, mail PRWA, 138 West Bishop St, Bellefonte, PA 16823, or change your contact info.