If you need to personally visit one of our field offices, please call for an appointment. You will not be refused service if you do not have an appointment, but our staff can serve you better when an appointment is made. Railroad Retirement Board offices are open to the public from 9:00 a.m. to 3:00 p.m., Monday through Friday. To locate the nearest RRB office, visit our web site or call 877-772-5772.