When you are uncertain that a proposed use of benefit is proper, write, phone, or visit the nearest Railroad Retirement Board office. Most Railroad Retirement Board offices are open to the public from 9:00 a.m. to 3:30 p.m., Monday, Tuesday, Thursday, and Friday, and 9:00 a.m. to 12:00 p.m. on Wednesday. To call and speak to an RRB representative, dial 1-877-772-5772.