The best place is to check on the FCC Web site.   Follow this link:  http://wireless2.fcc.gov/UlsApp/UlsSearch/searchLicense.jsp

In the "License Search"  select "By Name" from the drop down, then entor your last name in the box provided.  If you have a common last name, then a comma, then a space, and your first name.    Once you have done that, click on the search button.