I need to find out how to change my name on my social security Number in TN?

That%26#039;s correct. Social Security numbers, cards, names, etc. are under SSA. Check on-line first, or try local ssa offices if you live near larger city. The website will give you the information and documentation you need to change name.|||The Stae does not matter look in th ephonebook under United States Goverment .. call the phone number and ask them to send you the form ..look online at SSA.gov