Are you looking for a friend from college after few years of losing touch with each other and now you do not have any contact details such as address or phone number of the person ? There is no need to worry much about this, because there are ways to find out your friend's addresses and contact details of past few years from a retrievable database. There is a way to search people by social security number. By using this facility " find people by social security number" you can easily search the huge database in just few seconds and get required details to contact your friend. Now a days it is easy to find people by social security number. Many a times people wondered whether it is possible to locate people by social security number. However  finally there are some initiatives from providers which helps to find people by the security number. So if you want to locate people by social security number you have to remember the social security number and quote it when the websites ask , it and that will provide you the address, telephone number and the email address if available. There are sites which provide the initial few digits of the social security number.These initial first few digits signify the social security number of the person, where the number has been allotted. Hence this has become so easy to reach people by their social security number. This is the best way to find a person. Earlier people used to search databases which was time consuming and sometimes they used to get many people with the same name and even same date of birth. But with the social security number it is the exact person who can be found. The reason behind this is, the social security number is absolutely unique and no two persons can have it. However this might be a little difficult to remember the social security number after a long time. But you can take help of the data base and use first few digits and then for the last four digits you can use some permutation and combination and try to find out your friend or the person you are looking forward to communicate. This may be a tiresome process, but whe you retrieve the details of the person you are looking for, it will be a pleasurable experience for you.