Why haven't we run out of Social Security Numbers?

Social Security numbers consist of three parts: the first three are the Area Number, the middle two are the Group Number within that area, and the last four are the Serial Number within that group. read more

Social Security numbers consist of three parts: the first three are the Area Number, the middle two are the Group Number within that area, and the last four are the Serial Number within that group. Each SSA office (or in some cases group of offices) is assigned an Area Number. read more

The Social Security number is composed of a 3 digit area number, a 2 digit group number and a 4 digit serial number; a serial number is a unique number. The total Social Security numbers that can exist is based on the number of area numbers, group numbers and serial numbers possible. read more

No. The Social Security Administration has given out only 400 million numbers so far and will need only another 300 million by 2050, so we are not running out. read more