Validating a social security number
That no longer seems to be the case.) Currently, the serial numbers are assigned in strictly increasing order with each area and group combination.
Any SSN conforming to one of the following criteria is an invalid number: A pamphlet entitled "The Social Security Number" (Pub. 05-10633) provides an explanation of the SSN's structure and the method of assigning and validating Social Security numbers.
The area numbers are assigned to geographical locations.
If a person gets married and changes their name, if that person had a criminal history under their maiden name, that criminal record will no longer show up under the changed name.
Through the use of a social security number validation, background checks are able to turn up accurate name and date birth information about an applicant during the pre-employment screening process.
Area numbers assigned prior to 1972 are an indication of the SSA office which originally issued the SSN.
Since 1972 the area number in SSNs corresponds to the residence address given by the applicant on the application for the SSN.
The process of assigning numbers has been changed at least twice. Before 1972, numbers were assigned by field offices; since 1972, they have all been assigned by the central office.