How to Get a Social Security Number (SSN) To obtain a Social Security Number, you must be a U.S. citizen, permanent resident, or temporary resident authorized to work in the United States.

For example, utility companies and other services ask for an SSN, but do not need it; they can do a credit check or identify the person in their records by alternative means.

All forms on which persons are required to provide Social Security Numbers (SSNs) must contain, or have appended to them, a statement explaining the university request; e.g., the legal obligation on ...