If you will be employed in the US, you must obtain a US social security
number (SSN) to be paid.
Students who are not working or receiving income in the US are not
eligible for a Social Security number, and should NEVER use their ISU
identification number (991 number) in place of the SSN outside of the
To obtain your Social security number, you will need to do the following:
Be sure to keep your original Social Security card in a safe place. Do not carry it with you in your wallet or purse. Be careful who you give this number to avoid falling victim to identity theft. This number and the resulting record are yours for your lifetime.