A few words from the Social Security Administration- Beneficiary Codes The Social Security Administration (SSA) reports that following situation has occurred many times over the years: a client (or an organization) contacts SSA about a letter from SSA which contains a Social Security Number (SSN) followed by the letters ‚ÄúA‚Äù, ‚ÄúB‚Äù, ‚ÄúE‚Äù or other letters, […]