Massachusetts State Supplement Program

Information and resources pertaining to the Massachusetts State Supplement Program, a state cash benefit program for qualified Massachusetts SSI applicants.

Supplemental Security Income (SSI) is a federal program of the Social Security Administration (SSA) that provides monthly payments to certain eligible, low-income individuals who are age 65 or older, blind or disabled. Massachusetts adds more money to SSI payments for Massachusetts residents, and certain individuals found over-income for SSI may still be eligible for a partial benefit from the state. This is called the Massachusetts State Supplement Program, or SSP. Massachusetts sends state supplemental payments to SSP clients directly on the first of the month; the federal government sends SSI payments separately. The Massachusetts agencies responsible for administering the SSP are the Department of Transitional Assistance (DTA) and the Massachusetts Commission for the Blind (MCB). Individuals who wish to receive SSP payments must first apply for federal SSI payments through SSA. To find out more about applying for SSI or to inquire about SSI eligibility, contact SSA at 1-800-772-1213 (or TTY 1-800-325-0778 for the deaf and hard of hearing), or visit To contact the SSP by phone, call 1-877-863-1128.
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