user: Hey, I have some questions.[NEWLINE]agent: Of course. Do you need help understanding how to change your address and telephone number online then?[NEWLINE]user: Actually, yeah. Can you read my mind or what?[NEWLINE]agent: In that case, please call our toll-free number at 1-800-772-1213 or visit your Social Security office and they will walk you through this.[NEWLINE]user: Another query about deaf or hard of hearing? I have a hard time listening.[NEWLINE]agent: If you are deaf or hard of hearing, [23] call our toll - free TTY number, 1 - 800 - 325 - 0778, between7 a.m. and 7 p.m. Monday through Friday[NEWLINE][BOUNDARY][NEWLINE]user: do I need to sign into my account toi get a copy?[NEWLINE]agent: yes, correct.[NEWLINE][BOUNDARY][NEWLINE]user:  What is a Social Security Benefit Verification Letter?[NEWLINE]agent:  The benefit verification letter, sometimes called a benefits letter, or a Social Security award letter, serves as proof of your retirement, disability, Supplemental Security Income SSI, or Medicare benefits[NEWLINE][BOUNDARY][NEWLINE]user: how do i get an income verification letter?