user: If I needed to change my address and phone number where do i begin?[NEWLINE]agent: So you want to change your address correct?[NEWLINE]user: yes[NEWLINE]agent:  If you get Social Security benefits retirement, survivors, or disability, [6] you can update your contact information in a safe, quick, and convenient way by following these five steps[NEWLINE][BOUNDARY][NEWLINE]user: What if I still have questions?[NEWLINE]agent: If you have questions or need help understanding how to change your address and telephone number online[NEWLINE]user: thank you[NEWLINE]agent: Sign in to your mySocial Security account and update your information[NEWLINE][BOUNDARY][NEWLINE]user: What number can I call, on a slightly related note. I have a few more concerns.[NEWLINE]agent: you can also call  our toll - free number at 1 - 800 - 772 - 1213 or visit your Social Security office.[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: Where do I go after I log in?