SSA splits Washington's 57 ZIP codes among 3 offices: 45 to the DC Downtown Social Security Office, 8 to the Postal Plaza Social Security Office and 4 to the Anacostia Social Security Office. For 4 of them, the assigned office isn't the closest one, so check your ZIP before you go.
ZIP codes 20001, 20003, 20004, 20005, 20006, 20007, 20008, 20009, 20012, 20015, 20016, 20024, 20036, 20037, 20045, 20052, 20057, 20059, 20204, 20220, 20230, 20240, 20245, 20250, 20260, 20319, 20373, 20390, 20408, 20415, 20418, 20427, 20431, 20510, 20515, 20520, 20530, 20535, 20540, 20542, 20551, 20560, 20565, 20566 and 20591 go to the DC Downtown Social Security Office, 1300 D St SW, Washington.
ZIP codes 20002, 20010, 20011, 20017, 20018, 20064, 20317 and 20422 go to the Postal Plaza Social Security Office, 1905-B 9th St NE, Washington.
ZIP codes 20019, 20020, 20032 and 20388 go to the Anacostia Social Security Office, 2041 Mlk Jr Ave SE, Suite 130, Washington.
Assigned offices from SSA's Office Locator, looked up by ZIP code on October 1, 2026. ZIP codes are those whose area overlaps Washington (U.S. Census Bureau, 2020 ZIP Code Tabulation Areas). Distance is straight-line, from the center of the ZIP code to the office.