SSA splits Johnston's 57 ZIP codes among 6 offices: 25 to the Providence Social Security Office, 14 to the Woonsocket Social Security Office, 7 to the Warwick Social Security Office, 5 to the Attleboro Social Security Office, 5 to the Pawtucket Social Security Office and 1 to the Willimantic Social Security Office. For 8 of them, the assigned office isn't the closest one, so check your ZIP before you go.
ZIP codes 02806, 02815, 02823, 02825, 02828, 02831, 02857, 02903, 02904, 02905, 02906, 02907, 02908, 02909, 02910, 02911, 02912, 02914, 02915, 02916, 02917, 02918, 02919, 02920 and 02921 go to the Providence Social Security Office, One Empire Plaza, 6th Floor, Providence.
ZIP codes 01504, 01529, 02802, 02814, 02824, 02826, 02829, 02830, 02838, 02839, 02858, 02876, 02895 and 02896 go to the Woonsocket Social Security Office, 2168 Diamond Hill Road, Pavilion Plaza, Woonsocket.
ZIP codes 02816, 02818, 02827, 02886, 02888, 02889 and 02893 go to the Warwick Social Security Office, 30 Quaker Lane, First Floor, Warwick.
ZIP codes 02703, 02760, 02763, 02769 and 02771 go to the Attleboro Social Security Office, 106 Pleasant St, Attleboro.
ZIP codes 02860, 02861, 02863, 02864 and 02865 go to the Pawtucket Social Security Office, 4 Pleasant St, Pawtucket.
ZIP code 06243 goes to the Willimantic Social Security Office, 1320 Main St, STE 19, Willimantic.
Assigned offices from SSA's Office Locator, looked up by ZIP code on October 1, 2026. ZIP codes are those whose area overlaps Johnston (U.S. Census Bureau, 2020 ZIP Code Tabulation Areas). Distance is straight-line, from the center of the ZIP code to the office.