SSA splits Billerica's 70 ZIP codes among 6 offices: 21 to the Cambridge Social Security Office, 17 to the Lowell Social Security Office, 12 to the Waltham Social Security Office, 8 to the Malden Social Security Office, 7 to the Lawrence Social Security Office and 5 to the Lynn Social Security Office. For 15 of them, the assigned office isn't the closest one, so check your ZIP before you go.
ZIP codes 01730, 01731, 01801, 01803, 01890, 02138, 02140, 02143, 02144, 02145, 02163, 02420, 02421, 02458, 02460, 02465, 02466, 02472, 02474, 02476 and 02478 go to the Cambridge Social Security Office, 10 Fawcett St, First Flr, Cambridge.
ZIP codes 01460, 01741, 01821, 01824, 01826, 01827, 01850, 01851, 01852, 01854, 01862, 01863, 01876, 01879, 01886, 01887 and 03076 go to the Lowell Social Security Office, 151 Warren Street, STE 300, Lowell.
ZIP codes 01718, 01719, 01720, 01742, 01754, 01773, 01776, 01778, 02451, 02452, 02453 and 02493 go to the Waltham Social Security Office, 135 Beaver Street, Suite 120, Waltham.
ZIP codes 01864, 01867, 01880, 02148, 02149, 02155, 02176 and 02180 go to the Malden Social Security Office, 192 Commercial St, Malden.
ZIP codes 01810, 01840, 01841, 01843, 01844, 01845 and 01921 go to the Lawrence Social Security Office, 439 S Union St, Suite 106a, Lawrence.
ZIP codes 01906, 01937, 01940, 01949 and 01960 go to the Lynn Social Security Office, 140 Union Street, Lynn.
Assigned offices from SSA's Office Locator, looked up by ZIP code on October 1, 2026. ZIP codes are those whose area overlaps Billerica (U.S. Census Bureau, 2020 ZIP Code Tabulation Areas). Distance is straight-line, from the center of the ZIP code to the office.