SSA splits Branchburg township's 50 ZIP codes among 6 offices: 15 to the Bridgewater Social Security Office, 10 to the New Brunswick Social Security Office, 9 to the Easton Social Security Office, 9 to the Parsippany Social Security Office, 6 to the Trenton Social Security Office and 1 to the Union Township Social Security Office. For 21 of them, the assigned office isn't the closest one, so check your ZIP before you go.
ZIP codes 07059, 07979, 08502, 08805, 08807, 08812, 08821, 08835, 08836, 08844, 08853, 08869, 08876, 08880 and 08890 go to the Bridgewater Social Security Office, 245 US Hwy 22 West, Suite 207, Bridgewater.
ZIP codes 08528, 08553, 08558, 08823, 08824, 08846, 08852, 08854, 08873 and 08902 go to the New Brunswick Social Security Office, 550 Jersey Avenue, Suite 200, New Brunswick.
ZIP codes 07830, 08801, 08809, 08826, 08829, 08833, 08858, 08867 and 08889 go to the Easton Social Security Office, 134 S Fourth St, Easton.
ZIP codes 07920, 07921, 07924, 07931, 07934, 07939, 07946, 07977 and 07980 go to the Parsippany Social Security Office, 2200 State Route 10 West, Suite 200, Parsippany.
ZIP codes 08525, 08540, 08542, 08551, 08822 and 08887 go to the Trenton Social Security Office, 635 S Clinton Ave, 2nd Floor, Trenton.
ZIP code 07063 goes to the Union Township Social Security Office, 855 Lehigh Ave, Union.
Assigned offices from SSA's Office Locator, looked up by ZIP code on October 1, 2026. ZIP codes are those whose area overlaps Branchburg township (U.S. Census Bureau, 2020 ZIP Code Tabulation Areas). Distance is straight-line, from the center of the ZIP code to the office.