SSA splits Pequea township's 41 ZIP codes among 2 offices: 35 to the Lancaster Social Security Office and 6 to the York Social Security Office. For 2 of them, the assigned office isn't the closest one, so check your ZIP before you go.
ZIP codes 17501, 17504, 17505, 17508, 17509, 17512, 17516, 17518, 17520, 17529, 17532, 17534, 17535, 17536, 17538, 17540, 17543, 17551, 17552, 17554, 17557, 17560, 17562, 17565, 17566, 17568, 17572, 17576, 17579, 17582, 17584, 17601, 17602, 17603 and 17606 go to the Lancaster Social Security Office, 1808 Colonial Village Ln, Suite 101, Lancaster.
ZIP codes 17302, 17309, 17317, 17322, 17366 and 17368 go to the York Social Security Office, 2670 Industrial Hwy, Suite 2, York.
Assigned offices from SSA's Office Locator, looked up by ZIP code on October 1, 2026. ZIP codes are those whose area overlaps Pequea township (U.S. Census Bureau, 2020 ZIP Code Tabulation Areas). Distance is straight-line, from the center of the ZIP code to the office.