SSA's locator assigns 99 ZIP codes in Mount Lebanon township to 9 offices: 24 to the Pitts Dt Social Security Office, 18 to the Mckeesport Social Security Office, 15 to the Mount Lebanon Social Security Office, 14 to the Washington Social Security Office, 13 to the Pitts East Liberty Social Security Office, 7 to the Monroeville Social Security Office, 4 to the Rostraver Social Security Office, 3 to the Ambridge Social Security Office and 1 to the Natrona Heights Social Security Office. For 16 of them, the assigned office isn't the closest one, so check your ZIP before you go.
ZIP codes 15071, 15082, 15101, 15116, 15136, 15202, 15203, 15204, 15205, 15209, 15210, 15211, 15212, 15214, 15219, 15220, 15222, 15225, 15229, 15233, 15237, 15275, 15282 and 15290 go to the Pitts Dt Social Security Office, 700 Grant St, Rm 1204, Pittsburgh.
ZIP codes 15018, 15020, 15025, 15028, 15034, 15035, 15037, 15045, 15047, 15088, 15110, 15120, 15122, 15131, 15132, 15133, 15135 and 15137 go to the Mckeesport Social Security Office, 540 5th Ave, McKeesport.
ZIP codes 15017, 15031, 15064, 15102, 15106, 15129, 15142, 15216, 15226, 15227, 15228, 15234, 15236, 15241 and 15243 go to the Mount Lebanon Social Security Office, 650 Washington Road, Suite 120, Pittsburgh.
ZIP codes 15019, 15055, 15057, 15060, 15317, 15321, 15330, 15342, 15347, 15350, 15361, 15363, 15367 and 15378 go to the Washington Social Security Office, 95 W Beau St, Suite 515, Washington.
ZIP codes 15201, 15206, 15207, 15208, 15213, 15215, 15217, 15221, 15223, 15224, 15232, 15238 and 15260 go to the Pitts East Liberty Social Security Office, 6117 Station St, Pittsburgh.
ZIP codes 15104, 15112, 15140, 15145, 15148, 15218 and 15235 go to the Monroeville Social Security Office, 300 Oxford Dr, Suite 100, Monroeville.
ZIP codes 15038, 15063, 15067 and 15332 go to the Rostraver Social Security Office, 800 Plaza Dr, Suite 320, Rostraver Twp.
ZIP codes 15108, 15126 and 15143 go to the Ambridge Social Security Office, 350 Logan Ln, Baden.
ZIP code 15147 goes to the Natrona Heights Social Security Office, 1721 Union Ave, Natrona Heights.
Assigned offices from SSA's Office Locator, looked up by ZIP code on October 1, 2026. ZIP codes are those whose area overlaps Mount Lebanon township (U.S. Census Bureau, 2020 ZIP Code Tabulation Areas). Distance is straight-line, from the center of the ZIP code to the office.