Withholding of Mail Orders Withholding of Mail Orders are enforced by postmasters at the cities listed below.   State, City ZIP Code Names and Addresses Covered DC, Washington 20020-2342 Any and all various names except the surname Gravely, 3842 Carpenter Street SE VA, Manassas 20110-7994 Any and all various names except the surnames Oh and Choe, 10399 Navarone Place — Judicial Officer, 10-22-09