President Johnson Asked Increased PO Window Service President Johnson has directed Postmaster General Lawrence F. O'Brien to take steps to increase window service where needed in some 15,000 post offices, and to resume six-day-a-week parcel post deliver in 6,091 cities. "A good, stable, dependable, postal system is vital to the well being of the nation's economy," President Johnson said. ... Post Office window hours and parcel post delivery services were cut back by the Post Office Department as an economy measure in May, 1964. (January 28, 1966, The Celeste Courier)