A History of Short Words

From the New York Times Crossword Puzzle

OPER

Thu, 5 Mar '26
Person reached by dialing 0: Abbr.
Sun, 21 Dec '25
Abbr. not found on most smartphones
Sun, 24 Nov '24
Touch-tone phone abbr.
Tue, 6 Jun '23
Abbr. above "0" on some phones
Wed, 25 Jan '23
Abbr. above "0"
Fri, 14 Jan '22
Abbr. near zero
Mon, 22 Feb '21
Abbr. below "0" on a phone