OPER
Set to 21 different clues across 31 published puzzles, most often “Phone abbr.” — The New York Times, Sunday, 28 March 2010.
4 letters
Every clue on record, most used first
- Phone abbr.4 times
The New York Times — Sunday, 28 March 2010
- Phone button4 times
The New York Times — Sunday, 24 June 2007
- It's to the left of #2 times
The New York Times — Thursday, 4 December 2008
- 0 on a phone: Abbr.2 times
The New York Times — Monday, 27 September 2004
- Abbr. on some dials2 times
The New York Times — Saturday, 4 October 2003
- Letters above 02 times
The New York Times — Wednesday, 27 June 2001
- Button between * and #once
The New York Times — Tuesday, 8 June 2010
- Button below TUVonce
The New York Times — Wednesday, 22 October 2008
- Button next to a *once
The New York Times — Sunday, 22 June 2008
- Phone co. employeeonce
The New York Times — Sunday, 25 May 2008
- Abbr. to the right of a staronce
The New York Times — Friday, 27 April 2007
- Key next to *once
The New York Times — Wednesday, 3 November 2004