1) Abbreviation above zero 2) Abbreviation on a phone 3) Abbreviation on some dials 4) Abbreviation paired with zero 5) Abbreviation under a zero 6) AT and T employee 7) AT&T worker 8) Bayreuth staging 9) Below-zero writing 10) Button below the 8 11) Button below TUV 12) Button between * and # 13) Button next to a