The first was to his boss, John Westfal, at 5:47 a.m., second to his wife at 6:01, and the last call, just two minutes before his murder, was made to an unlisted number.
a. Not listed; specif.(a) (New York Stock Exchange), admitted to quotation in the unlisted department, that is, admitted to be dealt in on the floor, but not to the “regular list.” (b) not listed in the telephone directory; -- of telephone numbers; as, an unlisted number. [ Webster 1913 Suppl. +PJC ]