Search Result for "post-office box number":
Wordnet 3.0

NOUN (1)

1. the number of a letter box at the post office where mail is collected;
[syn: post-office box number, PO box number, PO Box No, box number]



WordNet (r) 3.0 (2006):

post-office box number
    n 1: the number of a letter box at the post office where mail is
         collected [syn: post-office box number, PO box number,
         PO Box No, box number]