noun
- The number of a letter box at the post office where mail is collected.
- synonyms: PO box number, PO Box No, box number
WordNet 3.0 © 2006 by Princeton University
| APA | WordNet. (2010). post-office box number. Retrieved September 21, 2026, from http://smartdefine.org/post-office_box_number/definitions/1224025 |
| Chicago | WordNet. 2010. "post-office box number" http://smartdefine.org/post-office_box_number/definitions/1224025 (accessed September 21, 2026). |
| Harvard | WordNet 2010, post-office box number, Smart Define, viewed 21 September, 2026, <http://smartdefine.org/post-office_box_number/definitions/1224025>. |
| MLA | WordNet. "post-office box number" 23 October 2010. Web. 21 September 2026. <http://smartdefine.org/post-office_box_number/definitions/1224025> |