Phrase guide

box number

noun · 3 senses · updated from the 2026-07-25 local source snapshot

Definitions and examples are grouped by meaning. Pronunciation, history, word forms, translations, descendants, synonyms, antonyms, derived terms, and related words appear whenever the source provides them.

Sound

Pronunciation

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No pronunciation record was provided for this word.

1

noun

Meaning 1

A numerical address for postal correspondence, managed by a company or organisation on behalf of the addressee, and used e.g. for convenience, if one does not have a suitable physical address for receiving mail, or to avoid giving one's real address (e.g. in a newspaper advertisement).

Definition source: English Wiktionary via Wiktextract

Examples

  • They didn't give me a proper address, only a box number.
  • Would anyone with knowledge of the present whereabouts of Mrs Doris Miggins, formerly of Station Road, please contact Box No. 99, Puddletown Evening Gazette.

Meaning relationships

Synonyms: none provided

Antonyms: none provided

2

noun

Meaning 2

a mailing address to which answers to a newspaper ad can be sent

Definition source: Princeton WordNet 3.0

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: none provided

Antonyms: none provided

Broader terms: mailing address

3

noun

Meaning 3

the number of a letter box at the post office where mail is collected

Definition source: Princeton WordNet 3.0

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: post-office box number, PO box number, PO Box No

Antonyms: none provided

Broader terms: mailing address

History

Etymology

Literally, the number of a box into which mail for a particular recipient is placed.