- PO box number as a noun:
- 1
PO box number
noun
1 PO box number
The number of a letter box at the post office where mail is collected.
synonyms: box number, PO Box No, post-office box number.
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noun
The number of a letter box at the post office where mail is collected.
synonyms: box number, PO Box No, post-office box number.
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