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