Post office box
Synonyms for Post office box
- letter box
- call box
- po box
- mailbox
- letterbox
- poste restante
- post-office box
- accommodation address
- general delivery
- postbox
- mail drop
- letter drop
- mail box
- post box
- pillar box
- in-box
- box
- mail slot
- maildrop
For more similar words, try Post office box on Thesaurus.plus dictionary