Answer: poboxes

AnswerCrossword Clue
POBOXES

Rented US mail receptacles

POBOXES

Some mail destinations, briefly

POBOXES

Pickup locales

POBOXES
Parts of many bus. addresses
POBOXES
Parts of some addresses
POBOXESFedEx doesn't deliver to them
POBOXESLetter holders
POBOXESCo. addresses, often
POBOXESU.S. mail holders
POBOXESSome return addresses
POBOXESSome mailing addresses
POBOXESSome letter holders
POBOXESRented mail receptacles
POBOXESSome addresses, briefly
POBOXESShipping containers on Italy's longest river?