Noun:

ਯੂਐਸ ਪੋਸਟ ਆਫਿਸ,

us post office's Usage Examples:

Hyson Campus Center houses the Dining Commons, the Student Life offices, the campus post office, and several classrooms.

Santa Claus Town, emblazoned with a Santa Claus Seal of Approval and postmarked at the town’s famous post office.

Synonyms:

ticket booth, ticket office, countinghouse, shipping office, office block, main office, central office, home base, loan office, business establishment, newsroom, home office, life office, box office, office building, government office, business office, headquarters, place of business,

Antonyms:

unfasten, undock, deglycerolize, disarrange, dominant,