USPS blue box

noun

Synonym of mailbox; a designated box for outgoing mail found at post offices and on street corners.

“See also: blue box”

Similar
mailbox
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Meanings

nounUSPS blue box (plural USPS blue boxes)

plural USPS blue boxes

  1. USSynonym of mailbox; a designated box for outgoing mail found at post offices and on street corners.

    See also: blue box

    Synonyms: mailbox

Synonyms & antonyms

nounSynonym of mailbox; a designated box for outgoing mail found at post offices and on street corners.

Similar
mailbox
Also see
mailbox

Origin

From USPS + blue box.

Full word history & related roots →
Cite this entry
APA

USPS blue box. (n.d.). In WatkinsX Dictionary. Retrieved November 4, 2026, from https://dictionary.watkinsx.com/word/USPS%20blue%20box

MLA

“USPS blue box.” WatkinsX Dictionary, https://dictionary.watkinsx.com/word/USPS%20blue%20box. Accessed November 4, 2026.

Chicago

WatkinsX Dictionary, s.v. “USPS blue box,” accessed November 4, 2026, https://dictionary.watkinsx.com/word/USPS%20blue%20box.

Source: USPS blue box on Wiktionary, CC BY-SA 4.0.