Mail org.
The crossword clue "Mail org." is answered by USPS, a 4-letter entry. Used 13 times across 10 distinct years; most recently in 2025; first recorded in 1998. It appears in 6 publications in the xd corpus. Every figure on this page comes from the collection data itself, never from a guess.
The answer
USPS
4 letters. See every clue for this answer on the USPS answer page.
Used 13 times across 10 distinct years; most recently in 2025; first recorded in 1998. It appears in 6 publications in the xd corpus. Frequency and last-seen figures come from the xd crossword corpus only.
Other clues for USPS
Every other clue in this collection answered by USPS, most used first.
- Priority Mail org. - used 17 times, most recently in 2025
- Snail-mail org. - used 16 times, most recently in 2026
- Mail letters - used 15 times, most recently in 2023
- FedEx rival - used 11 times, most recently in 2021
- Delivery org. - used 10 times, most recently in 2025
- FedEx alternative - used 7 times, most recently in 2026
- Letter carriers' org. - used 7 times, most recently in 2026
- Mail delivery org. - used 7 times, most recently in 2026
- Stamp-selling org. - used 6 times, most recently in 2020
Related clues
Clues in this collection of the same answer length that share a word with this clue, or match its answer pattern when no word is shared. Most used first.
- Org. - ASSN, used 347 times
- March Madness org. - NCAA, used 281 times
- Rights org. - ACLU, used 214 times
- Final Four org. - NCAA, used 143 times
- Campus military org. - ROTC, used 100 times
- Anti-fur org. - PETA, used 87 times
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