The clue "Mail-routing abbr." last appeared in the Washington Post crossword on May 5, 2024. The correct answer for this puzzle is "ATTN", a 4-letter word.
Solution ATTN is 4 letters long. So far we haven´t got a solution of the same word length.
There is 1 solutions. The longest is ATTN with 4 letters, and the shortest is ATTN with 4 letters.
No, "MAIL-ROUTING ABBR." hasn´t seen a spike right now. Solvers are most interested in: Crew, Network, Levy, nascency and Insignificant.
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The solution is 4 letters long.