Blue collection boxes

USPS
140,875

collection boxes

Today there are 140,875 blue boxes in use across the nation.

* | Tags: Fun facts USPS Fact #536 | March 4, 2021

About those iconic blue boxes…

They weren’t always blue. Before 1970, they were green, then red, then white, then green again, and finally — beginning in 1955 — red, white and blue.