United States Postal Service

A mail drop box in Metropolis, in which Metropolitans can drop their mail into and be picked up and delivered by agents from the United States Postal Service[1]

The United States Postal Service is an independent government agency, which is under the control of delivering mail to the people of the United States. They work in cooperation with postal services all over the world, in case it is necessary to mail a letter or other types of mail to other countries.



  1. As seen in The Tree Man of Arbora.

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