Dunder Mifflin Binghamton is a branch of Dunder Mifflin in Binghamton, New York. It is closed down while Robert California is drunk in the episode "Turf War". Andy Bernard describes it as "a fine branch." Due to being drunk, Robert never figures out how to divide up the clients, leaving the Scranton branch and the Syracuse branch to fight over the clients.

It is unknown if it was reopened when David Wallace bought the company.

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