Dead letter office

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Dead letter office, probably in Washington, D.C.; September 1922

The United States Postal Service started a dead letter office in 1825 to deal with undeliverable mail. In 2006 approximately 90 million undeliverable-as-addressed (UAA) items ended up in this office; where the rightful owners cannot be identified, the correspondence is destroyed to protect customer privacy, and enclosed items of value are removed.[1] Items of value that cannot be returned are sold at auction, except for pornography and firearms. The auctions also occasionally include items seized by postal inspectors and property being retired from postal service.[citation needed]

These facilities are now known as mail recovery centers (MRC). Other former names include dead letter branch and dead parcel branch. These facilities are not unique to the US Postal Service, and go by different names in other countries. The USPS mail recovery centers are located in Atlanta, Georgia and Saint Paul, Minnesota.[1] An MRC in San Francisco, California was closed on September 13, 2002.[2] Since April 2013, the postal auctions have been held online and include not only material lost in the U.S. but also material from other national postal authorities who consign them to the USPS for auction.[3]

The Canadian equivalent, the Undeliverable Mail Office (NUMO)[4] is located in Mississauga, Ontario.[5]

In the UK, undeliverable mail without an external address is processed in the National Returns Centre, located in Belfast.[6][7]

In culture[edit]

Dead letter office at Washington, D.C.; an 1868 wood engraving


  1. ^ a b "2006 Comprehensive Statement". USPS. 2006. Retrieved 2009-03-25. 
  2. ^ DMNEWS USPS Closes MRC Center in San Francisco (retrieved 10 May 2007)
  3. ^ Malloy, Daniel (7 March 2013). "Post Office moving Atlanta unclaimed mail auction online". Atlanta Journal-Constitution. Retrieved 2013-12-30. 
  4. ^ "Letter Services for Personal Mail: Undeliverable Mail and Returns". Canada Post. 2011. Retrieved 2011-05-26. ,
  5. ^ "Ever lose anything in the mail? Here's where it all ends up." Toronto Star. 2001. Retrieved 2012-08-28.
  6. ^ "Royal Mail Customer Service: What happens to the 25,000 letters a week that are incorrectly addressed?". Royal Mail. 2011. Retrieved 2011-05-26. 
  7. ^ "Royal Mail - Keeping undelivered mail safe". Royal Mail. Retrieved 2011-05-26. 

External links[edit]