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Dead letter office, probably in Washington, D.C.; September 1922. A dead letter office (DLO) is a facility within a postal system where undeliverable mail is processed. [4] Mail is considered to be undeliverable when the address is invalid so it cannot be delivered to the addressee, and there is no return address so it cannot be returned to the ...
A dead drop or dead letter box is a method of espionage tradecraft used to pass items or information between two individuals (e.g., a case officer and an agent, or two agents) via a secret location. By avoiding direct meetings, individuals can maintain operational security .
USPS "Slim Jim" recycling bin for unwanted mail. The program uses 23-US-gallon (87 L)-capacity plastic bins, which USPS refers to as "Slim Jims". [8] The bins have lockable lids and have a narrow insertion slot to maintain customer privacy and limit the potential of discarded mail being stolen for the harvesting of personal information. [3] [4]
A sectional center facility (SCF) is a processing and distribution center (P&DC) of the United States Postal Service (USPS) that serves a designated geographical area defined by one or more three-digit ZIP Code prefixes.
Pages for logged out editors learn more. Contributions; Talk; Dead letter office
During the 1950s in the United States, more and more mail was not arriving at intended recipients, and as a result of the lack of a return address, said mail ended up in the dead letter office. With this rise in dead mail, the post office pleaded for people to use a return address.
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(For example, a letter may be marked "snowbank" if snow accumulation not cleared by the potential recipient, or for whatever other reason, makes it difficult or impossible for the carrier to deliver the mail.) Dead letter offices would use various markings to keep track of their progress in finding the addressee, such as a notation that the ...