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Postal Encyclopedia

UAA

Undeliverable As Addressed

Addressing & ListsUpdated 2026-07-24

Mail USPS cannot deliver as addressed because of issues such as moves, incomplete addresses, vacancies, or no mail receptacle.

Definition reviewed 2026-07-24. This is a plain-English Plavidian reference; for USPS terms, the Domestic Mail Manual is the authority. For your own job, the final mail class, postage, and preparation are confirmed after list processing and production review.

Related terms in Addressing & Lists

Need this applied to a real job?

Ask Plavidian Expert for an answer based on the USPS Domestic Mail Manual, or send us the job and we'll confirm the preparation before you print.

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