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Postal Encyclopedia

UAA

Updated 2026-07-24

Undeliverable As Addressed

Addressing & Lists

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

Definition reviewed 2026-07-24. Plavidian reference, written from the USPS Domestic Mail Manual. Final mail classification, postage, and preparation are confirmed after list processing and production review.

Related terms in Addressing & Lists

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